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...
Catalytic dehydrogenation of ethylbenzene is an important method for production of styrene.乙苯催化脱氢是生产苯乙烯的主要方法.Methanol dehydrogenation is a promising route for commercial production of anhydrous formaldehyde.甲醇直接脱氢制无水甲醛是具...
A blade guard is fitted to protect the operator.为保证操作人员的人身安全安装了桨叶保护罩。A sharp blade is likely to nick the skin and draw blood.锋利的刀刃可能会划伤皮肤，导致出血。The soil sticks to the blade and blocks the plough.土粘在犁铧上，卡住了犁。...
战争颠倒是非：杀戮与残忍成了美德。War turns morality inside out: killing and cruelty are virtues.甘地体现了克己、禁欲和自我约束的美德。Gandhi exemplified the virtues of renunciation, asceticism and restraint.谦虚被认为是一种美德。Humility is considered a virtue....
俄别以东和耶希亚也是约柜前守门的.Obed - Edom and Jehiah were also to be doorkeepers for the ark.于是将以色列神的约柜运到那里去.And they carried the ark of the God of Israel about thither.他们就把神的约柜送到以革伦.So they sent the ark of God to Ekron....
Read these notes carefully and keep them for future reference.仔细阅读这些注释并将其保留下来以备将来之用。They exchange traveller's cheques at a different rate from notes.他们兑换旅行支票时依据的汇率跟兑换现钞时不同。Watson has a wonderful voice, with thrillin...