Dichlorodiphenyldichloroethylene是什么
Dichlorodiphenyldichloroethane (DDD) is an organochlorine insecticide that is slightly irritating to the skin. DDD is a metabolite of DDT. DDD is colorless and crystalline; it is closely related chemically and is similar in properties to DDT, but it is considered to be less toxic to animals than DDT. The molecular formula for DDD is (ClC6H4)2CHCHCl2 or C14H10Cl4, whereas the formula for DDT is (… Web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 ...
Dichlorodiphenyldichloroethylene是什么
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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 … WebThis study was conducted to monitor the spread of dichlorodiphenyltrichloroethane (DDT) and its metabolites (dichlorodiphenyldichloroethylene (DDE ...
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
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WebNational Center for Biotechnology Information residential reentry center bopWebWhat are DDT, DDE, and DDD? DDT (dichlorodiphenyltrichloroethane) is a man-made chemical that does not occur naturally in the environment. It is a white, crystalline ... residential reentry management rrmWebJan 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 protein counter nemoWebOct 30, 2009 · Immune System Disorders cause the immune system to respond with unusually low activity (immunosuppression) or overactivity (autoimmunity). As many as 50 million Americans live with an autoimmune disorder caused by the immune response, autoimmunity – an organism's immune response attacking its healthy cells and tissue. residential recording security camerasWeb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 … residential realtors suttons bay miWebDDT is mainly metabolically converted into 4,4'-dichlorodiphenyldichloroethylene (DDE). Even though most countries banned DDT in the 1970s, due to the highly lipophilic nature … protein cornichon homolog 4WebB.1. LITERATURE SEARCH AND SCREEN. A literature search and screen was conducted to identify studies examining health effects, toxicokinetics, mechanisms of action, susceptible populations, biomarkers, chemical interactions, physical and chemical properties, production, use, environmental fate, environmental releases, and … residential recuperator system