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Dissertations / Theses on the topic 'Low temperature activated systems'

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Published: 7 June 2025

Last updated: 16 July 2025

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1

Khalil, Hala. "Model Medicago species for studies of low temperature signaling and cold acclimation." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30844.

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To identify a model legume experimental system for studying low temperature signaling and cold acclimation, cold-induced expression and regulation of homologues of alfalfa (Medicago sativa) cold acclimation-specific genes cas15 and cas30 were examined in M. arborea (relatively frost tolerant) and M. truncatula (relatively frost sensitive). Both cas15 and cas30 genes are present in the genomes of both species but whereas both genes are cold-induced in M. arborea, only cas15 is induced in M. truncatula. Cold-induced expression of these genes is inhibited by calcium chelators and channel blockers

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2

Freeman, Gregory Edward. "Low Temperature Calorimetry and Alkali-Activated Slags." Digital WPI, 2014. https://digitalcommons.wpi.edu/etd-theses/1181.

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The American Society of Civil Engineers’ (ASCE’s) “2013 Report Card for America’s Infrastructure” estimated that “32% of America’s major roads are in poor or mediocre condition.” An estimated $100 billion dollars are needed to maintain that condition, and an additional $79 billion is needed to improve the quality of American roadways to an acceptable level. In many regions around the US, the service lives of concrete pavements are limited by the damage caused by freezing and thawing of pore solution inside the pavements. Alkali-activated slags (AAS) are produced from ground granulated blast fu

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3

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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4

Montanez, Morantes Maria Vanessa. "Operational optimisation of low-temperature energy systems." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/operational-optimisation-of-lowtemperature-energy-systems(a22bd339-1473-4401-bbc5-2e1280e57756).html.

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Low-temperature energy systems are processes that operate below ambient temperatures and make use of refrigeration cycles, where the main energy consumption is due to the shaft work required to drive the compressors. Very-low-temperature energy systems, also known as cryogenic processes, operate at around -150°C and below. Due to increasing demand of products from cryogenic processes and tighter environmental regulations, existing plants need to be revamped to increase their energy efficiency or adapt to new processing capacities. So, accurate models of the performance of cryogenic processes a

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5

Farrokhpanah, Sonia. "Design of heat integrated low temperature distillation systems." Thesis, University of Manchester, 2009. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:228854.

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This work addresses the challenges in design of heat integrated low-temperature separation processes. A novel, systematic and robust methodology is developed, which contributes to the design practice of heat-integrated separation sequence and the refrigeration system in the context of low-temperature separation processes. Moreover, the methodology exploits the interactions between the separation and refrigeration systems systematically in an integrated design context. The synthesis and optimisation of heat-integrated separation processes is complex due to the large number of design options. In

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6

Jazbec, Melita. "Kinetics and modelling of low temperature lean combustion systems." Phd thesis, Department of Chemical Engineering, 2002. http://hdl.handle.net/2123/7195.

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7

Ma, Wei. "Low temperature metal-based micro fabrication and packaging technology /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?MECH%202005%20MA.

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8

Symes, Daniel Robert. "Development of on-demand low temperature electrolysers and their systems." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/5926/.

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Industrial alkaline electrolysers were electrochemically characterised and analysed on an internal combustion engine. These electrolysers exhibited low efficiencies, low gas flowrates and subsequently zero change in engine emissions due to the poor design and build. An improved alkaline electrolyser was designed, built and tested exhibiting improved efficiency/gas output compared to the industrial electrolysers and an improved reduction in emissions. The increased power consumption of the electrolyser results in a rise in electrode degradation which is responsible for the decrease in electrode

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9

Rattner, Alexander S. "Single-pressure absorption refrigeration systems for low-source-temperature applications." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53912.

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The diffusion absorption refrigeration (DAR) cycle is a promising technology for fully thermally driven cooling. It is well suited to applications in medicine refrigeration and air-conditioning in off-grid settings. However, design and engineering knowhow for the technology is limited; therefore, system development has historically been an iterative and expensive process. Additionally, conventional system designs require high-grade energy input for operation, and are unsuitable for low-temperature solar- or waste-heat activated applications. In the present effort, component- and system-level

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10

Kim, Yoonkap. "Low temperature melting point metals for hot MEMS electrical switching." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Thesis/Fall2007/Y_Kim_121307.pdf.

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11

Lee, Guang-Chung. "Optimal design and anaylysis of refrigeration systems for low temperature processes." Thesis, University of Manchester, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.506294.

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12

Goetze, Wolf Daniel. "Finite temperature dynamical structure factors of low dimensional strongly correlated systems." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:a7d1c49c-4d2b-45a8-854a-aad7f7e18f72.

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We determine the dynamical structure factors of two gapped correlated electron systems, namely the Ising model in a strong transverse field and the two-leg spin-1/2 Heisenberg ladder in the limit of strong rung coupling. We consider the low-temperature limit, employing a variety of analytical and numerical techniques. The coherent modes of single-particle excitations, which are delta functions at zero temperature, are shown to broaden asymmetrically in energy with increasing temperature. Firstly, we apply a low-temperature “resummation” inspired by the Dyson equation to a linked-cluster expans

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13

Augood, P. C. "Low-Temperature Thermal-Energy Storage and Transmission Systems Employing Hydrophilic Polymeric Materials." Thesis, Cranfield University, 1997. http://hdl.handle.net/1826/4517.

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The wide fluctuations that occur in the aggregate electrical demand of a generating utility are punitive with respect to total system efficiency. Demand side management techniques have been applied to reduce such fluctuations including the conversion of electrical energy to thermal energy during periods of low demand for use during peak demand periods. For thermal processes requiring energy above ambient temperature it is feasible to use sensible heat due to the existence of stable storage mediums and efficient methods of heating at the high temperatures required. However where energy is requi

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14

Ruiz, Hernando María. "Effect of ultrasound, low-temperature thermal and alkali treatments on physicochemical and biological properties of waste activated sludge." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/301434.

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The development of treatment processes to reduce or reuse sewage sludge is crucial for a proper environmental management. Segregating primary from secondary sludge allows for better reuse of secondary sludge, since digested secondary sludge is better suited for agricultural application, containing about double concentration in nutrients but significantly less contaminants. However, secondary sludge (also called waste activated sludge (WAS)) is difficult to dewater compared with primary sludge due to the existence of colloidal materials and extracellular polymeric substances (EPSs), which stron

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15

Sui, Yongkun. "A Low-Temperature Printing Technology for Fabricating Electrically Conductive Structures and Devices Using Plasma-Activated Stabilizer-Free Inks." Case Western Reserve University School of Graduate Studies / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1562589709669126.

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Shaw, Lindsey Ann. "The development of chemical bonding systems for refractories/ceramics." Thesis, Keele University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341290.

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Nakpathomkun, Natthapon 1973. "Thermoelectric properties of quantum dots and other low-dimensional systems." Thesis, University of Oregon, 2010. http://hdl.handle.net/1794/11060.

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xii, 106 p. : ill. (some col.)<br>Quantum dots are systems in which all three spatial sizes are comparable to the Fermi wavelength. The strong confinement leads to a discrete energy spectrum. A goal of thermoelectric research is to find a system with a high thermoelectric figure of merit, which is related to the efficiency of solid-state heat engines. The delta-like density of states of quantum dots has been predicted to boost this figure of merit. This dissertation addresses some thermoelectric properties relevant to the thermal-to-electric energy conversion using InAs/InP quantum dots embedd

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18

Thompson, Russell Berton. "Variable range hopping conduction in high temperature superconducting junctions and low dimensional systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0011/NQ31164.pdf.

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Buitrago, Villaplana Esther. "LCC and LCA for Low Temperature Heating Integrated with Energy Active Envelope Systems." Thesis, KTH, Energiteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-277027.

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Windows has been always considered as heat sinks and they can account more than 25% of a building envelope. For this reason, its design and performance in dwellings play a major role in regulating the indoor environment. The construction sector has been investing in better insulation envelope systems for the last decades to reduce the heat transmissions losses and energy consumption in households. LOWTE is a Swedish firm specialized in low energy building components and due to all these facts, it has recently developed a double slot energy active envelope window (EAW) for improving energy-savi

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İnce, Umut Güden Mustafa. "A case study of material testing for corrosion in low temperature geothermal systems/." [s.l.]: [s.n.], 2005. http://library.iyte.edu.tr/tezler/master/malzemebilimivemuh/T000387.pdf.

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21

Safranski, Christopher. "Transport measurements and fabrication of superconductor-exchange spring magnet-superconductor systems." California State University, Long Beach, 2013.

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22

Casey, Timothy Gervase. "Causes and control of low F/M bulking in long sludge age nutrient removal activated sludge systems." Doctoral thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/8305.

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Includes bibliography.<br>A problem plaguing the greater proportion of nutrient removal activated sludge systems treating municipal sewage, is the prolific growth of :filamentous organisms (bulking), which inhibits the rate of sludge settling in the clarifier (secondary settling) stage of treatment and reduces plant throughput. To find the causes of :filament proliferation, a four-stage investigation was conducted: (1) A review of literature indicated that the promoted method for control of bulking in carbonaceous removal systems (the selector reactor) does not control bulking in nutrient remo

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23

Cameron, Christopher Alistair. "High-pressure studies on molecular systems at ambient and low temperatures." Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/9952.

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Pressure and temperature are two environmental variables that are increasingly being exploited by solid-state researchers probing structure-property relationships in the crystalline state. Modern high-pressure apparatus is capable of generating many billions of Pascals in the laboratory, and therefore can produce significantly greater alterations to crystalline materials than changes in temperature, which can typically be varied by only a few thousand Kelvin. Many systems such as single-molecule magnets exhibit interesting properties under low-temperature regimes that can be substantially alte

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Finkenauer, Lauren R. "Ligand-Mediated Stabilization of Low Temperature Metal Eutectics and Their Use in Composite Systems." Research Showcase @ CMU, 2017. http://repository.cmu.edu/dissertations/895.

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objective of this thesis is to contribute to the understanding of the behavior of the liquid metal eutectic gallium/indium (EGaIn) in composite systems and provide a platform for the development of functional hybrid nanocomposites. Contributions are regarding (i) the investigation of the electromechanical coupling performance of EGaIn as electrodes in a soft electrostatic transducer and (ii) the effectiveness of organic surfactants to stabilize EGaIn nanoparticles in organic solvents. For the first portion, a completely soft dielectric elastomer actuator (DEA) using EGaIn electrodes was fabric

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Guertler, Siegfried. "Large scale computer-simulations of many-body Bose and Fermi systems at low temperature." Thesis, Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B40887741.

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Sucharitakul, Sukrit. "2D ELECTRONIC SYSTEMS IN LAYERED SEMICONDUCTING MATERIALS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1491497351482802.

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27

Schnyder, Andreas Philipp. "From quasiparticle properties in high-temperature superconductors to effects of disorder in low-dimensional systems /." Zürich : ETH, 2006. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=16936.

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28

Lauterbach, Christoph [Verfasser]. "Potential, System Analysis and Preliminary Design of Low-Temperature Solar Process Heat Systems / Christoph Lauterbach." Kassel : Kassel University Press, 2014. http://d-nb.info/1065320620/34.

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Chuan, Chen Max. "Fabrication and Characterizationof Low Temperature Annealed Silicon Bottom Cell for CELOGbased Tandem Solar Cell Systems." Thesis, KTH, Tillämpad fysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-231927.

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30

Ghavam-Nasiri, Ali. "Thermo-Hydro-Mechanical Behaviour of Composite Geosynthetic Lining Systems under High Temperature and Low Pressure." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17782.

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Aim. Composite geosynthetic clay lining systems (CGCLS), a combination of high density polyethylene geomembranes and geosynthetic clay liners (GCLs), have been used in brine ponds to manage the large amount of waste water produced by coal seam gas extraction. Exposure to sunlight combined with the thermal properties of brine water can lead to temperatures of up to 85-95°C at the liner. The goal of the thesis is to investigate whether GCLs may desiccate in engineering applications with high temperatures and low overburden loads. Methodology. A multi-phase, thermo-hydro-elastic theory of soil be

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31

Matthews, Jason E. "Thermoelectric and Heat Flow Phenomena in Mesoscopic Systems." Thesis, University of Oregon, 2011. http://hdl.handle.net/1794/12108.

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xvii, 189 p. ： ill. (some col.)<br>Low-dimensional electronic systems, systems that are restricted to single energy levels in at least one of the three spatial dimensions, have attracted considerable interest in the field of thermoelectric materials. At these scales, the ability to manipulate electronic energy levels offers a great deal of control over a device's thermopower, that is, its ability to generate a voltage due to a thermal gradient. In addition, low-dimensional devices offer increased control over phononic heat flow. Mesoscale geometry can also have a large impact on both electron

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Sakellari, Dimitra. "Modelling the dynamics of domestic low-temperature heat pump heating systems for improved performance and thermal comfort : a systems approach." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-269.

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33

De, Villiers M. E. "The effect of nitrite and nitrate concentrations on low F/M filament bulking in nitrogen removal activated sludge systems." Master's thesis, University of Cape Town, 1994. http://hdl.handle.net/11427/15945.

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Includes bibliography.<br>Filamentous bulking and its associated poor sludge settleability is a considerable problem in South African activated sludge plants, as indicated by the two surveys undertaken on these plants in 1985 and 1988 (Blackbeard et al., 1986, 1988). Amelioration of this problem would enable a greater daily flow and load of wastewater to be treated by these plants. From the surveys it is apparent that bulking in long sludge age activated sludge plants is mainly due to the proliferation of the group of so-called low F/M filaments (as classified by Jenkins et al., 1984). In the

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Ahyoune, Saiyd. "Heterogeneous Integration of RF and Microwave Systems Using Multi-layer Low-Temperature Co-fired Ceramics Technology." Doctoral thesis, Universitat de Barcelona, 2017. http://hdl.handle.net/10803/459117.

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The aim of this work is the development of a modelling methodology for the fast analysis of non-radiative multilayer RF passive components without compromising solution accuracy. Instead of following a compact model approach, oftenly used in integrated technologies, the method is based on a specialized quasi-static partial element equivalent circuit (PEEC) numerical solver. Besides speed and accuracy, the solver can be embedded in circuit simulators; thus, models are already available in the schematic entry. Using this framework, model scalability is enhanced in terms of geometry, substrate cr

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BRICHAU, STEPHANIE. "Constraining the tectonic evolution of extensional fault systems in the Cyclades (Greece) using low-temperature thermochronology." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2004. http://tel.archives-ouvertes.fr/tel-00006814.

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La zone de subduction Hellénique dans l'Egée, est un des meilleurs exemples au monde de retrait d'une <br />zone de subduction. En raison de ce retrait vers le sud durant le Miocène, les roches de haute pression sont <br />accrétées successivement en position d'avant arc vers une position d'arrière arc. Actuellement en position <br />d'arrière arc, les îles Cycladiques, dans le centre de l'Egée, faisaient partie de l'arc volcanique au Miocène <br />supérieur. Elles sont surtout célèbres pour leurs schistes bleus ainsi que leurs failles de détachement. Il est <br />communément admis que l'exhum

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36

Zhang, Wenli. "HIGH PERFORMANCE PIEZOELECTRIC MATERIALS AND DEVICES FOR MULTILAYER LOW TEMPERATURE CO-FIRED CERAMIC BASED MICROFLUIDIC SYSTEMS." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_diss/200.

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The incorporation of active piezoelectric elements and fluidic components into micro-electromechanical systems (MEMS) is of great interest for the development of sensors, actuators, and integrated systems used in microfluidics. Low temperature cofired ceramics (LTCC), widely used as electronic packaging materials, offer the possibility of manufacturing highly integrated microfluidic systems with complex 3-D features and various co-firable functional materials in a multilayer module. It would be desirable to integrate high performance lead zirconate titanate (PZT) based ceramics into LTCC-based

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37

Chen, Mas Chuan. "Fabrication and Characterizationof Low Temperature Annealed Silicon Bottom Cell for CELOG based Tandem Solar Cell Systems." Thesis, KTH, Tillämpad fysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-231540.

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Brichau, Stéphanie. "Constraining the tectonic evolution of extensional fault systems in the Cyclades (Greece) using low-temperature thermochronology." Montpellier 2, 2004. http://www.theses.fr/2004MON20049.

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39

Öhman, Henrik. "Low temperature difference power systems and implications of multi-phase screw expanders in Organic Rankine Cycles." Doctoral thesis, KTH, Tillämpad termodynamik och kylteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-188015.

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New and old data on screw expanders operating with 2-phase mixtures in the admission line has been combined to enable the first public correlation of adiabatic expansion efficiency as a function of entry vapour fraction. Although not yet perfected, these findings have enabled an entirely new approach to the design and optimisation of Organic Rankine Cycles, ORCs. By allowing a continuous variation of vapour fraction at expander entry optima for thermal efficiency, second law efficiency and cost efficiency can be found. Consequently one can also find maxima for power output in the same dimensio

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Dickey, Robert Paul. "Low temperature electrical resistivity investigations of non-fermi liquid behavior in strongly correlated f-electron systems /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC IP addresses, 2001. http://wwwlib.umi.com/cr/ucsd/fullcit?p3022185.

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Brichau, Stéphanie. "Constraining the tectonic evolution of extensional fault systems in the Cyclades (Greece) using low-temperature thermochronology." Montpellier : Institut des sciences de la terre, de l'eau et de l'espace de Montpellier, 2004. http://catalogue.bnf.fr/ark:/12148/cb39917802z.

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Dissertation--Fachbereich Geowissenschaften--Mainz--Johannes Gutenberg Universität, 2004. Thèse de doctorat--Terre solide, géodynamique--Montpellier II, 2004.<br>Mention parallèle de titre ou de responsabilité : Contraindre l'évolution tectonique des systèmes de faille extensive dans les Cyclades (Grèce) en utilisant la thermochronologie de basse température. Thèse soutenue en co-tutelle. Bibliogr. Titre provenant de l'écran-titre.

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Bai, Lijun. "Life Cycle Assessment of Electricity Generation from Low Temperature Waste Heat : The Influence of Working Fluid." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19234.

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In the metallurgical industry and in refineries and process industries, there is significant amount of waste heat, it is a challenged field to do the research for producing electricity from the energy of waste heat. Traditionallay, Organic Rankine Cycle(ORC)is used for generating electricity from low temperature heat source. Recently researchers are focusing on the supercritical Rankine cycle which uses CO2 as working fluid for which is more environmental friendly working fluid, possilbe reduced size and better utilization of lower temperature heat source.Currently this technology is under dev

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Datta, Nilanjana Datta Nilanjana. "Low-temperature phase diagrams of quantum lattice systems ; and, Properties of the edge of the Laughlin liquid /." [S.l.] : [s.n.], 1995. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=11181.

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Torricelli, Noemi <1993&gt. "Modelling of ORC components and systems for low-medium temperature heat recovery applications with reduced environmental impact." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amsdottorato.unibo.it/10034/1/Noermi_Torricelli_PhD_Thesis.pdf.

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Although its great potential as low to medium temperature waste heat recovery (WHR) solution, the ORC technology presents open challenges that still prevent its diffusion in the market, which are different depending on the application and the size at stake. Focusing on the micro range power size and low temperature heat sources, the ORC technology is still not mature due to the lack of appropriate machines and working fluids. Considering instead the medium to large size, the technology is already available but the investment is still risky. The intention of this thesis is to address some of th

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Cox, Wayne. "Characterization of low temperature fluid processes associated with epithermal quartz veining iron mineralization and kaolinization in S.W. England." Thesis, Kingston University, 1997. http://eprints.kingston.ac.uk/20615/.

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Low temperature fluids of diverse origin are widely believed to have played a dominant role in the formation of both primary kaolin and iron vein deposits in S.W. England. Most workers believe that dilute, low temperature fluids of dominantly meteoric origin were responsible for the extensive kaolinization of the Comubian batholith. Recent fluid inclusion studies undertaken at Goonbarrow china clay pit by Bray (1980) suggest however, that kaolinization was linked to the infiltration of a hot (400-450[degrees]C), low density vapour phase. Some uncertainty exists therefore, as to the precise nat

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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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Chapman, Brian G. "Study of drag reduction by zwitterionic and non-Ionic surfactants in low temperature ethylene glycol/ water recirculation systems /." Connect to this title online, 2005. http://hdl.handle.net/1811/313.

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Thesis (Honors)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formattted into pages: contains vi, 78 p.; also includes graphics. Includes bibliographical references (p. 62-63). Available online via Ohio State University's Knowledge Bank.

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Volkert, Marcus [Verfasser], and Dietrich [Akademischer Betreuer] Knorr. "High pressure-low temperature induced structures in dairy foams and protein model systems / Marcus Volkert. Betreuer: Dietrich Knorr." Berlin : Technische Universität Berlin, 2009. http://d-nb.info/1066160333/34.

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Tunzi, Michele. "Optimising the operation of hydronic heating systems in existing buildings for connection to low temperature district heating networks." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/38724/.

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This thesis presents a new method developed to adapt existing hydronic systems in buildings to take advantage of low temperature district heating (LTDH). The work carried out was performed by extensive use of buildings’ energy modelling, validated through recorded data. Two different case studies were investigated and the dynamic heat demand profiles, simulated for each building, were used to evaluate plate radiators connected to single and double string heating loops. The method considered an optimisation procedure, based on supply and return temperatures, to obtain the required logarithmic m

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Bykov, Maxim [Verfasser], and Sander van [Akademischer Betreuer] Smaalen. "Structural aspects of pressure- and temperature-induced phase transitions in low-dimensional systems / Maxim Bykov. Betreuer: Sander van Smaalen." Bayreuth : Universität Bayreuth, 2015. http://d-nb.info/1073201945/34.

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