The blended chips containing 10 % ~65 % of n - Eicosane were fabricated with n - Eicosane, polyethylene ( PE ) and ethylene - propylene copolymer. 以正二十烷 、 聚乙烯和乙丙橡胶等为原料经熔融挤出,制成正二十烷含量10%~65%的共混切粒.
He was impudent enough to make faces at the teacher.他居然对老师做鬼脸,真是放肆极了.I mean, it's not as if I make faces or anything.我是说, 这不像我作个鬼脸或者别的什么.He often make faces in class classmate smile, stir.他常常在课堂上做鬼脸, 逗同学笑....
The arrangement presumes that both lenders and borrowers are rational.这一协议假定借贷双方都是在神志清楚的状态下签订的。Financial institutions act as intermediaries between lenders and borrowers.金融机构充当贷方和借方的中间人。Lenders rely on the misplaced loya...
A NEW SPECIES OF GENUS CONTRACAECUM ( ORINTOCAECUM ) FROM EUROPEAN WHITE PELICAN ( ASCARIDATA: ANISAKIDAE )寄生于鹈鹕的对盲囊线虫一新种 ( 蛔亚目: 异尖科 )An Anhinga — a pelican relative — stretches its wings to dry its feathers.一只美洲蛇鸟——塘鹅的一...