这暴露了以长久的环境破坏为代价换取短期工业利益的错误。It exposes the fallacy of short-term industrial gain at long-term environmental expense.国际象棋长久以来被认为是智慧的体现。Chess has long been regarded as a measure of intellect.长久以来，市场有一块巨大的空白。For too long the...
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,...