无价值的房屋应予以拆除,为现代建筑腾出地盘.Unworthy buildings should be demolished to make room for modern construction.恶人的生命在道德上是无价值的.The life of an evil man is a moral negation.向量是无用的幸存物或四元数的无价值的支流.Vector is a useless survival, or offshoot...
The union of the entire Iberian Peninsula seemed, for the time being , to have been achieved.整个伊比利亚半岛的统一事业似乎暂获成功.Or the Irish, who came from the Iberian Peninsula?还有来自伊比利亚半岛的爱尔兰人 呢 ?The Iberian Peninsula, the Italian Pen...
以脱乙酰壳聚糖为载体,戊二醛为交联剂制备固定化碱性蛋白酶.Alkaline protease has been immobilized on chitosan with glutaraldehyde as crosslinking agent.目的研究戊二醛的新合成方法.Aim To study the synthetic method for the glutaric dialdehyde.用途: 用于生产戊二醛及高分子材料, 涂料,...