The abnormal block and black round structure of 50 axletree steel was studied and analyzed using optical microscopy, transmission electron microscopy, electron probe and so on.

用光学显微镜、透射电子显微镜以及电子探针等现代材料试验手段对50钢中存在的大块黑色团状异常组织进行了研究和分析。

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Chemistry modification together with blend modification was effective for the modification of the block copolymer. Radiation modification by electron beam and ultraviolet were an important trend.

将各种化学改性方法和共混改性方法结合起来运用，有条件时进一步使用电子束或紫外光改性，是其重要的发展趋势。

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However, the incompatibility between organic and inorganic materials would cause voids in the face of the heterojunction. And it will block the electron transfer.

但是有机与无机材料彼此间的相容性不佳，可能会导致接合界面间产生空洞，而阻碍电子的传递。

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