cyclopentanone是什么意思？

Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.Methyl dihydrojasmonate was synthesized fro...

cyclopentanone的音标：cyclopentanone的英式发音音标为：[saɪkləʊ'pentənəʊn]cyclopentanone的美式发音音标为：[saɪkloʊ'pentənoʊn]...

Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.Methyl dihydrojasmonate was synthesized fro...

fissure的现在完成时为：fissured...

“加法”的反义词：减法。...

Here, Elvis the heavy - duty, - engine helitanker shows off its firefighting skills for the Oshkosh crowd.在这里, 猫王的重型双引擎直升机,空中加油机炫耀的奥什科什人群的消防技能....

“抑制素”的英语可以翻译为：[化] inhibin ...

The captain and his lieutenant rushed to the companionway.舰长和海军上尉急忙冲到甲板梯口....

这个网有半英寸见方的网孔.This net has half - inch meshes.网孔规格尺寸50~200是金属丝布网,并采用穿孔不锈钢加固.Mesh sizes 50 - 200 are wire cloth screen with perforated stainless steel reinforcement.在型号空白处加入右侧表中显示的网孔代码.Enter Mesh Code in part number blank ...

n.溶解，融化（dissolution的复数形式）...

“分类学”的英语可以翻译为：taxology，taxonomy，systematics，systematy ...

a persnickety school teacher.挑剔的学校教师。a persnickety job难以应付的工作They're snobs -- stuck - up and uppity and persnickety.他们傲慢、自大又吹毛求疵.Everybody is ordinal introduce oneself how persnickety , each other of cross verbal sw...

driftwood的音标：driftwood的英式发音音标为：['drɪftwʊd]driftwood的美式发音音标为：['drɪftˌwʊd]...

notwithstanding的近义词有：despite, in spite of, notwithstanding。下面这些前置词或前置短语都含有"虽然，尽管"的含义：despite：书面用词，指不受某事或某种原因的阻碍，语气轻于in spite of。in spite of：在这些词中语气最强，可与despite换用，口语或书面语中均可使用。notwithstanding：语气最弱，仅表示一种障碍的存在。...

Quaker的复数形式为：Quakers...

许多真菌可以无性繁殖。Many fungi can reproduce asexually.足癣是一种真菌感染。Athlete's foot is a fungal infection.蕨类植物、苔藓和真菌通过孢子传播蔓生。Ferns, mosses and fungi spread by means of spores....

“老虎钳”的英语可以翻译为：vice，pincer pliers，pliers ...

majuscule的音标：majuscule的英式发音音标为：[mə'dʒʌskju:l]majuscule的美式发音音标为：[mə'dʒʌskjul]...