Global ETD Search
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Showing 1 to 4 of 4 for “"cfc's"”.
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Modelo en laboratorio de las reacciones de degradación de los CFC'S, HCFC'S y HFC'S en la atmósfera : su relación con la degradación de la capa de ozono y el efecto invernadero
… de la capa de ozono a los clorofluorocarburos (CFCs), comúnmente utilizados en los clásicos aerosoles. Los compuestos CFCs fueron descubiertos en 1920 y contienen cloro, flúor y carbono formando estructuras estables. Durante décadas el uso de los CFCs se mostró tremendamente eficaz y por lo …
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A critical analysis of statutory deeming in the context of the interaction between South Africa's controlled foreign company regime and model-based bilateral tax treaties
… fiction in British Controlled Foreign Company (CFC) rules. In that case, the court found that the reference to ‘as if' was a purely notional definition based on fictional assumptions. These assumptions resulted in a product of artificial calculation, such that when constructed in CFC rules, …
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Investigation of Two Performance Improvement Options For Household Refrigerators
… Environmentally harmful refrigerants, CFC's and HCFC's, have already been shifted toward environmental friendly refrigerants such as HFC's and hydro carbons. However HFC's have a significant global warming potential. Accordingly, new policies have taken effect which are forcing the …
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A Conceptual Model of Groundwater Flow at the Midway, Utah Fish Hatchery as Constrained by Geochemical, Physical Hydrogeological, and Geophysical Methods
In addition to a loss of potential revenues from Utah's $393 million sport fishing industry, the state expends millions of dollars every year on costs associated with whirling disease mitigation and prevention. A state fish hatchery at Midway, Utah was closed when the shallow unconfined aquifer …