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coal series 【地質學;地理學】煤系。

coal state

On thebasis of describing mineralogy characteristics such as combination electron minro - form , crystallinity of clay minerals , the relationship between coal series clay minerals in themesozoic era in ningxia area and coal metamorphism was analyzed 在概述粘土礦物組合、電子顯微形態和結晶度等礦物學特征的基礎上,探討了寧夏地區中生代煤系粘土礦物與煤變質的關系。

Influence of permanent - magnet impeller type de - ironing devices on coal series kaolin clay industry 永磁葉輪式除鐵裝置對煤系高嶺土工業的影響

Surface modification of kaolin in coal series and its application in rubber 宜昌煤系煅燒高嶺土表面改性及在丁苯橡膠中的應用

Discussion on how to research breaking - loss wing coal seam in coal series stratum 淺談如何在煤系地層尋找斷失翼煤層

Quality evaluation and deep process of kaolin in coal series 大同大型煤系高嶺巖加工基地建設的前景及對策