806 resultados para BIS-(DIMETHOXYLPHOSPHATO) COPPER
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Die Bachelorarbeit beschreibt die Entwicklung der Vietnam-Berichterstattung im deutschen Magazin "Stern" parallel zum Kriegsverlauf und stellt diese in einen gesamthistorischen Zusammenhang unter Beachtung der Ereignisse in der Bundesrepublik Deutschland. Betrachtet und analysiert werden die Jahre 1964-1968.
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[s.c.]
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Universität Magdeburg, Univ., Dissertation, 2016
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herausgegeben von Ralf Regener
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[s.c.]
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Bd.1 (1811)
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T.1 (1899)
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[1868-1870] (1871)
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T.2 (1906)
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Bd.2 (1811)
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Combined media on photographic paper. 90" x 40" Museum of Fine Arts, New Mexico
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Potential risks of a secondary formation of polychlorinated dibenzodioxins/furans (PCDD/Fs) were assessed for two cordierite-based, wall-through diesel particulate filters (DPFs) for which soot combustion was either catalyzed with an iron- or a copper-based fuel additive. A heavy duty diesel engine was used as test platform, applying the eight-stage ISO 8178/4 C1 cycle. DPF applications neither affected the engine performance, nor did they increase NO, NO2, CO, and CO2 emissions. The latter is a metric for fuel consumption. THC emissions decreased by about 40% when deploying DPFs. PCDD/F emissions, with a focus on tetra- to octachlorinated congeners, were compared under standard and worst case conditions (enhanced chlorine uptake). The iron-catalyzed DPF neither increased PCDD/F emissions, nor did it change the congener pattern, even when traces of chlorine became available. In case of copper, PCDD/F emissions increased by up to 3 orders of magnitude from 22 to 200 to 12 700 pg I-TEQ/L with fuels of < 2, 14, and 110 microg/g chlorine, respectively. Mainly lower chlorinated DD/Fs were formed. Based on these substantial effects on PCDD/F emissions, the copper-catalyzed DPF system was not approved for workplace applications, whereas the iron system fulfilled all the specifications of the Swiss procedures for DPF approval (VERT).
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This paper uses data on the world's copper mining industry to measure the impact on efficiency of the adoption of the ISO 14001 environmental standard. Anecdotal and case study literature suggests that firms are motivated to adopt this standard so as to achieve greater efficiency through changes in operating procedures and processes. Using plant level panel data from 1992-2007 on most of the world's industrial copper mines, the study uses stochastic frontier methods to investigate the effects of ISO adoption. The variety of models used in this study find that adoption either tends to improve efficiency or has no impact on efficiency, but no evidence is found that ISO adoption decreases efficiency.
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Aquest article tracta el tema del “ne bis in idem” com a garantia processal penal del sistema interamericà de protecció dels drets humans. Tot fent referència als casos portats a la Cort Inteamericana de Drets Humans, s’hi presenten algunes consideracions que s’han tingut en compte a l’hora de flexibilitzar-ne el principi. Aquesta garantia es compara amb el sistema del “double jeopardy” de la common law. Així mateix, es compara també amb altres sistemes de protecció dels drets humans, com l’europeu, el del Tribunal Penal Internacional i el del Pacte de Drets Civils i Polítics de les Nacions Unides. Per concloure, es destaca la importància de l’harmonització de les garanties del procés penal en relació amb la discussió de conflictes jurisdiccionals. Aquest text és fruit de les reflexions debatudes Durand el curs de postgrau de la Facultat de Dret de la Universitat de São Paulo, “As Garantias do Processo Penal no Sistema Interamericano de Direitos Humanos”, 2008.