This article introduced a method for preparing α - chloro - isobutylaldehyde , in order to explore a practical chloration of oxo - compound. 本文介绍了制备氯代异丁醛的方法, 其目的在于探索羰基化合物的一种实用的氯代方法.
These stones contain kernels.这些核中有仁.Resolving kernels and standard errors can also be computed for each block.还可以计算每个块体的分辨核和标准误差.Recovery of marketable kernels with a hand cracking machine averaged only 17 %.应用手摇破碎机获得的商品...
After cardiopulmonary resuscitation, he was intubated assisted with mechanical ventilation and transferred to our emergency room.心肺复苏术急救 、 气管插管接上呼吸器后送到我们急诊室.He was given mouth-to-mouth resuscitation...对他进行了口对口的人工呼吸。Despi...
再者, 你会认为真有此事 吗 ?And again, can you acknowledge it as true?这幢房子价钱太贵, 再者地脚也不好.The price is too high, and moreover, the house isn't in a suitable position.音乐会门票已经预订一空，再者，聚在广场上的人多数也买不起票。The concert was booked out, and i...
而用激光则能够激发反应物的某些特定的运动模式.Lasers can excite specific modes of the reactants.在化学过程中,氧气经常充当为反应物.Oxygen is often used as reactant in chemical processes.所加的反应物可以是二烯烃 、 环二烯烃.The feed reactants can be alkadienes, cycloalkadienes....