Its hydrogenation activity in aromatics saturation and ring opening activity were investigated.芳烃加氢饱和及开环反应是一种提高柴油十六烷值的有效途径.This article reviews researches in various catalysts for alkyl aromatics peroxidation.烷基芳烃过氧化反应是酚...
The exhibition delves deep into the physics, aromatics and even the timbre of flatulence.此次展览向人们介绍了人体物理 、 气味甚至肠胃胀气的声音等各方面知识.This article reviews researches in various catalysts for alkyl aromatics peroxidation.烷基芳烃过氧化反应是...
水的化学分子式是H2O.The chemical formula for water is H 2 O.测得的准确分子量与具体的分子式完全吻合.The precise molecular weight that is measured can be uniquely associated with a specific moleculer formular.仅从分子式, 我们就能推断分子中的 “ 不饱和度 ”.From the mo...
His ankles were tied to the legs of the chair.他的脚脖子被绑在椅腿上。Do your ankles swell at night?你夜里脚踝肿吗?She was slender, with delicate wrists and ankles.她身量苗条,手腕和脚踝曲线玲珑。...
The policeman fires again, tensed against the recoil, unleashing round after round at his assailant.警察再次开火,紧抵着反冲机构,不断向袭击他的人射击。Company logos: making people's life better by unleashing Cummins power.公司理念: 以康明斯动力建设更美好的...