Global ETD Search
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 156 for “"bromine"”.
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Direct bromine-80 or bromine-82 labelling of biomolecules via excitation labelling methods: preparation of radiopharmaceuticals
The direct decay induced ⁸²Br (or ⁸⁰Br) labelling by exposing the solid substrate molecules, such as deoxyuridine, L-tyrosine, guanosine, deoxycytodine, phenylalanine and acetic acid, to gaseous CF₃<sup>82m</sup>Br (or CF₃<sup>80m</sup>Br) was studied. The radiochemical yields of the brominated …
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Bromine Chloride Treatment of Aqueous Gasifier Effluent
… of treating slagging gasifier wastewater with bromine chloride was studied. The aqueous effluent was collected from the spray washer of the Grand Forks Energy Technology Center's slagging fixed-bed gasifier during run RA-94.</p><p>It was found that slagging gasifier wastewater is only partially …
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Bromine and iodine in plant-soil systems
Brom und Jod kommen in von Folge sowohl natürlichen als auch anthropogenen Prozessen (z.B.Verdunstung von Meerwasser, Verbrennung von Biomasse) als Spurenelemente in der Biosphäre vor. Obwohl das Verhalten von Halogenen in der Umwelt intensiv untersucht worden ist, bestehen nach wie vor große …
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Lead, bromine, chlorine, and iodine in polluted air.
Massachusetts Institute of Technology. Dept. of Meteorology. Thesis. 1965. M.S.
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Internal pressure's role in the selectivity of the bromine radical
… vs hydrogen abstraction from toluene (kH) by bromine atom was found to vary by nearly a factor of twenty as a function of solvent. The observed rate constant ratios correlate with the cohesive energy density of the solvent, which is approximately equal to the internal pressure (kC/kH is found …
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Extraction of zinc from scrap steel using zinc-bromine battery technology
… and recovery of zinc from scrap steel using zinc-bromine battery (ZBB) technology. Zinc-bromine flow batteries are a promising technology for energy storage due to their low cost, with coulombic efficiencies of 95 % and energy efficiencies of 75 %. In this research, a static membrane-free ZBB was …
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Membraneless hydrogen bromine laminar flow battery for large-scale energy storage
… solutions. In this thesis, the hydrogen bromine laminar flow battery (HBLFB) is proposed and examined for its potential to provide low cost energy storage using the rapid reaction kinetics of hydrogen-bromine reaction pairs and a membrane-less laminar flow battery architecture. In this …
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The characterisation and optimisation of the zinc bromine hybrid redox flow battery
The zinc-bromine hybrid redox flow battery (RFB) is one of the few battery systems that have seen implementation on the medium to large scale energy storage. However, there still exist financial barriers to allow this technology to be fully utilised on the market. To improve this system, several …
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Imaging of bromine oxide and formaldehyde using Fabry-Perot interferometer correlation spectroscopy
… imaging instrument for formaldehyde (HCHO) and bromine oxide (BrO) based on Fabry-Perot interferometer correlation spectroscopy in the UV wavelength range is presented. The technique makes use of the periodic transmission spectrum of a Fabry-Perot-Interferometer and its correlation with the …
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Investigation of Inorganic Stratospheric Bromine using Balloon-Borne DOAS Measurements and Model Simulations
Inorganic bromine is the second most important halogen effecting stratospheric ozone [WMO2003]. Although the concentration of bromine in the stratosphere is about two orders of magnitude lower than the concentration of chlorine, it currently contributes about 25% to global ozone loss due to its …
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Distribution of bromine in bedded halite in the Green River Formation, southwestern Wyoming
Includes bibliographical references.
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Broadening and shift of lines in the electronic spectrum of the bromine molecule
<p>This dissertation is divided into two main sections. The first of these is a treatment of this research from both the conceptual and the analytical points of view. These parts of the discussion encompass Sections II through VI. In these sections, the techniques used in obtaining the experimental …
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Mitigation of losses from hydrodynamic mixing in a hydrogen bromine Laminar flow battery
The hydrogen bromine laminar flow battery is a promising technology for grid-scale energy storage. It dispenses with the expensive membrane used in traditional flow batteries, instead using laminar flow to maintain the separation of fluid streams. It also takes advantage of powerful, inexpensive …
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The Redox Reaction of Anhydrous Hbr For Hydrogen Production and Bromine Hydrogen Flow Battery
… in this flow battery, co-production of bromine and hydrogen, two important fundamental chemicals in the hydrogen economy and energy industry, is realized in the charge process.</p> <p>This vapor-phase Br2 H2 flow battery is constructed and tested with respect to open circuit potential …
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