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(...
The cherry blossom came out early in Washington this year.今年华盛顿的樱花开得很早。It's lovely in the spring when the cherry blossom is out.春天樱花开放,十分美丽.The wind blasted the cherry blossom.风使樱花枯萎....
Francis bundled up her clothes again into their small sack.弗朗西丝再次把她的衣服塞进了他们的小袋子里。Francis felt he would like to stop this conversation in its tracks.弗朗西斯觉得他应该立即打断这一谈话。Francis Watson was far from being merely a furniture e...