WebA polymeric micelle, based on the poly(benzyl-L-Mstidine)-b-poly(ethylene glycol) (polyBz-His-b-PEG) diblock copolymer, was designed as a tumor-specific target Web尽管乙二醇的毒性较大,但其挥发性很小,故在生产中经吸入而引起严重中毒的可能性不大。. 吸入中毒时的表现为神志模糊、眼球震颤,尿中有蛋白、草酸钙结晶和红细胞等。. 口服中毒在临床上可分为三个阶段: 第一阶段主要为中枢神经系统症状,如乙醇 ...
聚乙二醇 - 百度百科
Webglycol中文的意思、翻譯及用法:n. 乙二醇;甘醇;二羥基醇。 ... The glycol is cooled by the ice surrounding the tubes, and the now-cold glycol is used to chill a different water … WebMar 19, 2024 · 这个令人头疼的成分是hexylene glycol,本来一个多星期前我信心满满地写了个晒货,因为我觉得自己推测的肯定对,hex是六,也就是己,ene是烯,glycol是两个羟基,也就是二醇,于是很明显这东西中文名是己二醇,看到二醇就大概等于保湿,所以我猜它是保湿剂。考虑到两个羟基在六个碳上的位置以及 ... free video to photo converter free download
PAG合成油(聚醚)介绍
Web乙二醇(ethylene glycol)又名甘醇、1,2-亚乙基二醇,简称EG。 化学式为(CH2OH)2,是最简单的二元醇。 乙二醇是无色无臭、有甜味液体,对动物有低毒性,乙二醇能与水、丙 … WebThe present invention relates to an ethylene glycol preparation method. Oxalate is used as raw material, and copper or copper oxides are used as catalyst. Under the conditions of the reaction temperature being approximately at 170°C to 270°C, the weight space velocity of oxalate being approximately 0.2 to 5 hr Web다이에틸렌 글라이콜 또는 디에틸렌글리콜 (Diethylene glycol), 또는 (2-하이드로에톡시)2-에탄올(2-hydroxyethoxy)ethan-2-ol, IUPAC 이름)은 2가 알코올의 일종이다. 화학식은 C 4 H 10 O 3 이다. 2가 알코올이자 에테르이다.. 성질. 무색의 끈끈한, 단맛을 가진 액체이다. 분자량은 106.12, 끓는점은 244°C, 어는점-10.45°C이다. free video to gif maker software