We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。Adding sulphate to the solution will give a precipitate.将硫酸盐加入该溶液会产生沉淀.More ammonium sulphate solution is being recovered in the process o...
Methods: We used heteroduplex mobility analysis ( HMA ) and sequencing to detect mixed infection.方法使用异双体 动态分析 法和测序检测混合感染.She has limited mobility in her arms.她的双臂只能做有限的活动。Additionally, covalent modifications have effect ...
It was impossible for him to conceal the superficiality of his knowledge.他无法掩饰知识的浅薄。In studying a problem, we must shun subjectivity, one - sidedness and superficiality.研究问题, 忌带主观性 、 片面性 和表面性....the superficiality and tr...