Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated.研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应.The purified rice amylose and amylopectins were obtained by n - butanol recrystallization meth...
His work as a consul-tant consisted in advising foreign companies on the siting of new factories.作为一名顾问，他的工作是为外国公司在新厂选址问题上提供建议。The British Consul in Zurich has confirmed that a British man was among the people killed.英国驻...
There is occasional, transient, nondescript pain, or sensibility during mastication.咀嚼时,有偶发的 、 暂时的 、 不可言状的疼痛或敏感.Objective To investigate the effect of unilateral mastication on glenoid fossae by means of animal experimen...
The AFC system of LINAC , based on the Embeded - system, is studied in the paper.本论文重点研究的是嵌入式系统在电子直线加速器 磁控管 频率自动跟踪控制中的应用.Unfortunately, there are also a lot of AFC's that subconsciously AVOID creating attraction.不幸的...