采用半连续乳液聚合的方法合成聚醋酸乙烯乳液.Polyvinyl acetate emulsion was synthesized by semi - continuous emulsion polymerization method.最终描绘出了阴离子分散聚合的粒子形成过程.In the end, the particle formation process was pictured.乳液聚合的主要组分为单体 、 水 、 引发剂等.Th...
Opium is classed under the head of narcotic.鸦片是归入麻醉剂一类的东西....hormones that have a narcotic effect on the immune system.对免疫系统有麻醉作用的激素They use opium as a sedative, rather than as a narcotic.他们把鸦片用作镇静剂而不是毒品。He appears to be...
He zeroed in his rifle at 50 meters.他把步枪调整到50米(的射程).Newspaper headlines, though sometimes one - sided , zeroed in on some abuses.报纸的标题把火力集中于某些滥用权力的现象, 尽管有时带有片面性.An enemy battery zeroed in on the crossroad.敌人炮兵集中炮火于那个十字路口...
Johnson, as usual, monopolized the conversation.跟平常一样，约翰逊说个没完，别人插不上话。Or monopolized the land resource and obtained the land assets income for suppressing land speculation.要么是为了抑制土地投机,垄断土地资源和获得土地资产收益.Humans have monopoliz...
The main drawback to it is the cost.它的主要缺点是成本高。Everything has its drawback.事事不免有缺点.He felt the apartment's only drawback was that it was too small.他觉得这个公寓唯一的缺点就是太小了。...
初看起来,这一条好象与相对性原理是不相容的.It'seems at first to be irreconcilable with the principle of relativity.共同具有两个相对性态者可能是更原始的.The commoner two opposing Character - States is likely to be the more primitive.电磁理论不遵守伽利略相对性.Electrom...
One kind of operation is called a farrow - to - wean farm.有一种养殖方式叫从产崽到断奶养殖场.Our sow had 15 at one farrow.我们的母猪一胎下了15个小猪.When will the sow farrow?这头母猪何时产小猪?10 at one farrow一胎下十只猪崽Again a diagonal farrows works exactly the...