diethyl是什么意思？

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]...

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...

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...

AW: What was the training like in Santa Cruz?究竟是什么样的训练在圣克鲁斯?Koko lives in the Santa Cruz mountains, in a wooded spot overlooking Silicon Valley.科科生活在圣克鲁斯山区一片能俯瞰硅谷的密林中....the barrios of Santa Cruz.圣克鲁斯市的西班牙语居民聚居区Cruz had ...

n.石竹类属植物（如康乃馨、美国石竹等）...

bolster的一般过去时为：bolstered...

vi.克服困难（hurdle的过去式与过去分词形式）...

middle的音标：middle的英式发音音标为：['mɪdl]middle的美式发音音标为：['midl]...

“贬”的反义词：褒。...

心脏阻塞...

chlamyses的音标：...

她那长长的黑发松散地飘垂在双肩上.Her long black hair hung loosely about her shoulders.此时他不耐烦地拿着莫莉的钥匙, 它松散地包在她猩红色的头巾里.He now impatiently handed molly the key, that was loosely bundled inside her scarlet scarf.在本文中,目标运动分析被松散地分成两大类.The TMA...

Van Gogh had a major influence on the development of modern painting.凡·高对现代绘画的发展有着重大影响。Most people have very little difficulty in seeing why a Van Gogh is a work of genius.多数人不难理解为什么凡·高的作品是天才之作。Van Gogh is probably the b...

japes的音标：...

“扁桃腺”的拼音为：biǎn táo xiàn...

几位高官相当公开地对和平谈判表示出不屑。Several leading officers have quite openly scorned the peace talks.他越来越公开地谈他的问题.He speaks more and more openly about his problem.格雷斯这样公开地追求那个小伙子,真应该感到害臊.Grace ought to be ashamed of herself , hurling ...

MC的复数形式为：MCs...

你回来真是太好了，就等着向你道贺呢！It's great to have you back. Congratulations are surely in order!大家纷纷向那封新婚夫妇道贺.Congratulations showered on the newlyweds.德怀尔船长向您道贺,并请问您能否赏光上船.Captain Dwyer presents his compliments and asks if you ...