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...
你是什么样的人和你想成为什么样的之间的差距就是，你做了什么。The difference between who you are and who you want to be is what you do. 你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。You have to do everything you can. You have to work your hardest. And i...
abbr.adenocarcinoma in situ 原位腺癌，Associate of the Chartered Institute of Secretaries 特许秘书学会准会员，American Committee for Irish Studies 美国爱尔兰研究委员会，Association for Computing and Information Sciences 计算与信息科学协会...
This paper presented a novel circuit for equalizing a connected ultra - capacitor stack based on DC - DC converter.介绍一种基于DC -DC 变换器的新型串联电容器组电压均衡电路....a wide range of ultra-modern equipment.一大批超现代设备Basically cleared off t...
a reversal of current trends目前趋势的转变This marked a 7% increase on the previous year and the reversal of a steady five-year downward trend.这标志着在前一年基础上有了7％的增长，扭转了5年来持续下降的趋势。That would be reversal of the order of host and gue...
玛丽好像陶醉在他那旧式的骑士风度里。Marie seemed to revel in his old-fashioned chivalry.两人行事都讲究风度。Both love doing things in style.她依然仪态优雅，不失风度。She had not lost her grace and style....