Results 221 to 230 of about 343,520 (257)
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Scalable Synthesis of 1,1-Diamino-2,2-dinitroethene Without Hazardous Intermediates or by-Products
Journal of Energetic Materials, 2012A process for the preparation of 1,1-diamino-2,2-dinitroethene suitable for scale-up was developed. The crucial features to allow scalability and enhance the process safety were the improved synthesis of 2-methoxy-2-methylimidazolidine-4,5-dione and its conversion into 2-hydroxy-2-methylimidazolidine-4,5-dione, which is a new intermediate in the ...
Zdeněk Jalový +6 more
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Metallurgical By-Products in Earthworks, Hazards of their Utilization
Advanced Materials Research, 2014Metallurgical by-products, primarily blast furnace and steel slag, have ranked among important alternative sources of fill as well as of material for the structural layers in highways. The properties of aggregates based on blast furnace or steel slag are determined to a decisive degree by the process employed by the specific ironmaker or steelmaker in ...
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Science of The Total Environment, 2010
From our previous study, an electrochemical process was determined to be a promising tool for disinfection in a seawater desalination system, but an investigation on the production of several hazardous by-products is still required. In this study, a more intensive exploration of the formation patterns of perchlorate and bromate during the electrolysis ...
Byung Soo, Oh +5 more
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From our previous study, an electrochemical process was determined to be a promising tool for disinfection in a seawater desalination system, but an investigation on the production of several hazardous by-products is still required. In this study, a more intensive exploration of the formation patterns of perchlorate and bromate during the electrolysis ...
Byung Soo, Oh +5 more
openaire +2 more sources
Radiation Protection Dosimetry, 2007
Seven types of common building materials and by-products of coal-fired power plants collected from Baoji, West China, were analysed for the natural radioactivity of 226Ra, 232Th and 40K using gamma ray spectrometry with an NaI(Tl) detector. The average activity concentrations vary from 23.0 to 112.2, 20.2 to 147.5 and 113.2 to 890.8 Bq kg(-1) for 226Ra,
Xinwei, Lu, Xiaolan, Zhang
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Seven types of common building materials and by-products of coal-fired power plants collected from Baoji, West China, were analysed for the natural radioactivity of 226Ra, 232Th and 40K using gamma ray spectrometry with an NaI(Tl) detector. The average activity concentrations vary from 23.0 to 112.2, 20.2 to 147.5 and 113.2 to 890.8 Bq kg(-1) for 226Ra,
Xinwei, Lu, Xiaolan, Zhang
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Regulatory Toxicology and Pharmacology, 2014
This article has been erroneously withdrawn due to a unique error at Production. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy .
H.E. Buist +5 more
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This article has been erroneously withdrawn due to a unique error at Production. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy .
H.E. Buist +5 more
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Journal of Hazardous Materials, 2002
The agricultural by-products of the hop plant (Humulus lupulus L.) were investigated to determine their potential for use in the removal of heavy lead(II) ions from contaminated aqueous solutions. Separate batch laboratory experiments were performed to establish the optimal binding pH, time exposures, and capacity of the metal adsorption for lead(II ...
Gardea-Torresdey, J. +5 more
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The agricultural by-products of the hop plant (Humulus lupulus L.) were investigated to determine their potential for use in the removal of heavy lead(II) ions from contaminated aqueous solutions. Separate batch laboratory experiments were performed to establish the optimal binding pH, time exposures, and capacity of the metal adsorption for lead(II ...
Gardea-Torresdey, J. +5 more
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Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology, 2019
Disinfection of water system is an essential strategy to protect human health from pathogens and prevent their regrowth during water distribution, but the reaction of disinfectant agents with organic matter can lead to the formation of disinfection by-products (DBPs).
Chaves, Raquel S. +4 more
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Disinfection of water system is an essential strategy to protect human health from pathogens and prevent their regrowth during water distribution, but the reaction of disinfectant agents with organic matter can lead to the formation of disinfection by-products (DBPs).
Chaves, Raquel S. +4 more
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Asian Journal of Research in Chemistry, 2016
The environmental fate of thermally released organic toxins including radical formation from high temperature cooking has received mounting global concern due to the potential health impacts associated with them. Therefore, this contribution investigates the thermal degradation kinetics of pyrolysis products of red meat under conditions representative ...
J. K. Kibet +3 more
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The environmental fate of thermally released organic toxins including radical formation from high temperature cooking has received mounting global concern due to the potential health impacts associated with them. Therefore, this contribution investigates the thermal degradation kinetics of pyrolysis products of red meat under conditions representative ...
J. K. Kibet +3 more
openaire +1 more source
Chemosphere, 2006
The use of ultraviolet (UV) or vacuum ultraviolet (VUV) photo-oxidation followed by biological treatment for the removal of natural organic matter (NOM) in drinking water is a potential water treatment technique under investigation. This paper reports on the trihalomethane formation potential (THMFP), the haloacetic acid formation potential (HAAFP ...
W, Buchanan, F, Roddick, N, Porter
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The use of ultraviolet (UV) or vacuum ultraviolet (VUV) photo-oxidation followed by biological treatment for the removal of natural organic matter (NOM) in drinking water is a potential water treatment technique under investigation. This paper reports on the trihalomethane formation potential (THMFP), the haloacetic acid formation potential (HAAFP ...
W, Buchanan, F, Roddick, N, Porter
openaire +2 more sources
AIP Conference Proceedings, 2011
This paper describes the use of xenon difluoride to clean deposits in the source housing, source turbo pump, and source turbo pump fore‐line of ion implanters. Xenon difluoride has previously been shown to be effective in increasing the lifetime of the ion source1,2 and this paper presents an extension of the technology to other areas within the tool ...
J. Despres +13 more
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This paper describes the use of xenon difluoride to clean deposits in the source housing, source turbo pump, and source turbo pump fore‐line of ion implanters. Xenon difluoride has previously been shown to be effective in increasing the lifetime of the ion source1,2 and this paper presents an extension of the technology to other areas within the tool ...
J. Despres +13 more
openaire +1 more source