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Thematische Bibliographien / Gas environment of premises / Dissertationen

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Dissertationen zum Thema „Gas environment of premises“

Autor: Grafiati

Veröffentlicht am 5. Juni 2025

Zuletzt aktualisiert am 1. August 2025

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1

Pappas, Theodoros C. "Energy management and control of the thermal environment in bakery premises." Thesis, Brunel University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251154.

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2

Zhang, Chen. "Piezoelectric-Based Gas Sensors for Harsh Environment Gas Component Monitoring." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1538769/.

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In this study, gas sensing systems that are based on piezoelectric smart material and structures are proposed, designed, developed, and tested, which are mainly aimed to address the temperature dependent CO2 gas sensing in a real environment. The state-of-the-art of gas sensing technologies are firstly reviewed and discussed for their pros and cons. The adsorption mechanisms including physisorption and chemisorption are subsequently investigated to characterize and provide solutions to various gas sensors. Particularly, a QCM based gas sensor and a C-axis inclined zigzag ZnO FBAR gas sensor ar

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3

Narra, Venkateswarlu. "High Frequency Acoustic Wave Scattering From Turbulent Premixed Flames." Diss., Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22689.

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This thesis describes an experimental investigation of high frequency acoustic wave scattering from turbulent premixed flames. The objective of this work was to characterize the scattered incoherent acoustic field and determine its parametric dependence on frequency, flame brush thickness, incident and measurement angles, mean velocity and flame speed. The experimental facility consists of a slot burner with a flat flame sheet that is approximately 15 cm wide and 12 cm tall. The baseline cold flow characteristics and flame sheet statistics were extensively characterized. Studies were performed

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4

Gerousi, Loukia. "Computational modelling of environment flows featuring gas dispersion." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/7315.

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This study particularly aims at understanding flow and pollutant dispersion when flat terrain, single hill and hill with obstacles are present. The emissions of ethylene from a point source are located in eight different positions. For the hill cases, the sources are located downwind from the top of the hill, and the data are collected at various locations. The commercial software packages Gambit 2.4.6, Fluent 6.3.26 and Tecplot 360 are used for the two-dimensional mesh generation, for the flow simulation and for the validation respectively. The numerical results are compared with experimental

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5

Khellil, Tama [Verfasser]. "Weakly Interacting Bose Gas in Random Environment / Tama Khellil." Berlin : Freie Universität Berlin, 2016. http://d-nb.info/1095540149/34.

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6

López-Tarifa, Pablo. "Fragmentation dynamics of biomolecules in gas phase and water environment." Thesis, Evry-Val d'Essonne, 2011. http://www.theses.fr/2011EVRY0009/document.

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De nos jours, les ions rapides lourdes sont devenues une alternative réussie à rayons X traditionnels pour le traitement du cancer. Leur région d’haute perte d'énergie (pic de Bragg) permet de définir avec précision la profondeur tissulaire a la quelle on dépose le maximum d'énergie. Malheureusement, les espèces chimiques résultant de l'irradiation, qui pourraient conduire à la morte cellulaire, ne peuvent pas être établies expérimentalement car les processus se produisent dans une échelle de temps très court (≈ 1 à 100 fs). Simulations de Dynamique Moléculaire (MD) ont démontré être un outil

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7

Szabo, Nicholas F. "DEVELOPMENT OF HARSH ENVIRONMENT NITROGEN OXIDES SOLID-STATE GAS SENSORS." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1046980412.

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8

O'Donoghue, James. "The response of gas giant ionospheres to space environment forcing." Thesis, University of Leicester, 2014. http://hdl.handle.net/2381/29027.

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At high spatial and spectral resolution, the 10-metre Keck and 3- metre NASA IRTF ground-based telescopes were used to observe Saturn and Jupiter, respectively. Pole-to-pole profiles of H[superscript +, subscript 3] emission were recorded along the planets’ respective noon meridians. The low latitude ionospheric H[superscript +, subscript 3] emission of these planets was thought to be broadly uniformly decreasing towards the equator, with the transition from bright emission at the poles produced by particle precipitation, to the weaker background glow elsewhere produced by sunlight. Instead, h

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9

Nogueira, de Mago Marjorie Carolina. "Effect of flue gas impurities on the process of injection and storage of carbon dioxide in depleted gas reservoirs." Thesis, Texas A&M University, 2005. http://hdl.handle.net/1969.1/2613.

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Previous experiments - injecting pure CO2 into carbonate cores - showed that the process is a win-win technology, sequestrating CO2 while recovering a significant amount of hitherto unrecoverable natural gas that could help defray the cost of CO2 sequestration. In this thesis, I report my findings on the effect of flue gas ??impurities?? on the displacement of natural gas during CO2 sequestration, and results on unconfined compressive strength (UCS) tests to carbonate samples. In displacement experiments, corefloods were conducted at 1,500 psig and 70??C, in which flue gas was injected into an

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Allison, Isaiah. "Techno-economic evaluation of associated gas usage for gas turbine power generation in the presence of degradation & resource decline." Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/9233.

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This research examined the technical and economic feasibility of harnessing flare gas emissions from oil fields. The outcome would provide the basis for a substantial re-utilization of this waste energy due to the current practice of flaring and use it alternatively as energy for powering oil fields, rural electrification and desalination. Nigeria is used as a case study. Burning fossil fuels have grave environmental impact, amidst increasing global concerns over harmful emissions. This research addresses resource decline and suggests divestment as a partial cure. The gas turbine is subject to

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11

Jackson, A. J. B. "Optimisation of aero and industrial gas turbine design for the environment." Thesis, Cranfield University, 2009. http://hdl.handle.net/1826/4316.

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The aspects of gas turbine design that are explored herein are focussed on reduction or elimination of carbon dioxide (CO2) emissions and reduction of noise. There are 3 separate but related investigations. 1. Aero gas turbine engine thermodynamic cycles for subsonic transport aircraft are explored to optimise performance (thus reducing CO2 emissions) and to minimise noise; particular attention is paid to choices of fan pressure ratio, bypass ratio, installation configuration and fan design. Turbofans with long and short cowls are explored, as are propfans of various bypass ratios. The perform

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12

Gallagher, Molly Jean. "Mapping Extragalactic Dense Molecular Gas: Ties to Environment and Star Formation." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1563190299832773.

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13

Starr, Sean Michael. "Microbial methane oxidation in the marine and estuarine environment." Thesis, University of Newcastle Upon Tyne, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313378.

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14

Camus, Lionel Andre Yves. "Biomarkers relevant to oil and gas industrial activities in low temperature marine ecosystems." Thesis, University of Plymouth, 2001. http://hdl.handle.net/10026.1/1080.

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Because of its geographical location, the Arctic environment is considered as pristine. However, expanding industrial activities in the Arctic require assessment of the toxicity of chemicals at low temperature. Biomarkers defined as "biological responses to a chemical or chemicals that give a measure of exposure or toxic effect" were shown to be relevant to measure in situ impact of oil discharges. Most biomarker studies have been performed with temperate organisms. The Arctic is characterised by low stable temperature, strong seasonality in light, resulting in a short primary produc

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Herlina. "Gas transfer at the air-water interface in a turbulent flow environment." Karlsruhe : Univ.-Verl, 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=976595842.

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16

Salama, I. M. "High temperature particle -to-metal interaction in a simulated gas turbine environment." Thesis, Cranfield University, 2002. http://dspace.lib.cranfield.ac.uk/handle/1826/4610.

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An experimental study of the particle-to-metal interaction during high temperatures and velocity impact conditions is presented. A novel continuous erosion testing facility have been used to study the effect of particle and metal target temperatures as well as impact particle velocity on the erosion/deposition behaviour of the stainless steel 321, Nimonic 75, and aluminium target materials. The study was carried out to provide database information on the behaviour of those metals under simulated gas turbine conditions. The erosive particles used were quartz sand with diameters ranging from 20-

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Smith, James Anthony. "Laser diagnostics of a diamond depositing chemical vapour deposition gas-phase environment." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247541.

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18

Yang, Shaowei. "Ultramicroporous zeolite membranes for energy and environment related small molecule gas separation." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1458643927.

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19

Thorpe, James. "Lung mechanics and hyperpolarised gas MRI." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/53283/.

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Lung diseases affect the lives of millions of people across the UK and result in the thousands of deaths every year. It is therefore vitally important to continue to develop a wide range of diagnostic techniques to improve our understanding of lung diseases and how they can be treated. This thesis provides an overview of the main methods of assessing lung condition before focussing on developments in two specific areas: Forced Oscillation Technique (FOT) and Hyperpolarised (HP) gas MRI. FOT is an inexpensive, non-invasive lung function test that measures the acoustic impedance of the airways b

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MacDonald, Margaret E. "Can Sustainable Updates Account For Gas Consumption Commuting To Work?" The University of Arizona, 2016. http://hdl.handle.net/10150/608581.

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Sustainable Built Environments Senior Capstone Project<br>Abstract Suburbs have long been a place near and dear to the hearts of many, they provide private property, large homes and a sense of security. They have traditionally been located far from city centers and also far from jobs. The following paper researchers whether or not suburban homes can be updated to compensate for the extra distance their inhabitants have to commute to work. The study looks at three case houses in the focus area of Continental Ranch, a Pulte suburb. The follow research was performed using a cost benefit analysis

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21

Ojijiagwo, Emeka Nnanna. "Development of a sustainable framework to manage flare gas in an oil and gas environment : a case study of Nigeria." Thesis, University of Wolverhampton, 2017. http://hdl.handle.net/2436/620607.

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Associated natural gas is produced as a by-product from crude oil exploration and production. When perceived as a non-desirable product, it is wasted during gas flaring. Globally, about 100 Billion Cubic Meters (BCM) of gas is flared annually, leading to release of about 300 million tons of carbon dioxide yearly into the environment. Russia and Nigeria flare more than other countries to the tune of 35.5 and 18.27 BCM, respectively. The consequence of gas flaring has continued to pose significant threats to the environment as well as the economy of oil and gas producing countries. Therefore, th

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22

Ozgirgin, Ekin. "Utilization Of Natural Gas, Optimization Of Cogeneration/ Combined Cycle Applications In Campus Environment." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12604986/index.pdf.

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A computer program, called &ldquo<br>Cogeneration Design&quot<br>is developed using Visual Basic 6.0, for conceptually designing cogeneration power plants. Design is focused on power plants to be built in university campuses, where there is mainly heating, hot water, electricity and sometimes cooling demands. Middle East Technical University campus is considered as the primary working area. Before the conceptual design study, detailed information regarding description of the campus, infrastructure, annual electric, water and heat demand covering last 10 years, properties of existing heat plan

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23

Welker, Charlotte. "Flipping pancakes : how gas inflows and mergers shape galaxies in their cosmic environment." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066704/document.

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Les interactions entre les galaxies et leur environnement à grande échelle constituent une pierre angulaire de la théorie de formation des structures. Cependant, derrière cette idée se cache une longue liste de processus. En effet, les galaxies grandissent au sein d'intenses courants de gaz à haut redshift et acquièrent du moment angulaire grâce aux couples de marée exercés par les grandes échelles, tout en fusionnant avec d'autres galaxies. Aucun de ces mécanismes n'est indépendant de la distribution de matière à grande échelle, fortement anisotrope, constituée d'un réseau de vides délimités

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24

Mohammed, Sikiru Adepoju. "Investigating pitting corrosion on X65 carbon steel in sweet oil and gas environment." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/21125/.

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Low carbon steel is widely applied for engineering purposes such as construction of pipelines, vessels, refinery components amongst others. The set-back in low carbon steel is in its corrosion performance which takes a toll on operations, economy as well as health and safety. Pitting corrosion ranks among the highest level of corrosion defects and it is inevitable due to the effect of nature, design and operation parameters. Pitting is hard to predict while pitting in sweet (CO2) environments remains the most dangerous form of localised corrosion. Pitting in passive materials is generally well

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25

Conner, Haley. "Managing Environmental Risk in the Oil and Gas Industry." Scholarship @ Claremont, 2015. http://scholarship.claremont.edu/cmc_theses/1121.

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Oil and gas industry operations place large pressures on the local environment and inhabitants. However, the continued rise in the demand for useable energy and resources has resulted in further production pressures for oil and gas companies. Meeting these demands comes with high risks and costs to both society and the environment. Oil and gas companies are thus faced with the challenge of meeting the world’s expanding energy demands while minimizing the negative externalities associated with these operations. Many of the risks these corporations face are site specific, requiring detailed back

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26

Johnson, Ryan Mark. "A Suffocating Nature: Environment, Culture, and German Chemical Warfare on the Western Front." Diss., Temple University Libraries, 2013. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/214797.

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History<br>Ph.D.<br>The story of chemical warfare is that of a relationship between nature, the military, industry, and culture. By the turn of the twentieth century, German industry, especially its chemical companies, came to dominate Europe. Their success brought both considerable economic development and considerable environmental damage from chemical pollution, especially to rivers such as the Rhine and the Emscher. These economic changes made in exchange for landscape degradation conflicted with long-held cultural beliefs in Germany that promoted the beauty of nature and the importance of

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[Verfasser], Herlina. "Gas transfer at the air-water interface in a turbulent flow environment / von Herlina." Karlsruhe : Univ.-Verl. Karlsruhe, 2005. http://d-nb.info/976595842/34.

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28

Kozii, Ivan, and Іван Козій. "Using a highly efficient gas cleaning equipment for reduction technogenic impact on the environment." Thesis, National Aviation University, 2021. https://er.nau.edu.ua/handle/NAU/50966.

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1. Matus K.J., Nam K.-M., Selin N.E., Lamsal L.N., Reilly J.M. Health Damages from Air Pollution in China. Global Environmental Chang, 2012, vol. 22, no. 2, pp. 55-66. 2. Tronvil P. Developing standards: Global standards for air cleaning equipment. Filtration & Separation, 2008, vol. 45, no. 9, pp. 28-31. 3. Hession M. Incinerator and gas cleaning equipment overview. Health Estate J., 1997, vol.51, no. 8, pp. 6-7.<br>Growth in the scale of economic activity leads to increased human impacts and disturbance of equilibrium in the environment. Along with the depletion of natural resources increa

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Al-Doorie, Falah Naji. "The effect and measurement of naturally occurring radionuclides in the Grampian region." Thesis, University of Aberdeen, 1990. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU497143.

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The project has been concerned with the study of radon and other natural radionuclides in the U-238 decay series in the environment. The contribution made by radon and its daughter radionuclides to population radiation dose both in the air and in water supplies has been investigated. The natural radioactivity of the river water, stream water, sediments and freshwater mussels have been measured using a thick source alpha counting technique and γ-spectrometry (water samples were preconcentrated by manganese dioxide precipitation method). The ^226Ra activity ranged from 10-20 Bq m^-3 in the river

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Schröder, Maike. "Theoretical investigation of the ultrafast photodissociation dynamics of diatomic molecules in a rare gas environment." [S.l. : s.n.], 2004. http://www.diss.fu-berlin.de/2005/43/index.html.

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31

Olofsson, Andreas. "Investigation of Materials for Use in Exhaust Gas Condensate Environment with Focus on EGR systems." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-59070.

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EGR (Exhaust Gas Recirculation) ar en teknik som anvands for dieselmotorer, for att mota de hart satta utslappskraven for kvaveoxider. EGR fungerar genom att en del av avgaserna aterfors till cylindrarna. Avgaserna gor sa att den maximala forbranningstemperaturen sanks, vilket kraftigt reducerar bildandet av kvaveoxider. Dieselavgaser inneh aller framst CO2, NOx, SO2 och H2O och innan avgasernaaterfors till cylindrarna kyls de ner. Detta leder till att det bildas ett korrosivt kondensat, eftersom de amnen som nns i avgaserna bland annat kan bilda svavel- och salpetersyra. Pa grund av detta ko

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Al, Hamrani Emad, and Nils Grönberg. "Sustainable flue-gas quench : For waste incineration plants within a water-energy-environment nexus perspective." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-36707.

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The function of a flue-gas quench is to remove additional contaminants from flue-gas and to reduce the wastewater from a waste incineration plant. The aim of this degree project is to find how the system is affected by using a quench and what factors limits the performance. This is done by modelling and simulating a waste incineration plant in Aspen Plus. Data and plant schematics were obtained by a study visit to Mälarenergi Plant 6 situated in Västerås, Sweden, which were used as model input and for model validation. The results have shown that the amount of wastewater can be reduced by more

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Rupp, Jochen. "Acoustic absorption and the unsteady flow associated with circular apertures in a gas turbine environment." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12984.

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This work is concerned with the fluid dynamic processes and the associated loss of acoustic energy produced by circular apertures within noise absorbing perforated walls. Although applicable to a wide range of engineering applications particular emphasis in this work is placed on the use of such features within a gas turbine combustion system. The primary aim for noise absorbers in gas turbine combustion systems is the elimination of thermo-acoustic instabilities, which are characterised by rapidly rising pressure amplitudes which are potentially damaging to the combustion system components. B

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Devlin, Andrew John. "Structural effects of the built environment on vehicle greenhouse gas emissions : evidence from Vancouver, Canada." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/17460.

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This thesis summarizes efforts to estimate fundamental relationships among built environment characteristics, activity patterns and vehicle use in order to assess their relative influences on vehicle GHG emission generation in Metro Vancouver, Canada. Activity-based structural equation models were specified in a cross-sectional study design using local travel survey data and highly detailed urban form data. Structural equation analysis permitted explicit modeling of the indirect effects between built environment variables and vehicle emissions as mediated through activity patterns and vehicle

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Gill, Christopher Mark. "The evolution of beneficial near surface compressive residual stresses in a gas turbine engine environment." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494605.

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Near surface compressive residual stresses are known to improve the fatigue performance and damage tolerance of materials. In the aerospace gas turbine industry there is a compressive residual stress fields to extend the safe life time of a component is developing as a new field of research. Global near surface compressive stresses such as those produced by shot or glass bead peening have been used in service for a long time. The benefits of these stresses are not normally considered in the safety analysis of components; they normally act as an additional safety margin. The development of new

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Nagaiah, Narasimha. "NOVEL CONCEPTUAL DESIGN AND ANLYSIS OF POLYMER DERIVED CERAMIC MEMS SENSORS FOR GAS TURBINE ENVIRONMENT." Master's thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4086.

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Technical challenges for developing micro sensors for Ultra High Temperature and turbine applications lie in that the sensors have to survive extremely harsh working conditions that exist when converting fuel to energy. These conditions include high temperatures (500-1500°C), elevated pressures (200-400 psi), pressure oscillations, corrosive environments (oxidizing conditions, gaseous alkali, and water vapors), surface coating or fouling, and high particulate loading. Several technologies are currently underdeveloped for measuring these parameters in turbine engines. One of them is an opti

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Flatley, Elizabeth D. "“Our Forever Home”: Loss of Place and Shale Gas Development in Western Pennsylvania." Diss., Temple University Libraries, 2015. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/336236.

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Sociology<br>Ph.D.<br>The Marcellus Shale is a sedimentary rock formation that lies beneath most of Pennsylvania as well as portions of Ohio, West Virginia, New York, and Maryland, and holds one of the world’s largest natural gas reserves. It has been known that the Marcellus is a sizeable gas reservoir, but until the recent development of horizontal drilling and hydraulic fracturing, it had not been economically feasible to exploit it. These unconventional drilling methods currently used in Pennsylvania and other Marcellus regions are deeply controversial, with both experts and laypersons dis

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Awuzie, Bankole Osita. "A viable infrastructure delivery systems model for achieving socio-economic benefits in the Nigerian oil and gas industry." Thesis, University of Salford, 2014. http://usir.salford.ac.uk/32822/.

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In apparent realisation of the place of procurement in driving the implementation of socio-economic policies, successive governments across the globe are increasingly demanding more from suppliers as it pertains to the delivery of socio-economic benefits. This has resulted in a significant shift in what constitutes success in the respective projects which they commission; from factors related to the ‘iron triangle’ to contributions of the project to the growth of the local economy. Policies such as the Social Value Act, and the Nigerian Oil and Gas Industry Content Development Act (NOGICDA) in

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Jimenez, Donaire Maria Jesus [Verfasser], and Frank [Akademischer Betreuer] Bigiel. "Dense Gas and the Insterstellar Medium in Nearby Galaxies: the interplay between dense gas and the galactic environment / Maria Jesus Jimenez Donaire ; Betreuer: Frank Bigiel." Heidelberg : Universitätsbibliothek Heidelberg, 2017. http://d-nb.info/1177690039/34.

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Masquelet, Matthieu M. "Simulations of a Sub-scale Liquid Rocket Engine: Transient Heat Transfer in a Real Gas Environment." Thesis, Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-11102006-082702/.

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41

Bignall, Phillip Brian. "Study of some factors affecting the operating characteristics of microstrip gas counters in an ATLAS environment." Thesis, University College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362335.

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42

Al, Makky Ahmed. "Prediction of the gas emission and movement from soil media with concern of energy and environment." Thesis, University of the West of Scotland, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.732196.

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43

Kundhlande, Ngonidzashe G. "An evaluation of the use of thermocouples for gas temperature determination in an I.C. engine environment." Master's thesis, University of Cape Town, 2007. http://hdl.handle.net/11427/5520.

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Includes bibliographical references.<br>The magnitude and transient nature of the gas temperature in the cylinder of an internal combustion engine makes the measurement quite difficult. Several techniques have been employed to try and determine the actual gas temperatures in internal combustion engines, and most of these have either shown inconsistency or turned out to be extremely expensive. In this thesis, the use of a thermocouple to determine the gas temperature was explored.

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Ellis, R. J. "Evaluation of remote sensing for the detection of landfill gas and leachate in an urban environment." Thesis, Aston University, 1997. http://publications.aston.ac.uk/14150/.

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The technique of remote sensing provides a unique view of the earth's surface and considerable areas can be surveyed in a short amount of time. The aim of this project was to evaluate whether remote sensing, particularly using the Airborne Thematic Mapper (ATM) with its wide spectral range, was capable of monitoring landfill sites within an urban environment with the aid of image processing and Geographical Information Systems (GIS) methods. The regions under study were in the West Midlands conurbation and consisted of a large area in what is locally known as the Black Country containing heavy

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Hunderup, James W. "An experimental investigation of the conversion of NO to NO2 in a simulated gas turbine environment." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06162009-063102/.

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DeHay-Turner, Brett. "Tritium Mobility in the Environment Using Deuterium as an Analogue." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34624.

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Tritium is a radioisotope of hydrogen and a component of emissions from the nuclear industry. It is also a radioisotope of concern for human and environmental health. The near future could see an increase in tritium production as experimental fusion reactors initiate first plasma. The greatest risk pathway is human ingestion of edible plants grown near sites of tritium emissions as they can acquire high levels of organically bound tritium (OBT). Recent studies at a tritium Beta-light facility in Pembroke, Ontario, Canada characterized by tritiated hydrogen gas (HT) emissions have identified h

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Chapekar, Vasant Krishna. "Corrosion resistance of iron-base & cobalt-base metallic glass alloys in condensing acidic flue gas environment." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252297.

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Kubrak, Boris. "Direct numerical simulation of gas transfer at the air-water interface in a buoyant-convective flow environment." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/10196.

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The gas transfer process across the air-water interface in a buoyant-convective environment has been investigated by Direct Numerical Simulation (DNS) to gain improved understanding of the mechanisms that control the process. The process is controlled by a combination of molecular diffusion and turbulent transport by natural convection. The convection when a water surface is cooled is combination of the Rayleigh-B´enard convection and the Rayleigh-Taylor instability. It is therefore necessary to accurately resolve the flow field as well as the molecular diffusion and the turbulent transport wh

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Freitas, Andrew Daniel Sanchez. "Method Development for the Synthesis of Anaerobic Digester Biogas with the Laboratory Environment." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/51388.

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Biogas, a gaseous mixture produced during decomposition of organic matter, is a renewable, easily generated and common byproduct of anaerobic digestion at wastewater treatment plants (WWTP), landfills and agricultural operations. There is growing interest in researching and utilizing the energy potential associated with its combustion. Siloxanes, a family of volatile organic silicon compounds, pose large impediments to biogas usage due to the formation and precipitation of silicon dioxide within combustion devices. Removal of siloxanes prior to combustion is therefore a growing endeavor. Resea

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Ahmed, Giuma A. A. "Development of a health safety and environment (HSE) performance review. Methodology for the oil and gas industry in Libya." Thesis, University of Bradford, 2016. http://hdl.handle.net/10454/12461.

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The oil and gas industry in Libya has suffered a number of health and safety accidents including environmental disasters due to the nature of the work involved and the hazardous materials it handles in all facets of exploration and production. Such issues have hitherto not received due attention by the Libyan Authorities. The fact that strict HSE assessment standards are neither well-defined nor established in Libya is not helpful. Furthermore, oil and gas industry in new free Libya has suffered immensely during the 2011 Arab Spring and its rebuilding poses a number of critical HSE challenges.

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