diethyl是什么意思？

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]...

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...

The wind gusted up to 164 miles an hour.狂风大作，时速达164英里。The wind gusted again.风再次猛烈地刮了起来。The wind gusted up to 45 miles an hour.风力达每小时45英里....

Research suggests that babies learn to see by distinguishing between areas of light and dark.研究表明婴儿通过辨别光亮和黑暗的区域来学会看东西。There are a number of distinguishing characteristics by which you can identify a Hollywood epic.好莱坞的史诗...

Iphidosoma的音标：...

dampen的音标：dampen的英式发音音标为：['dæmpən]dampen的美式发音音标为：['dæmpən]...

n.颤音...

contour的音标：contour的英式发音音标为：['kɒntʊə(r)]contour的美式发音音标为：['kɑntʊr]...

adj.赞赏的，钦佩的v.赞赏( admire的现在分词 )，称赞，欣赏，想要...

to unearth buried treasures挖掘地下埋藏的珍宝It was always safer to leave no facts for anyone else to unearth.不要隐瞒任何事实留待别人侦察出来.I've asked Shirley to see what she can unearth on them.我已经让雪莉去调查他们的情况了....

Visitors are shown an audio-visual presen-tation before touring the cellars.参观酒窖前，游客们先观看了有声的视频介绍。Visitors see the painting from behind a plate glass window.参观者隔着平板玻璃橱窗欣赏那幅画。The view of lake and plunging cliffs seduces vi...

把你的文件归拢放在这个文件夹内.Assemble your papers and put them in the file.他把牲畜归拢到一起.He gathered the animals together.女裁缝归拢了布料.The seamstress gathered in the cloth....

lenticularis的音标：lenticularis的英式发音音标为：[len'tɪkjʊlærɪs]lenticularis的美式发音音标为：[len'tɪkjʊlærɪs]...

supervision的音标：supervision的英式发音音标为：[ˌsju:pə'vɪʒn]supervision的美式发音音标为：[ˌsjupɚ'vɪʒən]...

“月角”的英语可以翻译为：cusps ...

flunkyism的音标：flunkyism的英式发音音标为：['flʌŋkɪɪzəm]flunkyism的美式发音音标为：['flʌŋkɪɪzəm]...

“有限”的英语可以翻译为：limited，restricted，finite，a little，finity ...