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...
He examined the ads in " The New Yorker " and " Esquire. "他翻阅了《纽约人 》 和《绅士 》 杂志上的不少广告.Trends Esquire display in newsstand in an impressive and eye - catching way.《时尚先生》在报摊亭的醒目摆放,强烈吸引读者眼球.Halle Berry has been named the sex...
A worker was decapitated when a lift plummeted down the shaft on top of him...电梯沿着电梯井垂直坠落，把一名工人砸得身首异处。A worker was decapitated when a lift plummeted down the shaft on top of him.电梯沿着电梯井垂直坠落，把一名工人砸得身首异处。The jet burst into...