The key for isobutane dehydrogenation is to synthesize non - noble mental catalysts.详细总结了不同载体和助剂对脱氢反应的影响,尤其是载体和助剂的酸碱性以及载体的孔结构.The kinetics of dehydrogenation of 2 - butanol to butanone on Ni Ultrafine particle catalyst h...
They will concentrate on teaching the basics of reading, writing and arithmetic.他们将集中教授阅读、写作和算术基础知识。Let's get down to basics and stop horsing around.别胡闹了，我们还是收收心想想要紧事吧。Nurtured carefully, the business can once again...
She doesn't care a tinker's cuss about your opinion.她对于你的意思毫不在乎.Please don't tinker with my car engine.请不要乱弄我的汽车发动机.He likes to tinker with radios.他最爱鼓捣收音机.I don't give a tinker's cuss for what h...