在原子物理學的術語中, “ 殼層 ” 一詞是經常使用的.The word'shell " is used extensively in the terminology of atomic physics.所有的堿金屬都在閉合殼層之外有一單個S電子.All the alkali metals have a single s - electron outside a closed shell.原子核形變證實殼層結構.Nuclear...
Typical components in such a blend could be isooc'tane, alkylate and catalytic reformate.這種混合物中的典型成份可能是異辛烷, 烷基化合物和催化重整產品.The FCC unit produces large quantity of raw materials for alkylate producing.催化裂化裝置還生產大量可以用于生產...
I'm the oldest and, according to all the books, should be the achiever, but there you go.我歲數最大,無論怎么說,都應該有所成就了,可是你看看我這個樣子。I'm the oldest and, according to all the books, should be the achiever, but there you go....