Ethyl acetate ( 71 . 41 b ) was added to the slurry in the vessel.把醋酸乙酯 71.4 磅加到容器中的浆液内.These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively.这些峰分别相当于乙基和丙基的侧链开裂.In benzene or ethyl a...
Business Center services IDD, telex, fax, copying, typing.商务中心服务IDD 、 电传 、 传真 、 复印 、 打字.Is there an IDD phone in the lobby?大厅里有IDD电话 吗 ?Objective To explore the effect of iodine deficiency disease ( IDD ) prevention and ...
But all exoplanet detections had been of the squiggly variety.但是此前所有探测到的系外行星都是不起眼波形.Thus, keeping track of the whole trajectory and the history of detections is not required.因此保存所有的轨道以及发现的历史记录是不必要的.Previous, indirect det...
萨拉抬起手来开始用手指缠绕一缕头发。Sarah lifted her hand and started twirling a strand of hair.她把一缕散发从眼前甩开。She shrugged a stray lock of hair out of her eyes.我注意到走廊尽头的一缕光线。I noticed a chink of light at the end of the corridor....