Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.In 2002, we develop Photo - catalyst & electronic Ionizer A...
Hyperlinks can also go to newsgroups and to Gopher, Telnet, and FTP sites.超链接还可以转到新闻组或gopher 、 Telnet和FTP站点.He discovered there are competitions between two gopher villages in one area.他发现同一地区的两个囊地鼠群落之间有竞争.I want you to ...
They worship James Brown, Bob Marley and Jimi Hendrix.他们崇拜詹姆斯·布朗、鲍勃·马利和吉米·亨德里克斯。Jimi Hendrix inspired a generation of guitarists.吉米·亨德里克斯启发了整整一代吉他演奏者。His style of playing would make Jimi turn in his grave.他的比赛风格会让吉米在九泉之下...