Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.
硫酸聚乙烯醇(PVA)经酯制备PVA聚阴离子电解质。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
That's ten thousand times stronger than magic acid, ten million billion times stronger than pure sulfuric acid, and a million billion trillion times stronger than concentrated hydrochloric acid — an acid that's already strong enough to give you very severe burns.
其性要比魔一万倍,相当于纯硫的亿亿倍,相当于浓盐的千亿亿亿倍,浓盐已经能对你造成严重的灼伤了。