目前使用氧化钙复合的镁基脱硫剂较为合理.It is rational to use complex desulphurization agent for pretreating hot metal.石灰石中氧化钙的理论含量占56%.The theoretical content of CaO in limestone accounts for 56 %.氧化钙较碳酸钙能中和胃酸.Calcium oxide can neutralize ...
The skyline of domes and minarets was imprinted on my memory.天空中穹顶与尖塔的轮廓深深刻在了我的记忆中。The village church dominates the skyline.乡村教堂在天空映衬下的轮廓非常醒目。The Empire State Building is a familiar landmark on the New York skyline.帝国大厦是...
在氨基糖生物合成方面,工作做得很少.Little work has been done on amino sugar biosynthesis.氨基转移酶分布在细胞质 、 叶绿体和微体中.Amino transferases are located in the cytoplasm, chlorplasts and microbodies.在脱氨作用中, 分子 含氨基 的部分被移去.In deamination, the nitroge...