Carbonic acid can be made into dyes and disinfectants.石炭酸可作染料、消毒剂等的原料.Alkylphenol ethoxylates ( APEs ), common in detergents and disinfectants, are suspected hormone disruptors.烷基酚聚氧乙烯 ( APE ) 类:俗称乙醇盐, 常用清洁剂和杀菌剂, 是一种可能破坏...
Ecologists argue that the benefits of treating sewage with disinfectants are doubtful.生态学家认为用消毒剂处理污水是否有益值得怀疑。Other substances used to prevent disease or infection include disinfectants and germicides.用来预防疾病或感染的其它物质有消毒剂和灭...
The split graph is given endomorphism images are retracts.给出了任意自同态像图都是收缩核的分裂图的结构.In this paper, split graphs with complete endomorphism - regularity are characterized explicitly.本文给出了具有完全正则自同态半群的分裂图的结构特征....
他文雅、迷人、能言善辩，是一名优秀的谈判人。He is polished, charming, articulate and an excellent negotiator.她们必须得既苗条又迷人，而且一定要打扮漂亮。They have to be thin, attractive and well-dressed to boot.再往南走有一些这个岛上尚未被破坏的迷人小海湾。Further to the south are some ...