METHODS: the bone wax was identified with chemicalapproach and the quality of bone wax was evaluated by saponification value.
方法:以化学反应鉴别骨蜡,通过测定成品皂化值评价骨蜡质量。
2
The isomers from double-bond position in 2,4,6-trimethylindene were separated by chemicalapproach, and the mechanism was discussed.
以化学方法分离了2,4,6-三甲基茚的双键位置异构体,并讨论了机理。
3
We are studying heart and blood vessel in zebrafish embryos, an experimental system that affords a powerful combination of genetic analyses with molecular, embryological and chemicalapproach.