To see the other types of publications on this topic, follow the link: Population Concentrations.

Dissertations / Theses on the topic 'Population Concentrations'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 dissertations / theses for your research on the topic 'Population Concentrations.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.

1

Wiesen, Liesl M. "Blood lead concentrations in the cat population of Tampa, FL." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001550.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Rockell, Jennifer, and n/a. "Serum 25-hydroxyvitamin D concentrations and their determinants in the New Zealand population." University of Otago. Department of Nutrition, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080929.142611.

Full text
Abstract:
Adequate vitamin D status plays an important role in bone health and may also protect against Type 1 Diabetes (T1D), multiple sclerosis and certain cancers. Vitamin D is obtained from two sources; diet and through skin synthesis through the action of ultraviolet (UV) light. Dietary intakes of vitamin D are low in New Zealand (NZ) and the majority of our vitamin D comes from UV exposure. The NZ population may be at risk of low vitamin D status because of low dietary intakes, the country�s latitude (35-46 �S), and high proportion of darker skinned Maori and Pacific People. While case reports hav
APA, Harvard, Vancouver, ISO, and other styles
3

Sandhu, Manjinder Singh. "Circulating concentrations of insulin-like growth factors in the aetiology of chronic disease : a population based approach." Thesis, University of Cambridge, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620073.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Fontaine, Julie. "Variations temporelles des concentrations sanguines et des sources d'exposition au mercure, plomb et cadmium dans la population inuite du Nunavik." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24458/24458.pdf.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Milone, Cristiana. "Association between Serum Vitamin D Concentrations and Depression in the US Population: National Health and Nutrition Examination Survey, 1988-1994." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/nutrition_theses/5.

Full text
Abstract:
Background: The role of nutrients in mental health has recently been recognized and investigated. Vitamin D has been known to play a role in a wide range of diseases, such as bone, cardiovascular, and autoimmune diseases, and cancers. Recently, its role in cognitive function and mental health has been reported. Vitamin D receptor and hydroxylases have been mapped throughout the brain, suggesting a role for vitamin D in brain tissue. An inverse association between vitamin D and depression was observed in European epidemiologic studies. There is a paucity of data on the association between vitam
APA, Harvard, Vancouver, ISO, and other styles
6

Galindo, Marilys. "A Relationship Between the Florida Comprehensive Assessment Test 2.0 Mathematics Scores and Racial and Ethnic Concentrations when Considering Socio-Economic Status, ESOL Student Population." FIU Digital Commons, 2013. http://digitalcommons.fiu.edu/etd/1010.

Full text
Abstract:
From the moment children are born, they begin a lifetime journey of learning about themselves and their surroundings. With the establishment of the No Child Left Behind Act of 2001, it mandates that all children receive a high-quality education in a positive school climate. Regardless of the school the child attends or the neighborhood in which the child lives, proper and quality education and resources must be provided and made available in order for the child to be academically successful. The purpose of this ex post facto study was to investigate the relationship between the FCAT 2.0 mathem
APA, Harvard, Vancouver, ISO, and other styles
7

Alsouleman, Khulud [Verfasser], Michaela [Akademischer Betreuer] Dippold, Frank [Gutachter] Beneke, Michaela [Gutachter] Dippold, and Michael [Gutachter] Klocke. "Potential Impact of Increasing Ammonia Concentrations upon Microbial Population Dynamics in Anaerobic Meso- and Thermophilic driven Fermenters / Khulud Alsouleman ; Gutachter: Frank Beneke, Michaela Dippold, Michael Klocke ; Betreuer: Michaela Dippold." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://d-nb.info/1204255954/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Tcheslavskaia, Ksenia Sergeyevna. "Mating Success in Low-Density Gypsy Moth Populations." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/27859.

Full text
Abstract:
Field studies were conducted to evaluate the effect of mating disruption on the mating success of the gypsy moth, Lymantria dispar (L), in low-density populations. The gypsy moth is an insect pest of hardwood forests in many regions of the world. The discovery of the sex pheromone disparlure (cis-7,8-epoxy-2-methyloctadecane) produced by females marked the start of a new era in the control and management of gypsy moth populations. Sex pheromones, like disparlure, have been used for detecting new populations, monitoring the spread of populations and for population control based on the disruptio
APA, Harvard, Vancouver, ISO, and other styles
9

Ridner, Hannah. "The Law of Crime Concentration in Midsized Cities: A Spatial Analysis." TopSCHOLAR®, 2019. https://digitalcommons.wku.edu/theses/3122.

Full text
Abstract:
The geographic concentration of crime led to the proposal of the law of crime concentration in 2015 by David Weisburd. This contribution to crime and place literature needs further research to properly define, measure, and confirm this law. This study builds upon measurement techniques used in previous studies to measure crime concentration across a random sample of mid-sized cities, estimate the expected Gini coefficient in mid-sized cities, and analyze the variation in crime concentration across mid-sized cities. Determining the expected level of crime concentration and whether it varies acr
APA, Harvard, Vancouver, ISO, and other styles
10

Johnson, Jodien M. Mencken Frederick Carson. "Federal employment concentration and regional process in nonmetropolitan America." Waco, Tex. : Baylor University, 2008. http://hdl.handle.net/2104/5238.

Full text
APA, Harvard, Vancouver, ISO, and other styles
11

Cosby, Kerri L. "From Mission to Megacity: The Changing Concentration of the Los Angeles City-system." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd415.pdf.

Full text
APA, Harvard, Vancouver, ISO, and other styles
12

Gransden, Scott G. "The relative effects of food concentration and predation in controlling tropical ciliate populations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ27500.pdf.

Full text
APA, Harvard, Vancouver, ISO, and other styles
13

Håkansson, Johan. "Changing population distribution in Sweden : long term trends and contemporary tendencies." Doctoral thesis, Umeå universitet, Kulturgeografiska institutionen, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-100712.

Full text
Abstract:
The aim of the thesis is to describe and analyse the population redistribution in Sweden at different geographical levels from the beginning of the 19th century to the end of the 20th century. The analysis is approached in three different ways. First, the redistribution at different geographical levels is analysed (papers I and II). Second, the changing accessibility between people (interpersonal accessibility) is analysed from the beginning of the 19th century to the end of the 20th century (paper II). Third, the impacts of fertility, mortality, internal migration, international migration and
APA, Harvard, Vancouver, ISO, and other styles
14

Погорєлова, Оксана Сергіївна, Оксана Сергеевна Погорелова, Oksana Serhiivna Pohorielova, et al. "Coronary artery disease association with serum concentration and genetic variation of MMP-9 in Ukrainian population." Thesis, European Society of Cardiology, 2021. https://essuir.sumdu.edu.ua/handle/123456789/87549.

Full text
Abstract:
Coronary artery disease (CAD) is one of the main cause of death in European countries. The mortality associated with CAD has been rising for the past 30 years in Central and Easten Europe (including Ukraine). It is known that atherosclerosis is the primary risk factor of CAD development and Matrix metalloproteinase-9 (MMP-9) is involved in all stages of atherosclerosis and thus may contribute to CAD aggravation. It is very important to find specific mechanisms of atherosclerosis progression, the impact of genetic and external factors which influence on the development of CAD in different popu
APA, Harvard, Vancouver, ISO, and other styles
15

Burton, Samantha. "The Effect of Aerobic Exercise Versus Inactivity on Nitric Oxide Concentration and Synthesis in an Elderly Population." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/6140.

Full text
Abstract:
CONTEXT: Nitric Oxide (NO) is an endothelial-derived vasoactive molecule that causes an increase in blood flow and oxygen delivery to tissue. A reduction in NO bioavailability has been found to occur in adults over the age of 60 and can be reversed pharmacologically by improving NO synthase (NOS) activity. Reversing these age-related changes with alternative interventions, such as aerobic exercise, has shown some promising results. OBJECTIVE: To quantify blood NO-bioavailability (as measured by blood nitrite levels) in a population of aerobically trained elderly men and compare these data to a
APA, Harvard, Vancouver, ISO, and other styles
16

Khosla, Serena. "Serum Corticosterone Concentrations Related to Seasonal Variation in Reproductive Development in Natural Populations of Peromyscus leucopus noveboracensis." W&M ScholarWorks, 1995. https://scholarworks.wm.edu/etd/1539625969.

Full text
APA, Harvard, Vancouver, ISO, and other styles
17

Berg, Elizabeth A. "The effect of hydrological restoration on nutrient concentrations, macroinvertebrate communities, and amphibian populations in Lake Erie coastal wetlands." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1546553406508401.

Full text
APA, Harvard, Vancouver, ISO, and other styles
18

Digby, Jayne. "The relationship between faecal haemoglobin concentration and risk of significant colorectal neoplasia in screening and symptomatic populations." Thesis, University of Dundee, 2016. https://discovery.dundee.ac.uk/en/studentTheses/278e46d6-762b-4a0e-a2cc-3a3cbf475d52.

Full text
Abstract:
Faecal immunochemical tests for haemoglobin (FIT) are replacing traditional guaiac-based faecal occult blood (gFOBT) tests in bowel screening programmes due to their many advantages. An evaluation of using quantitative FIT within the Scottish Bowel Screening Programme (SBSP) has taken place with faecal haemoglobin (Hb) concentration recorded for 38,720 participants. Subsequently, it has been established that faecal Hb concentration is related to severity of colorectal neoplastic disease, with higher median faecal Hb concentration in participants with advanced neoplasia compared to those with l
APA, Harvard, Vancouver, ISO, and other styles
19

Silva, Jackeline de Pádua Pereira da 1987. "Entre metrópoles : mobilidade espacial da população, heterogeneidades e arranjo regional na aglomeração urbana de Jundiaí - SP." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/279755.

Full text
Abstract:
Orientador: Rosana Aparecida Baeninger<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Filosofia e Ciências Humanas<br>Made available in DSpace on 2018-08-25T20:51:19Z (GMT). No. of bitstreams: 1 Silva_JackelinedePaduaPereirada_M.pdf: 3044565 bytes, checksum: 79384d4724026a661b014299f73042c9 (MD5) Previous issue date: 2014<br>Resumo: Na divisão social do trabalho, a mobilidade espacial da população ganha novos contornos, manifestando deslocamentos - que antes eram de pequena importância - em diferentes espaços regionais, como é o caso dos movimentos pendulares. As
APA, Harvard, Vancouver, ISO, and other styles
20

Kalhok, Sarah Jill Gwennette. "Influence of biological factors on cadmium bioaccumulation and metallothionein concentrations in natural populations of the freshwater mussel Pyganodon grandis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq40888.pdf.

Full text
APA, Harvard, Vancouver, ISO, and other styles
21

CAMPOS, MONICA S. de. "Estudo da correlacao mercurio-selenio em amostras de cabelos de indios Wari." reponame:Repositório Institucional do IPEN, 2001. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10946.

Full text
Abstract:
Made available in DSpace on 2014-10-09T12:45:56Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:04:42Z (GMT). No. of bitstreams: 1 07539.pdf: 5143917 bytes, checksum: 6a88cd56ee216361faf630a8563ee875 (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
APA, Harvard, Vancouver, ISO, and other styles
22

Jeunesse, Paulien. "Estimation non paramétrique du taux de mort dans un modèle de population générale : Théorie et applications. A new inference strategy for general population mortality tables Nonparametric adaptive inference of birth and death models in a large population limit Nonparametric inference of age-structured models in a large population limit with interactions, immigration and characteristics Nonparametric test of time dependance of age-structured models in a large population limit." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLED013.

Full text
Abstract:
L’étude du taux de mortalité dans des modèles de population humaine ou en biologie est le cœur de ce travail. Cette thèse se situe à la frontière de la statistique des processus, de la statistique non-paramétrique et de l’analyse.Dans une première partie, centrée sur une problématique actuarielle, un algorithme est proposé pour estimer les tables de mortalité, utiles en assurance. Cet algorithme se base sur un modèle déterministe de population. Ces nouvelles estimations améliorent les résultats actuels en prenant en compte la dynamique globale de la population. Ainsi les naissances sont incorp
APA, Harvard, Vancouver, ISO, and other styles
23

Li, Qianqiu. "Bayesian inference on dynamics of individual and population hepatotoxicity via state space models." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1124297874.

Full text
Abstract:
Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xiv, 155 p.; also includes graphics (some col.). Includes bibliographical references (p. 147-155). Available online via OhioLINK's ETD Center
APA, Harvard, Vancouver, ISO, and other styles
24

Hennig, C., J. J. Mohr, A. Zenteno, et al. "Galaxy Populations in Massive Galaxy Clusters to z = 1.1: Color Distribution, Concentration, Halo Occupation Number and Red Sequence Fraction." OXFORD UNIV PRESS, 2017. http://hdl.handle.net/10150/623801.

Full text
Abstract:
We study the galaxy populations in 74 Sunyaev-Zeldovich effect selected clusters from the South Pole Telescope survey, which have been imaged in the science verification phase of the Dark Energy Survey. The sample extends up to z similar to 1.1 with 4 x 10(14)M(circle dot) <= M-200 <= 3 x 10(15)M(circle dot). Using the band containing the 4000 angstrom break and its redward neighbour, we study the colour-magnitude distributions of cluster galaxies to similar to m(*) + 2, finding that: (1) The intrinsic rest frame g - r colour width of the red sequence (RS) population is similar to 0.03 out to
APA, Harvard, Vancouver, ISO, and other styles
25

Figueroa, Iglesias Susely. "Integro-differential models for evolutionary dynamics of populations in time-heterogeneous environments." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30098.

Full text
Abstract:
Cette thèse porte sur l'étude qualitative de plusieurs équations paraboliques de type Lotka-Volterra issues de la biologie évolutive et de l'écologie, équations qui prennent en compte un taux de croissance périodique en temps et un phénomène de compétition non locale. Dans une première partie nous étudions d'abord la dynamique des populations phénotypiquement structurées sous l'effet des mutations et de la sélection dans des environnements qui varient périodiquement en temps, puis nous étudions l'impact d'un changement climatique sur ces populations, en considérant que les conditions environne
APA, Harvard, Vancouver, ISO, and other styles
26

Madriñan, Max Jacobo Moreno. "Eutrophication Trend of Lakes in the Tampa Bay Watershed and the Role of Submerged Aquatic Vegetation in Buffering Lake Water Phosphorus Concentration." Scholar Commons, 2008. https://scholarcommons.usf.edu/etd/373.

Full text
Abstract:
Twentieth century human settlement within the Tampa Bay watershed was linked to a dramatic mid-century decline in bay water quality and loss of seagrass acreage. Decades of direct and indirect nutrient discharges to the bay from phosphorus mining, fertilizer manufacturing, and wastewater treatment, as examples, impaired the estuary. In the past twenty years, regional stakeholders have worked to improve the bay water quality by reducing point and non-point source nutrient loading to the bay. Lakes within the Tampa Bay watershed may play an important role in attenuating the flow of nutrients int
APA, Harvard, Vancouver, ISO, and other styles
27

Gama, Phumelele Thuthuka. "Phytoplankton chlorophyll a concentration and community structure in two temporarily open/closed estuaries in the Eastern Cape, South Africa." Thesis, Nelson Mandela Metropolitan University, 2008. http://hdl.handle.net/10948/707.

Full text
Abstract:
River flow is important in controlling phytoplankton distribution in estuaries. Data on the effect of river inflow on phytoplankton distribution patterns in temporarily open/closed estuaries is lacking. This study investigated the influence of river inflow on size-fractionated phytoplankton biomass (Chl a), community composition and environmental parameters measured monthly over three years in two temporarily open/closed estuaries in the Eastern Cape, South Africa. A once-off primary production study over an annual cycle was completed in the Van Stadens and Maitland estuaries. The study monito
APA, Harvard, Vancouver, ISO, and other styles
28

Adiyanti, Sri. "A method to estimate chlorophyll-a concentration in the surface layer of a stratified lake from surface layer temperature time series, meteorogical fluxes, a knowledgeof blue-to-red peak absorption ratio and dissolved organic matter concentration /." Connect to this title, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0071.

Full text
APA, Harvard, Vancouver, ISO, and other styles
29

Gil, Marie-Ève. "Analyse d'équations intégro-différentielles et d'EDP non locales issues de la modélisation de dynamiques adaptatives." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0346.

Full text
Abstract:
Ce manuscrit de thèse porte sur l’analyse mathématique de modèles intégro-différentiels issus de la génétique des populations. Les deux modèles étudiés sont des équations de réaction-dispersion de type ∂tp(t,m) = UD[p](t,m) + f[p](t,m). Ils décrivent la dynamique de la distribution de la fitness (ou valeur sélective) dans une population asexuée sous l’effet des mutations et de la sélection représentées respectivement par les termes non locaux UD[p](t,m) et par f[p](t,m). La différence entre les deux modèles se situe au niveau du terme de mutation. En effet, dans le premier modèle, les effets des mut
APA, Harvard, Vancouver, ISO, and other styles
30

Van, Fleit William E. III. "Self-Reported Medical Conditions and Demographic, Behavioral and Dietary Factors Associated with Serum 25(OH)-Vitamin D Concentration in the US Adult Population." Digital Archive @ GSU, 2012. http://digitalarchive.gsu.edu/math_theses/114.

Full text
Abstract:
This research uses data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) to determine dietary and other factors associated with serum 25(OH)-Vitamin D concentration for 5,474 adults age 20 years and older. After multivariate adjustment, we found that serum 25(OH)-Vitamin D concentration was positively associated with diets high in fruits, vegetables, and lean meats, while diets high in processed foods and high-fat meats were inversely associated with vitamin D level. Serum 25(OH)-Vitamin D concentration was also signifi-cantly associated with age, gender, race/ethni
APA, Harvard, Vancouver, ISO, and other styles
31

Nordmann, Samuel. "Équations de réaction-diffusion, propriétés qualitatives et dynamique des populations." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS278.

Full text
Abstract:
Nous nous intéressons à certains problèmes issus des équations de réaction-diffusion et de leur application à la dynamique des populations. La première partie traite des solutions stationnaires stables des équations de réaction-diffusion. Nous nous intéressons en particulier à l'influence de la géométrie du domaine sur l'existence de solutions stables non-constantes, appelées patterns. Nous établissons un critère de non-existence de patterns pour des domaines généraux. Dans la deuxième partie, nous nous intéresserons à un modèle Hamilton-Jacobi pour la théorie de l'évolution darwinienne. Notre
APA, Harvard, Vancouver, ISO, and other styles
32

Croizier, Sophie. "Le développement des sous-populations des neurones producteurs de l'hormone de mélano-concentration reflète un changement de l'organisation précoce du prosencéphale de l'embryon de rongeur." Phd thesis, Université de Franche-Comté, 2011. http://tel.archives-ouvertes.fr/tel-00808444.

Full text
Abstract:
Les neurones exprimant l'hormone de mélano-concentration (MCH) sont observés dans l'hypothalamus postérieur de tous les vertébrés, de la lamproie à l'Homme. Ces neurones sont impliqués dans diverses fonctions comme le cycle veille/sommeil ou la prise alimentaire. Ils forment une population non homogène et au moins deux sous-populations sont reconnues, chez le rat. La première sous-population est composée de neurones nés au 11ème jour de vie embryonnaire (E11) qui projettent massivement sur les régions les plus postérieures du système nerveux central. La seconde est générée à E12/E13 et les neu
APA, Harvard, Vancouver, ISO, and other styles
33

Taing, Cécile. "Dynamique de concentration dans des équations aux dérivées partielles non locales issues de la biologie." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS077.

Full text
Abstract:
Cette thèse porte sur l'étude des dynamiques de masses de Dirac dans des équations aux dérivées partielles et intégro-différentielles issues de la biologie évolutive. Nous nous intéressons à des modèles de populations structurées en trait phénotypique en tenant compte des phénomènes d'adaptation et de mutations, afin de montrer la sélection d'individus les plus adaptés dans un environnement donné. La description de ces problèmes biologiques conduit à l'étude d'équations non linéaires et non locales, avec la présence d'un petit paramètre qui induit deux échelles de temps. Les solutions asymptot
APA, Harvard, Vancouver, ISO, and other styles
34

Graham, David J. "The socio-spatial boundaries of an 'invisible' minority : a quantitative (re)appraisal of Britain's Jewish population." Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:9bdbd348-b50c-4090-9e2d-e86ffe198601.

Full text
Abstract:
This study, located in the disciplines of human geography and demography, explores the socio-spatial boundaries encapsulating Britain’s Jewish population, particularly at micro-scales. It highlights and challenges key narratives of both Jewish and general interest relating to residential segregation, assimilation, partnership formation, exogamy and household living arrangements. It presents a critical exploration of the dual ethnic and religious components of Jewish identity, arguing that this ‘White’ group has become ethnically ‘invisible’ in British identity politics and, as a consequence, i
APA, Harvard, Vancouver, ISO, and other styles
35

Boussougou, Alain. "La concentration des populations dans les anciens chantiers d'exploitation forestière en Afrique centrale : Esquisse d’une anthropologie des rapports à la forêt dans les territoires recomposés au Cameroun et au Gabon." Thesis, Paris 5, 2012. http://www.theses.fr/2012PA05H011/document.

Full text
Abstract:
Cette thèse rend compte de la nature de la relation à la forêt des anciens salariés migrants installés dans les ex-chantiers d’exploitation forestière. Elle se déploie sur une double approche diachronique et synchronique. L’approche diachronique est subdivisée en deux temporalités : « l’âge préindustriel » et « l’âge industriel ». Cette fragmentation du passé a fourni à ce travail deux des trois parties sur lesquelles il s’articule. S’agissant de la première temporalité, elle reconstitue les conditions de vie des populations et définit le mode de gestion prégnant de la forêt avant l’installati
APA, Harvard, Vancouver, ISO, and other styles
36

Awasthi, Rakesh. "Application of modeling-based approaches to study the pharmacokinetics and pharmacodynamics of Delta-9-tetrahydrocannabinol (THC) and its active metabolite." Diss., University of Iowa, 2017. https://ir.uiowa.edu/etd/5410.

Full text
Abstract:
The medical use of marijuana is increasing, yet little is known about the exposure-response relationships resulting in its psychoactive effects. Δ9-tetrahydrocannabinol (THC) and its active metabolite (11-hydroxy-THC; THC-OH) are the principal psychoactive components in marijuana. It is well known that the plasma concentrations of the psychoactive components of marijuana do not directly relate to the observed psychoactive effects. The presence of a counter-clockwise hysteresis in the plasma concentrations-effect plot demonstrates a temporal delay between the plasma concentrations and observed
APA, Harvard, Vancouver, ISO, and other styles
37

Harris, Tegan Maree. "B-lactamase-mediated resistance to antimicrobials : the relationship between genotype and phenotype." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/77835/1/Tegan_Harris_Thesis.pdf.

Full text
Abstract:
This thesis examined the ability to predict the emergence of bacteria resistant to antibiotics using genetic markers in the bacteria. Bacteria containing the genetic markers were able to become resistant to antibiotics, whereas bacteria that did not have the genetic markers remained susceptible. Existing techniques can identify the presence of resistance by looking at the characteristics of the bacteria during growth. However, having the ability to predict antibiotic resistance before it emerges could improve the preservation of currently available antibiotics and minimise treatment failure.
APA, Harvard, Vancouver, ISO, and other styles
38

Robert, Marianne. "Le comportement des thons tropicaux autour des objets flottants : de l’étude des comportements individuels et collectifs à l’étude du piège écologique." Thesis, Montpellier 2, 2012. http://www.theses.fr/2012MON20118/document.

Full text
Abstract:
Le comportement des thons tropicaux autour des objets flottants : De l'étude des comportements individuels et collectifs à l'étude du piège écologiqueLes recherches en halieutique ont pour objectif d'améliorer les connaissances sur le fonctionnement des populations de poissons afin de transférer celle-ci vers des outils de gestion. Ce travail de thèse repose sur un ensemble d'expériences et de modélisations destinées à approfondir notre compréhension générale du comportement associatif de poissons grands pélagiques avec des objets flottantes à la surface de l'océan. Notre objectif est de teste
APA, Harvard, Vancouver, ISO, and other styles
39

Mondon, Hélène. "Les premiers « déplacés spéciaux » de Stalin et leur destinée dans le Nord européen de l’URSS." Thesis, Paris 4, 2011. http://www.theses.fr/2011PA040115.

Full text
Abstract:
De toutes les campagnes de déportations programmées par la direction stalinienne, la première est restée la plus importante. Elle touche en 1930-1931 plus d’un million huit cent mille paysans «dékoulakisés » – les premiers « déplacés spéciaux » de Stalin.En 1930, la région du Nord soviétique est choisie pour servir de laboratoire à cette triple expérience – répressive, sociale et humaine –, qui impose à des dizaines de milliers de familles d’exploiter les ressources naturelles de ce territoire hostile et de s’établir définitivement dans des « villages spéciaux », conçus pour devenir des offici
APA, Harvard, Vancouver, ISO, and other styles
40

Yi-PingLuo and 羅翊萍. "The Associations between Arsenic Concentrations in drinking water and Glaucoma: A Nationwide population-based Study in Taiwan." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/85875758608980633634.

Full text
Abstract:
碩士<br>國立成功大學<br>環境醫學研究所<br>104<br>Background: Arsenic is a naturally occurring metalloid that exists in inorganic as well as organic forms and often transported by groundwater. The association between arsenic exposure and the development of cancers and chronic diseases has been noted in humans since many years ago, such as vascular disease, neuropathy, and diabetes. Furthermore, arsenic toxicity may cause proliferation, and occlusion of vascular, which is associated with many eye diseases. Glaucoma is the second-leading of blindness and a complicated eye disease in which damage to the optic ne
APA, Harvard, Vancouver, ISO, and other styles
41

Hsieh, Han-Yu, and 謝函育. "Exposure to suspended particulates concentrations correlated to hospital admissions due to respiratory diseases in the urban and rural population." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/01116050614135387067.

Full text
Abstract:
碩士<br>國立陽明大學<br>環境與職業衛生研究所<br>100<br>Background and objective Air contaminated with various pollutants in urban and rural areas can cause long-term or short-term health effects. Recently, governments throughout the world have begun to pay attention to the association between the fine suspended particles PM2.5 and human health effects. In 2005, daily levels of PM2.5 particles have been included in the air quality monitoring stations in Taiwan. However, few studies have shown the associations between daily exposure to PM2.5 level and hospital admissions due to respiratory diseases. The objective
APA, Harvard, Vancouver, ISO, and other styles
42

Ayyanath, Murali Mohan. "Effect of Sublethal Concentrations of Imidacloprid and Precocene on Green Peach Aphid, Myzus Persicae (Sulzer) (Hemiptera: Aphididae): A Study of Hormesis at the Gene, Individual and Population Level." Thesis, 2013. http://hdl.handle.net/10214/7425.

Full text
Abstract:
Threshold and non-threshold linear models that govern toxicology are challenged by an alternative model, hormesis. It is defined as low-dose stimulation and high-dose inhibition from a stressor. Insecticide-induced hormesis has been studied in a plethora of insect-insecticide models at biochemical, individual and population levels. This research focuses on the effects of sublethal concentrations of insecticides on reproductive responses of green peach aphid, Myzus persicae (Sulzer), at individual and population level besides regulation of stress, dispersal and developmental genes during hor
APA, Harvard, Vancouver, ISO, and other styles
43

Edgar, Barbara. "Migrant concentrations as zones of transition : ethnic assimilation and pluralism scenarios in Sydney and Melbourne, Australia." Phd thesis, 2012. http://hdl.handle.net/1885/149849.

Full text
Abstract:
This thesis study is an intergenerational analysis of ethnic residential concentration, dispersion and socio-economic mobility in Australia's two main immigrant receiving cities, Sydney and Melbourne. The arrival of seven million immigrants from almost 200 countries since the end of World War 2 has transformed many urban local areas, that were once culturally homogeneous, into multi-ethnic neighbourhoods. Such areas are a spatial reflection of complex interactions between social and economic forces, the interpretation of which is debated. This study considers whether ethnic residential concent
APA, Harvard, Vancouver, ISO, and other styles
44

Jobse, Ané. "The influence of genetic polymorphisms of fibrinogen genes on changes in total fibrinogen and fibrinogen gamma prime concentrations over time in black South Africans / Ané Jobse." Thesis, 2014. http://hdl.handle.net/10394/10856.

Full text
Abstract:
INTRODUCTION AND AIM - Cardiovascular disease is globally a major risk factor for morbidity and mortality. It is caused by various factors, one of which is an abnormal haemostatic process. Fibrinogen is a haemostatic factor that is considered to be an independent risk factor for cardiovascular disease. Elevated fibrinogen can be caused by environmental and genetic factors which increase the risk of the occurrence of thrombosis. The fibrinogen y' chain, which is one of the three chains of fibrinogen, has two different variants, the yA and y’. The presence of the fibrinogen y’ chain has been ass
APA, Harvard, Vancouver, ISO, and other styles
45

CHEN, HSUEH-HUI, and 陳雪慧. "Single-Point Plasma Concentration Profiling Enzymatic Activity Using Population Pharmacokinetic Modeling." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/00684593910520184419.

Full text
Abstract:
碩士<br>臺北醫學大學<br>藥學系<br>91<br>Abstract The purpose of personalized drug therapy is to identify not only the best drug to be administered to a particular patient, but also the most effective and safest dosage from the outset of therapy. It is known that genetic variability in drug response occurs as a result of molecular alterations at the level of drug metabolizing enzymes, drug targets/receptors, and drug transport proteins. It would play a crucial role to correlate the relationship between the genotyping and the phenotyping in successfully accomplishing personalized drug therapy.
APA, Harvard, Vancouver, ISO, and other styles
46

Żmudzki, Sebastian. "Adaptations to elevated copper concentrations in invertebrates : multigeneration studies on Tribolium castaneum." Praca doktorska, 2015. https://ruj.uj.edu.pl/xmlui/handle/item/45212.

Full text
APA, Harvard, Vancouver, ISO, and other styles
47

Huang, Han-Ting, and 黃瀚霆. "Concentration distribution of heavy metals in foodstuffs and health risk assessment in Taiwan population." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/zeax8m.

Full text
Abstract:
碩士<br>弘光科技大學<br>職業安全與防災研究所<br>103<br>Accompany with the industry development and the increasing of environmental pollutants, the potential toxic metals (e.g. lead, cadmium and mercury) have been released into water, soil by air dispersion, wasted water, disposal of industrial wastes and overuse of agricultural purposes. Due to the heavy metals are less mobility and high residual in environment, they can accumulate in environmental easily. Therefore, people may expose to heavy metals by ingestion of contaminant food after the bio-concentration or bioaccumulation. Therefore, the present study ai
APA, Harvard, Vancouver, ISO, and other styles
48

Merola, Rose Brittany. "Biomarkers of Exposure: Arsenic Concentrations in Keratin in Populations Exposed to Arsenic in Drinking Water." Diss., 2014. http://hdl.handle.net/10161/8750.

Full text
Abstract:
<p>Arsenic (As) exposure via groundwater consumption is a global health problem affecting millions. Monitoring exposure is a key step in understanding and predicating future health outcomes. This thesis explores the relationships between arsenic concentrations in toenails and arsenic in water. Three case studies were investigated, with residents from: North Carolina, USA (n=103); the Rift Valley, Ethiopia (n=60); and the Mekong Delta, Vietnam (n=65). Arsenic concentrations above the WHO's recommended 10ppb limit were found in groundwater from the three research sites. </p><p>Arsenic in toenail
APA, Harvard, Vancouver, ISO, and other styles
49

Chang, Yuan, and 張元. "Calculation of Bone Calcium Hydroxyapatite Concentration Using Abdomen Gemstone Spectral Computer Tomography Imaging in Taiwan Population." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/2z57sk.

Full text
APA, Harvard, Vancouver, ISO, and other styles
50

Giroux, Patricia. "Évaluation de l'efficacité et établissement du dosage thérapeutique de l'anticonvulsivant Lévétiracétam dans une population pédiatrique épileptique." Thèse, 2007. http://hdl.handle.net/1866/8015.

Full text
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!