Imbibition is thus displacement due only to capillary forces.于是,吸吮是仅仅依靠毛细力的一种驱替.Introduced colophony of tall water imbibition domestic and international production, market condition.介绍了高吸水性树脂国内外生产 、 市场情况.The result is ve...
Amphoteric monomer is prepared with acrylic acid , dimethylamine and chloroethanol by Mannich reaction.以丙烯酸、二甲胺、环氧氯丙烷为原料,通过曼尼希反应制得两性离子单体.Biological activities of amphoteric surfactants to higher or lower organisms were i...
Thus , this reduced temperature of reaction and increased the rate of acetophenone.降低反应温度,提高了苯乙酮的收率.Objective: A new approach to prepare α - bromo - 4 - benzyloxy acetophenone was introduced.目的: 报道一种合成α - 溴-4-苄氧苯基乙酮的新方法....
These difficulties have been overcome without detriment to performance.这些困难都已在不影响业绩的情况下得到了克服。He sits up very late to the detriment of his health.他常常熬夜,这对他的健康不利.Smoking is a detriment to one's health.吸烟危害健康....
人员的裁减和服务质量的下降之间显然是有联系的。There is an unquestionable link between job losses and deteriorating services.有可靠证据表明日光曝晒与皮肤癌之间有联系。There is convincing evidence of a link between exposure to sun and skin cancer.高失业率与物价上涨不一定有联系.Hig...