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Relevant bibliographies by topics / Extremely low temperatures / Dissertations / Theses

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Dissertations / Theses on the topic 'Extremely low temperatures'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

Kichhannagari, Sridevi. "Effects of extreme low temperature on composite materials." ScholarWorks@UNO, 2004. http://louisdl.louislibraries.org/u?/NOD,140.

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Thesis (M.S)--University of New Orleans, 2004.<br>Title from electronic submission form. "A thesis ... in partial fulfillment of the requirements for the degree of Master of Science in the Department of Mechanical Engineering."--Thesis t.p. Vita. Includes bibliographical references.

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2

Moen, Kurt Andrew. "Modeling of minority carrier recombination and resistivity in sige bicmos technology for extreme environment applications." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26642.

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Thesis (M. S.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Cressler, John; Committee Member: Citrin, David; Committee Member: Shen, Shyh-Chiang. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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3

Chen, Tianbing. "Operation of SiGe BiCMOS Technology Under Extreme Environments." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7559.

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Operation of SiGe BiCMOS Technology Under Extreme Environments Tianbing Chen 96 pages Directed by Dr. John D. Cressler "Extreme environment electronics" represents an important niche market and spans the operation of electronic components in surroundings lying outside the domain of conventional commercial, or even military specifications. Such extreme environments would include, for instance, operation to very low temperatures (e.g., to 77 K or even 4.2 K), operation to very high temperatures (e.g., to 200 C or even 300 C), and operation in a radiation-rich environment (e.g., space). The

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4

Cunningham, Michael Lawrence. "A High Temperature Wideband Low Noise Amplifier." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/78388.

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As the oil industry continues to drill deeper to reach new wells, electronics are being required to operate at extreme pressures and temperatures. Coupled with substantial real-time data targets, the need for robust high speed electronics is quickly on the rise. This paper presents a high temperature wideband low noise amplifier (LNA) with zero temperature coefficient maximum available gain (ZTCMAG) biasing for a downhole communication system. The proposed LNA is designed and prototyped using 0.25μm GaN on SiC RF transistor technology, which is chosen due to the high junction temperature capab

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5

Westby, Rebecca Marie. "Extreme temperature regimes during the cool season: recent observed behavior and low frequency mode modulation." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42889.

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During the boreal cool season, regional climate in the United States is strongly impacted by extreme temperature regimes (ETRs), including both cold air outbreaks (CAOs) and warm waves (WWs), which have significant impacts on energy consumption, agriculture, as well as the human population. Using NCEP/NCAR and MERRA reanalysis data, the statistical characteristics of ETRs over three distinct geographical regions are studied: the Midwest (MW), Northeast Megalopolis (NE), and Deep South (SE). The regional long-term variability in the frequency and amplitude of ETRs is examined, and the modulatio

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6

Liu, Xiaojiao. "Crystallisation studies of biodiesel at extreme conditions." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28859.

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Whilst biodiesel has many advantages as a renewable-energy fuel and as a substitute source of petroleum diesel, it suffers from poor performance at both low temperatures and high pressures. Not only does biodiesel crystallise at low temperatures below ~0 °C, but it also crystallises under the high pressures experienced in common-rail and injector systems within diesel engines. Crystalline solids induced by temperature and pressure can clog filters and injectors in the diesel engine, thereby causing engine failure. This thesis focuses on developing an enhanced understanding of the behaviour of

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7

Bowgen, A. D. "Low temperature protein metabolism : the energetic costs of living and growing at thermal extremes." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.596827.

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To determine if evolution to polar water temperatures has altered the way in which Antarctic marine organisms adapt to changing temperature, protein metabolism, growth and ATP allocation were examined in the Antarctic teleost <i>Harpagifer antarcticus, </i>and compared with data from two temperate teleosts, <i>Lipophrys pholis </i>and <i>Parablennius gattorugine.</i> The energetic cost of protein synthesis in the Antarctic limpet, <i>Nacella concinna</i>, was similar to that measured in other non-polar ectotherms, and unaffected by acclimation temperature. The rate of protein synthesis in <i>H

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8

Kenyon, Eleazar Walter. "Low-noise circuitry for extreme environment detection systems implemented in SiGe BiCMOS technology." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44873.

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This work evaluates two SiGe BiCMOS technology platforms as candidates for implementing extreme environment capable circuitry, with an emphasis on applications requiring high sensitivity and low noise. In Chapter 1, applications requiring extreme environment sensing circuitry are briefly reviewed and the motivation for undertaking this study is outlined. A case is then presented for the use of SiGe BiCMOS technology to meet this need, documenting the benefits of operating SiGe HBTs at cryogenic temperatures. Chapter 1 concludes with a brief description of device radiation effects in bipolar a

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9

Barboza, Felipe Moreira. "STUDY OF VIBRATIONAL PROPERTIES OF THYMIDINE CRYSTAL IN EXTREME CONDITIONS OF PRESSURE AND TEMPERATURE." Universidade Federal do CearÃ, 2017. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=18956.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>The unit of sugar and base connected by a N-β-glycosyl linkage is named a nucleoside. In the present work the nucleoside thymidine, whose molecular formula is C10N2O5H14, was studied by Raman spectroscopy, subjecting it extreme conditions of pressure and temperature, as well as X ray diffraction measurements. An auxiliary analysis of normal crystal vibration modes was performed using first principles calculations using the B3LYP functional together with the Gaussian bases 6-31G+(d) and potential energy distribution analysis (P

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10

Westby, Rebecca Marie. "Extreme temperature regimes during the cool season: Their trends, variability, triggers and physical connections to low frequency modes." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54899.

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During the boreal cool season (December – February) extreme temperature regimes (ETRs), including cold air outbreaks (CAOs) and warm waves (WWs), affect regional economies and human safety via their significant impacts on energy consumption, local agriculture and human health. This work aims to improve our understanding of the trends and variability in ETRs, their physical connections to low frequency modes, and the dynamical mechanisms leading to ETR onset. Earlier studies on ETR trends and variability do not consider the last decade. Further, little is known about the physical and dynamical

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11

Epp, Viktor, Özgül Gün, Hans-Jörg Deiseroth, and Martin Wilkening. "Extreme mobility: low-temperature NMR probes highly diffusive Li+ ions in argyrodite-type Li 6 PSe 5 Cl and Li 6 PS 5 Br." Diffusion fundamentals 20 (2013) 85, S. 1-2, 2013. https://ul.qucosa.de/id/qucosa%3A13672.

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12

Najafizadeh, Laleh. "Design of analog circuits for extreme environment applications." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31796.

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Thesis (Ph.D)--Electrical and Computer Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Cressler, John; Committee Member: Papapolymerou, John; Committee Member: Shen, Shyh-Chiang; Committee Member: Steffes, Paul; Committee Member: Zhou, Hao Min. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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13

Biggs, Timothy James. "Studies of crystalline organic molecular materials under extreme conditions." Thesis, University of Oxford, 2006. http://ora.ox.ac.uk/objects/uuid:51dae806-2954-4ea7-a3cb-1980ecb53e98.

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This thesis describes investigations into the properties of -phase BEDT-TTF charge transfer salts. Charge transfer salts are mainly studied as they are very useful test beds for fundamental physics due to the tuneability of their proper- ties and ground states. The effects of temperature and pressure on such systems have been studied, as these allow access to a wide range of different states and properties. Transport properties of these systems have been studied to obtain information about the Fermi surface and effective mass, and the effect of deuter- ation and also change of pressure media w

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14

Wilcox, Edward. "Silicon-germanium devices and circuits for cryogenic and high-radiation space environments." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/33850.

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This work represents several years' research into the field of radiation hardening by design. The unique characteristics of a SiGe HBT, described in Chapter 1, make it ideally suitable for use in extreme environment applications. Chapter 2 describes the total ionizing dose effects experienced by a SiGe HBT, particularly those experienced on an Earth-orbital or lunar-surface mission. In addition, the effects of total dose are evaluated on passive devices. As opposed to the TID-hardness of SiGe transistors, a clear vulnerability to single-event effects does exist. This field is divided into

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15

KUCHYŇKOVÁ, Ivana. "Krizová připravenost vybrané zoologické zahrady." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-395617.

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The introduction of the theoretical part is devoted to the analysis of threats, another part to the rescue of animals. In the next part, I focused on zoological gardens and evacuation of animals. The last chapter of the theoretical part deals with the evacuation of selected species of animals. When selecting individual species, I focused on those that are most represented in Dvorec Zoo. The aim of my thesis was to create an analysis of the preparedness of the selected zoo to selected crisis situations and to identify the risks of evacuation of the zoo. In order to achieve these goals, I have

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16

Lin, I.-Hui, and 林怡慧. "An Extremely Low Power Temperature Sensor Using Leakage Current as the Sensing Mechanism." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/79832596698548781333.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>94<br>The goal of this research is to design an extremely low power temperature sensor suitable for microprocessor array and biochip. Using leakage current is a new concept of sensing mechanism. The proposed temperature sensor composed of N-well/P+ diode for generating leakage current. Besides, to perform frequency output for convenience, a feedback element is controlled the sensing element and the output frequency. An expected result of output frequency to temperature was analyzed with mathematical model. This temperature sensor is to be implemented in a 0.35 μm

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17

Tsai, ShuiYi, and 蔡淑儀. "Study of SiO2 thin films in MIS devices at extremely low temperature by ICP-CVD process." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/42349509207766922759.

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碩士<br>國立成功大學<br>微機電系統工程研究所<br>94<br>Scaling down the electric device dimension is an inevitable tendency with each new generation in semiconductor industry. While the dimensions of devices continue to shrink, the thickness of the insulator layer is also reduced. The shrinkage of the oxide thickness increase direct tunneling through the gate dielectric and degrades the gate oxide reliability. For minimizing the gate leakage current, many new technologies are recommended to grow a high quality thin oxide film. The future trend has also turned it into focusing on the mobility and new applications

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18

Xue, Zhao Xiang, and 薛兆翔. "Phenology of Flowering and Fruiting and the Effect of Extreme Low Temperature at Xuejian Area." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/08610048695642190534.

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碩士<br>國立中興大學<br>森林學系所<br>105<br>The local plant phenological data provide the response of the plant phase on the time series. It can understand the relationship between the process of morphological changes during the growth, development and reproduction of the plant and the climate. The temporal structure of the plant phenology in the vegetation is not only the basics of insects, frugivore and other animal community, but also is the critical biological information for plant breeding, conservation and restoration of rare animal and plants, which maintain the stability of ecosystems.Flowering an

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19

Gao, Ming-Sein, and 高明賢. "The Shearing Behavior Research of Single Crystal Copper on Different Shear Orientation and Effects of Precipitates at Extremely Low Temperature by Molecular Dynamics Simulation(MD)." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/5uhgjp.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>99<br>In this thesis, mechanical properties and shear behavior of the single-crystal copper were simulated at low extremely temperature by molecular dynamics(MD), and those effects of precipitates on plastic behavior were discussed. Besides, plastic deformation behavior for different shear planes, orientations, moving rates, precipitate size and distance were also discussed. The Cu blocks were described by the EAM potential function to build up the model；the plastic deformation of the lattice structure of the material were produced by the moving rigid boundary. This

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20

Gilpin, Cheryl. "Diel Temperature and Dissolved Oxygen Patterns in Sites with and without Planktonic Life Stage of Thompsodinium intermedium in Comal Springs, TX." Thesis, 2012. http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-11222.

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Between July 2009 and October 2011, a new habitat was found for a rarely reported freshwater dinoflagellate species, Thompsodinium intermedium - Comal Springs (Comal County), Texas. In 2011, diel in-situ monitoring in monospecific blooms of this species revealed previously undetected negative impacts on endangered species habitat availability associated with conditions of low flow levels, recorded at the U.S. Geological Survey gage # 08169000 on Texas Commission on Environmental Quality river segment 1811 station 12655. During a period of low springflow in the summer of 2011, late afternoon an

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