catalysis是什么意思？

Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis.以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization...

catalysis的复数形式为：catalyses...

catalysis的音标：catalysis的英式发音音标为：[kə'tæləsɪs]catalysis的美式发音音标为：[kə'tælɪsɪs]...

In specific acid catalysis, the undissociated acids do not contribute.在特殊的酸催化中, 不离解的酸不起作用.The corresponding reaction of acetaldehyde is subject to general base catalysis.乙醛相应的反应服从广义的碱催化.Catalysis has increased the rate o...

moms的音标：...

chairman的第三人称单数（三单）为：chairmans...

adj.不易弯曲的，挺直的，顽固的，坚定的n.舒畅，轻松v.变直( unbend的现在分词 )，变得不一本正经，变得随意，松弛...

n.少女( damsel的名词复数 )，未婚女子，落难女子，需要男人帮助的女子...

n.数字式万用表...

吃早饭...

“木匠”的拼音为：mù jiang...

It had received euphoric support from the public.它受到公众的热烈支持。Euphoric, he even thought he might settle all his problems in one fell swoop.兴致一高, 他甚至想也许能够一举把所有的问题都解决.I felt heady and euphoric.我开始兴奋，有些飘飘然了。They grow euphoric...

New car buyers and smokers will be hit by increases in taxes and excise.税率和消费税的提高将使新车买主和烟民受到打击。...this year's rise in excise duties...今年消费税的提高excise duty on spirits对烈酒征收的消费税Hardly had he returned to London when an a...

生殖带是表皮的腺体部分.The clitellum is the glandular portion of the epidermis.正蚓科的生殖带位于身体的前部.Lumbricidae have the clitellum on the anterior part of the body....

结肠型伤寒...

glean的现在完成时为：gleaned...

别被那些巧舌如簧的政客蒙骗了。Don't be fooled by slick politicians.不要被各种借口给蒙骗了。Don't be fobbed off with excuses.她被指控企图蒙骗税务员。She is accused of attempting to cheat the taxman....

n.全盛时期，在世期（尤用于人物生卒年代不明的场合）...

Even seemingly innocuous words are offensive in certain contexts.甚至看似毫无恶意的言辞在某些语境下都会引起冒犯。Even innocuous substances can sometimes register a positive result in a drug test.即使无害的物质在药物测试中有时也会呈阳性。The question appeared innocu...