Dissertations / Theses on the topic 'Acclimatisation'
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MacNutt, Meaghan J. "Acclimatisation, de-acclimatisation and re-acclimatisation to hypoxia." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/37001.
Full textMunro, Kevin James. "Auditory acclimatisation to amplified speech in adults." Thesis, University of Southampton, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249949.
Full textBridgman, Stephen Adrian. "Cold acclimatisation and thermal status of Antarctic divers." Thesis, University of Aberdeen, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.291397.
Full textLee, J. A. C. "Biochemical, biophysical and morphological studies of temperature acclimation in the intestine of the common carp (Cyprinus carpio, L.)." Thesis, University of Liverpool, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382061.
Full textPedlar, Charles. "Sleep and exercise during acclimation and acclimatisation to moderate altitude in athletes." Thesis, Brunel University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.440313.
Full textAlberto, Cristina. "An investigation of acclimatisation to an unfamiliar spatial environment using virtual reality." Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368034.
Full textChey, Chor Khoon. "Cultural acclimatisation: Foreign students studying in a private educational institution in Singapore." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2007. https://ro.ecu.edu.au/theses/308.
Full textClements, Helen Gail, and n/a. "Science and Colonial Culture: Scientific Interests and Institutions in Brisbane, 1859-1900." Griffith University. School of Humanities, 1999. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050914.155807.
Full textClements, Helen Gail. "Science and Colonial Culture: Scientific Interests and Institutions in Brisbane, 1859-1900." Thesis, Griffith University, 1999. http://hdl.handle.net/10072/366139.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Humanities
Arts, Education and Law
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Whitehead, Georgina, and rj-gw@bigpond net au. "From acclimatisation towards ecology: The influence of environmental thought in Melbourne's public parkland ca 1850-1920." RMIT University. Architecture and Design, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080218.093050.
Full textNair, Vikas. "New place, new person? : is acclimatisation to university accompanied by change in scores on personality tests?" Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/12968/.
Full textGöttert, Thomas [Verfasser]. "On the acclimatisation of African rhinoceros after re-introduction to former livestock farmland in Namibia / Thomas Göttert." Hannover : Bibliothek der Tierärztlichen Hochschule Hannover, 2011. http://d-nb.info/1013284607/34.
Full textBufler, Manfred. "The ability of the corneal shape to adapt to acclimatisation with and without soft lenses during a change of altitude." Thesis, City University London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.440704.
Full textMäkinen, T. M. (Tiina M. ). "Human cold exposure, adaptation and performance in a northern climate." Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:951428089X.
Full textÅ, kerberg Sofia. "Knowledge and pleasure at Regent's Park : the gardens of the Zoological Society of London during the nineteenth century." Doctoral thesis, Umeå universitet, Historiska studier, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-59811.
Full textdigitalisering@umu
Haas, Manuela. "Auswirkung von Lichtakklimatisation und Saccharosedüngung auf Kohlenhydratgehalt und Vitalität von Ficus benjamina und Chamaedorea elegans." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2017. http://dx.doi.org/10.18452/17689.
Full textPlant quality can be influenced by acclimatisation. Most of the previous studies on plants for interior landscaping focused mainly on external quality. Therefore, this thesis presents the results of a study on Ficus benjamina and Chamaedorea elegans, investigating and analysing primarily inner quality characteristics (carbohydrates, chlorophyll, and flavonols). However, external quality characteristics (morphology, habitus, and vitality) were considered as well. In a first step, a new method was developed to determine the sugar content (fructose, glucose, sucrose) for both species. Cultivation of F. benjamina and Ch. elegans plants was carried out in five consecutive steps following standard practice of the value chain: production, light acclimatisation, transport in darkness, regeneration and interior spaces. These phases simulated different cultivation conditions, particularly varying light treatments. During the value chain the carbohydrate content (sugar and starch) in F. benjamina decreased 15 to 30 % and in Ch. elegans about 50 %. Light intensities below 350 µmol m 2 s-1 diminished carbohydrate concentrations depending on the plant species investigated. Based on these findings additional experiments were undertaken testing sugar supplied via the nutrient solution (7.5 g l-1, 10 g l-1 and 20 g l-1 sucrose). Both species investigated responded with different carbohydrate concentration and vitality. Sugar nutrition was particularly beneficial for Ch. elegans. This work provides a comprehensive and current overview of the capabilities and limitations to influence plant quality and vitality by light acclimatisation and sugar nutrition. For the first time, carbohydrate dynamics in interior plants has been studied in long term experiments in relation to their key cultivation stages for two important model species.
Pääkkönen, T. (Tiina). "Melatonin and thyroid hormones in the cold and in darkness:association with mood and cognition." Doctoral thesis, University of Oulu, 2010. http://urn.fi/urn:isbn:9789514261213.
Full textTiivistelmä Tutkimuksen tarkoituksena oli selvittää kylmäaltistuksen aiheuttamia muutoksia käpy- ja kilpirauhasen hormonien tasoissa, hormonien yhteyttä psyykkiseen toimintakykyyn sekä demografisten, antropometristen, fysiologisten ja biokemiallisten tekijöiden yhteyttä psyykkiseen toimintakykyyn kylmäakklimatisaation aikana. Lisäksi verrattiin virtsan melatoniinin (MT) ja 6-sulfatoksimelatoniinin (aMT6s) soveltuvuutta MT-erityksen kuvaajina. Laboratoriotutkimuksessa selvitettiin talveen liittyvää kylmäsopeutumista, sen vaikutusta hormonitasoihin ja näiden yhteyttä mielialaan ja älylliseen toimintakykyyn 15 nuorella miehellä, jotka altistettiin kylmälle talvella ja kesällä sekä kirkkaassa että hämärässä valossa. Kenttäkokeessa Antarktiksella selvitettiin mielialan ja älyllisen toimintakyvyn sekä demografisten, antropometristen, fysiologisten ja biokemiallisten tekijöiden välistä yhteyttä terveillä henkilöillä (n = 133) kesä- ja talvikauden alussa ja lopussa. Suoriutuminen yksinkertaisista tehtävistä huononi kylmässä kesällä ja talvella sekä laboratorio- että kenttäoloissa. Kylmä vaikutti monimutkaisista tehtävistä suoriutumiseen vaihtelevasti. Laboratoriotutkimuksessa seerumin MT- ja kilpirauhashormonitasot korreloivat positiivisesti mielialan kanssa. MT korreloi negatiivisesti yksinkertaisista tehtävistä suoriutumisen kanssa. Vapaa trijodotyroniini (T3) ja tyrotropiini (TSH) korreloivat vaihtelevasti yksinkertaisista tehtävistä suoriutumisen kanssa. TSH korreloi positiivisesti monimutkaisista tehtävistä suoriutumisen kanssa. Kenttätutkimuksessa korkeampi ikä oli yhteydessä huonontuneeseeen älylliseen toimintakykyyn erityisesti monimutkaisissa tehtävissä. T3:n kokonaismäärä korreloi positiivisesti mielialan ja tyroksiinin (T4) kokonaismäärä monimutkaisista tehtävistä suoriutumisen kanssa. Sekä virtsan MT että aMT6s olivat hyviä MT-erityksen mittareita, mutta MT:ssa vaihtelu oli pienempää. Laboratorio- ja kenttäolosuhteissa havaitut MT:n, TSH:n ja kilpirauhashormonien yhteydet mielialaan ja älylliseen toimintakykyyn vahvistavat aiemmin havaittuja tuloksia polaarisen T3 -oireyhtymän synnystä ja oireyhtymän eri vaiheisiin liittyvistä psyykkisistä muutoksista. Kenttätutkimuksessa mieliala ja älyllinen toimintakyky olivat yhteydessä koehenkilön ikään ja sukupuoleen, jotka puolestaan voivat vaikuttaa fysiologisiin muutoksiin kylmään ilmastoon ja pimeyteen sopeutumisen aikana
Johansson, Martin. "Hårdgörning av Asp." Thesis, Växjö University, School of Technology and Design, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-2291.
Full textHårdgörning av trä syftar till att göra materialet hårdare. Detta går att åstadkomma genom komprimering, det komprimerade materialet tenderar dock att återgå mot sin ursprungsform då materialet utsätts för fukt om ingen låsning sker. Låsningen kan ske mekaniskt i en treskiktskonstruktion som motverkar träets fuktrörelser. Dessa skivor har dock visat sig vara instabila och tidigare försök har uppvisat deformationer i form av kupning. Denna undersökning syftar till att utreda förutsättningarna för att använda komprimerad asp samt att ta fram underlag för framtagning av en kommersiell produkt.
Praktiska tester har genomförts för att studera hårdhet, återfjädring och densitet hos det komprimerade virket. Vidare har treskiktsskivor tagits fram för att testa om det går att få en stabil konstruktion genom att variera tjockleken på spärrskiktet. Även skillnader i acklimatiseringstid och fuktkvotens inverkan för virkets återfjädring har studerats.
Resultaten visar på att aspens hårdhet efter komprimering blir i samma nivå som bok och ask, en låg fuktkkvot vid komprimering av materialet ger en låg återfjädring, komprimerat material har en längre acklimatiseringstid till jämviktsfuktkvot och materialet går att låsa tvärs fiberriktningen i en treskiktskonstruktion.
To make wood harder it can be densified. This can be achieved by compression, the compressed material tends to return to the original shape when it is exposed to moisture fluxations and if no form of fixation occurs. The fixation can be done mechanically in a three-layer panel construction which reduce movements in the timber. These panels have been found to be unstable and previous attempts have shown deformations in form of cupping. This study aims to evaluate the conditions for using compressed aspen wood, and to provide a basis for development of a commercial product.
Practical tests have been conducted to study hardness, springback and density of the compressed wood. In addition, three-layer panels have been developed to test whether it is possible to have a stable construction by varying the thickness of the buttom layer. Differences in acclimatisation time and the moisture contents effect on the springback has aslo been studied.
The results show that the hardness of aspen wood after compression is in equal levels with beech and ashes, a low moisture contet provides a low springback, compressed timber have a longer time for acclimatisation and it is possible to fixate the material in the direction across the grain in a three-layer panel construction.
Phe, Balinda Siou Ing. "The Role of GABAA Receptor-mediated Neurotransmission in Ventilatory Acclimatisation to Hypoxia." Thesis, 2008. http://hdl.handle.net/1807/17212.
Full textHowells, Emily. "Coral symbionts in warming seas: population dynamics, adaptation and acclimatisation of Symbiodinium." Thesis, 2011. https://researchonline.jcu.edu.au/34422/1/34422-howells-2011-thesis.pdf.
Full textKnight, Jeffrey. "Interactive Effects of Hypoxia and Cocaine Treatment on Ventilatory Chemoreflexes and Locomotor Sensitisation." Thesis, 2008. http://hdl.handle.net/1807/17187.
Full textChung, Sean Everett Victor. "The role of GABA-mediated neurotransmission within the nucleus of the solitary tract in ventilatory acclimatisation to hypoxia in rats." 2005. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=362491&T=F.
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