聚乙醛可以以无规, 间同和全同形式存在.Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.乙醛酸循环体发现于油脂种子的贮藏组织中.Glyoxysomes are found in the storage tissues of fatty seeds.乙醛相应的反应服从广义的碱催化.The corresponding reaction of ac...
It generated much excitement and frenetic activity.这使人们非常激动并导致了狂热的行动.This frenetic activity is the sign of a worried man.这种发了疯似的行为活动是一个人极度焦虑的表现。And how many charges will Fisher draw against the overly - frenetic Brooks?费...
They manufacture the class of plastics known as thermoplastic materials.他们生产这类被称为热塑材料的塑料制品。Thermoplastic and thermosetting substances are called plastics.热塑塑料和热固的物质称为塑料.Of this quantity 15 % was added to thermoset ant 85...