碳酸虽是一种强力防腐剂,但由于挥发性和水溶性,其持久性小。
示踪剂法是在原料中注入苯酚,再根据产物分离罐底物料中是否存在苯酚来判断。
以半微量法代替常量法,用溴乙烷代替碘乙烷与苯酚钠反应制取苯乙醚。
模具上不堆积,无积碳,表面无残留,不会导致铸件表面粗糙;
你可以把Prions冷冻、煮沸,放在甲醛、石炭酸或氯仿中浸泡,但是它们大多数还是原来那样并未减少致死性。
1·She smelled strongly of carbolic soap.
她身上有股浓烈的石炭酸皂味道。
—— 《柯林斯英汉双解大词典》
2·Farther south in Yancheng, Jiangsu, 300 kilometers from Shanghai, more than 200, 000 people were cut off from clean water for three days when a chemical factory dumped carbolic acid into a river.
再往南的江苏盐城(距上海300公里),因为一家化工场向河中倾倒石炭酸,导致20万人饮用水断供3日。
3·Carbolic acid( or phenol ):Organic compound, simplest member of the class of phenols. A colourless liquid with a Bland, sweetish odour, it is toxic and caustic.
石炭酸:最简单的酚类有机化合物。为无色液体,芳香味温和并带甜味,而且具有强毒性和强腐蚀性。
4·Fearing bankruptcy, Carbolic argued the advert was not to be taken as a serious, legally binding offer.
由于担心破产,石炭酸争辩的广告并没有被作为一个严重的,具有法律约束力的要约。