purification是什么意思
purification
英[?pjr?f?'ken]
美[?pj?r?fken]
n. 提纯; 洗净; 涤罪; (犹太妇女按教规在月经后行的) 洁净礼;
[例句]Intermediates which do not meet in-process specifications may be further purified using the same purification procedure described in the NDA.
当采用替代的提纯方法时,获得的产品应象第一次一样,接受最后加工操作与检验。
[其他] 形近词: actification tonification codification