نتایج جستجو برای: aliphatic hydrocarbons

تعداد نتایج: 33649  

Journal: :The Journal of biological chemistry 1948
L A HEPPEL V T PORTERFIELD

The dehalogenation in vivo of brominated aliphatic hydrocarbons such as methyl bromide (1) and bromochloromethane (2) has been demonstrated by recovery of inorganic bromide from blood and urine. The intracellular formation of bromide and methyl alcohol from methyl bromide has been advanced as an explanation for its prolonged toxic effect (3). Evidence for the splitting of chlorinated aliphatic ...

Journal: :محیط شناسی 0
ناصر حاجی زاده ذاکر دانشیار، گروه مهندسی محیط زیست، دانشکدة محیط زیست، دانشگاه تهران ایرج رحمانی پژوهشکدة حمل و نقل وزارت راه و ترابری، استادیار گروه حمل و نقل و تکنولوژی دریایی مونا مقدم کارشناس پژوهشی، گروه حمل و نقل و تکنولوژی دریایی، پژوهشکدة حمل و نقل وزارت راه و ترابری رامین شادی سازمان حفاظت محیط زیست، کارشناس ارشد دفتر ارزیابی اثرات زیست محیطی عزیر عابسی انستیتو تکتولوژی جورجیا، آمریکا ، پژوهشگر، فوق دکترا، دانشکده مهندسی عمران و محیط زیست

ports’ activities could result in oil spills occurrences and oil pollution in different ways including the discharges of ships’ oily wastes, discharges of oily ballast water and leaks at oil terminals. in this paper, using the results of the analyses of the hydrocarbon compounds in the samples collected from the sediments in the anzali port in the caspian sea in iran, the levels of oil pollutio...

Journal: :The Annals of occupational hygiene 2004
Tim Meijster Igor Burstyn Berna Van Wendel De Joode Maarten A Posthumus Hans Kromhout

The goal of this study was to monitor emission of chemicals at a factory where plastics products were fabricated by a new robotic (impregnated tape winding) production process. Stationary and personal air measurements were taken to determine which chemicals were released and at what concentrations. Principal component analyses (PCA) and linear regression were used to determine the emission sour...

Journal: :Nanoscale 2015
Haridas Kar Dominik W Gehrig Frédéric Laquai Suhrit Ghosh

Herein we reveal a straightforward supramolecular design for the H-bonding driven J-aggregation of an amine-substituted cNDI in aliphatic hydrocarbons. Transient absorption spectroscopy reveals sub-ps intramolecular electron transfer in isolated NDI molecules in a THF solution followed by a fast recombination process, while a remarkable extension of the excited state lifetime by more than one o...

Journal: :Mutagenesis 1999
R Crebelli A Carere P Leopardi L Conti F Fassio F Raiteri D Barone P Ciliutti S Cinelli J A Vericat

Ten halogenated aliphatic hydrocarbons (carbon tetrachloride, 1-chlorohexane, 2,3-dichlorobutane, 1,2-dichloroethane, 1,2-dichloroethylene, 1,3-dichloropropane, hexachloroethane, 1,1,2-trichloroethane, 1,2,3-trichloropropane and 1,1,3-trichloropropene), previously assayed in genetic assays in fungi, were evaluated in the mouse bone marrow micronucleus test in order to assess their genotoxicity ...

2015
Haridas Kar Dominik W. Gehrig Frédéric Laquai

Herein we reveal a straightforward supramolecular design for the H-bonding driven J-aggregation of an amine-substituted cNDI in aliphatic hydrocarbons. Transient absorption spectroscopy reveals sub-ps intramolecular electron transfer in isolated NDI molecules in a THF solution followed by a fast recombination process, while a remarkable extension of the excited state lifetime by more than one o...

Journal: :international journal of environmental research 2014
b.m. jung b. batchelor j.y. park a. abdel-wahab

the present study is to study linear free energy relationships (lfers) for dechlorination ratesin cement/fe(ii) slurries of eight chlorinated hydrocarbons including carbon tetrachloride, chloroform produced from carbon tetrachloride, 1,1,1-trichloroethane, trichloroethylene produced from 1,1,2,2-tetrachloroethane, tetrachloroethylene, trichloroethylene, 1,1-dichloroethylene, and vinyl chloride,...

Journal: :Journal of Research of the National Bureau of Standards 1936

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