Dichlorodiphenyldichloroethylene是什么
WebNational Center for Biotechnology Information Dichlorodiphenyldichloroethylene (DDE) is a chemical compound formed by the loss of hydrogen chloride (dehydrohalogenation) from DDT, of which it is one of the more common breakdown products. Due to DDT's massive prevalence in society and agriculture during the mid 20th century, DDT and DDE are … See more DDE is created by dehydrohalogenation of DDT. The loss of HCl results in a double bond on the central (previously quaternary) carbon atoms. See more DDE has been shown to be toxic to rats at 79.6 mg/kg. DDE and its parent, DDT, are reproductive toxicants for certain birds species, and major reasons for the decline of the bald eagle, brown pelican peregrine falcon, and osprey. These compounds cause egg shell … See more • Insecticide See more The biological mechanism for the thinning is not entirely known, but it is believed that p,p'-DDE impairs the mother bird's glands ability to excrete See more
Dichlorodiphenyldichloroethylene是什么
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WebAt a Glance. Dichloro-diphenyl-trichloroethane (DDT) is a pesticide that was first used in World War II in order to control insects that carry human diseases such as malaria. It is … WebAug 22, 1988 · Basis: Increased incidence of liver tumors including carcinomas in two strains of mice and in hamsters and of thyroid tumors in female rats by diet. This may be a synopsis of the full weight-of-evidence narrative. Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (10 pp, 102 K) Oral Slope Factor: 3.4 x 10 -1 per mg/kg-day.
WebChlorophenoxy herbicides are used to control broadleaf weeds (dicotyledons). These derivatives of phenoxyalkane carboxylic acids (2,4-D, 2,4,5-T, (4-chloro-2-methyl … WebP,p'-dde appears as white crystalline solid or white powder. (NTP, 1992) p,p'-DDE is a natural product found in Euglena gracilis with data available. DDE is a …
WebACGIH TLV--American Conference of Governmental and Industrial Hygienists' threshold limit value expressed as a time-weighted average; the concentration of a substance to which most workers can be exposed without adverse
Web聚对苯二甲酸乙二醇酯（PET），化学式为(C10H8O4)n，是由对苯二甲酸二甲酯与乙二醇酯交换或以对苯二甲酸与乙二醇酯化先合成对苯二甲酸双羟乙酯，然后再进行缩聚反应制得。属结晶型饱和聚酯，为乳白色或浅黄色 …
WebPolychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) are commonly detected in humans due to their persistence and bioaccumulation, and are suspected risk factors for metabolic syndrome (MetS). However, most studies have focused on individual rather than combined exposure. We explore … next assassin\u0027s creed mirageWebListing for developmental toxicity and male reproductive toxicity uses the synonym 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE). DDD, DDE, and DDT are listed … next ascent 26 mountain bike parts manualWebAug 24, 2024 · Hey guys, today we are back with a video about PUA in China. What exactly does this word mean, besides from Pickup Artist, and why has it changing?You can al... next assassins creed game releaseWeb一款基于Egg.js(为企业级框架和应用而生)、Sequelize和GraphQL，功能强大的（PC端,手机端和微信公众平台）电子商务平台及CMS ... millbrook bedfordshire stationWebJan 7, 2024 · 参数 类型 必填 默认值 说明; easyDocPath: string: 否 '/easy-doc/EasyDoc.json' easyManualsPath: string: 否 '/easy-doc/Manuals.json' easyProjectsPath next assassin\\u0027s creed game 2023Web化学物质. 盐酸洛哌丁胺，是一种有机物化合物，分子式为C 29 H 34 Cl 2 N 2 O 2 ，分子量为513.51，白色或黄白色粉末， 用作止泻药 ，治疗 腹泻 。. [1] 中文名. 盐酸洛哌丁胺. 外文名. loperamide hydrochloride. 别 名. 盐酸 … millbrook binley coventryWebdichlorodiphenyltrichloroethane. ( daɪˌklɔːrəʊdaɪˌfiːnaɪltraɪˌklɔːrəʊˈiːθeɪn; -nɪl-; -ˌfɛn-) n. (Elements & Compounds) the full name for DDT. Collins English Dictionary – Complete … millbrook beds southampton