Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The effects of reactant mole ratio , catalyst dosage , microwave irradiationtimeyield of cyclohexanone glycol ketal were investigate...
如果你们的婚姻或关系出现裂痕，就向婚姻指导顾问求助。If your marriage or relationship is in disrepair, enlist the help of a marriage guidance counsellor.这对完善普通逻辑或关系理论有重要意义.This has important significance to perfecting general logic and relations t...