大量碳氢化合物如苯并芘也是诱变剂.A large number of hydrocarbons such as benzopyrene are also mutagenic.建立了粮食中苯并芘残留的高效液相色谱测定法.This thesis developed a HPLC method for determination of benzo a pyrene in grain.建立了肉类食品中苯并芘残留的高效液相色谱测定法.This t...
the vogue for child-centred education以孩子为中心的教育潮流The fighting has been centred around the town of Vucovar.战斗主要集中在武科瓦尔镇周围。The map will be redrawn centred on the position of Betelgeuse.地图将以参宿四为中心重绘.Given such incentives, ca...