"Atom ball" construction, human performance of metals and steel industry respect and the peaceful use of atomic energy beliefs and expectations.
“原子球”建筑，表现了人类对金属和钢铁工业的尊崇和对原子能和平利用的信念和期望。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根据与氮相连结的活性氢原子的多寡与有无，讨论了伯、仲、叔胺类溶剂化能力的强弱。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根据与氮相连结的活性氢原子的多寡与有无，讨论了伯、仲、叔胺类溶剂化能力的强弱。
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