The mechanism of electroless nickel deposition in sodium hypophosphite bath is discussed.探讨了次亚磷酸钠体系化学镀镍沉积机理.Electroless copper plating on PET fabrics using hypophosphite as reducing agent was investigated.研究了采用次磷酸钠作还原剂在涤...
此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.这种四分体最终萎缩或被再吸收.The tetrads eventually shrivel or are resorbed.结果形成二分体孢子...
Hers is a moving and ultimately triumphant story.她的事迹是一个感人肺腑的、最终获得成功的故事。Duncan and his triumphant soldiers celebrate their military victory…邓肯和他那些欢欣鼓舞的士兵们庆祝他们取得了军事胜利。We cheered the triumphant team.我们向获胜的队伍喝彩。The army mad...