Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared.以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.A new process of Hydration of propylene oxide ...
他动员全世界的舆论反对氢弹试验。He mobilized public opinion all over the world against hydrogen-bomb tests.这种铀和氢的结合,叫做 “ 氢弹 ”.This combination of uranium and hydrogen is called a " hydrogen bomb ".使用氢弹是否违背人道?Would the use of H - bombs b...
Water is not only colourless, but odourless as well.水不仅没有颜色，也没有气味。The gases are odourless.这些气体没有气味。...a completely odourless, colourless, transparent liquid...完全无味、无色、透明的液体Hydrogen is a corlourless, odourless gas.氢气是一种无色...
Until last year, the regime kept a tight grip on the country...直到去年，那个国家还处于该政权的严密控制之下。I kept the gun aimed squarely at his eyes.我一直将枪径直瞄准他的双眼。He'd obviously kept himself fit despite his years of confinement.显然，尽管监禁多...
将一锅盐水放上去煮。Put a pan of salted water on to boil.同时，把碗置于微沸的水上，将白巧克力放入碗中使其熔化。Meanwhile, melt the white chocolate in a bowl suspended over simmering water.把水果和坚果放进罐子里，用白兰地酒浸泡。Pack the fruits and nuts into the jars and cover ...
The Lektron Kool is not ice box.冷创冰箱不是一般的冰柜.Now you can own the Lektron Kool for $ 40 or $ 50 less than the regular price.现在您可以以低于正常价格40至50美元的单价,拥有冷创冰箱.We drank a lot of kool - aid during the 22 streak, but now it's...