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Taylor, J. A. "Potential stability and subsidence issues arising from abandoned bord-and-pillar coal workings." Thesis, University of Leeds, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275437.
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Chong, Ting-Fung. "Mineralogy and petrology of a drill core section from Borg, SW Norrköping – fracture fillings and tentative mineral reactions." Thesis, Stockholms universitet, Institutionen för geologiska vetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-173221.
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During drilling at Borg, ca. 5 km southwest of central Norrköping, an unidentified fine-grained grey rock was encountered in contact with dark red granitic gneiss at 35m depth. The fine-grained grey rock occurs above the red granitic gneiss. Our understanding prior to testing is that the rock may have been formed by fluid alteration of a mafic rock, as neither metamorphic nor sedimentary textures were observed. Understanding this rock and the formation processes related to it, is of interest for the general understanding of the region and of geotechnical importance since fracture fillings may affect the stability of the rock during and after construction projects. This study uses the methods petrography, XRD and XRF to define the fine-grained mafic rock, black vein in the fine-grained mafic rock, the contact zone and the granitic gneiss. Results show that the fine-grained grey rock has a composition of muscovite (36.1%), quartz (24.6%), albite (20.8%), sericite (10.8) and montmorillonite (0.5%). The contact is mainly made of quartz veins and calcite veins. The protolith of the fine-grained mafic rock is suggested to be iron-rich. Further testing on additional unaltered mafic rock samples from the area would provide a more accurate picture of the protolith evolution.
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Girault-Fruet, Arlette. "Mers Intérieures : Chateaubriand, la mer, et les Mémoires d’outre-tombe." Thesis, Université Clermont Auvergne (2017-2020), 2018. http://www.theses.fr/2018CLFAL013.
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La mer a d’abord été un espace géographique bien réel dans la vie de Chateaubriand, l’immense champ libre accordé à son enfance. En ouvrant le monde grand large devant son regard, la mer autorisait une manière singulière d’en prendre possession. L’auteur des Mémoires d’outre-tombe se revendique navigateur, découvreur, voyageur. Il utilise spontanément le vocabulaire des matelots. Pourtant, il n’a vécu au bord de la mer que sept années pendant l’enfance, n’a effectué ensuite que des escales brèves, sous des cieux étrangers. Il se réfère malgré tout à la mer à chaque instant, la réinstalle sans cesse dans un texte avec lequel d’innombrables correspondances finissent par s’établir. L’écriture elle-même épouse le rythme de la mer, ses harmonies variables. On croit toujours entendre au loin comme le roulement des vagues, comme le bruit du ressac. Tout se passe comme si la sensibilité et l’imagination de l’écrivain, demeurées marquées par une sorte de paysage originel, lisaient le monde à travers un filtre, et lui conféraient instinctivement les teintes, les arrière-plans propres aux rivages quittés. Chateaubriand se demandait avec anxiété si les Mémoires resteraient lisibles à la postérité. Mais l’écriture et la mer renvoient à une même conception de l’éternité : elles écrivent en lettres temporaires des chants qui durent toujours<br>The sea was first a real geographical space in Chateaubriand’s life, the boundless playing field of his childhood. By unfurling the world at large under his gaze, the sea provided him with a singular mode of appropriating it. The author of the Mémoires d’outre-tombe claimed for himself the status of seaman, discoverer, and traveller. The maritime lexicon comes to him spontaneously. While he only spent seven years of his childhood by the sea, then subsequently stopped but briefly in foreign port of calls, he keeps on referring time and again to the sea, and incessantly reinstates it in his texts, thus elaborating a rich netwwork of echoes. His very style evokes the rhythm of the sea and its ever-changing harmonics. The reader always seems to hear resounding waves and backwash in the distance. It is as if the writer’s sensibility and imagination, bearing the stamp of a foundational landscape, had him perceive the world through the shades and against the backdrops peculiar to the shores he left. Chateaubriand anxiously wondered whether the Mémoires would remain readable to his posterity. But writing and the sea conjure up the same idea of eternity : they write in labile script everlasting songs
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Pönkänen, T. (Timo). "Early phases of born global internationalization from network perspective." Bachelor's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201606082467.
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The research focuses on the fields of Born Globals and networks. The aim of the research is to explore the phenomena, unify preceding research on the topic and set ground for future, more in-depth research. This is achieved by finding out how Born Global companies benefit from networks in their early stages. The study is qualitative and conducted as a literature review on academic journals on the field of International Business.
The findings of the study are that the nature of the Born Global companies’ environment poses constraints to the internationalization of the firms, and networks can help overcoming them.
The conclusions of the study are that Born Globals face the following key constraints in their early stages: (1) Lack of financial and knowledge resources, (2) Lack of economies of scale and (3) Aversion to risk-taking; and that networks help Born Global companies to overcome them by providing access to both financial and knowledge resources, thus enabling them to spend less time on risky development phases. Networks also help by providing Born Global companies legitimacy in the eyes of foreign actors, thus making them attractive as partners.
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Penna, Viktor. "Foreign-born Peers And Educational Outcome : Evidence From Sweden." Thesis, Uppsala universitet, Nationalekonomiska institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-449505.
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Using data on 9th grade students in Sweden for the time period of 2015-2019, this paper estimates a fixed effects model to find out whether the share migrant students has any impact on the grade of foreign-born and native Swedish students. We find that increasing the share of migrant students by one percentage point has a small negative effect on foreign-born students, but find no conclusive evidence from the same effect on Swedish students. Furthermore, we find the effect to be the largest when the share of migrants in a municipality is high, suggesting that redistribution of migrants across municipalities would decrease the negative effect of an increase in migrant students.
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Cope, Andrew Laurence. "From the dawn of the Sabbath ... metal was born." Thesis, University of Salford, 2007. http://usir.salford.ac.uk/26626/.
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The early 1990s saw the publication of important academic works on the subject of heavy metal music. These works were seminal in that they were the first to recognise and interrogate, in any substantial way, a topic that had been, until then, valued only as a cultural/sociological subject. Those ground-breaking works included Robert Walser's 1993 publication Running with The Devil: Power, Gender and Madness in Heavy Metal and Deena Weinstein's Heavy Metal: The Music and its Culture first published in 1991. Both works however, present heavy metal in broad terms, creating a wide paradigm that includes bands with widely differing musical syntax and aesthetic concerns (e.g. Cradle of Filth to Bon Jovi). These generalisations, being based on the perceived commonality of such concepts as power-chords and gendering, form something of a paradox that has been unquestioningly embraced by subsequent authors and so sustaining that opinion. I have challenged these generalisations and asserted that hard rock and heavy metal are distinctly different generic forms in both musical syntax and aesthetic. Moreover, I have argued that both Black Sabbath and Led Zeppelin were pivotal in the formation of heavy metal and hard rock respectively and that the first six albums of both bands were particularly significant to the generic evolution of both forms of music. Heavy metal has evolved and become an established form of music over the last three and a half decades but vitally retains the central coding established in Black Sabbath's early work, not least the consistent utilisation of key intervals such as the tritone and flat 2nd, modal riffs, down-tuned guitars, aggressive performance techniques, episodic structuring and anti-patriarchal themes. By contrast, Led Zeppelin made significant contributions to the evolution of hard rock through a re-working of blues-based themes and syntax and the development of an eclectic repertoire. This work deconstructs that evolutionary process, highlighting the distinct nature of both forms.
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Nyström, Elsa. "Suitability of industrial residues for preventing acid rock drainage generation from waste rock." Licentiate thesis, Luleå tekniska universitet, Geovetenskap och miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-68490.
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One of the main and most challenging environmental problems related to mining is the generation of acid rock drainage (ARD), a leachate characterized by low pH and elevated concentrations of sulfate, metals, and metalloids formed when sulfide-bearing minerals are subjected to oxygen and water. During the operation of a mine, waste rock is often deposited in heaps and usually left under ambient conditions, enabling sulfides to oxidize. Generated ARD is commonly treated actively with alkaline material in an attempt to raise the pH and precipitate metals, with subsequent formation of sludge, which requires additional treatment. To focus on the treatment of waste rock rather than the ARD could prevent the generation of ARD; reduce the lime consumption, costs, and sludge treatment. This thesis aims to identify and evaluate the potential of different industrial residues to maintain circumneutral pH in a sulfide oxidation environment, allowing secondary minerals to form on the reactive sulfide surface to prevent sulfide oxidation and generation of ARD. Five different industrial residues (blast furnace slag, granulated blast furnace slag, cement kiln dust, bark ash, and lime kiln dust) were selected in a feasibility study performed prior to this study. The selection was based primarily on their alkaline properties, availability, and early yield. The waste rock was selected due to its high content of sulfides (>50%) and potential to generate ARD. Initial characterization of the industrial residues included combining mineralogical and chemical composition with batch testing (L/S 10). Sulfide oxidation in the leaching of the waste rock accelerated after week 29 resulting in high concentrations of major elements such as Al, Fe and S but also extremely high concentrations of e.g. As, Cu, Mn, Pb, Sb and Zn despite their relatively low content in the waste rock. Leaching was conducted during 14-153 weeks. The initial characterization implied that all of the studied industrial residues has the potential to prevent ARD generation. However, the enrichment and leachability of Pb in the cement kiln dust, as well as Cr and Zn in the bark ash, suggested the presence of elements of potential concern that could limit the use of the materials. When the industrial residues were added to the waste rock surface in small-scale laboratory test cells, blast furnace slag, granulated blast furnace slag, and cement kiln dust self-cemented and failed to maintain circumneutral pH, whereas bark ash (1wt.%) prevented acidity, metal and metalloid leaching. However, the use of bark ash may prove problematic due to the release of Cl, K, and Na likely related to salt dissolution. Lime kiln dust (5wt.%), the most promising of the industrial residues, maintained a circumneutral pH throughout the time of leaching, with an overall decrease of metal and metalloid concentrations by more than 99.9%. Results from investigations of secondary minerals formed combined with element release during the leaching period suggest that the addition of LKD to the waste rock led to decreasing concentrations of S in the leachate due to decreased sulfide oxidation, which subsequently led to gypsum dissolution. Moreover, the addition of LKD to the waste rock generated a lower amount of secondary minerals compared to when no addition was made. The results from these studies increase the understanding of advantages and limitations of using selected industrial residues in the treatment of mine waste. Moreover, it shows that a rather small amount of alkaline material, corresponding to 4% of the net neutralizing potential of waste rock, can prevent the acceleration of sulfide oxidation and subsequent release of sulfate, metals, and metalloids. However, the quantity and long-term stability of the formed secondary minerals need to be evaluated and understood before this method can be applied at larger scale.
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Trumbower, Jeffrey A. "Born from above : the anthropology of the Gospel of John /." Tübingen : J.C.B. Mohr (Paul Siebeck), 1992. http://catalogue.bnf.fr/ark:/12148/cb35688778j.
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Bedair, Ayman. "Digital image analysis of rock fragmentation from blasting." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40319.
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A novel digital image analysis technique to measure the size of fragments on the surface of a muck-pile is presented in this thesis. The technique takes into consideration the physical characteristics of fragment representation and measurement problems. Using an adaptive smoothing filter prior to edge detection, each fragment on the surface is represented by a group of edge segments outlining its boundaries. These segments are then grouped to form continuous contours.<br>A multi-layer analysis of the digital image is then formulated where fragments on the surface are grouped into three layers, each of which is categorized by global characteristics and is related to other neighbouring layers by local characteristics. These local relationships between the layers are used to approximate the missing parts of the fragment contour.<br>An extensive analysis of the sieving process is used in building the relationship between the shape and the size of individual fragments. Using this relation, a new multivariable measure for each fragment is developed. These measures are used in estimating the size distribution of the muck-pile and compared with other existing measurement techniques. This comparison proves the robustness of the technique developed in this thesis.
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Yin, Fei. "The creep of potash rock from New Brunswick." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0006/MQ32977.pdf.
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Ngonyama, Lulama Smuts. "Born free: an exploration of national identity construction in post-apartheid South Africa: the case of the youth born from 1990." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1020349.
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National identity in South Africa is, and has been, a complex concept, with diverse and contested attempts at its embodiment. This research extends the discourse of identity politics in the post 1994 democratic South Africa to beyond the discourse of racial politics, and notions of oppressor and oppressed to the complexities of resistance and the eventual establishment of a democratic South Africa. The research draws on the views and experiences of young South Africans, born after 1990, regarding what constitutes a South African identity. The research participants represent the socio-cultural and economic spectrum of the city of Cape Town, in the Western Province of South Africa. Schools were chosen across this spectrum to allow for heterogeneity of research sample to reflect the different population groups that comprise the South African population. The areas the schools were chosen from included those that existed during the apartheid era and those that have since been developed. Schools included were those historically delineated according to apartheid-constructed racial groups, and one that was established after 1994 as a non-state school. The exploration of the data reveals a population of young people who have moved beyond the imposed identities created by the apartheid system to an actively inclusive conception of what it means to be a South African in a post-apartheid context. Additionally, the research shows that this inclusive national identity also allows for the acknowledgement and expression of the diversity of cultures and languages existent in South African society. There is also an understanding that socio-economic issues such as poverty, poor education and continued imbalances from the Apartheid era need to be addressed to ensure a stable and unified South Africa. Therefore, the research found that this research contends that young people born after 1990 are committed to a respectful and representative national identity that affords all South Africans an equal place in society.
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Koss, Michael Paul. "From Prog to Pop: Progressive Rock Elements in the Pop-Rock Music of Genesis, 1978-91." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/145489.
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The intent of this dissertation is to examine the way Genesis retained progressive rock elements during its 1978-91 pop-rock period. Genesis began composing music in a pop-rock style in 1978, adapting to the changes in rock by incorporating progressive rock elements into a pop-rock style. This study analyzes thirty-four selected songs from six Genesis albums considered in the pop-rock genre, identifying some of the progressive rock elements in these songs. The project begins with a historical survey of Genesis, shedding light on the development of the band`s progressive style, its transition through personnel changes and in the music before and after the departure of Peter Gabriel, and the shift toward pop-rock beginning in 1978. A review of published literature and analyses addresses the progressive nature of Genesis. The progressive rock elements pertinent to this study are defined using scholarly literature and analyses of Genesis and other established progressive rock bands. Analytical charts that indicate form, harmony, and rhythm are used to examine the common progressive characteristics in each song addressed in this study.
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Hosseini, Sahab. "Cloud computing utilisation and the mitigation of barriers to accelerated internationalisation by SMEs from emerging marketing : evidence from Iran and Turkey." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/14805.
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Over the past few years, the accelerated internationalisation by SMEs from Emerging Markets (EM-SMEs) have been facilitating by the phenomenon of the Cloud Computing. This technology as a new strategic approach has become in the centre of attention of many scholars and pragmatists. Despite prevalent use of Cloud-Computing Utilisation (CCU) and fast-paced growth of using this technology among the EM-SMEs, yet few studies have been conducted to investigate the effectiveness of utilising this new technology to mitigate the internationalisation barriers of the EM-SMEs towards their accelerated internationalisation. Therefore, this research study endeavours to explore the effectiveness of the CCU in mitigation of the EM-SMEs’ internationalisation-barriers towards an accelerated internationalisation. The research survey was conducted online by SurveyMonkey with the use of random and snowball sampling methods for the collection of data from the top managers of 227 SMEs in different industries in two contexts of Iran and Turkey. A quantitative research methodology was conducted with the use of self-administrated questionnaires. In addition, the structural equation modelling (SEM) was used in data analysis by the use of IBM® SPSS® Amos software. The key findings of this research study shed light on the effectiveness of the CCU for the EM-SMEs to accelerate their internationalisation. The findings of this research confirm that the CCU enables the EM-SMEs to mitigate informational, operational, marketing and environmental barriers and consequently this technology enables the EM-SMEs to accelerate their internationalisation. This research study contributes theoretically in both International Business (IB) and Information System (IS) respectively by identifying and classifying the EM-SMEs internationalisation barriers, and by providing and confirming a series of effective the CCU’s solutions to mitigate the EM-SMEs’ internationalisation barriers. Moreover, this research study contributes methodologically by applying the SEM data analysis with the use of AMOS software in order to investigate the effectiveness of the CCU as well as quantifying the magnitude level of EM-SEMs’ integration with CC based on the definition of cloud computing (CC) which has been defined by National Institute of Standards and Technology (NIST, 2011). Furthermore, the empirical outcomes of this research study contribute that the CCU facilitates the EM-SMEs to mitigate their informational, operational, marketing and environmental barriers towards an accelerated internationalisation. Therefore, this research contributes empirically to the EM-SMEs’ decision-makers and the cloud service providers (CSPs) in order to get the most out of this phenomenon.
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Beer, Jeremy Michael. "The influence of rearing order on personality : data from biological and adoptive siblings /." Digital version accessible at:, 2000. http://wwwlib.umi.com/cr/utexas/main.
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Cheung, William K. W. (Kwok Wai). "Inferring surface structure of rock piles from range images." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=56767.
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This thesis deals with the problem of applying computer vision techniques in an underground mine environment. In particular, the problem of the localization and identification of oversized rock fragments prior to secondary breakage, following the initial drilling and blasting operation is addressed. The strategy employed is based on the methodologies developed for reconstruction and interpretation of range image data. Discrete rock pile images acquired using the NRCC/McGill laser rangefinder were used in this study. The main contribution of this thesis is the complete study of the paradigm which involves: range data acquisition, surface reconstruction, segmentation, and fitting of parametric shape models. The final representation obtained from the model, describing the spatial and geometric properties of each rock fragment and can be used to control an automated rock-breaking mechanism. To support the strategy developed, a number of experimental results at different processing stages are presented.
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Zonta, Thaisa Carolina 1983, Mohamed 1960 Amal, and Universidade Regional de Blumenau Programa de Pós-Graduação em Administração. "Institutions, networks and the international growth of born globals from emerging markets." reponame:Biblioteca Digital de Teses e Dissertações FURB, 2016. http://www.bc.furb.br/docs/DS/2016/361950_1_1.pdf.
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Junrith, Kittiwan. "Predictors Of Physical Activity Participation In The Older Foreign-born Population In The United States: Data From The National Health Interview Survey (Nhis) 2002-2009." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc103340/.
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Promoting physical activity in older adults is an important part of healthy aging. With an increasing older foreign-born population in the United States, there is limited information on physical activity participation in this group and even less for those experiencing difficulties in physical functioning and chronic illnesses. The primary objective of the study was to determine how physical factors, psychological issues, chronic illnesses, pain symptoms, perceived health status, and number of years living in the U.S. influence physical activity participation in older foreign-born respondents. The secondary objective was to identify the difference of predictors of physical activity participation between older foreign-born and older native-born respondents. The study is based on data collected from the National Health Interview Survey (NHIS) conducted from 2002 to 2009 for adults aged 50 or older. Ordinal logistic regression analysis was used to predict and explain the physical activity participation in older foreign-born respondents. Factors associated with more physical activity participation included a higher level of education, more time living in the U.S., more positively perceived health status, and having at least one chronic illnesses, or pain symptoms. Having more difficulties in physical functioning caused older foreign-born respondents to participate less in physical activity. This study provides the most recent evidence to health-care professionals to develop and implement policies and strategies to facilitate physical activity programs that will be beneficial to elderly immigrants living in the U.S.
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Torres, Ortega Rosalina. "From market orientation to orientation towards international marjets (OIM) of born global firms: evaluating the impact of OIM on born global firms' performance." Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/371464.
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No obstante la amplia cantidad de investigaciones dedicadas a la “orientación del mercado”, en las organizaciones empresariales, las referencias de este concepto han sido muy limitadas—específicamente en el contexto de las empresas de rápida internacionalización, como las denominadas Born Globals (BG)— a partir de términos operacionales y de conceptualización. Dicho lo anterior, la presente tesis tiene como objetivo investigar el concepto de orientación al mercado para el tipo específico de las empresas BG. La tesis se enmarca en tres estudios realizados.
En primer lugar, realizamos un estudio exploratorio a través de entrevistas de profundidad con cinco empresas españolas provenientes de múltiples sectores y que, además, tenían actividades internacionales. Los datos fueron analizados con la técnica de Casos Cruzados. Los resultados sugieren que la orientación al mercado debería ser desarrollada dentro del concepto propuesto: orientación hacia los mercados internacionales (OMI) en las empresas BG. Este estudio también proporciona los componentes para la medición de la citada orientación, en este tipo de empresas.
En segundo lugar, al utilizar las muestras de empresas BG, de países nórdicos y de España, hemos evaluado la dimensionalidad de OMI, con la cantidad óptima de ítems para la escala, (con la excepción del constructo de redes); también analizamos la invariabilidad de los constructos a través de la muestra de múltiples países. Los resultados mostraron el soporte para la conceptualización de OMI como un constructo multidimensional compuesto por la orientación a clientes, la orientación a la competencia, la coordinación interfuncional y, por último, la capacidad de innovación y tecnológica. La invariabilidad de la medida fue evaluada con el análisis factorial confirmatorio multigrupo. Los factores mencionados anteriormente tienen una dimensionalidad y estructura factorial similar entre los países.
Finalmente, en el tercer estudio, examinamos cómo el concepto extendido de la orientación al mercado para las empresas BG —que hemos llamado OMI— afecta el rendimiento de la empresa, medido a partir del rendimiento al cliente y el rendimiento financiero, en el contexto de las empresas BG, asimismo si este efecto varía entre los países. Los resultados muestran cómo los componentes de OMI tienen un efecto positivo y significativo en el rendimiento de las empresas BG en ambos contextos (empresas nórdicas y españolas) a través del rendimiento al cliente y financiero.
Con base en los resultados de la investigación, la principal contribución teórica de la tesis es la propuesta de cómo la orientación al mercado debe de ser conceptualizada para las empresas BG. Nuestros hallazgos proveen evidencia de la necesidad de incorporar componentes relacionados al ambiente internacional para este tipo de empresas con el concepto propuesto de OMI. Desde una perspectiva para negocios, esta tesis proporciona una herramienta válida y fiable para medir la orientación hacia los mercados internacionales para estas empresas. Por lo tanto, los gerentes de empresas BG podrían adoptar esta escala para una mejor comprensión de la realidad en los mercados internacionales y para desarrollar una estrategia efectiva que permita atraer y retener a los clientes en los diferentes mercados en el extranjero.<br>Although there is a considerable amount of research on market orientation, research on this concept in the context of born global firms is still lacking a precise definition and full operationalization. This research aims to investigate how the market orientation (MO) concept could be understood for a specific type of firm: the born global firm. The thesis is framed around three studies.
First, an exploratory study that was developed by performing qualitative interviews in a sample of five Spanish firms from different sectors which had international activity. The data were analyzed using cross-case analysis. The results suggests that the market orientation concept should be developed into the concept of orientation towards international markets (OIM) for born global firms. It also provides the components for measuring this orientation in this type of firm.
Second, using samples of born global firms from the Nordic countries and Spain, we assess the dimensionality of OIM by considering the optimal number of scale items, with the exception of the network construct, and assess the measurement invariance of the construct across the samples. The results support the conceptualization of OIM as a multidimensional construct, using customer orientation, competitor orientation, interfunctional coordination, and innovativeness and technological capability. Measurement invariance was assessed using multi-group confirmatory factor analysis. The factors outlined above have a similar dimensionality and factor structure across countries.
Finally the third study, examines how the extended concept of market orientation for born global firms that we have called OIM affects business performance, as measured by customer performance and financial performance, in the context of born global firms, and whether this effect varies between countries. The results show that the OIM components have a positive and significant effect on business performance in born global firms in both contexts (Nordic and Spanish companies) through customer and financial performance.
Based on these research findings, the thesis’s main theoretical contribution is the suggestion of how MO should be conceptualized for BG firms. Our findings provide evidence that it is necessary to incorporate components that relate to the international scope of this type of firm, with the concept of OIM. From a business practice perspective, this dissertation suggested that the scale we have developed can provide a reliable and valid analytical tool for assessing the orientation towards international markets of these firms. Thus born global managers may adopt the scale for a better understanding of the reality of foreign markets and to develop effective strategies to attract and retain customers in different markets overseas.
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Thorbjörnson, Lind Thomas. "Rockfalls from rock cuts beside Swedish railroads : A full scale fieldtest, to investigate rockfalls and how rock bounces." Thesis, KTH, Jord- och bergmekanik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-185583.
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Rockfalls is a major problem around the world, if they occur in populated areas, they can cause major damage to infrastructure, injure or kill people. For this reason, it is important to be able to predict where the risk of rockfalls and how to prevent and protect populated areas from them. However, it is no easy task to predict rockfalls. Although if an area with potential area for rockfall is localized it may seem easy to construct protective meshing or bolting potential blocks down. But in many cases this is not easy to do due to practical issues or economic reasons, for example in rock cuts on older railways in Sweden. Fall heights from rock cuts like that are not particularly high but the risk of damage to the trains and infrastructure in the track area is high, however, it is unknown how extensive the damage may be. Trafikverket, the Swedish authority responsible for Sweden's roads and railways, has for some years investigated a new method for classifying and minimize the risk of rockfalls from rock cuts next to the railways. This study include aims to include the potential maximum distance of a block from the rockfall can travel to the existing method. This master's work is part of the investigation and will include full scale field test where the rockfalls are examined by filming them and then evaluate the “bounce coefficient”, coefficient of restitution, from the individual rockfalls using photogrammetric methods. During the field study, a geotechnical testing equipment, DCP test rig, to be evaluated for its ability of an easy way in the field to produce an estimated value on the coefficient of restitution. During the evaluation, two rockfall simulating software be used to investigate how well the results from them match the true blocks movements.<br>Stenras är ett stort problem runtom i världen, om de inträffar i bebyggda områden kan de leda till stora skador på infrastruktur, skador eller dödsfall. Av den anledningen är det viktigt att kunna förutse vart det finns risk för stenras och hur man kan förebygga dem och skydda bebyggda områden från dem. Dock är det ingen lätt uppgift att förutse stenras. Även om det finns ett potentiellt område för stenras kan det tyckas lätt att placera ut skyddsnät eller bulta fast potentiella block. Men i många fall är detta inte praktiskt, eller ekonomiskt, till exempel i bergsskärningar på äldre järnvägar i Sverige. Fallhöjderna här är inte speciellt höga men risken för skador på tåg och infrastruktur i spårområdet är hög, dock är det okänt hur omfattande skadorna kan bli. Trafikverket, den svenska myndigheten som ansvarar för Sveriges vägar och järnvägar, har under flera år utrett en ny metod för att klassificera och minimera riskerna för stenras från bergskärningar bredvid järnvägar. Denna utredning syftar bland annat till att till att väga in det potentiella maximalt avstånd ett block från stenras kan färdas i den befintliga modellen. Det här mastersarbetet är en del i den utredningen och kommer att innefatta ett fullskaligt fältförsök där stenras undersöks genom att de filmas och sedan utvärderas studskoefficienten, coefficient of restitution, från de enskilda rasen i stereo. Under fältstudien kommer en geoteknisk testutrustning, DCP test rigg, att utvärderas för sin förmåga att lätt i fält få fram ett uppskattat värde på studskoefficienten. Under utvärderingen kommer två stenrassimuleringsprogram att användas för att undersöka hur väl de stämmer med de verkliga blockens rörelser.
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Nafula, Ritah, and Zubiran Natalia Suarez. "Born Global firms from emerging economies: Investigating their success factors in international markets." Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-19095.
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Over the last two decades, the Born Global phenomenon has grown into a fascinating field of internationalization studies. Several perspectives have been studied to enrich this rather new area of business research, however little has been studied in context of the types of economies from where these firms emerge. More especially, insufficient amounts of literature cover the Born Global phenomenon from the emerging market context. Therefore, the purpose of this thesis is to gain a deeper understanding of this phenomenon from the emerging market context by investigating the factors that influence these born global firms to succeed in their international markets. We conducted a case study of two companies one from Mexico and another from Ghana. We adopted a qualitative approach for the literature review, data collection and analysis during the course of the study. We also utilized theoretical concepts to build a conceptualized framework to guide our study. Both primary and secondary data sources were used in this research. Our study revealed five main factors that influence born global firms from emerging economies to succeed in the international scene. These factors are both internal and external and are as follows; strategic management of the firm, networks, product differentiation, technology and markets. We found that the significance of each of the factors’ influence on the companies was specific to type of industry and product/service offering.
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Whaley, Rodney Dale. "Developing a strategy of worship for evangelical believers born from 1945 to 1955." Lynchburg, Va. : Liberty University, 2010. http://digitalcommons.liberty.edu.
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Norris, Katheryn Malcolm. "Born To Be Wild: Tiger Persecution and Advocacy From 1800 to the Present." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/33398.
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The tiger (Panthera tigris) was once abundant in many of Asia’s forests. The entire species now hovers dangerously close to extinction. Population declines within the last two centuries are blamed largely on loss of habitat, reductions in prey species, poaching, and human-tiger conflict. Modern tiger conservation efforts focus on reintroducing formerly captive tigers to designated protected wild areas.
Re-wilding and reintroduction programs teach survival skills to tiger cubs raised in zoo collections. Merging in situ and ex situ research collaborations is the twenty-first century’s interdisciplinary answer to the tiger’s plight in the wild. The zoo is viewed in terms of its role as an institution that represents societal values that shift in concurrence with shifting paradigms.
This thesis studies the human-tiger relationship and analyzes three defining periods that occurred between 1800 and the present. The first period occurred during the nineteenth century, the second took place from the early through the late twentieth century and the third picked up where the second left off and is the one we are presently engaged in. The tiger is investigated in two different ways throughout â for its importance in human history and culture conceptually, and in the biological sense in terms of its importance as umbrella species within its own ecosystem.<br>Master of Science
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Antony, Abbin. "Novel technique for the separation of dolomite from phosphate rock." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0041349.
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Baxter, Tamara. "Rock Big and Sing Loud: Short Stories from Southern Appalachia." Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/alumni_books/31.
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The past decade has been an exciting time for American fiction in general and Southern Appalachian fiction in particular. Rock Big and Sing Loud by Tamara Baxter is a significant addition to this surge of new writing. Writing truly about the world of eastern Tennessee Baxter also writes about the world at large, about humanity. Her narratives can make you laugh or break your heart, and sometimes they do both at once. She has given us the stories of some of the most afflicted and addicted, the most failed and failing, individuals on the planet, and also some of the strongest and most enduring people we are ever likely to meet. These stories take us to places we did not expect to go, and just when we think we have seen what is strangest, most absurd, most alien and outrageous, we recognize something of ourselves. - Robert Morgan, author of Gap Creek and Brave Enemies<br>https://dc.etsu.edu/alumni_books/1021/thumbnail.jpg
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Heij, Gerhard. "Cataclastic flow kinematics inferred from magnetic fabrics at the Heart Mountain detachment, Wyoming." OpenSIUC, 2014. https://opensiuc.lib.siu.edu/theses/1484.
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The Heart Mountain Detachment (HMD) in Wyoming constitutes one of the largest known rock slides (3400 km2) on Earth. This detachment took place along the stratigraphic boundary between the Bighorn Dolomite at the hanging-wall and the Snowy Range Formation at the footwall. The slide resulted in the formation of an up to 3 m-thick carbonate ultracataclasite (CUC) at the base of the slide. The origin of the CUC and the nature of the triggering mechanism responsible for the initiation of the catastrophic movement have long been controversial. The most widely accepted theory is a mid-Eocene eruption in the Absaroka volcanic province that triggered rupture and subsequent detachment of Paleozoic rocks. Rapid sliding was facilitated by basal fluidization generated by thermo-mechanical decomposition of carbonate rocks. Here I present a proof of concept study addressing the question of the consistent magnetic fabrics observed in the CUC, as well as new observations indicating the discovery of mineral grains of volcanic origin within the CUC. Additionally, some constraints are placed on the thermo-chemical conditions operating at the base of this catastrophic landslide. Overall, the CUC displays an average magnetic susceptibility one order of magnitude higher (1803 . -6 [SI]) than the overlying Bighorn Dolomite (148 . -6 [SI]) and underlying Snowy Range Fm (636 . -6 [SI]). Anisotropy of magnetic susceptibility (AMS) data, field observations and microstructural analysis suggest that ferromagnetic (s.l) minerals in the CUC originate from the Bighorn Dolomite, the Tertiary volcanics and synkinematic thermal decomposition of pyrite into pyrrhotite and magnetite. Thermomagnetic investigations revealed a Curie temperature of 525 °C which suggests that magnetite is the dominant magnetic carrier mineral in the CUC. Energy Dispersive Spectroscopy analyses confirm that this magnetite has a relatively low ulvöspinel content. Magnetic hysteresis properties point to an average pseudo-single domain magnetic grain size or, alternatively, a mixture of single domain and multi-domain grains. The origin of AMS is magnetostatic, elucidated by a high degree of consistency between AMS directions and 3–D SPO directions. The anisotropy of magnetic susceptibility (AMS) directional data displays two dominant fabric orientations suggesting possible strain partitioning in the CUC. The consistency of magnetic fabrics suggests that the CUC followed a dominantly transpressive regime. The deformation mechanism causing the consistent AMS is a homogeneous passive rotation of magnetite grains. Microstructural analysis of iron bearing minerals suggests that a high oxygen fugacity was present in the CUC at the onset of the slide. Evidence for elevated temperatures in the CUC is shown by broken twins in calcite which form as result of dynamic recrystallization. High pore fluid in the CUC is indicated by CUC dikes intruding the hanging wall and by accretionary grains (lapilli). Finally, the presence of unserpentinized and a few weakly serpentinized olivine clasts in the CUC brings the "hot water" weakening mechanism proposed by Ahranov and Anders (2006) into question.
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Bledsoe, Richard B. "Coming to Christ: Narratives of Prayer and Evangelism from Born-Again Christians in Atlanta." Digital Archive @ GSU, 2013. http://digitalarchive.gsu.edu/anthro_theses/71.
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Drawing on ethnographic research conducted with a Southern Baptist congregation in Atlanta, this thesis analyzes members’ experiences of becoming born-again Christians and their engagement with prayer to explore the affects that permeate the practice of developing a personal relationship with Jesus.
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Peters, Colin. ""I was born in a small town" separating myth from reality in heartland America /." Connect to resource, 2009. http://hdl.handle.net/1811/36529.
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Schanzer-Larsen, Arnold. "The effects of immigration on the income of native born workers: Evidence from Sweden." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-54685.
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Abstract Course: NAA305 Bachelor Thesis in Economics 15 ECTS University: Mälardalen University, School of Business, Society and Engineering, Västerås Title: The effects of immigration on the income of native-born workers: Evidence from Sweden Author: Arnold Schanzer-Larsen Supervisor: Johan Lindén Problem: Sweden has experienced a lot of immigration, and the phenomenon has received a great deal of attention in the public and political debate. There is, among other things, fear that immigration could be harmful for the labor market outcome of the receiving country. Researchers from a variety of countries have tried to address this issue by estimating the effect of immigration on the native wage of the receiving country. The results have varied strongly and no universal conclusion can be drawn. For what can be said about Sweden, there is no paper (of our knowledge) that has done any similar estimates. For that reason, it is of great importance that there is some research which could bring empirical evidence and shed light on the debate. Purpose of the Research: The aim of the thesis is to quantitatively measure immigrations effect on the wage of native workers in Sweden. Methodology: Conducting a panel study, observation of the average native income from 290 municipalities over 2011-2019 was collected. The effect was estimated using OLS regression technique and a fixed effect model. Conclusion: From a 10% increase in the share of foreign-born within a municipality, led on average to a 2.89% increase in the native average income in that municipality. Keywords: Immigration, Income, Wage, Unemployment rate, Panel study, Fixed effect model, Native, Labor market, The equilibrium model, Human capital, Skill-composition
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Do, Amaral Eduardo, and Kevin Walther. "An explorative study on small-sized game development firms from a born global perspective." Thesis, Uppsala universitet, Företagsekonomiska institutionen, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-324883.
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The existing literature provides a variety of drivers enabling rapid internationalization of born global firms. This explorative study with its inductive approach attempts to analyze to what extent born global theory can be used to understand internationalization in the context of small-sized game development firms. Five interviews of a qualitative nature are used to collect data from founders of firms in this under-researched context. The data collection process is based on an operationalization of concepts based on the three categories of founder, organizational and macro-environmental drivers. The findings show that the firms can be aligned to three different stages of their business development, from subcontracting, to game development, to self-publishing. Subcontractors are not born global, but game developers must develop games with global market potential. These firms are pushed to be international by the heavily globalized nature of their industry and digital nature of both the products and the distribution platforms. Founder and organizational factors do not drive the born global approach as much as the environment, but still play a role in explaining the business of these firms. Overall, the findings of this thesis may provide a guiding point for further research in this specific context of firms acting in an industry with immediate internationalization.
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Wilkinson, Darren James. "Geochemistry of eclogites from Western Norway : implications from high-precision whole-rock and rutile analyses." Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/10531.
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The Western Gneiss Region (WGR) in Norway is home to some of the world’s most spectacular exposures of high pressure (HP) and ultrahigh pressure (UHP) eclogites. Despite extensive petrological studies into their pressure, temperature and time (PTt) histories, relatively few have reported on their trace element compositions. Such data can be used to supplement our understanding of the provenance and history of Norwegian eclogites, as well as to further our understanding of trace element fluxes during HP to UHP metamorphism in subduction zone settings. In order to address this shortfall in data availability, the first step was to investigate and apply the best dissolution techniques for preparing eclogite samples for chemical analysis. Eclogites commonly contain up to a few weight percent rutile (TiO2), which is known to be an important host for a variety of major and trace elements (e.g. Ti, Nb and Ta). However, typical rock digestion procedures are incapable of dissolving rutile, and thus may lead to inaccurate measurements. It was found that that total dissolution of rutile can be achieved by dissolving samples in sealed pressure vessels at increased pressures and temperatures, ultimately leading to greatly increased data accuracy for analyses of any rutile-bearing lithology. The solutions were analysed by standard ICP-MS techniques and the results compared to analyses of powders by XRF spectrometry. Our high-accuracy and high-precision data were subjected to immobile trace element discriminant analyses that suggested eclogites belonged to three broad geochemical groups: eclogites with mid ocean ridge Basalt (MORB)-like composition; eclogites with arc-like composition; and eclogites with geochemical signatures significantly perturbed by metamorphism. The geochemistry of eclogites in the first two groups are shown to likely reflect protolith composition, and as such we used model protolith compositions to calculate estimated element mobilities (EMMs) for those elements considered relatively mobile during metamorphism. It was not possible to determine protoliths for eclogites in the third category using trace elements alone. Finally, the trace element geochemistry of a large number of separated eclogite-hosted rutiles was studied. The data collected were used to demonstrate that rutile contains significant amounts of the whole-rock’s high field strength element (HFSE) budget, and may exert significant control on the HFSE composition of passing hydrothermal fluids. Furthermore, Zr-in-rutile thermometry (ZRT) was applied to separated rutiles. This temperature information was used to better our understanding of the thermal history of the WGR, as well as to create a map of eclogite temperatures in the Nordfjord-Statlandet area. This high-resolution thermal map of arguably the most important area of the WGR, supports current interpretations that during the Caledonian Orogeny the leading edge of the Baltica plate was consumed in a northwest to north-northwest-dipping subduction zone under Laurentia. Furthermore, isotherms on this map mimic several major fold hinges in the region rather well, thus providing support to the hypothesis that such structures were most likely formed during the collapse of the Scandinavian Caledonian Orogen after the peak metamorphism of most eclogites.
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Bondarchuk, Alexander. "Rock mass behavior under hydropower embankment dams : results from numerical analyses." Licentiate thesis, Luleå : Luleå University of Technology, 2008. http://epubl.ltu.se/1402-1757/2008/03/.
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Hardy, Andrew John 1965. "Fragment size distribution of in situ rock masses from drill core." Thesis, The University of Arizona, 1993. http://hdl.handle.net/10150/278324.
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The success of rock fragmentation by blasting and subsurface fluid flow depends on many variables, including in-situ fragmentation. This study presents select data from a review of over 13000 feet of core samples drilled at seven different mine properties in the United States and Chile. Two-dimensional computer simulations of fractures can be used to quantify the volume of rock required to calculate a stable estimate of mean fragment size. Spatial periodicity of fragment size measurements is indicated through vertical variograms and is used as the basis for a statistical analysis for the zoning of rock masses. A more reliable quantitative method to characterize the size distribution of in-situ rock using digital image processing of drill core photographs is also included. Furthermore, a complete experimental analysis is provided for the comparison of currently used correction methods used to develop the full volumetric fragment size distribution curve.
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El-Midany, Ayman A. "Separating dolomite from phosphate rock by reactive flotation fundamentals and application /." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0008000.
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Bowens-Rubin, Rachel. "Paleomagnetism conglomerate test on Archean conglomerate rock from Jack Hills, Australia." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/114374.
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Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 59-60).<br>A paleomagnetism study known as a conglomerate test was run on an Archean sandstone conglomerate rock to determine if the sample contained a remnant magnetization from the time of its formation. Twenty-nine clasts from a thin section of the sample were thermally demagnetized up to a temperature of 395°C. The heating revealed two components of magnetization which were unblocked at low and mid temperatures, revealing a magnetic mineralogy of Pyrrhotite.Eight matrix samples were heated to a temperature of 650°C which revealed two components of magnetization at mid and high temperatures, providing evidence for a magnetic mineralogy of Hematite.The direction of measured magnetic moment of the clasts were statistically similar, indicating that the rock failed the conglomerate test and was remagnetized after the rock formed.<br>by Rachel Bowens-Rubin.<br>S.B.
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Kostecki, Todd. "DESIGN METHODS FOR ROCK BOLTS USING IN-SITU MEASUREMENT FROM UNDERGROUND COAL MINES." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/dissertations/1695.
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The research in this dissertation was undertaken because of a need for a more accurate, reliable and relatively simple method for determining the combined loading (i.e., axial, flexure and shear) along rock bolts. This combined load determination and understanding also resulted in a relatively simple and reliable new rock bolt design methodology. The new design method was based on a clearer understanding of the actual loading along a grouted rock bolt. To accomplish these research goals, double shear tests were conducted in the lab with reinforced concrete specimens, and field trials were conducted in room and pillar coal mines, with the aim to measure in-situ rock shear. Strain measurements were obtained using rock bolts instrumented with optical fibers that possessed high spatial resolution (≈ 1.25 – 2.5 mm). Corroboration with a past database of rock bolt measurements in shale aided in the deduction of the final support design method. The scientific contributions from this research include the conceptualization of a ground reaction curve that considers time effects such as rock relaxation, long term weakening effects, and lateral rock movement. A new explanation as to why rock bolts creep in practice (i.e., dislocation creep) is described based upon field measurements, which also indicated that the process of in-situ rock shear involves slow episodic movements. Specifically, there are localized compression (i.e., rock pinch) and tensile zones (i.e., dilatation) prior to the occurrence of plastic relief (i.e., rock slip). Finally, the design method is developed using simple factors (i.e., strain and shape factors) and loading conditions (e.g., installed load, rock slip) that occurred throughout the rock bolt’s design life. This approach results in a methodology that considers effects on reinforcement with time and combined loadings. The method is then extended by producing survival and hazard functions for rock bolts to ultimately reduce risk associated with design.
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Dettmann, Jeffrey Alan. "Anti-Chinese violence in the American northwest from community politics to international diplomacy, 1885-1888 /." Access restricted to users with UT Austin EID Full text (PDF) from UMI/Dissertation Abstracts International, 2002. http://wwwlib.umi.com/cr/utexas/fullcit?p3077525.
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Pillalamarri, Kalyani, and Mekki Mohamed. "SMEs Internationalization From Developing Countries : Challenges and Barriers." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-31786.
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Small and medium-sized enterprises (SMEs) play a major role in the development of the nation's economy by providing employment and creating the economic growth. The management of the companies that are going international considers different motives before taking the step into the international market. The internationalization process involves risks and uncertainty significantly effected by challenges and barriers to SMEs from developing countries.
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Werthmüller, Dieter. "Bayesian estimation of resistivities from seismic velocities." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/8932.
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I address the problem of finding a background model for the estimation of resistivities in the earth from controlled-source electromagnetic (CSEM) data by using seismic data and well logs as constraints. Estimation of resistivities is normally done by trial-and-error, in a process called “inversion”, by finding a model of the earth whose responses match the data to within an acceptable error; what comes out of the inversion is what is put into the model by the geophysicist: it does not come out of the data directly. The premise underlying this thesis is that an earth model can be found that satisfies not only the CSEM data but also the seismic data and any well logs. I present a methodology to determine background resistivities from seismic velocities using rock physics, structural constraints, and depth trends. The physical parameters of the seismic wave equation are different from those in the electromagnetic diffusion equation, so there is no direct link between the governing equations. I therefore use a Bayesian framework to incorporate not only the errors in the data and our limited knowledge of the rock parameters, but also the uncertainty of our chosen and calibrated velocity-to-resistivity transform. To test the methodology I use a well log from the North Sea Harding South oil and gas field to calibrate the transform, and apply it to seismic velocities of the nearby Harding Central oil and gas field. I also use short-offset CSEM inversions to estimate the electric anisotropy and to improve the shallow part of the resistivity model, where there is no well control. Three-dimensional modelling of this resistivity model predicts the acquired CSEM data within the estimated uncertainty. This methodology makes it possible to estimate background resistivities from seismic velocities, well logs, and other available geophysical and geological data. Subsequent CSEM surveys can then focus on finding resistive anomalies relative to this background model; these are, potentially, hydrocarbon-bearing formations.
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Solberg, Karolina, Linda Svensson, and Cecilia Sjögren. "Customer Capitalism : identifying key aspects from a." Thesis, Växjö University, School of Management and Economics, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-704.
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<p>The traditional internationalization theories suggest that the process of going international is gradual. Recent theories about “born global” firms state they internationalize from the day they are founded or shortly thereafter. TAT (The Astonishing Tribe) is a small but growing Swedish software technology and design company and a “born global” company. TAT has a small number of very large companies as their customers, which could be unsafe if they were to lose one of these important clients.</p><p>The strategic states model show the need for different combination of competitive edges and presents optimum strategies to reach high performance. To move to a more desirable state in the model the theory of customer capitalism is suggested in this thesis. The theory is supposed to make the customer “lock on” to a corporation for a win-win long term relationship. Two aspects of the theory that are more distinguished than the four others has been identified, these being relationship and developer.</p>
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Kritzer, Kelly Norman. "Thermolithofractography : a comparative analysis of cracked rock from an archaeological site and cracked rock from a culturally-sterile area, or, all 'R' is FCR unless it's a manuport." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/935946.
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Fire-cracked rock is often overlooked in archaeology. This study attempted to determine whether or not fire-cracked rock from the surface of an archaeological site located in a cultivated field can be differentiated from other cracked rocks. A study sample of 67 rocks from the surface of a prehistoric site located in a cultivated field and another study sample of 58 rocks from an adjacent area that was sterile of prehistoric human activities was collected. A third sample of 70 fire-cracked rocks excavated from features below the plowzone in a prehistoric site served as a control sample. The fracture surface morphologies of the control sample were examined for distinguishing characteristics, which were then compared to the study samples. Those cracked rocks from the study samples which exhibited similar characteristics were identified as fire-cracked rock. Ten fire-cracked rocks were thus observed within the on-site sample and the offsite sample included only one.<br>Department of Anthropology
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Ralph, David. "Understanding home : the case of Irish-born return migrants from the United States, 1996-2006." Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/5290.
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In this thesis, I examine the ideas of home among Irish-born return migrants who left the Republic of Ireland in the late-1980s/early-1990s for the United States, and then came back at the beginning of the 2000s. Drawing on an analysis of intensive interviews, I elucidate the ways in which my research participants articulate and use the concept of home to negotiate their (re)settlement experiences. The overarching argument of the thesis is that participants’ interpretations represent an alternative to fixed, bounded and exclusionary understandings of home, without necessarily downplaying the longing for a discreet, foundational and originary home. This is important because their accounts of home begin to challenge narrow readings of locality and stable definitions of identity. Moreover, their narratives of home force researchers to address awkward questions about who belongs to particular places, and on what basis claims to membership are made. I develop this argument throughout the thesis by analyzing participants’ descriptions of (re)settlement in the old/new places they inhabit. I show that the majority of participants conventionally justify the return decision as the restoration of a settled sense of home. The actual experience of (re)settlement, however, requires many participants to redefine home upon return. The anxieties associated with the return experience means that home can be simultaneously a space of both homecoming and leavetaking, blurring distinctions between ‘here’ and ‘there’, home and away. In effect, what participants’ narratives draw attention to is the often-overlooked tension between home’s dual meaning: its lived and longed-for aspects. While the reality of return revises the expectations surrounding homecoming, opening out home to broader sets of connections does not necessarily mitigate the longing to belong ‘at home’, to anchor the elusive aspects of home. Participants’ accounts of (re)settlement point towards an accommodation of both grounded and uprooted homes simultaneously: translocally lived, yet longed-for as discreetly-defined. These findings are significant, as they foreground the moored and mobile moments of home as complementary and co-existing rather than conflicting and contending. Return migrants’ (re)settlement experiences offer a productive entry point into investigating this paradoxical nature of home in contemporary societies.
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Giovannella, Martina. "Hybrid diffuse optical neuromonitoring of cerebral haemodynamics: from the smallest premature born infants to adults." Doctoral thesis, Universitat Politècnica de Catalunya, 2019. http://hdl.handle.net/10803/671782.
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Hybrid diffuse optical devices allows for the non-invasive and continuous monitoring of the cerebral haemodynamics and metabolism. Such devices can be portable and are relatively inexpensive, therefore available at the bed- or cot side. These advantages make the technology appealing and useful for a variety of applications. For my Ph.D. thesis, I have worked on the development of new devices that integrate diffuse correlation (DCS) and time resolved near-infrared spectroscopy (TRS) and on broadening their field of applications.
Preterm newborn infants are one of the target populations for such a neuromonitor. Premature newborns are at a risk of impaired neurodevelopment due to brain lesions that can be developed during first hours and days of life. In spite of the fact that these lesions are often due to episodes of abnormalities of the cerebral haemodynamics, related to oxygen supply to the brain and its consumption, these parameters are not currently monitored due to the lack of an appropriate technology. In order to meet this need, the BabyLux project
aimed at developing a hybrid diffuse optical device that could be used to assess the cerebral well-being of the premature newborn infants. In the framework of this project, I have developed and built the Baby-Lux device. Specifically, I have integrated DCS, to measure microvascular blood ow, and TRS, to measure microvascular blood oxygenation, into a
user-friendly device, a prototype for a future medical grade device. In this thesis I report results of tests in laboratory settings in order to assess the device performance in best-case scenario. Furthermore, I explore the device's limits in precision and accuracy, through simulated DCS and TRS data with realistic noise added, and I describe the influence of a variety of experimental and analysis parameters. In addition, I demonstrate a high correlation between cerebral blood ow (CBF) measurement performed by the BabyLux device and
by the gold standard positron emission tomography with 15O-labeled water on a neonatal piglet model. This proves the robustness of the BabyLux solution for blood ow measurement and provides a calibration formula to convert the DCS-measured blood ow index into traditional ow units. Finally, the device was tested in clinical settings, on healthy term newborns. It allowed for following cerebral haemodynamics and metabolism during the
transition after birth. Reproducibility over probe replacement appeared improved
with respect to commercial oximeters for tissue blood oxygen saturation and comparable to other technologies for the blood ow. For an additional study on adult healthy volunteers, I have constructed a hybrid device integrating a commercial DCS and a prototype for a TRS device. This could serve as a neuro-monitor for following the cerebral response to transcranial direct current stimulation. This is a non-invasive form of stimulating
the brain that has proven to be effective for cognitive augmentation and for
treating pathological conditions.In conclusion, the work presented in this thesis paves the way to a new generation of neonatal neuro-monitors that can be developed for extensive,
multi-center clinical testing and ultimately allow a robust and accurate assessment
of the cerebral well-being of the newborns. As far as the adult brain is concerned, I have introduced a new method for monitoring the cerebral response during transcranial direct current stimulation that can be exploited for protocol and dosage definition and, eventually, for the on-line monitoring of the cerebral response to the stimulation, tailoring the intervention to each subject's condition.<br>Las tecnologías de óptica difusa permiten estimar de manera no invasiva y continua la hemodinámica y el metabolismo cerebral a través de instrumentos manejables, de coste relativamente bajo y disponibles al lado de la cama o la cuna del paciente. En mi tesis doctoral he desarrollado un instrumento que combina dos técnicas de óptica difusa: diffuse correlation spectroscopy (DCS) y time resolved near-infrared spectroscopy" (TRS). Además, he contribuido a explorar nuevas aplicaciones para estas tecnologías. Los prematuros recién nacidos son unas de las poblaciones objetivos para este tipo de aparato de monitorización cerebral. El desarrollo cerebral de los prematuros es más susceptible de lesiones cerebrales desarrolladas en las primeras horas o días de vida. Aunque estas lesiones cerebrovasculares son generalmente causadas por anomalías en la hemodinámica cerebral, es decir en el flujo sanguíneo hacia el cerebro o en el nivel de oxigenación del tejido cerebral, estos parámetros no son monitorizados de forma continua porque no existe una tecnología que permita hacerlo. El proyecto Baby Lux, en el que participé activamente, tenía el objetivo de desarrollar un instrumento que utilizara óptica difusa para monitorizar el cerebro de los bebés prematuros. Con el consorcio del proyecto Baby Lux, he desarrollado y construido un aparato que combina DCS, para medir el flujo sanguíneo micro-vascular, y TRS, que mide la oxigenación del flujo microvascular, con el objetivo de que fuera preciso, exacto y sólido como para poder utilizarse en aplicaciones clínicas. En esta tesis se exploran sus límites de precisión y exactitud, simulando datos DCS y TRS, y cómo estos se ven influenciados por varios parámetros experimentales y de análisis. Además, se demuestra una fuerte correlación en lechones entre el flujo sanguíneo medido por Baby Lux y lo medido por tomografía por emisión de positrones (PET) con 15O como radiofármaco, técnica de referencia para medir el flujo sanguíneo cerebral. Esto demuestra la habilidad de la medida de flujo de Baby Lux y, además, permite calibrar el flujo sanguíneo medido por la DCS y convertirlo en la unidad tradicional de medida de flujo. Finalmente, el dispositivo fue ensayado en hospitales. La hemodinámica cerebral fue monitorizada en los minutos posteriores al nacimiento de bebés sanos. La reproducibilidad de las medidas de Baby Lux demostró una calidad superior respecto a los oxímetros cerebrales actuales y comparables a otras tecnologías para medir el flujo cerebral. Estudios adicionales han investigado la hemodinámica cerebral de voluntarios adultos y sanos con otro aparato que he construido combinando una DCS comercial y un prototipo para una TRS. He demostrado que este aparato puede ser útil para investigar la respuesta cerebral a la estimulación eléctrica transcraneal, una forma de estimulación no invasiva que ha dado buenos resultados para tratar condiciones patológicas o para mejorar capacidades cognitivas. En resumen, el trabajo presentado en esta tesis abre el camino hacia una nueva generación de instrumentos capaces de monitorizar el cerebro de los bebés prematuros, que puedan ser utilizados en ensayos clínicos en varios hospitales y de forma extensiva. Además, he introducido una nueva técnica para monitorizar la respuesta cerebral a la estimulación transcraneal que pueda ayudar a la hora de definir protocolos y dosis de la estimulación y que permite adaptar el protocolo a cada sujeto.
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Källström, Böresson Jonna. "From Politics to Practice : The representation of foreign-born women in Swedish labour market policy." Thesis, Umeå universitet, Umeå centrum för genusstudier (UCGS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-188324.
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By studying the representation of foreign-born women in the Swedish labour market policy debate, between the years 2010-2020, I want to discover if there has been a change of the rhetoric in political debates and how that affects the activities provided to foreign-born immigrant women. My conclusion is that there has been a change towards a more individualistic approach, with a representation of the group that further amplifies systematic discrimination in the Swedish labour market system. By creating a group with weaker standing on the labour market that can be used as low wage labour under the cover of support, the rhetoric can be seen as upholding the capitalist system.
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Prater, Tanita. "Comparison of rock-type-derived reservoir properties with estimates from standard petrography /." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09S.B/09s.bp912.pdf.
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Antony, Alfred Vinod. "A New Tool for Rock Mass Discontinuity Mapping from Digital Images: VTtrace." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/32075.
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Manual fracture mapping in tunnels, caverns, mines or other underground spaces is a time intensive and sometimes dangerous process. A system that can automate this task could minimize human exposure to rockfalls, rockbursts or instabilities and facilitate the use of new methods of data visualization such as virtual environments. This research was undertaken to develop VTtrace; a semi-automatic fracture mapping algorithm based on image processing and analysis techniques. Images of a rock exposure surface are made using a â prosumerâ grade digital camera. The grayscale images are preprocessed to remove color information and any noise or distortion. The smoothed images are converted into binary images. The binary images are then thinned to extract the fracture map. The fractures are then separated and stored as different images. Fracture properties such as the length, width, orientation and large-scale roughness are determined using photogrammetric techniques. Results from test images shows the VTtrace is effective in extracting rock discontinuity traces. Additional enhancements to the program are proposed to allow feature attributes from the three-dimensional surface to be determined.<br>Master of Science
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Kaplan, Jonathan Michael. "45000 years of hunter-gatherer history as seen from Umhlatuzana Rock Shelter." Master's thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/22299.
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Bibliography: pages 124-137.<br>Umhlatuzana Rock Shelter in Natal was excavated in 1985. A long and detailed sequence of stone artefacts was recovered. These artefacts covered the time range from the Middle Stone Age (MSA) to the Later Stone Age (LSA). The excavations generated important information on the MSA, MSA/LSA transition, the Late Pleistocene early microlithic bladelet assemblages, and the relationship between hunter-gatherers and farmers between AD 400-AD 800. The primary aim of this thesis is to describe the excavation and the results, showing how Umhlatuzana Rock Shelter contributes to a broader understanding of the southern African MSA and LSA technological evolution. The stone artefact sequence, animal and plant remains, worked bone tools, beads, pottery and ochre finds are described. Evidence is presented which shows that the change from the MSA to the beginning of the LSA .took place between 35 000 BP and 20 000 BP, while a true LSA industry occurred closer to 20 000 BP. No technological boundary exists between the MSA and the LSA: rather change was a gradual process beginning· in the MSA. The bladelet-rich assemblages recovered from Umhlatuzana Rock Shelter are the first of their kind to be positively identified in Natal. Pre-dating 18 000 BP and post-dating 12 000 BP, they show that assemblages of this nature were systematically produced earlier and later in Natal, than elsewhere in southern Africa. The metrical results for bladelet cores and bladelets show that there is a progressive decrease in the mean length sizes of. these artefacts from the MSA to the LSA, as well as within the LSA sequence. statistics show that the model for gradual change is corroborated. These results have significant implications for our understanding of the culture-history sequence in southern Africa. The results also raise questions regarding the nature of MSA and MSA/LSA assemblages, and the origins of the early microlithic assemblages of the southern African LSA.
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Salley, Devon Mr. "Advancing Methods to Measure the Atmospheric CO2 Sink from Carbonate Rock Weathering." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1603.
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With rising atmospheric CO2 concentrations, a detailed understanding of processes that impact atmospheric CO2 fluxes is required. While a sink of atmospheric carbon from the continents to the ocean from carbonate mineral weathering is, to some degree, offset by carbonate mineral precipitation in the oceans, efforts are underway to make direct measurements of these fluxes. Measurement of the continental sink has two parts: 1) measurement of the dissolved inorganic carbon (DIC) flux leaving a river basin, and 2) partitioning the inorganic carbon flux between the amount removed from the atmosphere and the portion from the bedrock. This study attempted to improve methods to measure the DIC flux using existing data to estimate the DIC flux from carbonate weathering within the limestone karst region of south central Kentucky. The DIC flux from the Barren River drainage basin upstream from Bowling Green in southern Kentucky and northern Tennessee, and the upper Green River drainage basin, upstream from Greensburg, Kentucky, was measured, each for a year, using U.S.G.S. discharge data and water-chemistry data from municipal water plants. A value of the (DIC) flux, normalized by time and area of carbonate rock, of 4.29 g km-3 day-1 was obtained for the Barren River, and 4.95 kg km-3 for the Green. These compared favorably with data obtained by Osterhoudt (2014) from two nested basins in the upper Green River with values of 5.66 kg km-3 day-1 and 5.82 kg km-3 day-1 upstream from Greensburg and Munfordville, respectively. Additional normalization of the values obtained in this study
by average precipitation minus evapotranspiration over the area of carbonate rock, or water available for carbonate dissolution, resulted in values of 5.61x107 g C (km3 H20)- 1 day-1 (grams of carbon per cubic kilometer of water, per day) for the Barren, and 7.43x107g C (km3 H20)-1 day-1 for the Green River. Furthermore, a statistical relationship between the total DIC flux and time-volume of water available for dissolution has been observed, yielding an r2 value of 0.9478. This relationship indicates that the primary variables affecting DIC flux for these drainage basins are time and the volume of water available for dissolution.
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Spais, C. "Palaeomagnetic and magnetic fabric investigations of tertiary rocks from Alexandroupolis area, N.E. Greece." Thesis, University of Southampton, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378662.
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Zhou, Xiaoyan. "Qing perceptions of anti-Chinese violence in the United States case studies from the American West /." Laramie, Wyo. : University of Wyoming, 2008. http://proquest.umi.com/pqdweb?did=1663116471&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.
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Reiten, Andreas Lønning. "Diffuse Small Angle X-Ray Scattering From Thin Film Structures In the Distorted Wave Born Approximation." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for fysikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-13379.
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The differential scattering cross section for diffuse scattering of X-rays from thinfilm structures is discussed within the framework of the distorted wave Born ap-proximation (DWBA). In contrast to the standard Born approximation (BA), thedistorted wave approach succeeds in calculating scattering from surfaces near thecritical angle of reflection. The method is particularly useful for studying averagesurface properties.Compromises made in the derivation of the model substantially simplify thefinal expression, but also limit its range of validity, which depends on the surfaceroot mean square roughness σ and the momentum transfer between the incidentand scattered X-rays perpendicular to the surface, Qz . The approximation is validso long as (Qz x σ) << 1.However, this is also the only regime where it is necessary togo beyond the simpler Born approximation.A computer simulation software based on the DWBA is implemented in Python.The implemented DWBA depends on the fractal dimension of the surface featuresthrough a parameter h (D = 3 − h) and an in-plane correlation cut off length ζ.The various effects of changing key model parameters, among them ζ and h, isdemonstrated. Comparison between experimental data and the DWBA modellooks promising although there are some challenges in relation to determiningthe fractal dimension.Finally, the feasibility of implementing the DWBA model in a multi-parameterfitting algorithm is discussed.