Typical components in such a blend could be isooc'tane, alkylate and catalytic reformate.这种混合物中的典型成份可能是异辛烷, 烷基化合物和催化重整产品.The FCC unit produces large quantity of raw materials for alkylate producing.催化裂化装置还生产大量可以用于生产...
在原子物理学的术语中, “ 壳层 ” 一词是经常使用的.The word'shell " is used extensively in the terminology of atomic physics.所有的碱金属都在闭合壳层之外有一单个S电子.All the alkali metals have a single s - electron outside a closed shell.原子核形变证实壳层结构.Nuclear...