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Dissertations / Theses on the topic 'Temperature'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Alvarenga, Ana Paula Dornelles de. "Estudos de sistemas cristalinos e liquidos por meio de espalhamentos Raman e Brillouin em função da temperatura." Universidade de São Paulo, 1993. http://www.teses.usp.br/teses/disponiveis/43/43133/tde-27022014-110533/.

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Espalhamentos Raman e Brillouin foram usados no estudo de vários sistemas que apresentam questões em aberto no comportamento de suas propriedades físicas com a temperatura. Estudamos materiais de interesse geofísico, como o rutilo Ti02 e o espinélio MgAl204. Os resultados de espalhamento Raman no rutilo Ti02, a temperaturas de 1000 K, mostraram que as frequências dos fônons ópticos diminuem pouco com a temperatura. A ausência de um modo soft a estas altas temperaturas, confirma a estabilidade da stishovite, material de estrutura análoga ao rutilo TiO2, e que existe no manto terrestre. As cons

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2

Harbison, Brian K. "Temperature stabilization for negative bias temperature instability." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Sep%5Harbison.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, September 2007.<br>Thesis Advisor(s):lWeatherford, Todd R. ; Parker, Andrew A. "September 2007." Joint authors: Description based on title screen as viewed on October 22, 2007. Includes bibliographical references (p.59-60). Also available in print.

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3

Hsu, Chuan-liang. "Influence of cooling rate on glass transition temperature and starch retrogradation during low temperature storage /." free to MU campus, to others for purchase, 1998. http://wwwlib.umi.com/cr/mo/fullcit?p9924889.

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4

Bezerra, Jose Raniere Mazile Vidal. "Comportamento reologico da polpa de manga (Mangifera indica L-Keitt)." [s.n.], 2000. http://repositorio.unicamp.br/jspui/handle/REPOSIP/255910.

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Orientador: Carlos Alberto Gasparetto<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-07-26T10:48:15Z (GMT). No. of bitstreams: 1 Bezerra_JoseRaniereMazileVidal_D.pdf: 32355992 bytes, checksum: 484ef63e0b0cbcd9ace1a86835808b69 (MD5) Previous issue date: 2000<br>Resumo: Neste trabalho experimental foi determinado o comportamento reológico da polpa de manga variedade Keitt na faixa de temperatura de 10°C a 60°C. A polpa integral foi produzida em planta piloto e refinada num "finisher" com peneira de 1,6mm. Foram

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Gozzo, Angela Maria. "Comportamento reologico de chocolates ao leite sem fibras e enriquecido com fibras soluveis." [s.n.], 2003. http://repositorio.unicamp.br/jspui/handle/REPOSIP/255950.

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Orientador: Carlos Alberto Gasparetto<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-03T09:36:55Z (GMT). No. of bitstreams: 1 Gozzo_AngelaMaria_M.pdf: 4762020 bytes, checksum: 0d5dc688b48d897c862795ea7fe818cb (MD5) Previous issue date: 2003<br>Resumo: Neste trabalho foi determinado o comportamento reológico de chocolate sem fibras e chocolate enriquecido com fibras solúveis. As amostras foram produzidas em planta piloto, aplicando-se a mesma formulação e processo para ambas as amostras, variando somen

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6

Stevan, Savić. "Кретање екстремних температура ваздуха на подручју Војводине у периоду 1951-2000". Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2009. https://www.cris.uns.ac.rs/record.jsf?recordId=16710&source=NDLTD&language=en.

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Тема докторске дисертације је анализа екстремених температура ваздуха на подручју Војводине (северни део Србије), која се простире на површини од 21.506 km2. У анализи су коришћене временске серије са десет метеоролошких станица за временски период од 1951. до 2000. године. Укупно је анализирано осам параметара екстремних температура, и то: средње максималне и минималне, апсолутне максималне и минималне и дани са екстремним температурама (ледени, мразни, летњи и тропски). Истовремено, у истраживање су укључене и временске серије распона средњих максимума и минимума, као и распон средњих апсолу

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7

Cieraad, Ellen. "Temperate oceanic treelines : low temperature effects on photosynthesis and growth." Thesis, Durham University, 2011. http://etheses.dur.ac.uk/3401/.

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Altitudinal treelines form where tree growth is limited by low growing season temperatures. However, exactly what aspects of temperature are critical remains unclear. Temperate New Zealand treelines are at a lower altitude than in comparable temperate regions elsewhere. Past studies have shown them to be warmer, and suggested that New Zealand montane trees are not capable of growing at cool temperatures. A detailed study at six sites showed that New Zealand treelines are not anomalously warm, but instead are within the global range of growing season soil temperature at treeline. The thermal en

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8

MELO, Jordanna Sousa de. "Análise de ondas de calor e de frio no Rio Grande do Sul por diferentes métodos." Universidade Federal de Campina Grande, 2017. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1421.

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Submitted by Lucienne Costa (lucienneferreira@ufcg.edu.br) on 2018-08-13T17:25:26Z No. of bitstreams: 1 JORDANNA SOUSA DE MELO – DISSERTAÇÃO (PPGMET) 2017.pdf: 3551837 bytes, checksum: 84c4d559fd24d6944745d0099094fe06 (MD5)<br>Made available in DSpace on 2018-08-13T17:25:26Z (GMT). No. of bitstreams: 1 JORDANNA SOUSA DE MELO – DISSERTAÇÃO (PPGMET) 2017.pdf: 3551837 bytes, checksum: 84c4d559fd24d6944745d0099094fe06 (MD5) Previous issue date: 2017-12-15<br>Com o intuito de identificar e analisar as ondas de calor e de frio que ocorrem no Rio Grande do Sul foi utilizado quatro diferentes proced

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Herculano, Juliana Cardoso. "Comportamento da temperatura obtida por radar meteórico na região tropical durante o Ciclo Solar 23." Universidade Estadual da Paraíba, 2015. http://tede.bc.uepb.edu.br/tede/jspui/handle/tede/2286.

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Submitted by Jean Medeiros (jeanletras@uepb.edu.br) on 2016-04-27T12:51:25Z No. of bitstreams: 1 PDF - Juliana Cardoso Herculano.pdf: 2901982 bytes, checksum: 1eb37789ca96855b4c63bd56d9a06682 (MD5)<br>Made available in DSpace on 2016-04-27T12:51:25Z (GMT). No. of bitstreams: 1 PDF - Juliana Cardoso Herculano.pdf: 2901982 bytes, checksum: 1eb37789ca96855b4c63bd56d9a06682 (MD5) Previous issue date: 2015-05-27<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Temperature values around 90 km height were used to investigate a possible relationship between the variations of

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Camillo, Luciano Mendes. "Estudo do ponto invariante com a temperatura (\"Zero Temperature Coefficient\") em transistores SOI Mosfet fabricados com tecnologia ultra-submicrométrica." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3140/tde-05042011-155808/.

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Neste trabalho é apresentado um estudo do ponto ZTC (Zero Temperature Coefficient) em dispositivos SOI MOSFETs, funcionando em modo parcialmente (PD-SOI) e totalmente (FD-SOI) depletados. O estudo é realizado a partir de um modelo analítico simples, proposto para determinação da tensão de polarização da porta do transistor no ponto ZTC (VZTC), através dos modelos de primeira ordem das características da corrente de dreno (IDS) em função da tensão aplicada a porta (VGF) do transistor, considerando as regiões de operação linear e de saturação. Para a validação do modelo, os resultados obtidos sã

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11

Wu, Xu. "Development of high temperature PEMFC and high temperature PEMWE." Thesis, University of Newcastle Upon Tyne, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555981.

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Polymer electrolyte membrane fuel cells (PEMFC) and polymer electrolyte membrane water electrolysers (PEMWE) are promising electrochemical energy conversion devices. This thesis describes research carried out on high temperature PEMFC and PEMWE. High temperature (> 100 QC) operation is one of the most topical research trends of PEMFC and PEMWE, because of the operational and kinetic advantages it can provide. In this research, an anhydrous solid electrolyte, Sb-doped SnP207 was prepared and characterized. The synthesis parameters, microstructure, and conductivity of Sb-doped SnP207 were studie

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12

Moore, Jay Gershon. "Temperature measurement and transition detection using temperature-sensitive paint." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10988.

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13

Denis, Paul. "Muscle temperature transients and post-exercise esophageal temperature elevation." Thesis, University of Ottawa (Canada), 2002. http://hdl.handle.net/10393/6309.

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The primary purpose of this research was to study esophageal temperature elevation and quadriceps and triceps intra-muscular temperature gradients during resting recovery from exercise. Eight physically active male participants and 24 +/- 4 years of age, rested in a buttocks supported upright posture for a 50 +/- 12.5 minutes in ambient conditions of 24.7 +/- 1.17°C and 24 +/- 4.6% relative humidity. Participants then performed a steady state cycle ergometry exercise at 70% VO2 max, until they reached until heat produced by exercise above metabolic rate accumulated to 1000 kJ. This was followe

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14

Cigas, Saulius. "Standaus apkrovimo ciklinių deformavimo parametrų nustatymas korozijai ir karščiui atsparaus plieno suvirintųjų sujungimų medžiagoms." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050613_152519-67955.

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Cigas S. Determination of low cycle straining parameters for weld metals of stainless steel: Master thesis of mechanical engineer / research advisor associate professor dr. R. Šniuolis; Šiauliai University, Technological Faculty, Mechanical Engineering Department.–Šiauliai, 2005.-68p. Strain and stress change during the exploitation depend on the type of material (hardening, softening or cyclically stabile), that is chosen for the constructions in low cycle loading. If we know the type of the material, we can determine the possibility of its application in concrete exploitation conditions. Rea

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15

Pavanelli, Caio Augusto Malvestio [UNESP]. "Viabilidade técnica e econômica da larvicultura do camarão-da-amazônia, Macrobrachium amazonicum, em diferentes temperaturas." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/86680.

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Made available in DSpace on 2014-06-11T19:22:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-07-22Bitstream added on 2014-06-13T18:08:09Z : No. of bitstreams: 1 pavanelli_cam_me_jabo.pdf: 994445 bytes, checksum: 1f78bc06337409e7583f2f9c3ed06cb2 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Universidade Estadual Paulista (UNESP)<br>Avaliou-se o efeito da temperatura da água no cultivo de larvas de Macrobrachium amazonicum. O delineamento experimental foi inteiramente casualizado, com quatro tratamentos (temperaturas) e quatro repetições. Foram reali

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Terra, Maisa de Oliveira. "Efeitos de Temperatura Finita nas Versões Integrável e Não-Integrável do Modelo de Lipkin-Meshkov-Glick." Universidade de São Paulo, 1996. http://www.teses.usp.br/teses/disponiveis/43/43131/tde-28022014-165420/.

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No presente trabalho usamos técnicas de física de muitos corpos não relativísticas para generalizar o limite clássico de sistemas quânticos de forma a incorporar misturas estatísticas. Efeitos de temperatura finita são estudados em detalhe no contexto das versões integrável e não integrável do modelo de Lipkin-Meshkov-Glick. Os dois aspectos mais notáveis de nossa análise são: o surgimento de um novo grau de liberdade essencialmente conectado a efeitos térmicos, ocorrendo a temperaturas suficientemente altas e uma caracterização quantitativa do efeito da temperatura no volume caótico do sistem

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17

Jacobi, Christoph, and Dierk Kürschner. "Mesopause region temperatures and plasma scale height estimations from VHF meteor radar and LF absolute reflection height measurements at Collm." Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-219583.

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The change of ionospheric absolute reflection heights h of low-frequency (LF) radio waves at oblique incidence in the course of the day is measured at Collm Observatory (51.3°N, 13.0°E) using 1.8 kHz sideband phase comparisons between the sky-wave and the ground wave of a commercial 177 kHz transmitter (Zehlendorf, reflection point 52.1°N, 13.2°E). Plasma scale height estimates H are calculated from the decrease/increase of h in the morning/evening. The day-to-day variations of H are compared with those of daily mean temperatures at 90 km, measured with a VHF meteor radar (36.2 MHz) at Collm u

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Feller, Christa. "Avaliação da difusão térmica na dentina e cemento radicular quando da utilização do Endox ® in vitro." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/23/23145/tde-04082006-093805/.

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O presente estudo teve por objetivo avaliar a difusão da temperatura desenvolvida na parede dentinária de raízes pelo uso de um aparelho eletrônico, recentemente lançado no mercado, denominado ENDOX® . É um sistema de tratamento endodôntico digital de eletrofulguração e que tem duas finalidades:- a) localizador apical por impedância, marcando o comprimento de trabalho no terço apical assinala quanto se está próximo da constrição apical; e, b) desinfecção do canal radicular por meio de corrente de alta freqüência (600 kHz), vaporizando o eventual conteúdo do canal, devido a fulguração eletrôn

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Carriel, Orlando Aparecido. "Efeito das variações de temperatura relacionadas às mudanças climáticas globais sobre as respostas fotossintéticas de macrófitas aquáticas de ecossistemas lóticos tropicais." Universidade Estadual Paulista (UNESP), 2018. http://hdl.handle.net/11449/153323.

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Submitted by Orlando Aparecido Carriel null (orlando.carriel@hotmail.com) on 2018-04-02T17:22:38Z No. of bitstreams: 1 Dissertação de Mestrado OAC - Versão Capa Dura (Padrão Unesp).pdf: 1074122 bytes, checksum: e6b5090eb690b059e1b2e38c0686fb9f (MD5)<br>Approved for entry into archive by Maria Luiza Carpi Semeghini (luiza@assis.unesp.br) on 2018-04-02T22:12:32Z (GMT) No. of bitstreams: 1 carriel_oa_me_assis.pdf: 1074122 bytes, checksum: e6b5090eb690b059e1b2e38c0686fb9f (MD5)<br>Made available in DSpace on 2018-04-02T22:12:33Z (GMT). No. of bitstreams: 1 carriel_oa_me_assis.pdf: 1074122 bytes, c

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Stübner, Konstanze. "Low-temperature thermochronology." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola&quot, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:105-6628348.

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Die Spaltspuren-Datierung als wesentliche Methode aus dem Bereich der Niedrigtemperatur-Thermochronologie basiert auf der Zählung und Messung geätzter Spuren unter dem Mikroskop. Für eine akkurate Altersbestimmung ist daher das Verständnis der Ätzung von größter Bedeutung. Ein atomistisches Modell und eine Monte-Carlo Computersimulation erklären Ätzgruben-Formen und deren Größenwachstum. Thermochronologie wird in zwei Fallstudien angewendet: eine umfassende Studie über die tektonische Entwicklung Zentralamerikas seit dem Paläozoikum zeigt, wie Geo- und Thermochronologie, Strukturgeologie und P

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Patterson, Peter A. "High temperature cyclones." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75974.

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Gas-solids separation was studied in a 102 mm diameter conventional cyclone operated with air heated to temperatures between 300 K and 2 000 K. Cyclone pressure drops, fractional and overall collection efficiencies were measured as functions of temperature, gas throughput, dust loading and cyclone geometry. Alumina and silica of 100% less than 44 $ mu$m mass median diameter were used as test dusts. Inlet velocities ranged from 3 to 42 m/s and inlet dust loadings were between 0.3 and 235 g/m$ sp3$.<br>Empirical models were derived to correlate the experimental results for the cyclone collection

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Taylor, Diana Jacqueline Falcon. "Temperature insensitive microemulsions." Thesis, University of Hull, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310404.

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Rumbold, Steven T. "Stratospheric temperature trends." Thesis, University of Reading, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501338.

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The stratospheric temperature trend has only been measurable on a global scale since the late 1970's during the satellite era. In the global annual mean, the stratosphere demonstrates a cooling over this time. This cooling is much greater than the warming at the Earth's surface and is therefore an important signature of climate change. Although models agree with the observations in terms of the sign of the temperature trend, there is inconsistency in the magnitude. In addition to the overall trend, the stratospheric temperatures demonstrate many scales of variability. One possible cause of thi

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Firth, S. "Low temperature photochemistry." Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378979.

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Craig, Jean Vivienne. "Measuring children's temperature." Thesis, University of Liverpool, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439593.

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Black, Victoria J. "High temperature supercapacitors." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12490.

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The scientific objective of this research program was to determine the feasibility of manufacturing an ionic liquid-based supercapacitor that could operate at temperatures up to 220 °C. A secondary objective was to determine the compatibility of ionic liquids with other cell components (e.g. current collectors) at high temperature and, if required, consider means of mitigating any problems. The industrial motivation for the present work was to develop a supercapacitor capable of working in the harsh environment of deep offshore boreholes. If successful, this technology would allow down-hole te

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Previdello, Bruno Alarcon Fernandes. "Oxidação de etanol em temperaturas elevadas." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/75/75131/tde-11032010-101652/.

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Atualmente existe um grande interesse mundial na substituição de produtos obtidos a partir do petróleo para o desenvolvimento de novos materiais a partir de fontes renováveis. Neste contexto, o estudo de células a combustível (Fuel Cell) tem recebido destaque em pesquisas tecnológicas. O uso de células a combustível como membrana trocadora de prótons (PEMFC) é uma das mais promissoras. A célula a combustível é um sistema eletroquímico que transforma diretamente energia química a partir de um combustível (hidrogênio, gás natural, etanol, etc.) em energia elétrica. No entanto, as células a c

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Lima, Ana Rebeca Castro. "Investigação sobre o efeito da temperatura na produção de calor em cabras da raça Saanen e Anglo-Nubiana /." Jaboticabal, 2017. http://hdl.handle.net/11449/151782.

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Orientador: Kléber Tomás de Resende<br>Coorientador: Marcia Helena Machado da Rocha Fernandes<br>Banca: Luiz Gustavo Ribeiro Pereira<br>Banca: Edney Pereira da Silva<br>Banca: Heraldo Cesar Gonçalves<br>Banca: Renato Luís Furlan<br>Resumo: Objetivou-se com o presente estudo determinar a influência da temperatura ambiente sobre o metabolismo basal e a partição de energia em cabras Saanen e Anglo-Nubiana. Dois experimentos foram conduzidos utilizando-se seis cabras da raça Saanen e seis cabras da raça Anglo-Nubiana, em mantença, a partir da técnica da calorimetria indireta de circuito aberto, co

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Martyniuk, Mariusz. "Low-temperature micro-opto-electro-mechanical technologies for temperature sensitive substrates." University of Western Australia. School of Electrical, Electronic and Computer Engineering, 2006. http://theses.library.uwa.edu.au/adt-WU2007.0042.

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[Truncated abstract] The salient feature of next generation infrared (IR) on-chip integrated sensors is likely to be sensitivity in a narrow wavelength band that is tuneable over a selected range of the IR spectrum. It is proposed that this can be achieved by the integration of present-day HgCdTe IR detectors with thin-film based microelectro- mechanical systems (MEMS) optical mirror technology. Narrow-band sensitivity is obtained by optical resonance phenomena within a Fabry-Perot (FP) cavity, that is created by two Bragg reflectors and is monolithically integrated with an HgCdTe IR detector.

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kumar, Amit. "TEMPERATURE INSIDE THE LANDFILL: EFFECTS OF LIQUID INJECTION AND AMBIENT TEMPERATURE." Master's thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2231.

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This study represents an analysis of comprehensive temperature and moisture content data collected from the anaerobic portion of a bioreactor landfill at the New River Regional Landfill, Florida, USA. The main focus of the study was the analysis of effects of the liquid injection on the temperature inside the landfill. When the leachate or groundwater at lower temperature than the landfilled waste is injected into the landfill, it has an initial cooling effect on the waste until the biological activity, enhanced by the additional moisture, releases heat. This cooling effect was tested in the s

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Marsh, M. G. "The effect of a temperature gradient on high temperature fretting wear." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267625.

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MacDonald, Timothy A. (Timothy Alan) 1974. "Electrical characterization of high temperature superconductors as a function of temperature." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/60136.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 2000.<br>Includes bibliographical references (p. 151-153).<br>The critical currents of silver sheathed multifilamentary Bi 2Sr 2Ca2 Cu3010 (BSCCO- 2223/Ag) tapes at temperatures ranging from 77 K to 110 K were measured using a typical four-terminal technique for two different BSCCO-2223/Ag tapes manufactured by Vacuumschmelze (VAC). The critical currents for the two VAC samples were measured as a function of magnetic field strength. The critical current of each sample was well described by the generalized Kim m

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Burgoon, Penny Wung. "Temperature sensitivity and temperature compensation of neurons in the suprachiasmatic nucleus /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487947908403649.

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Smarra, Devin A. "Low Temperature Co-Fired Ceramic (LTCC) Substrate for High Temperature Microelectronics." University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1493386231571894.

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Wolf, Kevin, André Ehrlich, and Manfred Wendisch. "Temperature profiles from airborne pyrgeometer measurements of broadband terrestrial radiation." Universität Leipzig, 2016. https://ul.qucosa.de/id/qucosa%3A16702.

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Profiles of broadband terrestrial radiation from airborne pyrgeometer measurements aboard research aircraft Polar 5 obtained during the VERDI campaign in 2012 were used to derive vertical temperature profiles. The retrievals were performed utilizing radiative transfer simulations by libRadtran (Mayer and Kylling, 2005). Manually changing the temperature of the input file for the simulations resulting calculated profiles of terrestrial irradiance were compared with measured profiles and iterated until best agreement. The selected test case shows the possibility of this technique and reveals sev

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Simões, Débora de Souza. "Ambiente físico e meteorológico para análise do risco de geada." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/132123.

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A geada é um fenômeno meteorológico adverso que causa perdas severas ao setor agrícola, em especial no Sul do Brasil. A baixa distribuição espacial da rede de estações meteorológicas dificulta o monitoramento e a previsão do fenômeno. O propósito principal desta tese foi o desenvolvimento de um modelo matemático para quantificar de forma direta e simples a probabilidade do risco de ocorrência de geada tendo como base em dados de fácil obtenção como altitude, latitude, continentalidade e temperatura do ar. O modelo criado, denominado Risco Geral de Geada (RGG), foi idealizado a partir de dois r

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Bleisteiner, Marcus, Markus Barth, Armin Raabe, and P. Holstein. "Tomografische Rekonstruktion der Raumtemperaturverteilung aus einer Raumimpulsantwort." Universität Leipzig, 2015. https://ul.qucosa.de/id/qucosa%3A16698.

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Temperature can be estimated by acoustic propagation time measurements along known sound paths. By using a multitude of known sound paths in combination with a tomographic reconstruction technique a spatial and temporal resolution of the temperature field can be achieved. Based on it, this article focuses on an experimental method in order to determine the spatially differentiated development of room temperature with only one loudspeaker and one microphone. The theory of geometrical room acoustics is being used to identify sound paths under consideration of reflections. The propagation time al

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Ocampo, Chuquipul Karla Dalila, and Romero Katherine Luz Del Pilar Zevallos. "Análisis y evaluación de factores que determinan el desarrollo del servicio de transporte en frío de productos alimenticios perecederos en un operador logístico." Bachelor's thesis, Universidad Ricardo Palma, 2015. http://cybertesis.urp.edu.pe/handle/urp/1295.

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La presente tesis tiene como propósito principal elaborar un análisis y evaluación de los factores más importantes que determinan el desarrollo del servicio de transporte de productos alimenticios perecederos en un operador logístico en la cadena de frío, en función a las necesidades del cliente y al correcto funcionamiento del servicio; con la finalidad de que la empresa se consolide como operador logístico, brindando los servicios de almacenamiento, consolidación de mercadería, transporte y distribución. A partir de una entrevista con el gerente general y el coordinador de transporte se p

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Jacobi, Christoph, Nadja Samtleben, and Gunter Stober. "Meteor radar observations of mesopause region long-period temperature oscillations." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-212263.

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Meteor radar observations of mesosphere/lower thermosphere (MLT) daily temperatures have been performed at Collm, Germany since August 2004. The data have been analyzed with respect to long-period oscillations at time scales of 2–30 days. The results reveal that oscillations with periods of up to 6 days are more frequently observed during summer, while those with longer periods have larger amplitudes during winter. The oscillations may be considered as the signature of planetary waves. The results are compared with analyses from radar wind measurements. Moreover, the temperature oscillations s

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Williams, Michael Eric. "Ab-initio elastic and thermodynamic properties of high-temperature cubic intermetallics at finite temperatures." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2779.

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Vasic, Aleksander Z. "High temperature properties and heat transfer phenomena for steam at temperatures up to 5000K." Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/9641.

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Thermodynamic and transport properties and heat phenomena for steam in a high temperature region were examined. First, a set of computer subroutines was developed -the Fraction code, for generating molar fractions of a dissociating steam and gas mixture for a given pressure and temperature. Second, a set of computer subroutines was developed for the computation of all possible combinations of binary diffusion coefficients and of the diffusion coefficient for the component through a gas mixture. Third, steam properties may be evaluated for an ideal gas mixture which includes no effect of chemic

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Jelena, Purać. "Molekularne osnove otpornosti polarnih insekata na niske temperature." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2009. https://www.cris.uns.ac.rs/record.jsf?recordId=82067&source=NDLTD&language=en.

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Sposobnost insekata da se prilagode različitim ekolo&scaron;kim uslovima je veoma dobrodokumentovana; oni predstavljaju najrasprostranjeniju grupu životinja na planeti, sa vrstama koje naseljavaju različita kopnena i vodena stani&scaron;ta, od tropskih predela do polova. Razumevanje mehanizama koji omogućavaju insektima da prežive ekstremne temperature i zadrže vitalne funkcije tokom dugog perioda dormancije je kao model sistem od interesa za mnoge naučne oblasti. Na osnovu načina na koji preživljavaju temperature ispod 0ºC insekte možemo podeliti u tri grupe:<em> i)</em> insekti koji tol

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Trezza, Beatriz Maria. "O efeito da exposição ao calor sobre o desempenho cognitivo de idosos: um estudo controlado." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/5/5144/tde-13052015-084847/.

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Introdução: Concomitante ao processo de envelhecimento populacional, estão ocorrendo mudanças climáticas, sendo a principal delas o aquecimento global. O envelhecimento leva a mudanças tanto nos mecanismos de termorregulação quanto no desempenho cognitivo. Embora inúmeros estudos tenham avaliado o efeito do calor sobre a cognição de adultos jovens, este é um tema praticamente inexplorado na população geriátrica. Objetivos: Avaliar o efeito da exposição ao calor sobre o desempenho cognitivo de idosos saudáveis e identificar fatores que expliquem as variações na susceptibilidade ao estresse térm

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Rashidi, Mohammadi Abdolreza. "MEMS pressure, temperature and conductivity sensors for high temperature and harsh environments." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/33783.

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Kraft pulp digesters have been used to convert wood chips into pulp for manufacturing a wide variety of paper products. Inside a kraft digester, chemical reactions remove lignin from their wood matrix in a caustic environment (pH~13.5, 170°C, 2MPa). Data on actual internal operating conditions in a kraft digester is needed to optimize kraft digester operation and obtain maximum production quality. Currently, this information is limited to selected static locations on the periphery of the digester. The objective of this thesis is to develop miniature temperature, pressure, and liquid conductivi

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Burger, Marco. "Prediction of the temperature distribution in asphalt pavement samples." Thesis, Stellenbosch : Stellenbosch University, 2005. http://hdl.handle.net/10019.1/50422.

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Thesis (MScEng)--Stellenbosch University, 2005.<br>ENGLISH ABSTRACT: The convection heat transfer coefficient between an infinite, horizontal surface and the natural environment is determined experimentally. It is shown that, during daytime, heat is transferred due to natural and forced convection, while during nighttime heat is transferred due to conduction and forced convection. Equations that correlate the daytime and nighttime convective heat transfer coefficients respectively, are presented. The results are compared with values obtained by other investigators. The equations for the

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Hernandez, Sinuhe. "High Temperature Wear Processes." Licentiate thesis, Luleå tekniska universitet, Maskinelement, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16827.

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Moving machine assemblies are increasingly exposed to extreme operating conditions involving high temperatures owing to demands on higher power densities, high performance/efficiency and extreme environments. The changes in surface and near surface properties of contacting surfaces caused by exposure to high temperature and deformation govern the occurrence of friction, wear and material transfer of the tribological system. However, these changes have not been thoroughly investigated. In order to enable development of new products and processes, there is a need for new knowledge pertaining to

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Wülfert, Florian. "Temperature-robust multivariate calibration." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2004. http://dare.uva.nl/document/76379.

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Sangwan, Veena. "Temperature sensing in plants." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=37831.

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It is now well established that cold-triggered calcium influx mediates cold-induced gene expression and development of freezing tolerance (cold acclimation). In this thesis, cold signaling events both upstream and downstream of calcium influx were examined.<br>First, it was shown that the studies on calcium mediation of cold acclimation in alfalfa cell suspension cultures could be applied to intact seedlings of Arabidopsis. Calcium chelators and channel blockers caused a strong reduction in the cold-induced accumulation of kin1 and kin2 transcripts, suggesting that calcium influx was an essent

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Bateman, Rodney William. "Cryogenic temperature sensor investigation." Thesis, Birkbeck (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313794.

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RABE, CLAUDIO. "TEMPERATURE EFFECTS ON SOILS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1998. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=1521@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>O presente trabalho apresenta um estudo do comportamento mecânico de um solo argiloso e um solo residual, submetidos a ensaios com temperaturas entre 20ºC e 70ºC. O programa experimental envolveu ensaios de caracterização (limites de Atterberg), ensaios de adensamento com carregamento incremental (SIC), triaxiais não drenados (CIU) e de cisalhamento direto. Para a realização dos ensaios de limites de Atterberg, as amostras foram previamente aquecidas em estufa. Para a realização dos ensaios de adensamento, triaxiais e de c

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