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Dissertations / Theses on the topic 'Adaptational reactions'

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1

Everts, Steven. "Adaptation in foreign policy : French and British reactions to German unification." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365586.

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2

Cass, S. D. B. "CRISPR-Cas immunity : analysis of adaptation and interference reactions in prokaryotes." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/35784/.

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Mobile genetic elements (MGEs, e.g. transposons, plasmids and phage) are an important driver of genetic diversity in microorganisms, and have diverse effects on microbe populations. Adaptation of Bacteria and Archaea to overcome negative effects of phage infection is sometimes referred to as an “arms race” that provokes the development of systems to protect against phage attack. One such defence is CRISPR-Cas, the topic of this research thesis. CRISPR (Clustered Regular Interspersed Short Palindromic Repeat) loci and Cas (CRISPR-associated) proteins are the molecular basis of this resistance m
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3

Banda, Peter. "Novel Methods for Learning and Adaptation in Chemical Reaction Networks." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2329.

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State-of-the-art biochemical systems for medical applications and chemical computing are application-specific and cannot be re-programmed or trained once fabricated. The implementation of adaptive biochemical systems that would offer flexibility through programmability and autonomous adaptation faces major challenges because of the large number of required chemical species as well as the timing-sensitive feedback loops required for learning. Currently, biochemistry lacks a systems vision on how the user-level programming interface and abstraction with a subsequent translation to chemistry shou
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4

Boey, Edward. "Anisotropic Residual-Based Mesh Adaptation for Reaction-Diffusion Systems: Applications to Cardiac Electrophysiology." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35614.

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Accurate numerical simulation of reaction-diffusion systems can come with a high cost. A system may be stiff, and solutions may exhibit sharp localized features that require fine grids and small time steps to properly resolve the physical phenomena they represent. The development of efficient methods is crucial to cut down the demands of computational resources. In this thesis we consider the use of adaptive space and time methods driven by a posteriori error estimation. The error estimators for the spatial discretization are built from a variety of sources: the residual of the partial diff
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5

Fangue, Nann A. "Thermal acclimation and adaptation in the common killfish, Fundulus heteroclitus : thermal reaction norms and underlying mechanisms." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/31301.

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I have quantified the effects of temperature on the performance of killifish (Fundulus heteroclitus) from the northern and southern ends of the species' distribution along the East coast of North America, and examined potential mechanisms that could be involved in shaping these traits. I demonstrated that upper and lower thermal tolerance limits were higher in southern fish by ~1.5°C, consistent with adaptation to warmer habitat temperatures (Chapter Two). Thermal tolerance limits were, however, plastic in both populations, changing by >10°C with temperature acclimation. In thermal preference
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6

Groslambert, Alain. "Etude des perturbations du temps de reaction, de la posture et des adaptations cardio-ventilatoires consecutives a un exercice prolonge : application en tir en biathlon." Besançon, 1997. http://www.theses.fr/1997BESA3904.

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7

Meerkin, Jarrod D. "Musculo-skeletal adaptation and altered loading environments: An amputee model." Thesis, Queensland University of Technology, 2000. https://eprints.qut.edu.au/36750/1/36750_Digitised%20Thesis.pdf.

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Amputation of the lower limb may result in musculo-skeletal changes similar to those that occur following space flight, immobilisation and prolonged bed rest. The similarities desist when one considers the invasive nature of amputation surgery and the impact that partial loss of a limb has on the loading characteristics of the affected leg. The aim of this study was to determine the musculo-skeletal changes that occur following trans-femoral and trans-tibial amputation, and to compare differences in the musculo-skeletal characteristics of these groups, which may occur as a function of the modi
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8

Linda, Onoh, and Patricia Schwarzbach. "A cross-case analysis of Swedish companies to investigate adaptations of the marketing mix to retain customers as a reaction to COVID-19." Thesis, Högskolan i Halmstad, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-44483.

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9

Habib, Perez Olinda D. "An Analysis of Infant Bouncing at Different Spring Frequencies." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/19897.

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Infants explore environments through repetitive movements which are constrained or facilitated by the environmental context. The current studies analyzed how typically developing infants bounced in four environments that differed by system natural frequency. Four pre-walking infants (age 9.7 months ±1.8) were placed in four spring conditions with natural spring frequencies of 0.9, 1.15, 1.27 and 1.56 Hz. All infants bounced above the natural spring frequency in all conditions suggesting that they do not solely behave like a mass-spring system. Two patterns of bouncing adaptations were identifi
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10

Rocha, Felipe Bastos 1981. "Pigmentação em Drosophila mediopunctata : plasticidade fenotipica e herdabilidade." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/316971.

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Orientador: Louis Bernard Klaczko<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-08T11:40:37Z (GMT). No. of bitstreams: 1 Rocha_FelipeBastos_M.pdf: 1521732 bytes, checksum: 2e105d0f1d7044bc42e2f93125f6ac49 (MD5) Previous issue date: 2007<br>Resumo: Drosophila mediopunctata é uma espécie pertencente ao grupo tripunctata, que tem como traço marcante um padrão de pigmentação abdominal, sob a forma de três pintas na região mediana dos últimos tergitos. Nesta espécie, este padrão é variável, havendo indivíduos com quatro
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11

Grigg, Nicole Lorraine. "The acute adaptations of normal and pathological human Achilles tendons to eccentric and concentric exercise." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/47048/1/Nicole_Grigg_Thesis.pdf.

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Eccentric exercise is the conservative treatment of choice for mid-portion Achilles tendinopathy. While there is a growing body of evidence supporting the medium to long term efficacy of eccentric exercise in Achilles tendinopathy treatment, very few studies have investigated the short term response of the tendon to eccentric exercise. Moreover, the mechanisms through which tendinopathy symptom resolution occurs remain to be established. The primary purpose of this thesis was to investigate the acute adaptations of the Achilles tendon to, and the biomechanical characteristics of, the eccentric
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12

Burgering, Wendy Helen Miller. "Reacting to a ‘Discovered’ Social Problem Through Organisational Adaptation: Case Studies of Child Sexual Abuse Investigation of Seven New Zealand Police Districts." Thesis, University of Auckland, 1994. http://hdl.handle.net/2292/1963.

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Organisations operate in an environment buffeted by social change. Child sexual abuse became publicly recognised as a social problem from 1986. The first part of this thesis examines public awareness of, and interest in child sexual abuse, how child sexual abuse arose in New Zealand, the influence of international "moral entrepreneurs" in shaping this recognition and the activities of local "moral entrepreneurs"' including some police officers, in assisting the move of child sexual abuse from the private to the public arena. The second part of this thesis examines organisational change and whe
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13

Boixel, Anne-Lise. "Environmental heterogeneity, a driver of adaptation to temperature in foliar plant pathogen populations?" Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASA010.

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Les facteurs environnementaux, au premier rang desquels la température, ont un impact sur la biologie des micro-organismes foliaires. Ils peuvent aussi modifier significativement leurs dynamiques populationnelles, voire leurs trajectoires évolutives. Classiquement, les modèles épidémiologiques, utilisés pour mieux gérer les maladies des plantes, intègrent l’influence des conditions météorologiques. Ils s’intéressent surtout à des réponses et des effets moyennés, ne tenant compte ni des variations des réponses individuelles, ni de l’hétérogénéité des changements environnementaux aux échelles ré
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14

Virupaksha, Sumanth. "The impact of blur, illumination and distracters on tests related to driving performance." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/65355/4/65355%28thesis%29.pdf.

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This thesis investigated a range of factors underlying the impact of uncorrected refractive errors on laboratory-based tests related to driving. Results showed that refractive blur had a pronounced effect on recognition of briefly presented targets, particularly under low light conditions. Blur, in combination with audio distracters, also slowed a participant's reactions to road hazards in video presentations. This suggests that recognition of suddenly appearing road hazards might be slowed in the presence of refractive blur, particularly under conditions of distraction. These findings highlig
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15

Pistikopoulos, Panayotis. "Comportement physiochimique des hydrocarbures aromatiques polycycliques, particulaires et gazeux, dans l'atmosphere : mode de formation des aerosols, transport a meso-echelle, adaptation d'un modele-recepteur a des composes reactifs." Paris 7, 1988. http://www.theses.fr/1988PA077140.

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16

Escobar, sandoval Margarita. "Plasticité phénotypique inter et intra-annuelle de la croissance radiale et d’autres propriétés liées à la formation du cerne chez le mélèze." Thesis, Paris, Institut agronomique, vétérinaire et forestier de France, 2020. http://www.theses.fr/2020IAVF0022.

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La plasticité phénotypique permet aux génotypes de s’ajuster à des variations environnementales. Dans cette thèse nous avons utilisé des caractères de cernes annuels de mélèzes pour estimer la plasticité phénotypique à deux échelles de temps: entre années (chap. 1, plasticité interannuelle) et dans l’année (chap. 2, plasticité intra-annuelle). Dans le chap. 1 nous avons analysé des cernes annuels de mélèzes d’Europe distribués dans quatre placettes le long d’un gradient altitudinal naturel de la région de Briançon, dans les Alpes françaises. La plasticité phénotypique de la croissance radiale
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17

Méndez-Vera, José. "Understanding how evolution affects the spatial dynamics of interacting species." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS262.

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Les pressions sélectives sur les organismes étant en perpétuel changement, en conséquence de multiples facteurs tels que le changement climatique et l'introduction d'espèces exotiques, il est indispensable d’avoir une meilleure compréhension des dynamiques déterminant les distributions spatiales des espèces. L'évidence empirique montre que les interactions inter-spécifiques et l'évolution peuvent avoir des effets importants sur la distribution des espèces, individuellement ou simultanément. Il est donc nécessaire de disposer de modèles capables de décrire l'effet de ces facteurs afin de mieux
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18

Popken, Anke. "Drivers’ reliance on lane keeping assistance systems as a function of the level of assistance." Doctoral thesis, Universitätsbibliothek Chemnitz, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-201000382.

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Fahrerassistenzsysteme werden zunehmend in Fahrzeuge eingebaut mit dem Ziel, den Fahrer beim Fahren zu unterstützen, Fahrfehler zu vermeiden und damit die Fahrsicherheit zu erhöhen. Derzeit sind häufig Systeme im Einsatz, die den Fahrer vor bestimmten Sicherheitsrisiken warnen (z.B. vor einem unbeabsichtigten Verlassen der Fahrspur). Der Trend geht aber hin zu Systemen, die stärker ins Fahrgeschehen eingreifen und somit Teile der Fahraufgabe automatisieren (z.B. selbständig die Spurhaltung des Fahrzeugs übernehmen). Aus der Forschung zur Mensch-Maschine Interaktion ist jedoch bekannt, dass Aut
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19

WANG, YI-JUN, and 王宜莙. "Who Makes You compare? How Social Comparisons Have Impacted on Emotional Reactions and Psychological Adaptation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/zk6gfg.

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碩士<br>亞洲大學<br>心理學系<br>107<br>Upward comparison has its self-incentive effect, but also has the feature of causing negative emotions because of the self-abasement. Therefore, this study attempts to explore the psychological contradiction of different emotional responses in the upward comparison to reveal the ambivalence, which greatly supports in understanding the self-process and psychological adaptation. The research has done under the basis of Han’s (2014) study; and further probes into emotional reaction of social comparisons by using the orthogonal design of subjects in the 2 (active and p
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20

Chao-YuanTseng and 曾朝源. "The Reaction Time of Color Adaptation for Screen Background below the Threshold of Texture Legibility." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/tf4n4x.

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博士<br>國立成功大學<br>工業設計學系<br>105<br>This study explored, under two different illumination conditions (normal daylight at D65 and low illumination), how chromatic adaptation affected the legibility, texture recognition of background threshold and then found the color threshold or texture that would not affect each other for those with color vision deficiency (CVD) and those who had normal color vision (NCV). The study mainly used the basic screen colors such as red, green, cyan and yellow and the Landolt ring system, associated with vision measurement, and formed them into experiment stimulus wit
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21

LU, CHIEN-TSUNG, and 呂建錝. "Reactions And Adaptations Of Traditional Intellectuals Under The Western Impact During The Late Qing Dynasty—A Case Study of Yao Ying." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5zqmge.

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碩士<br>國立中央大學<br>歷史研究所在職專班<br>106<br>This study selected the “The Chronicles of the Traveling to Kang” written by Yao Ying after the Opium Wars as the text for main analysis, and referred to various books written before the wars, such as “Collection of Articles of Dong Ming,” “Hou Hsiang Poetry Collection,” and “Brief Record.” Moreover, this study also reviewed official and private letters, such as memorials to the throne and correspondences to observe the process how Yao Ying was changed under the impact of western culture. The decline during the Jia-Dao period forced the intellectuals to
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22

Van, Dreese Barbara Jane. "A first-born child's behavioral reaction to the birth of a sibling in relation to self-care abilities, receptive language abilities, and preparation for the birth." 1985. http://catalog.hathitrust.org/api/volumes/oclc/13143368.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1985.<br>Typescript (photocopy). eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 53-55).
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23

Oomen, Rebekah Alice. "Adaptive and non-adaptive plasticity and fine-scale genetic variation in life-history reaction norms in Atlantic cod (Gadus morhua)." 2012. http://hdl.handle.net/10222/15806.

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The persistence of a species in the face of environmental change is a function of the extent to which populations respond differently to changes in their environment and the spatial correspondence between the scale of disturbance and the scale of adaptation. The pattern by which a population, or genotype, expresses a range of phenotypes across an environmental gradient is called a norm of reaction. The level of phenotypic plasticity displayed within a population (i.e. the slope of the reaction norm) reflects the short-term response of a population to environmental change while variation in rea
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24

Malienko, Anton. "Modèle attentionnel à deux étapes de la planification des mouvements de portée du bras et des saccades." Thèse, 2019. http://hdl.handle.net/1866/22875.

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25

Popken, Anke. "Drivers’ reliance on lane keeping assistance systems as a function of the level of assistance." Doctoral thesis, 2009. https://monarch.qucosa.de/id/qucosa%3A19288.

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Fahrerassistenzsysteme werden zunehmend in Fahrzeuge eingebaut mit dem Ziel, den Fahrer beim Fahren zu unterstützen, Fahrfehler zu vermeiden und damit die Fahrsicherheit zu erhöhen. Derzeit sind häufig Systeme im Einsatz, die den Fahrer vor bestimmten Sicherheitsrisiken warnen (z.B. vor einem unbeabsichtigten Verlassen der Fahrspur). Der Trend geht aber hin zu Systemen, die stärker ins Fahrgeschehen eingreifen und somit Teile der Fahraufgabe automatisieren (z.B. selbständig die Spurhaltung des Fahrzeugs übernehmen). Aus der Forschung zur Mensch-Maschine Interaktion ist jedoch bekannt, dass Aut
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26

Osadczuk, Elizabeth Ann. "Characterization of a cold-responsive dehydrin promoter." Thesis, 2014. http://hdl.handle.net/1805/4917.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>Dehydrins are type II LEA proteins induced in many plants during drought, low temperature, and high salinity to confer stress tolerance. AtERD14 is an Arabidopsis thaliana dehydrin that functions in part of the cold stress pathway. AtERD14 has chaperone-like capabilities that allow it to bind and protect various proteins from dehydration stresses. In order to determine the necessary components for cold induction of AtERD14, AtERD14prom::GFP/GUS and AtERD14prom::AtERD14 in AtERD14 KO constructs were created and stably transformed i
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