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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 46 for “"Chemical effects"”.
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The chemical effects of ultrasound
… and range of sonochemistry is quite limited. The effects of ultrasound on liquid-solid interfaces include high speed liquid microjet impact, shock wave damage, enhanced mass transport near surfaces, and high velocity interparticle collisions.
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Chemical Effects of Nuclear Transformations and Annealing in Inorganic Crystals
Made available in DSpace on 2014-12-09T17:36:02Z (GMT). No. of bitstreams: 1 6812104.pdf: 6263074 bytes, checksum: b0cbeeeabb4e73f6d0b2a55103bfe70f (MD5) Previous issue date: 1968
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Chemical effects in cluster SIMS depth profiling of polymer-based materials
… out that this possibility was dependent on the chemical behaviour, under cluster beam irradiation, of the particular system under investigation. During this PhD work the effect of the introduction nitric oxide, a well known radical scavenger, in the residual atmosphere of the SIMS spectrometer …
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Investigation of calcium orthophosphate chemical effects in a post-LOCA nuclear reactor containment
… Accident (LOCA) could lead to the formation of chemical precipitates that in turn cause head-loss increase due to filtering through a fibrous debris accumulation at the sump pump screens. Experiments conducted on the bench scale show that the level of fiberglass destruction does not affect the …
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Physical and chemical effects of pelleting feed on broiler growth and behavioral parameters
… the difference was not significant (P ≤ .05). Chemical investigation revealed that metabolizable energy and bioavailability of lysine of both heat treatments were similar. Starch availability as measured by in vitro enzyme susceptibility, however, was lowered by increased heat application. In a …
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Chemical Effects of the Nuclear Reaction Nitrogen-14(neutron,proton)carbon-14 in Crystalline Ammonium-Sulfate and Beryllium-Nitride
Made available in DSpace on 2014-12-05T19:36:02Z (GMT). No. of bitstreams: 1 0010463.pdf: 7338651 bytes, checksum: f767a7b268ce845d0ef592d4f91c9ea9 (MD5) Previous issue date: 1954
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EXPERIMENTAL STUDIES OF THE CHEMICAL EFFECTS OF ZINC-BEARING MATERIALS FOLLOWING A LOSS-OF-COOLANT ACCIDENT IN A PRESSURIZED WATER REACTOR
… fiberglass insulation, paints, epoxies, and chemical products which form when containment surfaces interact with the released reactor coolant. Chemical effects experiments have been completed to assess the potential debris loading contributions of zinc-bearing materials found in the …
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Effects of Post-Irradiation Treatment on the Chemical Effects of the Nuclear Transformation Nitrogen-14(neutron,proton)carbon-14 in Crystalline Ammonium-Chloride
Made available in DSpace on 2014-12-05T19:37:54Z (GMT). No. of bitstreams: 1 6200645.pdf: 5589359 bytes, checksum: bdf8296b553ce2cd878208a5b58a4eac (MD5) Previous issue date: 1961
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The chemical effects on a Cape Cod pond due to the upgradient reinjection of carbon-treated groundwater : case study, Snake Pond, Massachusetts Military Reservation, Falmouth, Massachusetts
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Effects of the Cle Elum Reservoir on the Ephemeroptera (Mayflies) of the Cle Elum River
… of this study was to determine the physical and chemical effects of the Cle Elum Reservoir on the Cle Elum River and to evaluate these effects in respect to the Ephemeroptera of the Cle Elum River. Specific objectives were: (1) To determine the effects of the reservoir on current velocity, volume …
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The flotation of fines
… has been concerned with electrical and chemical effects at the interface of finely ground minerals. The writer proposed to investigate the effect of increasing gravity by the use of centrifugal force on the collection and separation of finely ground ores. The collection of minerals …
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Theoretical models for the electrochemical reduction of CO2 on copper catalysts under working conditions
… involving the production of heavily used chemicals such as ethylene. Copper is a unique material for catalyzing these C2+ products, however significant advances need a deep theoretical understanding of the complexity of this material under CO2 reduction conditions. In this thesis I aimed …
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PARAFFIN: AN ECONOMIC AND ECOLOGICAL ALTERNATIVE FOR BONE CONSERVATION
… and forensic settings. Although there are many chemical and industrial options for conservation, these may adversely affect the bone objects undergoing preservative treatment. Here, paraffin is explored as a biologically friendly alternative to bone material conservation. Modern domestic pig …
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PARAFFIN: AN ECONOMIC AND ECOLOGICAL ALTERNATIVE FOR BONE CONSERVATION
… and forensic settings. Although there are many chemical and industrial options for conservation, these may adversely affect the bone objects undergoing preservative treatment. Here, paraffin is explored as a biologically friendly alternative to bone material conservation. Modern domestic pig …
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The effect of calcium carbonate of certain soil constituents and on plant growth
… physical, physiological, bacteriological, and chemical effects of lime in soils, and also the historical use of lime and its sources. From page 9 "Scope of Problem": It is the purpose of this investigation to secure data on the effects of adding calcium carbonate in the form of ground limestone …
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Identification of changes in the surface of textiles subjected to plasma chemical treatment using attenuated total reflectance-fourier transform infrared spectroscopy
<p>Plasma chemical oxidation has been proposed as a “nondestructive” method for preparing samples from archaeological materials for radiocarbon dating using accelerator mass spectrometry. However, the chemical effects of low-temperature, low-pressure plasma discharges on fragile archaeological …
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A MOLECULAR ORBITAL STUDY OF 5-FLUOROURACIL AND RELATED COMPOUNDS
… and the results support the mechanisms and chemical effects drawn from the literature which center around the bond polarization of the 5,6 double bond of uracil. The electronic effects of fluorine substitution (in 5-fluorouracil) are also consistent with formation of a more stable …
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Chemical and physical effects of ultrasound: sonoluminescence and materials
… is the phenomenon responsible for the driving of chemical reactions (sonochemistry) and the emission of light (sonoluminescence). The implosive collapse of bubbles in liquids results in an enormous concentration of sound energy into compressional heating of the bubble contents. Therefore, extreme …
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Anaerober in-situ-Metabolismus aromatischer Kohlenwasserstoffe unter wechselnden Redox-Verhältnissen bei der Sanierung des Grundwasserleiters an einem ehemaligen Gaswerksstandort
… to remediation of soil and groundwater. Physico-chemical effects such as variations in ground-water table, processes of transport and sorption as well as microbial degradation cause a specific distribution and composition of the aromatics in the contaminant plume. The microbial degradation of the …
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Development, characterization, and application of a charged particle microbeam for radiobiological research
… particularly in the area of temporal and spatial effects of radiation on in vitro systems. An accelerator-based 750 keV proton source was characterized and integrated into a laboratory-scale device that includes a deflection/gating system, single-particle detection system, imaging and positioning …
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