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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 66 for “"Temperature Effect"”.
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Temperature effect of phase transition radiation of water
… presenting by scientists and engineers, temperature effect of such radiation is studied in this research to obtain more knowledge on this phenomenon. Experiments and computer simulations of transmissivity tests as well as results discussion are performed in this study. A mixture of liquid …
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Displacement rate and temperature effect on asphalt concrete cracking potential
… conditions and heavy traffic loads. Daily temperature fluctuations and traffic loading are among the external causes of crack initiation and development in pavements whereas structural design of pavements, base and subgrade support and conditions, material properties, and drainage …
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The Temperature Effect on The Equilibrium Energy Status of Water Held by Porous Media
Made available in DSpace on 2014-12-04T20:17:04Z (GMT). No. of bitstreams: 1 6100216.pdf: 4341767 bytes, checksum: e419cbabd60fd8520d62d7bc1f8ad6db (MD5) Previous issue date: 1960
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High Light and Low Temperature Effect on D1 Synthesis and Turnover in the Chilling Sensitive Plant Lycopersicun Esculentum
… overwhelmed when high light is combined with low temperature. In the chilling sensitive plant tomato (Lycopersicun esculentum var. Mill Floramerica), these combined stresses were found to cause a decrease in de novo synthesis of D1, a component of photosystem II (PSII) reaction center which is …
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Modulation of Metal Coordination and Redox Properties of the Engineered Purple copper(A) and Ferrocene Centers in Azurin
Finally, the temperature effect on the pH of biological buffers was studied. Colorimetric determination of apparent pH using indicator dyes revealed significant changes in the apparent pH of buffer solutions at cryotemperatures.
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Liquid Crystal Materials And Tunable Devices For Optical Communications
… in fiber-optic communications. The curing temperature is found to have significant effects on the PSLC performance. The electro-optic properties of nematic polymer network liquid crystal (PNLC) at different curing temperatures are investigated experimentally. At high curing temperature, a …
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Equilibrium moisture content measurement for porous building materials at various temperatures
… for three test materials at three different temperatures. These data resulted from further investigating the operating range of an existing experimental apparatus and procedure. During the course of the research, the operating range and control of the existing apparatus were extended, and its …
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Control and qualification of titanium welds
… attenuation by a mathematical relationship. The temperature effect in locating weld pool radii in titanium was found at temperatures up to 600 °C. The ultrasonic velocity decreased as the temperature increased and the square of temperature affected the rate of change of the ultrasonic velocity. …
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Silicone resins and their composites
… for their mechanical property change with temperature. Properties include maximum flexural stress, flexural modulus and fracture toughness K[sub]IC. Temperature effect on mechanical properties of addition cure resin is substantial and also depends on the crosslinkers used. Generally the …
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Analysis of the design of railroad track superstructure components for rail transit applications
… results from an extensive field study of temperature effects on the flexural behavior of rail transit concrete crossties is presented. The temperature study comprised the analysis of the relationship between temperature in the crosstie and the ambient temperature, the effect of curling due …
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An investigation of the effects of temperature and suspended sediment on the Landsat MSS reflectance of John H. Kerr Reservoir
… between March 30, 1981 and March 3, 1982. The temperature, velocity, and depth data from those trips are contained in Appendix A. Plots of temperature versus depth at the stations chosen in the reservoir are contained in Appendix B. The second objective was an application of the database to …
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Determination of material properties of mild steel at different temperatures and strain rates
… variation of the yield stress of mild steel with temperature and strain rate. This was achieved by carrying out high temperature tensile tests at different strain rates on mild steel specimens. These experiments also helped set a methodology for carrying out high temperature tensile tests using a …
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An in-situ interdiffusion method for harvesting energy from an aluminum-water reaction
… diffusion and reaction rates at elevated system temperatures. With the predicted diffusion and reaction rates, it was found how the size and temperature effect the power output of an in-situ inderdiffusion aluminum-water reactor.
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A study of the high speed diesel engine exhaust with respect to gas composition and smoke density
… various engine speeds, loads, and cooling water temperatures was made on an International Harvester UD-6 Diesel Engine. Simultaneously, smoke density was measured with a smokemeter, the principle of which was based on the obstruction of light. Exhaust gases were analyzed with a Fisher Precision …
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Performance of septic tanks for pharmaceutical removal and their impact to river water quality.
… WWTWs and surpassed freshwater predicted no-effect concentrations (PNECs) for some pharmaceuticals and samples. Hence, dilution of the ST discharges is required to mitigate environmental hazard. Influenced by the small contributing population, monthly variability was high, especially for …
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Estimation of residual stresses in marine structures
… out in the parametric study involved cut-off temperature effect, welding power effect, welding velocity effect, plate length effect and plate width effect. Lastly, the author also presented a simulation and an optimization of welding sequences for residual stress and distortion of a typical, …
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Effects of an External Field and Dissipation on Decoherence
… Decoherence can also occur as the result of a temperature effect. A recent experiment investigated the engineering of decoherence, which involves applying an external field to the quantum system. In this thesis, we study the effect of an external field on decoherence in the case of a harmonic …
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Environmental And Stand Variables Influencing Soil CO2 Efflux Across The Managed Range Of Loblolly Pine
… inputs and outputs of this pool, including the effects of management activities, will allow landowners to understand how carbon can be sequestered in their stands. Specific to this study, we sought to create multivariate models of the output of carbon from the soil in the form of soil CO2 efflux …
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Investigation of the Manufacturing Variables of Cast Double-base Propellant
… water percolation in soils. The complicating effect of gelation is dealt with by the inclusion of an empirically verified submodel, which is based on the valuable concept of resistance/conductance variation. The effect of temperature on liquid viscosity and gelation is also included. A …
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