In addition , elutriation, growth, shrinkage and reaction act differently for the different - sized particles in the bed. 此外,扬析 、 长大 、 缩小和反应对床层中不同粒度的颗粒所引起的作用也不相同.
Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The effects of reactant mole ratio , catalyst dosage , microwave irradiationtimeyield of cyclohexanone glycol ketal were investigate...
Lee Kuan Yew still likes to jerk the strings backstage in Singapore.新加坡的李光耀依然喜欢在幕后操纵大局.The speaker likes to have an attentive audience.演讲者喜欢注意力集中的听众。She likes to brush her hair.她喜欢梳头发。Everyone likes divulging their perso...