نتایج جستجو برای: carbon disulfide cs2
تعداد نتایج: 300026 فیلتر نتایج به سال:
OBJECTIVES A six-year prospective cohort study was conducted to clarify whether the current carbon disulfide (CS2) exposure level is low enough to prevent subclinical health impairment and/or to ameliorate health effects due to previous high exposure. This paper describes the follow-up results, exposure assessment, and effects on the endocrine system. METHODS The study subjects were 432 male ...
Carbon disulfide is the most popular material for applications of nonlinear optical (NLO) liquids, and is frequently used as a reference standard for NLO measurements. Although it has been the subject of many investigations, determination of the third-order optical nonlinearity of CS2 has been incomplete. This is in part because of several strong mechanisms for nonlinear refraction (NLR), leadi...
Disulfiram is a dithiocarbamate drug used for alcohol aversion therapy that produces a distal sensorimotor peripheral neuropathy in certain individuals. Because carbon disulfide, a disulfiram metabolite, produces a peripheral neuropathy clinically similar to disulfiram, it has been postulated that disulfiram neuropathy results from CS2 release in vivo. The current study evaluated the morphologi...
Carbon disulfide is a volatile organic solvent currently used in large amounts only in the viscose industry. The negative effects of occupational exposure to CS2 on health parameters have been described at length. Despite the abundant literature, several contradictions remain unsolved, the doseeffect relationship being poorly understood. The prime reason for this is the lack of exposure measure...
The ability of microorganisms to grow on carbon disulphide (CS,) as a sole source of carbon and energy appears to be very limited : none was obtained from enrichment culture and eight Thiobacillus species could not use it. Thiobacillus thioparus strain TK-m could grow autotrophically on either CS2 or carbonyl sulphide (COS) as sole substrates. Growth yield on CS2 was 7.9 f 0.9 g cell-carbon (mo...
The analysis of the current trend gas processing enterprises related to chemical industries is carried out in this article. impact technical gases emitted by oil and industry on environment population has been studied detail. content hydrogen sulfide (H2S), carbon disulfide (CS2) carbonyl (COS) components analyzed. Studies have order determine amount sulfide, Gazli-TG sample (technical gas) fro...
Background In Korea, Carbon disulfide (CS2) toxicity was an important social problem from the late 1980s to the early 1990s but there have been few large-scale studies examining the prevalence of diseases after CS2 exposure discontinuance. So we investigated past working exposure to CS2 characteristics from surviving ex-workers of a rayon manufacturing plant including cumulative CS2 exposure in...
use of zinc and iron oxide are common in the desulfurization process from natural gas. in thisresearch, after determinations of the size and specifications through tem and xrd for each of the metaloxides, two different size ratios were used, 0.66 for zinc oxide and 0.142 for iron oxide. further, absorption of sulfur compounds in gas (hydrogen sulfide (h2s), carbonyl sulfide (cos), methyl mercap...
Screening of absorbents is essential for improving the removal rate carbon disulfide (CS2) waste air by absorption. In this work, UNIFAC model in Aspen Plus was utilized to calculate excess Gibbs function and absorption potential binary system CS2 with various alcohols, ethers, esters, amines, aromatic hydrocarbons. The results were used quantitatively compare efficiency each solvent theoretica...
As crucial small regulatory molecules, serum microRNAs (miRNAs) have been widely identified as potential noninvasive biomarkers. To survey and identify serum miRNAs associated with workers who had experienced injury to their nerve system from carbon disulfide (CS2), we profiled abnormally expressed miRNAs using the microarray technique and further performed qRT-PCR validation in case and contro...
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