The article summarized recent year's manufacture process of coloring mica based pearlescent pigments at home and abroad. 本文综述了近年来国内外着色型云母钛珠光颜料的制备工艺进展情况。
The preparation procedure and data processing program of gas standard samples for titanium and titanium alloys. 研究了钛及钛合金的气体标准试样制备工艺和数据处理方案。