Academic literature on the topic 'BA thesis'
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Journal articles on the topic "BA thesis"
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Lv, Rong Sheng, and Rui Yang. "Study of Building Automation Systems Engineering." Applied Mechanics and Materials 716-717 (December 2014): 1500–1503. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.1500.
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BA System (Building Automation System) is an important intelligentized subsystem of Intelligent Building, also known as the groundwork of intelligent integration. It is the integration of multi-subsystems, which aims at automatic device management, efficiently saves energy and reduces use-cost. What is outstanding out of all effort for saving energy in modere Intelligent Building are both supervision and control of air-conditioner system. Now BA System comprises the basic components, here they are: central station, sub-station, spot meters, Control Network.According to survey, there are few stable BA System for long, without regard to amount of those existence. It results directly in massive equipments and related investment suspended. The thing is gone for little. The thesis illuminates functions and components of BA System thoroughly, gives further details of key technique---Control Network and System Integration, and predicts trend of this system. Based on the analysis mentioned along whith my experence, the procedure, principles and key point of BA System design and device choice are given; further more, embodies methods through illustrating real project for better utilization of BA System. In the end a conclusion and forecast of BA System are put forward.
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Muchowska, Joanna. "Chińskie zwyczaje pogrzebowe: powtórny pochówek." Investigationes Linguisticae 37 (July 26, 2018): 44–58. http://dx.doi.org/10.14746/il.2017.37.4.
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The article is devoted to the Chinese death ritual of a secondary burial in its traditional form, known from ancient written sources. It depicts its origin and the most important practices associated with it. The article is based on the BA thesis “Funerary customs in China and Taiwan: secondary burial”, written by the author under the supervision of dr. Marcin Jacobi in the Department of Chinese Language at Warsaw University in 2013.
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Gu, Peiya, Ye Zhang, and Haibo Gu. "Creating a technology-enhanced constructivist learning environment for research ability development in a BA Thesis Writing course." Computer Assisted Language Learning 33, no. 5-6 (2019): 538–66. http://dx.doi.org/10.1080/09588221.2019.1576735.
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Antonio, Keoma Ferreira, and Cinara Maria Leite Nahra. "An interview with Stefan Lorenz Sorgner." Veritas (Porto Alegre) 66, no. 1 (2021): e41154. http://dx.doi.org/10.15448/1984-6746.2021.1.41154.
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Prof. Dr. Stefan Lorenz Sorgner combines two essential attributes: He is one of the brilliant minds of our times, and his specialization is on one of the most relevant discussions on philosophy, Trans/Post/Metahumanism. He received his BA from King’s College/University of London (1997), his MA by thesis from the University of Durham, UK (1998), and his Dr. Phil. from the University of Jena, Germany (2009). In recent years, he taught at the University of Jena (Germany), University of Erfurt (Germany), University of Klagenfurt (Austria), Ewha Woman’s University in Seoul (South Korea) and University of Erlangen-Nürnberg (Germany).
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Garmabi, Hanieh, and Gholamreza Zareian. "Investigating EFL Teachers' Attitudes towards the Effectiveness of Reading Metacognitive Strategies Regarding Their Academic Degrees." International Journal of Linguistics 8, no. 1 (2016): 26. http://dx.doi.org/10.5296/ijl.v8i1.9069.
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<p>Xu (2012) stated that teachers' beliefs are more influential than teachers' knowledge on determining their teaching activities, so effective teacher beliefs about learners are of importance, and are considered as integral components of effective teaching. In other words, teachers' beliefs influence teacher consciousness, teaching attitude, teaching methods, teaching policy, and also strongly influence teaching behavior and learner development (Xu, 2012). With such an importance in teachers' beliefs and attitudes, this study tried to explore the teachers' attitudes towards the effectiveness of reading metacognitive strategies which are used by high school students. To do so, 91 teachers holding BA and MA degrees were chosen as the participants of study. They all had an experience of teaching English at different high schools of three Cities in Iran. These participants were asked to complete 34 item thesis questionnaire which investigated the teachers' attitudes toward the effectiveness of reading metacognitive strategy use. The results of statistical analysis indicated that although teachers holding MA and BA degrees had the same attitudes about pre-reading metacognitive strategies, they had significantly different attitudes about reading and post-reading metacognitive strategies.</p>
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Seoane, Elena. "Telling the true Gibraltarian Story: an Interview with Gibraltarian writer M.G. Sanchez." Revista Alicantina de Estudios Ingleses, no. 29 (November 15, 2016): 251. http://dx.doi.org/10.14198/raei.2016.29.14.
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Born in Gibraltar in 1968, writer M. G. Sanchez moved to the UK to study English Literature at the age of twenty-seven, where he has lived ever since, with interludes in New Zealand (2004), India (2005-2008) and, more recently, Japan (2014-2016). He took BA, MA and PhD degrees at the University of Leeds, completing his studies in 2004 with a thesis exploring perceptions of ‘hispanicity’ in Elizabethan and Jacobean literature. His first publication was Rock Black: Ten Gibraltarian Stories, a collection of short narratives. Since then he has written three novels on Gibraltar – The Escape Artist, Solitude House and Jonathan Gallardo – as well as numerous stories and essays. His latest work, Past: A Memoir, was published in October 2016, and explores his own family history on the Rock.
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Urbanaeva, Irina Safronovna. "Introduction to the treatise “Ocean of Reasoning: a Great Commentary on the Nāgārjuna's Mūlamadhyamakakārikā” by Je Tsongkhapa." Философия и культура, no. 11 (November 2020): 44–58. http://dx.doi.org/10.7256/2454-0757.2020.11.34454.
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The subject of this research is the content of the Tibetan text &ndash;&nbsp; famous commentary work of the prominent Buddhist reformer and founder of the Gelugpa School Je Tsongkhapa (1357-1419) &ndash; &ldquo;Ocean of Reasoning: a Great Commentary on the N&#257;g&#257;rjuna's M&#363;lamadhyamakak&#257;rik&#257;&rdquo; known as "Wisdom"." (&ldquo;dBu-ma-rtsa-ba&rsquo;i-tshig-leur-byas-pa-shes-rab-ces-bya-ba&rsquo;i-rnam-bshad-rigs-pa&rsquo;i-rgya-mtsho-zhes-bya-ba-bzhugs-so&rdquo;). It analyzes the content of the chapter of preliminary guidelines Tsongkhapa's writing, and preambular part of Tsongkhapa's authorial commentary to &ldquo;M&#363;lamadhyamakak&#257;rik&#257;&rdquo;, referred to as the &ldquo;introductory part&rdquo; of the &ldquo;Ocean of Reasoning&rdquo;. The research is based on the materials translated by the author from the Tibetan language, which is the first ever translation of the original text into the Russian language. Analysis of the works of&nbsp; Tsongkhapa allows concluding that it is the fundamental logical-analytical research of the &ldquo;N&#257;g&#257;rjuna's M&#363;lamadhyamakak&#257;rik&#257;&rdquo; carried out in Indo-Tibetan scholastic tradition, with attraction of multiple Buddhist primary sources &ndash; Sutras and Shastras, including basic Indian commentaries to N&#257;g&#257;rjuna's thesis, written by the ancient Indian philosophers Buddhapalita, Bh&#257;viveka, and Candrak&#299;rti. This text is an important source for introducing into the modern philosophical discourse of the doctrine of Madhyamaka School, represented particularly by the Tibetan Pr&#257;sa&#7749;gika interpreters through Je Tsongkhapa.
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Hall, Jay. "Editorial: Now we are 10 and occasional." Queensland Archaeological Research 10 (December 1, 1996): ii—iii. http://dx.doi.org/10.25120/qar.10.1996.95.
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When I first launched QAR in 1984, I really didn’t think much about its long-term future. I simply wanted to produce a series which would cater for the publication of Queensland-based archaeological research, and especially the substantive material that so often became locked up in theses and reports, seldom to see wider publication. But now that Volume 10 is on my desk I have come to realise that it has served this purpose quite well over the years. The only disappointment to come from my association with this journal is that it is no longer issued annually. As most subscribers will know, the decision to issue the journal occasionally after Volume 9 was forced upon me by a single and very simple fact – a dip in the submission of manuscripts over the past few years. This phenomenon was unexpected as it flew in the face of a steady increase of submissions since the 1984 launch. Furthermore, the slump continues despite numerous pleas and much cajoling of potential contributors, especially among the ranks of recent archaeology graduates with smoking-hot thesis results. Some such individuals of my acquaintance argued that they wanted to publish less substantive overviews in international journals before committing themselves to what they perceived as the ‘boring’ task of preparing descriptive manuscripts concerning the substance of the archaeological record. While some of these have achieved the first goal, few have yet published details of their research. One or two even gained employment on the strength of their international publications – and good for them! Others had very good intentions but never got around to writing anything for publication while a few, having gained their Honours BA degrees after a year of anxiety, were simply not interested in what they perceived as prolonging the agony and subsequently sloped off into the hills of obscurity beyond academe. Whatever the reason, the result is that QAR, a journal designed as a vehicle for site reports and other more descriptive and substantive information, has become occasional rather than annual.I regard this matter of non-publication of substantive data, especially from theses, as a fairly serious issue in our discipline in Australia and cite several reasons why I regard it so. First, there is the problem of accessibility of theses. There was a time, some twenty or so years ago, when the archaeological community was so small and homogeneous that we had little trouble in keeping track of important Ph.D. and Honours BA research results. Furthermore, it was relatively easy and inexpensive to access the few theses being produced by our universities each year. It was simply a matter of contacting the authors and asking for a copy of their thesis, or at least permission to photocopy it. Today, this is no longer the case. As more and more theses are produced each year in line with the growth and diversification of our discipline, it is becoming increasingly difficult to keep abreast of this new knowledge in the traditional way. Furthermore, as the years pass and individuals for various reasons drop out of the archaeological community, it becomes increasingly difficult to track them down.Second, while most of us realise that theses (and especially 4th-year BA theses) are usually far from perfect in terms of scholarship, organisation, and written expression, they often contain a considerable body of descriptive and quantitative information which is valuable for comparative research purposes. Unfortunately, journal editors normally want to publish general articles and do not accept a great deal of substantive data. Despite the sometimes highly touted interpretive conclusions of theses, when all is said and done, it is the descriptive information which forms the basis of such interpretations and it is this information which remains to be reinterpreted by future researchers. If it remains locked up in theses we as a community of scholars run the risk of missing out on valuable data. It is far better for the archaeological community that such information be published in a more accessible (and more scholarly) form.Thirdly, I raise a moral issue which was first brought to my attention many years ago while taking an introductory archaeology subject from Professor Jesse D. Jennings at the University of Utah. Jennings spent a considerable portion of one lecture to inform we incipient archaeologists of our obligations to the discipline. Of several points made, the one which particularly stuck in my mind was the obligation we have to the scientific community to present all our field and laboratory findings in a published form as soon as possible. Indeed, he was such a stickler on this point that before formal postgraduate degrees were awarded in archaeology, substantive material deriving from field-based thesis research had to be published. While not proposing that such a tough measure be taken in Australian universities, I do think that we should take appropriate steps to ensure that budding archaeologists (and some mature ones also) are reminded of this obligation to their discipline. The ways in which this can be accomplished are several and so obvious that I shall not take time to point them out here. Suffice it to say that, in my opinion, this obligation which has tended to be overlooked by many in the drive to publish in international journals, should be openly stressed more often.Turning now to this 10th anniversary volume, we celebrate the occasion by charging subscribers only $10 ($1 for each year of the series). This is made possible in part by a change to a new printing firm which has significantly reduced production costs and in part by the growth of a small surplus in our budget over the past few years. I also take this opportunity to heartily thank the members of the QAR Editorial Board and others who have been involved in the refereeing process and who have contributed in numerous other ways over the years.I end this piece with an invitation to all those with sites excavated but unpublished to send in your site reports, be they strictly Queensland-oriented or otherwise. I for my part pledge to attend to all submitted manuscripts without delay, so that they may be refereed and published as quickly as possible.Jay Hall – Editor
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Howe, Adam E. "Discourses of Exclusion: The Societal Securitization of Burma’s Rohingya (2012–2018)." Journal of Asian Security and International Affairs 5, no. 3 (2018): 245–66. http://dx.doi.org/10.1177/2347797018799000.
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The contemporary persecution of Burma’s Rohingya has rapidly evolved from isolated episodes of communal violence into a global humanitarian crisis. The article analyses the evolution of the recent violence in Rakhine State from 2012 to the present. Specifically, I argue that Buddhist nationalist monks, including members of the ‘969’ Movement and Ma Ba Tha, in concert with the Burmese government, have acted as authoritative voices in society, depicting the Rohingya ethno-religious group as an existential threat to the country’s majority Buddhist population. As such, hate-filled rhetoric has provided a politically unstable Burmese regime with an ideological justification for human rights abuses committed in Rakhine State. This phenomenon is analysed through Barry Buzan and Ole Waever’s securitization thesis as a means of better understanding the discursive relationship among Buddhist nationalist monks, the Burmese government and the Burmese Buddhists. Ontologically, this article focuses on anti-Rohingya discourse and major episodes of violence in western Burma’s Rakhine State from 2012 to 2018. As a discursive process, securitization has not merely amplified Islamophobia within Burma, but significantly endangers future generations of Rohingya civilians.
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Rothmund, Irene Velten. "Daring in dance–Bachelor Students in Dance Developing Life Skills for the 21st Century." Nordic Journal of Dance 11, no. 2 (2020): 30–40. http://dx.doi.org/10.2478/njd-2020-0011.
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Abstract This article investigates how to find connections between dance education and the development of life skills for the 21st century by interpreting students’ experiences of daring in dance. The article draws on a section of my PhD thesis that focuses on BA students’ lived experiences in modern and contemporary dance. The project is informed by hermeneutic phenomenology, and the material consists of eleven students log books and interviews. One of the main themes in the material is daring in dance, which is connected to a transformative learning process. In this article I dig more deeply into the embodied dimension of such learning process and discuss how the result of this process can be interpreted as developing life skills for the 21st century. The analysis shows that becoming a professional dancer is a vulnerable process, encompassing both fear of failure and learning to trust one’s own competencies. Several of these competencies point toward skills recognised as important to learning in the 21st century, such as flexibility, problem solving, self-direction and social skills. By focusing on everyday embodied experiences of daring in dance, this research provides one example of the development of life skills in higher education based in empirical research.
Dissertations / Theses on the topic "BA thesis"
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Makgato, M. M. "Tshenolo ya baanelwa ba basadi ka bakwalakhutshwe ba setswana." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-11032006-123012.
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Thobakgale, Raphehli Michael. "Khuetso ya O.K. Matsepe go bangwadi ba sePedi." Pretoria : [s.n.], 2001. http://upetd.up.ac.za/thesis/available/etd-11032006-190605.
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J, Burger Lee. "Bakgatla ba kgafela design proposal for the cultural precinct of Saulspoort, Pilanesberg /." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-03132007-174153.
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Militon, Christian. "La metallogenie polyphasee a zn-pb-ba-f et mg-fe de la region de gedre-gavarnie-barroude (hautes-pyrenees)." Orléans, 1987. https://tel.archives-ouvertes.fr/tel-00798146.
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Une prospection geologique systematique de ces terrains a conduit a la reconnaissance de quatre principaux types de mineralisations dans le socle, le devonien inferieur et le cretace : 1 - une mineralisation stratiforme a zn-pb-ba-f de type sedimentaire - exhalatif omnipresente au sommet de la barre calcaire emsienne (devonien inferieur). 2 - de nombreux filons de types b. P. G. C. A gangue de siderite avec, pour certains, presence importante de barytine ou de fluorine ; ces filons correspondent a une phase de mineralisation tardi-hercynienne, probablement en liaison avec une phase tectonique compressive impliquant un contexte decrochant a composante cisaillante senestre, evoluant progressivement vers une distension nord-sud. 3 - des amas metasomatiques a mg-fe dans la barre calcaire emsienne, pouvant representer le sommet du systeme hydrothermal responsable des filons tardi-hercyniens du socle. 4 - la dissemination de galene dans les calcaires du santonien et de petits amas decimetriques de barytine secants sur la dolomie greseuse du cenomanien ; ces indices traduisent la remobilisation de filons tardi-hercyniens principalement d'apres l'identite des compositions isotopiques du plomb.
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Leahy, Patrick. "The Works of Eduardo Bähr: Bringing a Seldom-Heard Voice to a Wider Audience." Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/LeahyP2008.pdf.
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Barlow, Fred D. "Thick film Y₁Ba₂Cu₃Ox on buffered ceramic substrates /." This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12042009-020146/.
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Jongen, Nathalie. "Contrôle de la composition, de la morphologie et de la granulométrie des oxalates de Y, Ba et Cu précipités en milieu aqueux /." [S.l.] : [s.n.], 1998. http://library.epfl.ch/theses/?nr=1846.
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Barkhuizen, Gerhard Thomas. "Die impak van die skrapping van artikel 11(bA) op die aftrekbaarheid van voorproduksie lenings kommissie aangegaan in die uitbreiding van 'n bestaande bedryf." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/95877.
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Thesis (MAcc) --Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: The study explores the question as to whether income taxpayers are in a more disadvantaged position due to the deletion of section 11(bA) and the replacement thereof with section 11A of the Income Tax Act No.58 of 1962 specifically regarding pre-production raising fees incurred during the expansion of an existing industry.
It was found in CSARS v South African Custodial Services (Pty) Ltd that raising fees can be read in under the phrase interest and related finance cost as found in section 11 (bA) and therefore deductible under this provision. Section 11 (bA) was however recently deleted from the South African Income Tax Act and replaced with section 11A. In terms of judicial precedent, stare decisis, it was proved that raising fees will also be deductible in terms of section 24J (section 24J regulates and determines the amount of pre-production raising fees that may be deducted for income tax purposes in terms of section 11A).
It was found that pre-production raising fees incurred will be ring-fenced in terms of section 11A until such a time that sufficient taxable income is generated from that specific industry that is being expanded. Section 11 (bA) contains no such ring-fencing restrictions and thus an assessed loss may be created and used against other taxable income of the taxpayer. It was also found that the income tax position of raising fees incurred by the taxpayer is determined by the exact time that the entity starts with the carrying on of a trade in terms of section 11 (bA) and section 11A. To answer the question satisfactorily, four scenarios were examined all with different stages where pre-production raising fees will be deductible in terms of section 11 (bA) and section 11A. The present value of the pre-production raising fees deduction calculated in terms of section 11(bA) and section 11A are compared against each other to ascertain whether or not the income taxpayer is in a more disadvantaged position due to the deletion of section 11(bA) and the replacement thereof with section 11A. It was found that the deletion of section 11 (bA) and the replacement thereof with section 11A is in most cases more detrimental to the taxpayer.<br>AFRIKAANSE OPSOMMING: Die doel van die studie is om die vraagstuk te ondersoek of belastingpligtiges in ʼn meer nadelige posisie is as gevolg van die skrapping van artikel 11(bA) en vervanging daarvan met artikel 11A van die Inkomstebelastingwet No.58 van 1962 spesifiek in verband met voorproduksie-leningskommissie aangegaan tydens die uitbreiding van ʼn bestaande bedryf.
Daar word in CSARS v South African Custodial Services (Pty) Ltd bevind dat leningskommissie ingelees kan word onder die frase rente en verwante finansieringskoste soos gevind in artikel 11(bA) en dus aftrekbaar is in terme van hierdie bepaling. Artikel 11(bA) is egter onlangs uit die Suid-Afrikaanse Inkomstebelastingwetgewing geskrap en met artikel 11A vervang. In terme van regspresedent, stare decisis, is daar bewys dat leningskommissie ook aftrekbaar is in terme van artikel 24J (wat die aftrekkingsbedrag in terme van artikel 11A reguleer en dus ook aftrekbaar in terme van artikel 11A is).
Daar is bevind dat voorproduksie-leningskommissie aangegaan omhein sal word in terme van artikel 11A tot en met die tydstip dat daar genoegsame belasbare inkomste is uit die spesifieke bedryf wat uitgebrei word waarteen hierdie uitgawes afgespeel kan word. Artikel 11(bA) bevat egter geen omheiningsbeperking nie en dus kan ʼn aangeslane verlies geskep en aangewend word teen die belasbare inkomste van die bedrywe wat deur die belastingpligtige verdien word. Daar is verder ook bevind dat die inkomstebelastingposisie van die leningskommissie deur die belastingpligtige aangegaan, bepaal word deur die tydstip waarop die bedryf in aanvang geneem word in terme van artikel 11(bA) en artikel 11A. Ten einde die vraagstuk bevredigend te beantwoord, word vier scenario’s ondersoek wat die aftrekking van voorproduksie-leningskommissie vir inkomstebelastingdoeleindes op verskillende tye ondersoek en vergelyk in terme van artikel 11(bA) en artikel 11A. Die huidige waarde van die voorproduksie-leningskommissie-aftrekking in terme van bogenoemde artikels word met mekaar vergelyk om tot ʼn slotsom te kom rakende of die belastingpligtige in ʼn meer nadelige posisie is as gevolg van die skrapping van artikel 11(bA) en vervanging daarvan met artikel 11A. Daar word bevind dat die skrapping van artikel 11(bA) en vervanging daarvan met artikel 11A in meeste gevalle meer nadelig vir die belastingpligtige is.
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Hamilton, Gillian Kay. "Testing an alternative measure of progress : the case of the Bakgatla-ba- Kgafela Nation." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20154.
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Thesis (MPhil)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: An alternative measure of progress to GDP was evaluated in the Bakgatla-Ba-Kgafela tribe
(in total N = 119) using subjective wellbeing or happiness. The major dimensions of
happiness were assumed to be physical, mental, social, spiritual, educational,
environmental, occupational, and financial wellbeing or income and governance. Amongst
the Bakgatla, correlation testing identified two clusters or core sub-sets of relationships,
based on the strength of relationships, which appear to work in parallel to one another, with
divergent outcomes of either increased happiness or income. The first cluster is related to
traditional economic rationality and consists of Education Level, Income and Employment
Security. The second cluster, more closely related to principles of sustainable development,
consists of Social Wellbeing, Environmental Wellbeing and Happiness. An insignificant
correlation between Income and Happiness exists.
A multiple regression analysis was conducted with Happiness as the dependent variable and
the major wellbeing dimensions as the independent variables (R² = .286). Statistically
significant Standardized Beta’s calculated in the regression analysis are Social wellbeing
(0.464), Educational level (-0.226), Governance (0.205) and Physical wellbeing (0.194).
Although a cause-and-effect relationship can’t be assumed, the supposition is that ceteris
paribus:
• Happy people tend to have higher levels of social wellbeing or social capital;
• The more educated people are, the less happy they are;
• The more trust people have in public institutions and the state, the happier they are;
and
• Happy people tend to be healthier.
Therefore, holding all other explanatory variables constant, it can be assumed that income
has no bearing on subjective wellbeing. Therefore we reject the Null Hypothesis that the
Bakgatla’s progress is purely determined by their annual per capita income.
The relationship between income and subjective wellbeing for the Bakgatla follows global
patterns - an initial increase in happiness as income increases is pronounced but ‘flattens’
somewhat as a higher level of income is reached and diminishes as very high levels of
income are achieved. The critical turning point where income has a diminishing rate of return
on satisfaction is around R20 000 per annum per person. This corroborates the human
needs theories which proposes that a hierarchy of needs for human beings exist and until
the basic needs are met, higher needs cannot be met.
The present findings have implications for the Bakgatla: in order to increase happiness and
promote development, the Bakgatla should focus on four key aspects: meeting basic needs;
increasing social capital; increasing trust in the Tribal Authorities; and improving physical
health. In addition, education and environmental wellbeing should also be focal points but
changes need to be made to the education curriculum so that there is a strong focus on
sustainable development. An important policy implication that the Bakgatla need to consider,
is balancing the needs of the current generation with the needs of future generations.
Economic growth or income may bring a certain amount of happiness; environmental
destruction, crime and human health implications may outweigh these benefits and
happiness in both the current and future generations.<br>AFRIKAANSE OPSOMMING: In hierdie studie is subjektiewe welstand of geluk as alternatief vir bruto binnelandse produk
(BBP) as vooruitgangsmaatstaf by die Bakgatla-Ba-Kgafela-stam (altesaam N = 119)
ondersoek. Die veronderstelde hoofaspekte van geluk wat in die studie getoets is, is fisiese
welstand, geesteswelstand, maatskaplike welstand, spirituele welstand, opvoedkundige
welstand, omgewingswelstand, beroepswelstand, finansiële welstand of inkomste, en
bestuur. Korrelasietoetse onder die Bakgatla het twee beduidende groepe of kernsubstelle
verwantskappe uitgewys, welke groepe oënskynlik gelyklopend funksioneer, met
uiteenlopende dog nieverwante uitkomste van hetsy verhoogde geluk of verhoogde
inkomste. Die eerste groep hou verband met tradisionele ekonomiese rasionaliteit, en
bestaan uit onderrigvlak, inkomste en werksekerheid. Die tweede groep, wat eerder met
beginsels van volhoubare ontwikkeling saamhang, bestaan uit maatskaplike welstand,
omgewingswelstand en geluk. Die studie toon onbeduidende verband tussen inkomste en
geluk.
Meervoudige regressieontleding is met geluk as afhanklike veranderlike en die
hoofwelstandsaspekte as onafhanklike veranderlikes uitgevoer (R² = 0,286). Statisties
beduidende gestandaardiseerde betakoëffisiënte wat in die regressieontleding bereken is, is
maatskaplike welstand (0,464), opvoedingsvlak (-0,226), bestuur (0,205) en fisiese welstand
(0,194). Hoewel oorsaak-en-gevolg-verwantskap nie aanvaar kan word nie, word daar
vermoed dat, met alle ander faktore gelyk:
• gelukkige mense geneig is om hoër vlakke van maatskaplike welstand of
maatskaplike kapitaal te geniet;
• hoe meer opgevoed mense is, hoe ongelukkiger is hulle;
• hoe meer vertroue mense in openbare instellings en die staat het, hoe gelukkiger is
hulle; en
• gelukkige mense geneig is om gesonder te wees.
Indien alle ander verklarende veranderlikes konstant gehou word, word daar dus aanvaar
dat inkomste geen verband met subjektiewe welstand toon nie. Daarom word die
nulhipotese dat die Bakgatla se vooruitgang alleenlik deur hul jaarlikse inkomste per capita
bepaal word, verwerp.
Die verwantskap tussen inkomste en subjektiewe welstand vir die Bakgatla volg
internasionale patrone: Aanvanklik neem geluk duidelik toe namate inkomste verhoog, plat
dan effens af namate hoër inkomstevlak bereik word, en verminder aansienlik wanneer
baie hoë inkomstevlakke bereik word. Die kritiese draaipunt waar inkomste verlaagde
opbrengskoers op tevredenheid toon, is sowat R20 000 per jaar per persoon. Dít staaf die
menslikebehoefte-teorie wat aan die hand doen dat mense oor hiërargie van behoeftes
beskik en dat daar eers in basiese behoeftes voorsien moet word voordat behoeftes hoër op
in die hiërargie aan die beurt kan kom.
Hierdie bevindinge het bepaalde implikasies vir die Bakgatla: Ten einde geluk te verhoog en
ontwikkeling aan te moedig, behoort die Bakgatla op vier kernaspekte te konsentreer,
naamlik voorsiening in basiese behoeftes, die vermeerdering van maatskaplike kapitaal, die
verhoging van vertroue in die stamowerhede, en verbetering van liggaamlike gesondheid.
Voorts behoort opvoedkundige en omgewingswelstand ook fokuspunte te wees, maar moet
die onderrigkurrikulum aangepas word om sterker klem op volhoubare ontwikkeling te plaas.
Belangrike beleidsimplikasie wat die Bakgatla moet oorweeg, is om ewewig te vind
tussen die behoeftes van die huidige geslag en die behoeftes van toekomstige geslagte.
Ekonomiese groei of inkomste kan inderdaad sekere hoeveelheid geluk skep. Tog kan
omgewingsvernietiging, misdaad en swak menslike gesondheid hierdie voordele en geluk in
sowel die huidige as toekomstige geslagte oorskadu.
Bykomende navorsing word vir die toekoms aanbeveel.
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Ba, Cissé. "Étude épistémologique et didactique de l’utilisation du vecteur en mathématiques et en physique : lien entre mouvement de translation et translation mathématique." Lyon 1, 2007. http://tel.archives-ouvertes.fr/docs/00/19/22/41/PDF/These-BA-2007.pdf.
Full textAbstract:
L’objet de ce travail est une étude épistémologique et didactique sur les liens entre mathématiques et physique à propos des concepts de vecteur et de translation d’une part et de grandeurs physiques vectorielles et de mouvement de translation d’autre part, en France et au Sénégal. En nous situant dans le cadre de la théorie de l’anthropologie didactique des savoirs de Chevallard, nous examinons les points suivants : Etude de l’histoire de ces concepts et de leur enseignement (Analyse écologique) ; Analyse des conditions actuelles de leur enseignement à travers une analyse des programmes et de manuels de mathématiques et de physique (Analyse institutionnelle) ; Étude des rapports personnels des enseignants des deux disciplines et des élèves aux objets de savoir en jeu et aux liens éventuels entre les deux disciplines. Dans notre conclusion, nous présenterons des perspectives sur une expérimentation d’un cours à deux voix sur les mouvements de translation<br>In this work, we present an epistemological and didactical study of the relation between mathematics and physics about the concepts of vector and translation on one side and forces and velocity and movement of translation on another side, in France and Senegal. From the theoretical perspective of the didactic anthropology developed by Chevallard, we analyse the following points : Historical study of the concepts and their teaching (ecological analysis) ; Analysis of the present conditions of the teaching, through curriculum and textbooks in mathematics and physics (institutional analysis). Study of personal relations of teachers of both subjects and also students regarding the concepts at stake and the links thy make between mathematics and physics. In our conclusion, we present perspectives about experimentation with teachers from disciplines on the movement of translation
Books on the topic "BA thesis"
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Printing, London College of. BA Graphics thesis 1988: Communicating AIDS. LCP, 1988.
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Printing, London College of. BA Graphics thesis 1985: Magic and advertising. LCP, 1985.
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Printing, London College of. BA Graphics thesis 1988: Ethiopia's Christian art. LCP, 1988.
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Printing, London College of. contemporary advertising: Thesis for BA PFT 1986. LCP, 1986.
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Printing, London College of. BA Graphics thesis 1989: Graphic design in Portugal. LCP, 1989.
Find full textBook chapters on the topic "BA thesis"
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Salski, Łukasz, and Weronika Szubko-Sitarek. "BA Thesis Writing Process and Pre-service Teachers’ Beliefs on Teaching Writing." In Second Language Learning and Teaching. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30373-4_8.
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Wan, Dongyang. "Comparison of Water Splitting Efficiencies of MNbO3-δ (M = Ca, Sr, Ba)." In Springer Theses. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65912-1_4.
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Wan, Dongyang. "The Nonlinear Optical Properties of MNbO3 (M = Ca, Sr, Ba) Thin Films." In Springer Theses. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65912-1_6.
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Bluschke, Martin. "Charge Order in (Ca$$_x$$La$$_{1-x}$$)(Ba$$_{1.75-x}$$La$$_{0.25+x}$$)Cu$$_3$$O$$_y$$ Single Crystals." In Springer Theses. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47902-2_4.
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Tinchev, S. S., and J. H. Hinken. "Two-Loop Y-Ba-Cu-O RF-SQUID Magnetometer." In Superconducting Devices and Their Applications. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77457-7_17.
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Koneczniak, Grzegorz. "Alice Munro at Polish Universities: An Analysis of Selected Academic Texts, Including BA, MA and PhD Theses." In Alice Munro. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-24061-9_14.
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Tinchev, S. S., and A. Baranyak. "Enhancement of the Superconducting Transition Temperature of Y-Ba-Cu-O Thin Films by Silver Over-Layer Deposition." In Superconducting Devices and Their Applications. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77457-7_12.
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Tsukeda, Tadayoshi, Ryouhei Uchida, Ken Saito, et al. "Effects of Alloying Elements of the Creep Resistance of Thixomolded Mg-Al-Ca-X (X=Si, Zn, Mm, Ba, Sr) Alloys." In Magnesium Alloys and their Applications. Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607552.ch8.
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Ling, Jin, and Nadezda Sorokina. "Visualizing and Comparing Online Travel Reviews of the Great Walls: A Data Mining Approach." In Information and Communication Technologies in Tourism 2022. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94751-4_39.
Full textAbstract:
AbstractThis research employs two samples of heritage sites of the Great Wall of China (Ba daling Great Wall and Mu tianyu Great Wall) and their 21000 reviews on TripAdvisor to visualize and induce feature-related comparisons. Word2vec and D3.js are applied for statistical computing and graphing Minimal Spanning Tree (MST) and ThemeRiver. The applications of MST and ThemeRiver are used to delineate outstanding features and clearer feature relationships. In terms of methodology, we applied an innovative research route to combine MST with ThemeRiver to visualize travellers’ online comments. At the same time, the visual results obtained are combined with qualitative analysis to generate valuable, intuitive summaries that can be used for reference in future research. Practically, the results disclose that although both sites are highly enjoyed by tourists, they are significantly different in terms of service, infrastructure and scenery. This article has implications for policymakers and practitioners with regard to making use of online reviews to gather authentic visitor comments on the Great Wall.
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Ma, C. G., and M. G. Brik. "First-Principles Calculations of Structural, Elastic, Electronic, and Optical Properties of Pure and Tm2+-Doped Alkali‒Earth Chlorides MCl2 (M = Ca, Sr, and Ba)." In Phosphors, Up Conversion Nano Particles, Quantum Dots and Their Applications. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-52771-9_5.
Full textConference papers on the topic "BA thesis"
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Zeid, Ibrahim, Marina Bograd, Claire Duggan, and Chitra Javdekar. "Internship and Experiential Learning Model for Liberal Arts Graduates to Prepare Them for Advanced Manufacturing Careers." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67166.
Full textAbstract:
Liberal Arts (BA) graduates are, more often than not, either underemployed or unemployed in the field(s) for which they received their degree. This is more so true in hard economic and recessionary times. It is also well known that BA graduates are well rounded by virtue of their education and are more adept at changing careers. Advanced manufacturing is one such career where BA graduates may excel, especially in entry-level positions such as CAD operators, CNC programmers, production supervisors, and in support staff roles. The challenge is how to prepare these non-technical majors (BA graduates) for technical careers (advanced manufacturing). This paper presents an internship model that is part of a 12-month fast track certificate in advanced manufacturing to enable BA graduates to gain both the technical skills and experiential knowledge they need to secure jobs in advanced manufacturing. This paper describes the certificate academic program, corresponding courses, and the recruitment process of BA graduates to provide context. It then focuses on the details of the internship model: recruiting industry partners to provide internships, preparing students for the internships, the management and support system of these internships, and lessons learned so far. These research findings are part of an NSF, 3-year grant that investigates a transformation model of BA graduates for careers in advanced manufacturing.
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Cho, Yung-Zun, In-Tae Kim, Hee-Chul Yang, Hee-Chul Eun, Hwan-Seo Park, and Eung-Ho Kim. "Removal of Alkaline-Earth Elements by a Carbonate Precipitation in a Chloride Molten Salt." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7288.
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Separation of some alkaline-earth chlorides (Sr, Ba) was investigated by using carbonate injection method in LiCl-KCl eutectic and LiCl molten salts. The effects of the injected molar ratio of carbonate ([K2 (or Li2)CO3/Sr (or Ba)Cl2]) and the temperature (450–750 °C) on the conversion ratio of the Sr or Ba carbonate were determined. In addition, the form of the Sr and Ba carbonate resulting from the carbonation reaction with carbonates was identified via XRD and SEM-EDS analysis. In these experiments, the carbonate injection method can remove Sr and Ba chlorides effectively over 99% in both LiCl-KCl eutectic and LiCl molten salt conditions. When Sr and Ba were co-presented in the eutectic molten salt, they were carbonated in a form of Ba0.5Sr0.3CO3. And when Sr was present in LiCl molten salt, it was carbonated in the form of SrCO3. Carbonation ratio increased with a decreasing temperature and it was more favorable in the case of a K2CO3 injection than that of Li2CO3. Based on this experiment, it is postulated that carbonate precipitation method has the potential for removing alkali-earth chlorides from LiCl-KCl eutectic and LiCl molten salts.
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Lovecký, Martin, Jan Prehradný, and Radek Škoda. "Burnable Absorber Selection With UWB1 Depletion Code." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30870.
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Research of nuclear reactor fuel depletion aims at development and introduction of advanced types of burnable absorbers (BA) applied within nuclear fuel. BAs compensate for the initial reactivity excess and consequently may allow for lower power peaking factors and longer fuel cycles with higher fuel enrichments. Modern computer codes for nuclear fuel depletion calculation require a substantial amount of computational time. Therefore, any parametric calculations for BA selection need to be carried out only with a fast depletion code. The main purpose of the newly developed UWB1 code is a rapid calculation of nuclear fuel depletion, which is achieved by the approximations in the equations describing transport part of fuel depletion. Microscopic cross sections are assumed to be constant through depletion calculation steps. The paper describes the first step of analysis using a new version of UWB1, that was accomplished with the assumption of uniformly distributed BA in fuel. BA elements, nuclides and nuclide mixtures were compared and their performance was consequently evaluated based on multiplication coefficient behavior during depletion.
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Madeyski, Lech, and Barbara Kitchenham. "Effect sizes and their variance for AB/BA crossover design studies." In ICSE '18: 40th International Conference on Software Engineering. ACM, 2018. http://dx.doi.org/10.1145/3180155.3182556.
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Patel, Dhruv, Devendra Parmar, and Siddharthsinh Jadeja. "Influence of Ca-Ba and Sr Base Inoculants on Metallurgical and Mechanical Properties of Grey and Ductile Cast Irons." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86448.
Full textAbstract:
Microstructural adaptation of cast iron alloys by inoculation is a well-known practice to swell their mechanical properties. In foundries, several inoculants have been used to refine grain structure, and to obtain uniform distribution of graphite flakes. Inoculation is one of the most critical steps in cast iron production. The effectiveness of inoculants depends on melt temperature, method of addition, type of inoculants, and holding time. In this paper, the effect of Ca-based, Ba-based, Ca-Ba based and Sr-based inoculants on microstructure and tensile properties of grey cast iron IS-210 and spheroidal graphite iron IS-1862 is reported. Results showed both Ca and Ba based inoculants were effective in obtaining uniform distribution of flaky and nodular graphite in IS-210, and IS-1862 cast irons, respectively. But in a case of Sr-based inoculant were highly effective for increase the nodularity of SG cast iron as well as succeed supreme yield strength for both grey and ductile cast iron. The amounts of ferrite in the as-cast matrix are excess with controlled granulometry for elimination of primary carbide in Sr-based inoculant.
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Wygrala, Bjorn Peter, Ivan Karpenko, and Felipe Rodriguez Monreal. "Strategic Value of Basin Analysis Teams in Exploration – Applications in Ukraine." In SPE Eastern Europe Subsurface Conference. SPE, 2021. http://dx.doi.org/10.2118/208528-ms.
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Abstract A proven approach in exploration management is to establish multi-disciplinary Basin Analysis (BA) Teams that follow industry best practices and standardized procedures to deliver geologic risk assessments to both management and asset teams. Team members have the ability to provide a combination of specific technical expertise that is used to develop long-term foundation knowledge of basins and plays, but at the same time enables them to react to management and asset team requests for rapid assessments such as block and prospect risking/ranking and investigations of specific geologic challenges. In this paper, we review requirements for the establishment of successful Basin Analysis (BA) teams and provide examples of methodologies, strategies and technical workflows that are being applied to address exploration challenges in the three main exploration target areas in Ukraine, the Western Black Sea (WBS), the Dieper-Donets Basin (DDB) and the Carpathians are in Western Ukraine. For each of these target areas, we provide an example of a BA Team strategy that is followed to address specific exploration challenges. The application of industry standard best practices in exploration by a dedicated expert team and close cooperation with asset and technical teams within the organisation ensures that these engagements will make an important contribution to improve the efficiency and success rates of exploration activities in Ukraine.
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Horikawa, Keiji, Yuki Tezuka, Takashi Miyazaki, and Shigeyuki Wakaki. "Ba Stable Isotopes and their Relationship with Salinity in the East China Sea." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1061.
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Hendron, Robert, Mark Eastment, Ed Hancock, Greg Barker, and Paul Reeves. "Evaluation of a High-Performance Solar Home in Loveland, Colorado." In ASME 2005 International Solar Energy Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/isec2005-76231.
Full textAbstract:
Building America (BA) partner McStain Neighborhoods built the Discovery House in Loveland, Colorado, with an extensive package of energy-efficient features, including a high-performance envelope, efficient mechanical systems, a solar water heater integrated with the space-heating system, a heat-recovery ventilator (HRV), and ENERGY STAR™ appliances. The National Renewable Energy Laboratory (NREL) and Building Science Consortium (BSC) conducted short-term field-testing and building energy simulations to evaluate the performance of the house. These evaluations are utilized by BA to improve future prototype designs and to identify critical research needs. The Discovery House building envelope and ducts were very tight under normal operating conditions. The HRV provided fresh air at a rate of about 75 cfm (35 l/s), consistent with the recommendations of ASHRAE Standard 62.2. The solar hot water system is expected to meet the bulk of the domestic hot water (DHW) load (&gt;83%), but only about 12% of the space-heating load. DOE-2.2 simulations predict whole-house source energy savings of 54% compared to the BA Benchmark [1]. The largest contributors to energy savings beyond McStain’s standard practice are the solar water heater, HRV, improved air distribution, high-efficiency boiler, and compact fluorescent lighting package.
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Kaushik, Sandipan, Mohammed Sonebi, Giuseppina Amato, Arnaud Perrot, and Utpal Kumar Das. "Effect of Mix Proportions on Fresh and Rheological Properties of Cementitious Mixture Containing Natural Fibre: Modelling Using Factorial Design." In 4th International Conference on Bio-Based Building Materials. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.309.
Full textAbstract:
This paper aims to discuss the influence of mix composition of cement mortar on fresh and rheological properties of cement mortar. Two different natural fibres, basalt (BA) and sisal (SL) are selected based on fresh and rheological behaviour for its usability in a cementitious mixture. The workability and rheological behaviour are evaluated by flow table test, cone penetrometer and slump test of the mixture. A full factorial design method was used to investigate the effects of four mix components: dosage of cement content (B), percentage of fly-ash (FA) by mass of cement, dosage of basalt fibre (BA) and dosage of superplasticizer (SP) along with a water/binder ratio of 0.41. A mathematical model which predicts the main effect and interactions of these components for each of the measured properties are derived using the factorial design. The proposed mixtures consist of two levels of binder content as 550 kg/m3 and 650 kg/m3, FA as 5% and 20% by mass of cement, BA as 1 kg/m3 to 3 kg/m3 and SP as 2 kg/m3 to 4 kg/m3. By reducing the number of test batches needed, the mathematical models produced with this method can expedite optimizing the mixture proportions of cement mortar to achieve desired fresh and rheological properties.
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Sobolewski, Roman, Lei Shi, Ting Gong, et al. "Femtosecond optical response of Y-Ba-Cu-O films and their applications in optoelectronics." In OE/LASE '94, edited by Michael Nahum and Jean-Claude Villegier. SPIE, 1994. http://dx.doi.org/10.1117/12.176136.
Full textReports on the topic "BA thesis"
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Paradis, S., G. J. Simandl, N. Drage, R J D'Souza, D. J. Kontak, and Z. Waller. Carbonate-hosted deposits (Mississippi Valley-type, magnesite, and REE-F-Ba) of the southeastern Canadian Cordillera: a review and isotopic data comparison. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/327995.
Full textAbstract:
The Mississippi Valley-type, magnesite, and REE-F-Ba deposits in the southeastern Canadian Cordillera are in the weakly deformed/metamorphosed Paleozoic carbonate platform of the Rocky Mountains. Most are hosted in dolostones of the middle Cambrian Cathedral, upper Cambrian Jubilee, and Upper Devonian Palliser formations and spatially associated with hydrothermal dolomite. They occur along structurally controlled facies transitions between the shallow-water carbonate platform and deeper water basin rocks of the Paleozoic continental margin. Their location and morphology reflect episodic rifting along the Paleozoic margin. The carbonate protolith was replaced by fine-grained 'replacive dolomite' followed by several stages of coarser saccharoidal, sparry, and saddle dolomites and sulfides replacing dolostone and filling open spaces. The 87Sr/86Sr, delta-18O, delta-13C, and fluid-inclusion data are consistent with high-temperature fluids interacting with host rocks and show influence of adjacent or underlying siliciclastic rocks. The large range of delta-34S values of sulfides suggests that thermochemical sulfate reduction of seawater sulfate was the main sulfur-reducing process, but bacterial sulfate reduction also occurred locally. Lead isotopes suggest a mixing trend involving highly radiogenic and non-radiogenic end members. These observations are consistent with hydrothermal fluids replacing protoliths, precipitating sulfides, and possibly REE-F-Ba mineralization.
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Friedman, Haya, Chris Watkins, Susan Lurie, and Susheng Gan. Dark-induced Reactive Oxygen Species Accumulation and Inhibition by Gibberellins: Towards Inhibition of Postharvest Senescence. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7613883.bard.
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Dark-induced senescence could pose a major problem in export of various crops including cuttings. The assumption of this work was that ROS which is increased at a specific organelle can serve as a signal for activation of cell senescence program. Hormones which reduce senescence in several crops like gibberellic acid (GA) and possibly cytokinin (CK) may reduce senescence by inhibiting this signal. In this study we worked on Pelargonium cuttings as well as Arabidopsis rosette. In Pelargonium the increase in ROS occurred concomitantly with increase in two SAGs, and the increase persisted in isolated chloroplasts. In Arabidopsis we used two recentlydeveloped technologies to examine these hypotheses; one is a transcriptome approach which, on one hand, enabled to monitor expression of genes within the antioxidants network, and on the other hand, determine organelle-specific ROS-related transcriptome footprint. This last approach was further developed to an assay (so called ROSmeter) for determination of the ROS-footprint resulting from defined ROS stresses. The second approach involved the monitoring of changes in the redox poise in different organelles by measuring fluorescence ratio of redox-sensitive GFP (roGFP) directed to plastids, mitochondria, peroxisome and cytoplasm. By using the roGFP we determined that the mitochondria environment is oxidized as early as the first day under darkness, and this is followed by oxidation of the peroxisome on the second day and the cytoplast on the third day. The plastids became less oxidized at the first day of darkness and this was followed by a gradual increase in oxidation. The results with the ROS-related transcriptome footprint showed early changes in ROS-related transcriptome footprint emanating from mitochondria and peroxisomes. Taken together these results suggest that the first ROS-related change occurred in mitochondria and peroxisomes. The analysis of antioxidative gene’s network did not yield any clear results about the changes occurring in antioxidative status during extended darkness. Nevertheless, there is a reduction in expression of many of the plastids antioxidative related genes. This may explain a later increase in the oxidation poise of the plastids, occurring concomitantly with increase in cell death. Gibberellic acid (GA) prevented senescence in Pelargonium leaves; however, in Arabidopsis it did not prevent chlorophyll degradation, but prevented upregulation of SAGs (Apendix Fig. 1). Gibberellic acid prevented in Pelargonium the increase in ROS in chloroplast, and we suggested that this prevents the destruction of the chloroplasts and hence, the tissue remains green. In Arabidopsis, reduction in endogenous GA and BA are probably not causing dark-induced senescence, nevertheless, these materials have some effect at preventing senescence. Neither GA nor CK had any effect on transcriptome footprint related to ROS in the various organelles, however while GA reduced expression of few general ROS-related genes, BA mainly prevented the decrease in chloroplasts genes. Taken together, GA and BA act by different pathways to inhibit senescence and GA might act via ROS reduction. Therefore, application of both hormones may act synergistically to prevent darkinduced senescence of various crops.
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Philosoph-Hadas, Sonia, Richard Crain, Shimon Meir, Nehemia Aharoni, and Susan Lurie. Calcium-Mediated Signal Transduction during Leaf Senescence. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7604925.bard.
Full textAbstract:
We have examined the possibility that modulation of [Ca2+]cyt may represent a signal which induces senescence processes in leaves, through triggering of lipid hydrolysis leading to the cascade of detriorative events. Characterization of the signal transduction components operating during leaf senescence was gained by studying various Ca2+-dependent activities of parsley and chrysanthemum leaves, in relation to several senescence functions, and in response to senescence-modulating hormones (ethylene,ABA, BA and IAA). Some innovative findings regarding the control of senescence processes by [Ca2+]cyt were established: Several Ca2+-or CaM-related compounds were shown to modulate [Ca2+]cyt and action, thereby affecting whole leaf senescence. The involvement of [Ca2+]cyt in mediating the effects of senescence-modulating hormones has been demonstrated. Loss of energized Ca2+-transport capability of PM was found to an early event in leaf senescence, which occurs before changes in senescence parameters are observed, and while other PM ATPase enzymes still retain about 50% of their activities. A general pattern of increased phosphorylation of PM proteins with advanced senescence, which could be modified by plant hormones applied in vivo (BA) or in vitro (ABA), sa found. Taken together, all this indirect evidence indicate that [Ca2+]cyt is elevated due to the senescence-induced decrease in the ability to extrude Ca2+, which results particularly from reduced PM Ca2++-transport capability rather than increased operation of Ca2+ channels or elevated Ins(1,4,5)P3 levels. The direct proof for such a senescence-related elevation in [Ca2+]cyt was provided for the first time by the Ca2+ imaging measures with fura-2, showing a rise in [Ca2+]cyt of mesophyll cells upon senescence induction, which preceeded changes in typical senescence characteristics. This research provides strong evidence for regarding the rise in [Ca2+]cyt as a primary event in induction of the senescence syndrome in detached leaves. The findings have also broad implications for postharvest handling of leafy crops and ornamentals, and open new avenues for employing Ca2+-related inhibitors to delay leaf senescence.
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El Halawani, Mohamed, and Israel Rozenboim. Temperature Stress and Turkey Reproduction. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7570546.bard.
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High temperature stress is of major concern to turkey producers in Israel and the United States. The decline in the rate of egg production at high environmental temperature is well recognized, but the neuroendocrinological basis is not understood. Our objectives were: 1) to characterize the hypothalamo-hypophyseal axis involvement in the mechanism(s) underlying the detrimental effect of heat stress on reproduction, and 2) to establish procedures that alleviate the damaging effect of heat stress on reproduction. Heat stress (40oC, Israel; 32oC, U.S.) caused significant reduction in egg production, which was restored by VIP immunoneutralization. The decline in egg production did not appear to be entirely related to the expression of incubation behavior due to the rise in circulating PRL in stressed birds. Heat stress was found to increase circulating PRL in ovariectomized turkeys independent of the reproductive stage. Active immunization against VIP was shown for the first time to up-regulate LHb and FSHb subunit mRNA contents. These findings taken together with the results that the heat stress-induced decline in egg production may not be dependent upon the reproductive stage, lead to the suggestion that the detrimental effect of heat stress on reproductive performance may be in part mediated by VIP acting directly on the GnRH/gonadotropin system. Inhibin (INH) immunoneutralization has been shown to enhance FSH secretion and induces ovulation in mammals. It is hypothesized that immunization of heat-stressed turkeys against INH will increase levels of circulating FSH and the number of preovulating follicles which leads to improved reproductive performance. We have cloned and expressed turkey INH-a and INH-bA. Active immunization of turkey hens with rtINH-a increased pituitary FSH-b subunit mRNA and the number of non-graded preovulatory yellow follicles, but no significant increase in egg production was observed.