diethyl是什么意思？

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...

diethyl的音标：diethyl的英式发音音标为：[daɪ'eθɪl]diethyl的美式发音音标为：[daɪ'eθɪl]...

“高强度”的拼音为：gāo qiáng dù...

heat的音标：heat的英式发音音标为：[hi:t]heat的美式发音音标为：[hit]...

然而, 后知总是比先见容易.However, hindsight is easier than foresight.王又对祭司撒督说, 你不是先见 吗 ?The king also said to Zadok the priest, Aren't you a seer?耶和华吩咐大卫的先见迦得说.And the LORD spake unto Gad, David's seer, saying....

The lotion moisturizes while it cleanses.这种乳液具有清洁和润肤的功效。Confession cleanses the soul.忏悔净化灵魂。Prayer cleanses the soul, but pain cleanses the body.祈祷净化灵魂, 而痛苦则净化身体....

“按月的”的英语可以翻译为：[医] mensual ...

equally的反义词有：partially, partially, differently。adv.equally的反义词（相等地;同样地）：partially。equally的反义词（其他释义）：partially, differently。...

n.长枕( bolster的名词复数 )，垫子，衬垫，支持物v.支持( bolster的第三人称单数 )，支撑，给予必要的支持，援助...

通过将一间大屋用隔断断开的方法再隔出了几间卧室。Bedrooms have again been created by partitioning a single larger room.旱谷被断断续续的河水断开的山谷;干涸的沟壑.A deep gully cut by an intermittent stream ; a dry gulch.对端会通过超时机制来发现这个断开的连接.The peer side will detect t...

n.抵抗，阻力，抗力，电阻...

n.彩虹( rainbow的名词复数 )...

“诉讼”的拼音为：sù sòng...

dislike的音标：dislike的英式发音音标为：[dɪs'laɪk]dislike的美式发音音标为：[dɪs'laɪk]...

Objective : To establish HPLC fingerprint Radix Puerariae [ Pueraria lobata ( Willd . ) Ohwi ].目的: 建立葛根 ( 野葛 )的高效液相色谱 ( HPLC ) 指纹图谱.Puerarin is a main constituent of the traditional Chinese herb Radix pueraria lobata.葛根素...

dayfly的音标：dayfly的英式发音音标为：['deɪˌflaɪ]dayfly的美式发音音标为：['deɪˌflaɪ]...

n.二氨基马来腈...