The structure development of coal chars under high temperature reducing conditions was studied.
研究了在高温还原性条件下煤焦的孔隙结构的变化规律.
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The interaction force between two current elements and a pair of moving point chars is discussed.
讨论了两电流元之间及一对运动电荷间的相互作用力,阐明这种相互作用力不满足牛顿第三定律的原因.
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