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Dissertations / Theses on the topic 'Isolated and confined environment'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Temp, Anna Gesine Marie. "Exploring the explorers : studying the mood, mental health, cognition and the lived experience of extreme environments in a small isolated team confined to an Arctic research station." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31102.

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Background: The human ability to adapt to extreme environments is fascinating. Research into this adaptation has been lacking in Arctic isolated teams because it has concentrated on Antarctic teams. The hazards of the poles often confine the researchers indoors with their colleagues, reducing their privacy. This deployment also limits their contact with loved ones at home. Subsequently, over the course of polar night, rates of anxiety, depression, irritability and sleep disturbance increase (Suedfeld & Palinkas, 2008). Often, the teams complain of cognitive impairments. The High Arctic’s disti

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2

Torchio, Erika. "Confined extracellular environment affects pluripotency maintenance and acquisition." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3425757.

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Human pluripotent stem cells represents an unlimited source of desired cells and a powerful model for early embryogenesis. In vitro, two stages of pluripotent stem cells (naïve and primed) have been isolated. Moreover, in vitro, pluripotency can be re-acquired by somatic cells thanks to cell reprogramming, which rewrites cell expression program, opening doors for patient-specific personalized medicine. The use of microfluidic platforms for cell reprogramming allows cost-effective and boosts high-efficiency experiments, but the reasons behind this increase in efficiency have not been uncovered

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3

Kim, Young-Gon [Verfasser]. "Dynamics of Polymer in Confined Environment / Young-Gon Kim." Mainz : Universitätsbibliothek der Johannes Gutenberg-Universität Mainz, 2020. http://d-nb.info/122496988X/34.

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4

Gerard, Jeffery M. "Antibiotic secondary metabolites of bacteria isolated from the marine environment." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq25055.pdf.

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5

Yates, Jenine E. "Molecular systematics of Campylobacter isolated from the human clinical environment." Thesis, University of Canterbury. Department of Plant and Microbial Sciences, 1998. http://hdl.handle.net/10092/4244.

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Campylobacter jejuni is the major cause of campylobacteriosis in humans. This thesis recorded the distribution of C. jejuni and C. coli isolates in a hospital environment during 1997/98. 105 clinical isolates of Campylobacter were examined using flaA and gmhA PCR-RFLP analysis. Isolates were collected from 84 patients who presented at Christchurch Public Hospital or from the South Canterbury region. Males accounted for 63.1 % of the sample. The largest number of cases was reported in the age group 20-29 years. flaA specific primers were applied to all samples with 83.8 % generating a 1.7 kb am

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6

Niture, S. K. "Biochemical ecology of fusarium moniliforme isolated from an estuarine environment." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2002. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2830.

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7

Yooyen, Juthatip. "Degradation of volatile organic compounds by various bacteria isolated from the environment." Thesis, University of Warwick, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.425992.

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8

OLIVEIRA, GERALDO CESAR DE. "FAST ESTIMATION ALGORITHMS FOR VIDEO COMPRESSION: ISOLATED ANALYSIS AND IN MPEG ENVIRONMENT." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1997. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=14026@1.

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EMPRESA BRASILEIRA DE TELECOMUNICAÇÕES<br>Este trabalho apresenta uma análise comparativa de algoritmos rápidos de estimação de movimento para codificações de vídeo, os quais visam reduzir a complexidade computacional do algoritmo Força Bruta. Os dois primeiros ( LOGD e 3 PASSOS) reduzem extremamente a complexidade, contudo, apresentam os mais baixos desempenhos. Dois deles Eliminação Sucessiva (ES I) e Adaptativo da Força Bruta (AFB) são técnicas recentes apresentadas na literatura. O dois últimos algoritmos (ES II e ES III) são modificações propostas nesta tese, com base nas técnicas ES I e

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9

Ternström, Anders. "Classification, grouping and identification of bacteria isolated from food and the environment." Lund : Dept. of Food Technology, Laboratory of hygiene and taxonomy, Lund University, 1992. http://catalog.hathitrust.org/api/volumes/oclc/39697487.html.

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10

Ranglack, Dustin H. "American Bison Ecology and Bison-Cattle Interactions in an Isolated Montane Environment." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/3853.

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As bison are considered to be ecologically extinct, and negative interactions between bison and cattle are perceived to limit bison restoration and cattle production, I designed a series of studies to test for potential competition between bison (Bison bison) and cattle (Bos taurus) for forage on the Henry Mountains in southern Utah. These studies provide insight into key information gaps previously identified by the Utah Division of Wildlife Resources (UDWR), Bureau of Land Management, and the local grazing association. The results indicate that bison and cattle are not strong competitors for

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11

González-Rey, Carlos. "Studies on Plesiomonas shigelloides isolated from different environments /." Uppsala : Dept. of Veterinary Microbiology, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/v156.pdf.

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12

Lee, Sinhea. "Goshiwon of Noryangjin: A Preliminary Study of Goshiwon and the Effects of its Confined Spatial Environment." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1595849975913461.

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13

Bumadian, Mohamed M. "Molecular identification and physiological characterisation of extremely halotolerant bacteria isolated from a freshwater environment." Thesis, University of Sheffield, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548562.

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14

Alsull, Mustafa Mohammed. "Physiological and molecular characterisation of an alkaliphilic Bacillus isolated from a moderately alkaline environment." Thesis, University of Sheffield, 2010. http://etheses.whiterose.ac.uk/10362/.

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Two strains of alkaliphilic, strictly aerobic, Gram-positive, non-motile bacteria were isolated. First, an alkaliphilic bacterium (optimum growth at pH 10) designated as MAK7 was isolated from a water and sediment sample obtained from a non-extreme environment (River Lathkill in the Derbyshire Peak District). Second, an alkaliphilic Bacillus sp. was isolated as a laboratory contaminant from a culture of MAK7 grown at pH 10. Phylogenetic analysis, based on 16S rRNA gene sequences, showed that isolate MAK7 was an unclassified strain of Bacillus, most closely related to a Bacillus isolate associa

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15

Colombo, Monique. "Beneficial properties and safety of lactic acid bacteria isolated from the dairy production environment." Universidade Federal de Viçosa, 2017. http://www.locus.ufv.br/handle/123456789/11610.

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Submitted by Marco Antônio de Ramos Chagas (mchagas@ufv.br) on 2017-08-24T13:21:13Z No. of bitstreams: 1 texto completo.pdf: 1177730 bytes, checksum: ae33210f9ef99d122bd42327540bae5c (MD5)<br>Made available in DSpace on 2017-08-24T13:21:13Z (GMT). No. of bitstreams: 1 texto completo.pdf: 1177730 bytes, checksum: ae33210f9ef99d122bd42327540bae5c (MD5) Previous issue date: 2017-06-30<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Bactérias ácido lácticas (BAL) foram isoladas do ambiente de produção de leite e avaliadas quanto ao potencial benéfico. Testes preliminares e

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Li, Jiatong. "TLS Library for Isolated Enclaves : Optimizing the performance of TLS libraries for SGX." Thesis, KTH, Kommunikationssystem, CoS, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-241245.

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Nowadays cloud computing systems handle large amounts of data and process this data across different systems. It is essential to considering data security vulnerabilities and data protection. One means of decreasing security vulnerabilities is to partition the code into distinct modules and then isolate the execution of the code together with its data. Intel’s Software Guard Extension (SGX) provides security critical code isolation in an enclave. By isolating the code’s execution from an untrusted zone (an unprotected user platform), code integrity and confidentiality are ensured. Transport La

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Cottee-Jones, Henry Eden W. "Isolated Ficus trees and conservation in human-modified landscapes." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:9d01cd94-447c-4125-8670-6f9556affebe.

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The destruction of tropical forests is the most concerning current threat to biodiversity. Although protected areas have long been used as the primary tool for biodiversity conservation, there is an increasing need to find suitable conservation strategies for the growing area of human-modified land. This thesis addresses three themes that have been identified as the most pressing areas for research in human-modified landscapes: biodiversity conservation beyond protected areas, forest restoration, and the human–environment relationship. By studying the interactions between birds, plants, and pe

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18

Smit, Yvette. "Growth and guaiacol production of species of Alicyclobacillus isolated from the South African fruit processing environment." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2245.

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Thesis (Msc Food Sc (Food Science))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: Bacteria belonging to the genus Alicyclobacillus are thermo-acidophilic spore-formers that are able to spoil acidic food and beverage products through the production of guaiacol and other taint compounds, which causes a medicinal off-flavour and/or odour in the products. This thesis reports on the comparison of methods used for the isolation of species of Alicyclobacillus, as well as the growth behaviour and guaiacol production of different strains isolated from the South African fruit processing

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19

Darr, Matthew J. "Advanced embedded systems and sensor networks for animal environment monitoring." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1196199349.

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20

Kodura, Daniel. "Remote controlled folding and unfolding of single-chain nanoparticles via photochemistry." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/235726/1/Daniel%2BKodura%2BThesis%282%29.pdf.

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One of the most powerful capabilities of nature is specific catalysis of chemical reactions by enzymes, i.e., sequence-defined biopolymers with defined three-dimensional geometry, in living organisms. The aim of introducing conformational changes with potentially similar capabilities into synthetic polymers led to the development of so-called single-chain nanoparticles (SCNP). The current thesis focuses on generating remotely and reversible foldable SCNPs using photochemistry. The development of a platform technique, paired with deep understanding of the folding process, is critical for mimick

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21

Zhou, Zongwei. "On-demand Isolated I/O for Security-sensitive Applications on Commodity Platforms." Research Showcase @ CMU, 2014. http://repository.cmu.edu/dissertations/328.

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Today large software systems (i.e., giants) thrive in commodity markets, but are untrustworthy due to their numerous and inevitable software bugs that can be exploited by the adversary. Thus, the best hope of security is that some small, simple, and trustworthy software components (i.e., wimps) can be protected from attacks launched by adversary-controlled giants. However, wimps in isolation typically give up a variety of basic services (e.g., file system, networking, device I/O), trading usefulness and viability with security. Among these basic services, isolated I/O channels remained an unme

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22

Dumontet, Stefano. "Marine aquatic environment as a source of potential human pathogens : studies on prevalence, ecology and characterisation of Aeromonas spp. and Vibrio vulnificus isolated from marine environment /." Uppsala : Dept. of Veterinary Microbiology, Swedish Univ. of Agricultural Sciences ([Institutionen för veterinärmedicinsk mikrobiologi], Sveriges lantbruksuniv.), 2002. http://epsilon.slu.se/avh/2002/91-576-6370-X.pdf.

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23

Vickers, Mark. "Bacteria isolated from orthopaedic patients in north-eastern Australia: Epidemiology, multi-drug resistance and the impact of environment and season." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/213222/1/Mark_Vickers_Thesis.pdf.

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In orthopaedic medicine, post-operative infections are associated with increased morbidity, mortality and higher health care costs. There exists a need to improve understanding of factors influencing infection rates and antimicrobial resistance. Particularly for orthopaedic surgery performed in hotter, wetter climates where the tropical microbial niche presents unique challenges. This clinical research analyses the risks of orthopaedic post-operative infections associated with weather and climatic variables. Detailed epidemiological data is presented which describes features of bacteria compli

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Zakaria, Mohamed Naguib Mohamed. "Reperfusion induced arrhythmias in the isolated rat heart : the role of oxygen free radicals and the ionic environment of the heart." Thesis, University of Bath, 1985. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355315.

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Reperfusion of the isolated rat heart following 10 min of coronary artery ligation under constant flow conditions results in the development of arrhythmias - premature ventricular contractions (PVCs), ventricular tachycardia (VT) and ventricular fibrillation (VF). Increasing concentrations of magnesium (0 - 4.8 mM) and/or potassium (2.5 - 10.0 mM) attenuate, while calcium (0.6 - 2.4 mM) exacerbates these arrhythmias. The protective effects of magnesium and potassium were additive. Magnesium reduced heart rate, perfusion pressure and developed tension. Potassium reduced perfusion pressure and i

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25

Galeazzi, Gilberto. "Spirit of Caprera : an ethnographic analysis of sailing." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31556.

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The research investigates the Centro Velico Caprera (CVC), a sailing school located in the Mediterrean Sea, whose purpose is to replicate the lifestyle of a ship on land. This ambition creates an isolated environment in which the frequenters are completely immersed and the life is heavily controlled through different spatial and temporal means. The people who attend the school and become part of its community refer to its characteristics and to the collective essence they experience as 'the Spirit of Caprera'. Using an ethnographic approach and in particular participant observation as a primar

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26

Lobréau, Stéphanie. "Imagerie et caractérisation instationnaire de sources acoustiques en milieu réverbérant et bruité par renversement temporel et séparation de champs sur antenne hémisphérique double couche." Thesis, Paris, CNAM, 2015. http://www.theses.fr/2015CNAM0993/document.

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Dans un grand nombre d'applications industrielles, il est nécessaire d'inspecter des structures rayonnantes à l'aide de techniques de caractérisation et de localisation de sources acoustiques instationnaires. Ces dernières décennies, plusieurs techniques d'imagerie acoustique ont été développées, reposant sur l'utilisation de mesures d'un jeu de grandeurs acoustiques (pression et/ou vitesse particulaire) sur des antennes microphoniques, structurées ou non. Le travail réalisé durant cette thèse porte plus spécifiquement sur les techniques d'imagerie instationnaires par retournement temporel. No

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27

Courapied, Damien. "Etude de l’interaction laser matière en régime de confinement par eau avec deux impulsions laser. Application au test d’adhérence par choc laser." Thesis, Paris, ENSAM, 2016. http://www.theses.fr/2016ENAM0073/document.

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Le choc laser est un procédé de plus en plus répandu qui utilise l’énergie laser pour générer des ondes de choc et inclure des effets mécaniques dans les matériaux ciblés. Lorsque l’énergie laser est absorbée par la cible, un plasma d’interaction est créé à la surface du matériau. Ce plasma, lors de sa détente, génère une onde de choc qui se propage. Les travaux effectués dans le cadre de cette thèse s’inscrivent donc dans une démarche globale de compréhension des phénomènes liés à l’interaction laser-matière. Dans le domaine des ondes de choc générées par laser, on peut distinguer deux procéd

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Vancostenoble, Alix. "Etude des mécanismes de corrosion sous contrainte d'aciers ferrito-perlitiques en milieu aqueux confiné contenant du CO2 dissous." Thesis, Saint-Etienne, EMSE, 2015. http://www.theses.fr/2015EMSE0772.

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L’objectif de ce travail est d’améliorer la compréhension des phénomènes de Corrosion Sous Contrainte (CSC) susceptibles d’être rencontrés sur les fils d’armures des conduites flexibles, faits d’aciers ferrito-perlitiques. Dans l’annulaire des conduites flexibles, l’environnement chimique des aciers est constitué d’une « eau de mer » confinée et saturée en CO2. Celui-ci favorise la formation d’une couche protectrice de sidérite qui semble avoir un effet déterminant sur la vitesse de corrosion de l’acier. Les conditions de service entrainant des fluctuations de l’environnement ou des contrainte

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Peiró, Torres María del Pilar. "Research of the acoustic phenomenon produced by isolated scatterers and its applicability as a noise reducing device in transport infrastructures. Search for an optimised and sustainable design." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/164903.

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[ES] El control de ruido ambiental es una preocupación de primera magnitud para las sociedades avanzadas, debido a los problemas derivados que ocasionan en la salud de los ciudadanos. Una de las soluciones más extendidas para el control del ruido en su fase de transmisión en la utilización de pantallas acústicas. La aparición de nuevos materiales formados por redes de dispersores acústicos aislados, denominados cristales de sonido, está revolucionando el campo del apantallamiento acústico, posibilitando el avance tecnológico de esta área. Así, en los últimos años, las pantallas acústicas basa

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CASTI, MARTA. "Cristallizzazione del solfato di sodio in calcari biomicritici: l'uso di inibitori per la mitigazione del degrado." Doctoral thesis, Università degli Studi di Cagliari, 2016. http://hdl.handle.net/11584/266702.

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Salt crystallisation is one of the most harmful decay problems in porous materials. Especially ancient building and archaeological sites can show very intense damage (e.g. detachment and pulverization of the materials) that produce a strong loss of matter and so cultural identity. Mainly hypogea show salt crystallisation due to capillary rising. However also anthropic sources like pollution or cement can be found in these sites producing decay. Sodium sulphate is very common where there is the combination between cement and pollution. This salt is very harmful for porous materials due to his h

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31

Sauvan, Pierre-Emmanuel. "Etude des phénomènes physiques associés à la propagation d'ondes consécutives à une explosion et leur interaction avec des structures, dans un environnement complexe." Phd thesis, Université d'Orléans, 2012. http://tel.archives-ouvertes.fr/tel-00802429.

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Les travaux présentés dans ce mémoire de thèse s'inscrivent dans le cadre des études liées aux dégâts sur les structures et les blessures subies par les personnes à la suite d'explosions de charges explosives en milieu confiné et semi-confiné. Afin de mener cette étude, des expériences sont réalisées à petite échelle en laboratoire et sont complétées par des simulations numériques. Les ondes de choc sont obtenues grâce à la détonation d'une charge explosive gazeuse composée de propane-oxygène en proportion stoechiométrique. L'étude consiste donc à réaliser des expériences à petite échelle en l

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32

Krins, Phillip William. "Beyond the “Right Stuff”: The role of group processes in isolated confined extreme environments." Phd thesis, 2009. http://hdl.handle.net/1885/49430.

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The purpose of this thesis was to apply mainstream theoretical social psychology to group dynamics in isolated confined extreme (ICE) environments, with a particular focus on the context of long duration spaceflight. This was done by providing a thorough review of both the ICE environment psychology literature and the social psychological literature. From this it emerged that significant gaps existed within the ICE literature around the understanding of group processes. A review of relevant social psychology literature suggested that the social identity perspective may have much to offer in ad

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Huang, Yen-Chang, and 黃彥彰. "Polymer Crystallization within Nano-Confined Environment in Heterogeneous Blends." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7d8243.

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碩士<br>國立中山大學<br>材料與光電科學學系研究所<br>106<br>Owing to various nanoscale structures from self-assemble block copolymers (BCPs), it could provide a facile means to study polymer crystallization under nanoscale confinement. Different from the studies using homogeneous blends (A-B/HA or A-B/HB system) with an additive homopolymer identical to one of the blocks in block copolymers, here we employed heterogeneous blends (A-B/HC system) with the additive homopolymer chemically different from the constituted blocks. Crystalline homopolymers, polyethylene oxide (PEO) with different molecular weights (MWs), w

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Palanti, Alessia. "Stranded, Isolated, Cloistered, and Confined: Women Queering Space in Twenty-First Century Italian Cinema." Thesis, 2019. https://doi.org/10.7916/d8-azvp-1793.

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At the crossroads of Italian studies; film studies; and women’s, gender, and sexuality studies, my dissertation investigates a group of films by Italian women filmmakers whose narratives center on women and unfold in constrained spaces. Confinement is generally considered antithetical to feminist projects that imagine emancipation to be synonymous with freedom of movement. Why would women filmmakers, then, making films in the new millennium choose to stage their narratives in cloistered spaces? I find that the spatial restrictions are not responding to familiar dialectics. First feature films

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Yeh, Chiao-Li, and 葉巧莉. "Characterization of polyhydroxyalkanoates- producing bacteria isolated from environment." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/40764473391308525828.

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碩士<br>元智大學<br>生物科技與工程研究所<br>97<br>PHAs (polyhydroxyalkanoates) is biodegradability polymers which is synthesized by microorganisms, some bacteria will synthesize PHAs and accumulated in vivo when the environment have excess carbon source and lack of some nutrients (ex: nitrogen, phosphate or sulfate). PHB (polyhydroxybutyrate) is the most common type of PHAs which is accumulated by microorganisms in the environment. The enteric bacteria can be commonly found in many environments; however, there is no report on their ability for PHAs production. From complete genome sequences of some enteric

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傅國華. "The Durability Study of Confined by CFRP in Weather and Environment." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/90677978416665088739.

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碩士<br>國立臺北科技大學<br>土木與防災技術研究所<br>92<br>The weather in Taiwan belongs to typical subtropical maritime climate. It is easy to cause structure failure. The factors come from increasing people、vehicles and factory wastes. The study bases on carbon fiber reinforced plastic (CFRP) confined by concrete material. A series of confined concrete columns, which size is10cm×20cm、12cm×24cm、15cm×30cm, confined in difference angle are and , and difference layers form one to three layers. Also built up 12 of confined concrete columns, which size is 45cm×90cm. The materials comes form Industrial Te

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Lin, Chi-Yuan, and 林啟元. "The Study on the Environment Comfort Control in Confined Operational Space." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/38931152174583622010.

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碩士<br>國立勤益科技大學<br>冷凍空調系<br>103<br>A small experimental space together with simple air conditioning system are adopted in this study, this paper simulated the personal working environment and using proportional, integral and derivative (PID) controller, aimed at PMV (Predicted Mean Vote) index for temperature, humidity, wind speed control to create a comfortable, saftily and high effiencient working environment. The Ziegler-Nichols PID control scheme, Smith predictor strategy are used to implement this study. Comfort subjective questionnaire with 50 workers in confined spaces as research subje

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Borges, Guilherme Rosas. "Practical Isolated Searchable Encryption in a Trusted Computing Environment." Master's thesis, 2018. http://hdl.handle.net/10362/59506.

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Cloud computing has become a standard computational paradigm due its numerous advantages, including high availability, elasticity, and ubiquity. Both individual users and companies are adopting more of its services, but not without loss of privacy and control. Outsourcing data and computations to a remote server implies trusting its owners, a problem many end-users are aware. Recent news have proven data stored on Cloud servers is susceptible to leaks from the provider, third-party attackers, or even from government surveillance programs, exposing users’ private data. Different approach

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劉明曉. "Technology Acceptance of High Risk Working Environment Management System in Confined Spaces." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/7qj2ze.

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碩士<br>國立交通大學<br>工學院永續環境科技學程<br>104<br>Due to the occupational hazard of the lack of oxygen and being poisoned when the work of confined spaces is going on, thus the department passed the amendment Occupational Safety and Health Facilities Rule Amendments (Article 29-7) , it specifies the rule which asks the employer to obey , that is, if being in the danger of the lack of oxygen and getting poisoned, the employees should wear the safety belt and have the device which can detect the employees’ working conditions, and the device can alarm when the worker stop working for a while, so it can let t

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Castelo, Antonio Vargas. "Phycobiliproteins accumulation in a cyanobacterium isolated from an extreme environment." Master's thesis, 2019. http://hdl.handle.net/10400.1/14893.

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Desde o século passado, tem-se procurado formas alternativas e sustentáveis para minimizar os problemas relacionados ao desenvolvimento industrial, como o uso de substâncias tóxicas em diferentes aplicações e a escassez de recursos não renováveis. Por isso, a produção de moléculas bioativas através de processos biotecnológicos têm recebido crescente atenção. Essas substâncias são consideradas compostos notáveis, sintetizados por organismos em cultivos, ao final da fase de crescimento exponencial e início da fase estacionária. Diferentes tipos de micro-organismos podem ser utilizados para a pr

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Gerard, Jeffery M. "Antibiotic secondary metabolities of bacteria isolated from the marine environment." Thesis, 1997. http://hdl.handle.net/2429/6676.

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Bioassay guided fractionation of the organic extracts obtained from cultures of several bacteria strains from the marine environment led to the isolation of twelve new and nine previously described secondary metabolites. The structures of these metabolites were determined by extensive chemical and spectroscopic analysis. Stable isotope incorporation experiments were also performed using one of the isolated strains to investigate the biosynthetic origins of the atoms in the principle active secondary metabolite. A culture of a Bacillus sp. isolated from the tissues of a marine worm collec

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Pande, Vivek Vinayakrao. "Studies on Salmonella Enterica spp isolated from egg farm environment." Thesis, 2016. http://hdl.handle.net/2440/117258.

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Infection with Salmonella spp is among the most common causes of foodborne outbreaks of human gastrointestinal disease. Humans acquire Salmonella through the consumption of contaminated food items, including eggs and undercooked egg products. There are over 2500 Salmonella enterica serovars but globally, Salmonella Enteritidis and Salmonella Typhimurium are responsible for causing the majority of human disease. S. Enteritidis is, however, not endemic in Australia; strains of S. Typhimurium have filled this niche and are frequently isolated during cases of egg related foodborne illness. O

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Tsai, Meng-Ru, and 蔡孟儒. "Cadmium resistance and tellurite resistance in Shewanella sp. isolated from environment." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/21558787239475572660.

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碩士<br>元智大學<br>生物科技與工程研究所<br>96<br>Bacteria isolated from Er-Ren River, Tainan by enrichment culture were studied for their ability to resist tellurite and cadmium. One of the isolates, Shewanella sp. strain TeC, was able to tolerate relative high concentration of tellurite and cadmium in the culture medium. Black precipitates occurred in strain TeC after growth in the medium containing tellurite indicating the reduction of tellurite to tellurium. The aim of this studied therefore was to generate mutants of strain TeC by transposon mutagenesis to study genes involved in tellurite resistance,

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Yang, R. W., and 楊榮偉. "The Recognition of the Isolated Mandarin Digits in a Noisy Environment." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/85335840788455462482.

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Sethi, L. "Pathogenicity, genetic aspects and characterization of vibrio species isolated from marine environment." Thesis, 2014. http://ethesis.nitrkl.ac.in/6169/1/e-44.pdf.

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Vibrio is the gram negative bacteria possessing comma shape and it produces the copious diarrhea characteristic of enteric diseases by means of a potent enterotoxin, cholera toxin (CT). Vibrio spp. are facultative anaerobes that show positive result for oxidase test and are non-spore formers. Based upon the past results these Vibrio spp., 11 of which are known to be pathogenic for humans. Most of the pathogenic Vibrio strains are natural inhabitants of marine environment worldwide. As TCBS media contained a combination of alkaline pH and bile salts, it is a most preferable media for the isolat

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Wu, Chen-Che, and 吳政哲. "Effects of High Temperature Environment On Genetic Analysis Using DNA Isolated From Teeth." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/21544497054042366822.

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碩士<br>國立臺灣大學<br>臨床牙醫學研究所<br>94<br>Like fingerprint, the methods of forensic odontological identification usually utilize unique maxillary characteristics of each person from dental chart in clinic. In case of found bodies in which dental treatment is present, comparison of antemortem and postmortem dental records is a common appraisal technique. For example, if extraction was recorded, we will find the missing teeth in one’s arch. If pior endodontic therapy was performed, we will see the root canal filling material in x-ray film. Since dental prosthesis were noted, we will notice the bulk of c

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Bhagowati, Pabitra. "Bio-degradable plastic production by bacteria isolated from marine environment and organic-waste." Thesis, 2013. http://ethesis.nitrkl.ac.in/4721/1/411LS2124.pdf.

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Bioplastics are biomass based biodegradable plastics which can be derived from corn starch, pea starch, vegetable fats and oils as well as microorganisms like bacteria, algae etc. They may be used for packaging purposes and catering items like bowls, pots, straws, cutlery etc., for making bottles for soft drinks, bags, trays etc. Plastic is one of the major pollutants at present time around the world, which is used for daily use like packaging materials, carry bags, manufacturing of different types of materials etc. So, to replace the use of synthetic plastic as well as to reduce the increasin

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Cadell, Seth R. "Development of a binary mixture gas composition instrument for use in a confined high temperature environment." Thesis, 2012. http://hdl.handle.net/1957/36206.

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With recent advancements in material science, industrial operations are being conducted at higher and higher temperatures. This is apparent in the nuclear industry where a division of the field is working to develop the High Temperature Gas Reactor and the Very High Temperature Gas Reactor concurrently. Both of these facilities will have outlet gas temperatures that are at significantly higher temperatures than the typical water cooled reactor. These increased temperatures provide improved efficiency for the production of hydrogen, provide direct heating for oil refineries, or more efficient e

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Wu, Cheng-Ta, and 吳政達. "VR assisted teleoperation of feeding and manipulation of micro particles in isolated liquid environment." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/24546189146518367321.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>97<br>For implementing the bio-manipulation of microparticles, a micromanipulating system by using a piezoelectronic actuated micro gripper module, which applying the PU micro gripper technique researched by OME lab for a decade is developed, this system consists of a microscope, a camera, robot arms, a stepping motor, and a micro injection device, and can feed and manipulate microparticles with size around 10~100μm. Different image processing algorithms are developed to estimate the parameters in the working field. Internet is used for transferring data between c

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Goordial, Jacqueline. "Characterization of a Novel Chlorobenzoate Degrading bacterium: Burkholderia phytofirmans OLGA172, Isolated from a Pristine Environment." Thesis, 2010. http://hdl.handle.net/1807/25600.

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Burkholderia phytofirmans OLGA172 is a chlorobenzoate (CBA) degrading bacterium, known to frequently lose the ability to degrade CBA in the lab. OLGA172 carries the complete set of genes for chlorocatechol degradation (an intermediate in CBA metabolism), tfdCDEF, as well as several integrases associated with DNA mobility in proximity to these genes. In this study, putative CBA degradative genes were identified in OLGA172, and an imbalance in regulation between the tfdCDEF and CBA degradative genes identified as a cause for incomplete CBA metabolism in this strain. Additionally, expression of

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