Weak acid cation exchanger isolation and molecular identification of infectious bursal disease virus strains 三株鸡传染性法氏囊病毒弱毒株的分离与分子鉴定
Preparation of Weak Acid Cation(WAC) Exchange Fiber PVF-g-AA 弱酸型阳离子交换纤维PVF-g-AA的制备研究
A new patented product-a dual flow weak acid cation exchanger is introduced with emphasis on application and advantages in technical and economic properties. 介绍了实用新型专利产品&双流式弱酸阳离子(WAC)交换器的开发应用情况和其技术经济方面的先进性,供选择循环水处理方式时参考。
The optimal algorithm of unit combined weak acid cation exchange resin and strong acid cation exchange resin 弱强树脂配合离子交换单元的优化算法
By using wool, acrylic fiber and viscose in a determinate proportion to spin blank melange, dyeing with weak acid dye, substantive dye, cation dye, in the way of " one-bath and one-step ", the wool melange with special style was produced. 应用羊毛、腈纶、粘胶3种纤维,按照一定比例纺成白坯绒线,再用弱酸性染料、阳离子染料和直接染料采用适当的工艺一浴一步染色,就能生产出特殊风格的花色绒线。