研究了桑枝硫酸盐法制浆适宜的工艺条件和单段、两段次氯酸盐漂白工艺条件.Optimum conditions of kraft pulping and single stage hypochlorite bleaching were investigated.水簇上次氯酸与盐酸反应的理论研究( 英文 )Theoretical Study of Reaction of HOCl and HCl on Water Clusters?次氯酸钙(...
这个球是由一种天然纤维——省藤制成的。The ball is made of rattan — a natural fibre.比蒂在被伊藤赶超之前,曾有几圈一直处于领先。Beattie led for several laps before he was overhauled by Itoh.藤上的葡萄grapes on the vine...