提出了一种干柱层析法 分离提纯 试剂对氨基偶氮苯的新方法.A new method for separating and purifying p - AAB ( p - aminoazobenzene ) by dry - column chromatography is developed.偶氮苯侧链液晶聚合物.Azobenzene side - chain liquid crystalline.必须通过偶氮,(苯)酚类,有机氯试剂,...
贫困自身并不能使人成为贱民.Poverty in itself does not make men into a rabble.过去不远,我们的祖先对于周围贱民曾经掌握过生杀之权.Our not remote ancestors held the right of life and death over the surrounding vulgar.贱民解放的过程起始于殖民地时期.The emancipation process of ...
我们必须服从于需要.We must bow to necessity.因为心理学是一门科学, 它主张其理论要服从于观察或实验.Because psychology is scientific, It'submits its theories to empirical testing.人类是宇宙中的人类, 是服从于宇宙规律的.Being is a cosmic being, under the cosmic laws....
This paper first presents the working principle of passive detection electrostatic fuze.首先介绍了被动式静电引信的工作原理.A fuze delay allows penetration of dense woods and light earthworks.用于炮弹穿透浓密的林木和轻型土木工事.Resisting suspend particle ...
早期的石印机不小多是手摇式木架布局, 合座靠手工不不安息.Early stone press mostly hand - driven Fiat ship structures , fully manual operation.在山区,差不多所有的材料部是油印或石印的.In the mountains almost everything had to be mimeographed or stone - block lithograph...
Don't count in the broken ones.破的别算入在内.Don't count in me.不要把我算在内.See how many cups and saucers we have - but don't count in the cracked ones.看我们有多少个杯碟― ― 可是不要把破裂的算在内....
我步行穿过那条公路上面的立交桥.I walked through an overpass over the road.立交桥改变了城市的面貌。Flyovers have changed the face of the city.那座正在兴建的立交桥是一位年轻人设计的.The cloverleaf intersection being built is designed by a young man....