diethyl怎么读？

Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80%以上.The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was sy...

N, N - Diisopropylethylamine ( DIPEA ) was prepared from diisopropylamine ( DIPA ) and diethyl sulfate ( Et _ 2 SO _ 4 ).以二异丙胺 ( DIPA ) 、硫酸二乙酯 ( Et2SO4 ) 为原料合成N, N二异丙基乙基胺 ( DIPEA ).RP - HPLC absolute calibration curve me...

adj.二乙基的...

He mopes about all day.他整天游手好闲。She is still in the mopes.她仍然情绪低落.On its Mopes were temples, monuments, and theaters.山坡上有一些神庙 、 念碑和剧院....

We draw a conclusion that BSG can be a carricer for NCF.BSG+NCF优于单纯NCF. 证实BSG可作NGF的载体.I find it difficult to draw a conclusion on that.我觉得此事难下结论.It may draw a conclusion that the results coincide with the truth.得出计算结果与实际...

definitude的音标：definitude的英式发音音标为：[dɪ'fɪnɪtju:d]definitude的美式发音音标为：[dɪ'fɪnɪtjud]...

That's where the shoe pinches.那就是困难所在.The coach said he wasn't worried about any position except quarterback; that was where the shoe pinches.教练员说除前场与中场的位置以外,他不担心其他别的位置; 前场与中场的位置是困难所在.The shoe pinches me.这鞋太挤脚....

We detected penicillin ( BPO , 6 - APA , BPE ) specific IgE by ELISA with mono - clonal antibodies ( McAb ) and biotin - avidin system ( BAS ), and discussed its clinical signifi - cance.利用 单克隆抗体 及生物素 - 亲和素放大系统检测青霉素 抗原 特...

atropin的音标：atropin的英式发音音标为：['ætrəpɪn]atropin的美式发音音标为：['ætrəpɪn]...

n.拥抱者，信奉者，接受者，企图以非法手段笼络法庭或陪审团的人...

“晶洞”的英语可以翻译为：geode，voog，Druse ...

新建的港口已向外轮开放.The new port has been opened to foreign ships.检验检疫机关允许此公司在宁波口岸从事外轮供应业务.Inspection Quarantine Service has ratified this company to supply for ships.集装箱三天后装上了一艘外轮.The container got loaded on board a foreign shi...

Poles的音标：...

lobster的复数形式为：lobsters...

“全等的”的英语可以翻译为：congruent ...

adj.防蚀的，防腐...

drunkenness的音标：drunkenness的英式发音音标为：['drʌŋkənnɪs]drunkenness的美式发音音标为：['drʌŋkənnɪs]...

Objective To find an easy and effective method for the storage of campylobacter.目的探索一种简单、方便、有效的弯曲菌菌种保存方法.Mucosal immune response of the mice to formalin - treated Campylobacter jejuni, CJ - S 131 , was effectively induce...