Requirements for impuritycontrol, exhaust and plasma-surface interactions in future reactors are indicated.
指出了未来聚变堆对杂质控制，排气和等离子体-表面相互作用的要求。
2
From the aspects of grain size, impurity shape and size, structure type and so on, the control or influence factors of pipeline toughness are discussed.
本文从晶粒尺寸、夹杂物形态和大小以及组织结构类型等几个方面论述了管线钢韧性的控制或影响因素。
3
The source, influence and control of the impurity elements in samarium are described in this paper.