In there compounds, the cyclopentadiene ring has only four hydrogens.在这些化合物里, 环戊二烯环只有4个氢.The method of cyclopentadiene ( CPD ) from dicyclopentadiene ( DCPD ) with liquid phase thermal decomposition method is studied.研究了...

The story was a temporary expedient.这个借口是临时的应急之法。Surgical waiting lists were reduced by the simple expedient of striking off all patients awaiting varicose vein operations...采取了将所有等待进行静脉曲张手术的病人从名单上删除的简单做法，这一权宜之计使得外科手术等待名...

expedient的近义词/同义词有：useful, appropriate, desirable, helpful, wise, fitting, sensible, advisable, helpful, wise, advantageous, sensible, fitting, desirable, judicious, useful, appropriate。adj.expedient的近义词（有用的;适当的）：useful,...

cyclohexadiene的音标：cyclohexadiene的英式发音音标为：[saɪkləʊheksə'daɪi:n]cyclohexadiene的美式发音音标为：[saɪkloʊheksə'daɪin]...

So, we carried out with cyclopentadienyl molybdenum tungsten disulfide - based Synthesis and Characterization of.为此, 我们开展了对含环戊二烯基二硫型的钼钨配合物的合成及性质研究.The progresses in bridged or substituted cyclopentadienyl ( and indenyl )...

n.间脑，中脑...

富烯...

It grieves me to hear how disobedient you've been.听说你很不听话,使我感到非常难过.That disobedient boy is a pest.那不听话的男孩令人讨厌.Her tone was that of a parent to a disobedient child.她的语气就像是一个家长在训自己不听话的孩子。The disobedient boy was ordere...

n.应急有效的，权宜之计的( expedient的名词复数 )...

白檀二烯...

环戊二烯...