It is insoluble in carbon disulphide, soluble in hot aniline and phenol.它不溶于二硫化碳, 溶于热苯胺和苯酚.The carbon microfiltration membranes were prepared by pyrolysis of a home - made thermosetting phenol - formaldehyde ( PF ) resin...
Afrikaans, Dutch, English, Flemish, and German are the more important languages within the West germanic grouping.南非荷兰语 、 荷兰语 、 英语 、 佛兰芝语及德语则属西日耳曼语的几种重要语言.Their name comes from South Africa's Afrikaans language and ...
通过减少负责包囊作用的血细胞而使包囊作用受到抑制.Suppression of encapsulation is by reducing blood cells responsible for encapsulation.活囊蚴可以在包囊状态中生活几个月.Metacercariae may endure in the encysted state for several months.当环境不利时,变形虫产生包囊.An amoeba f...
她经过图书室门口时，电话响了。As she passed the library door, the telephone began to ring.他们从图书室里淘汰无用的书.They weeded out useless books from library.在聚会期间,图书室里总放着一托盘的兑了水的烈性酒.During the party there was always a grog tray in the library....
Could you please help us to photocopy our team's rooming list?能帮我们复印几份我们队的住房号一览表 吗 ?Whom do you think I am rooming with?你知道我和谁正同住一套房间 吗 ?Assists Guest Relations in greeting , rooming, and sending off VIP guests.协助客户...
使用保险套能够有效防止性病及艾滋病的传播.Condoms can protect against AIDS and other sexually - transmitted diseases.每次保险套都带有颗粒状的!Be sure to cover what contain grain condition every time!使用保险套能够减少感染HPV的风险 吗 ?Do condoms reduce the risk of HPV...