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选煤用絮凝剂性能试验方法
Methods for evaluating flocculants for use in coal preparation
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选煤用磁铁矿粉试验方法
Magnetite for use in coal preparation--Test methods
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煤炭安息角测定方法
Determination of angle of repose of coal
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煤的壳质组含量分级
Classification of exinite content of coal
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煤的镜质组含量分级
Classification of vitrinite content of coal
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选煤厂浓缩设备工艺效果评价方法
evaluation method for performance of coal preparation plant thickener
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选煤磁选设备工艺效果评价方法
Evaluation method for performance of coal preparation magnetice separator
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镜质体反射率的煤化程度分级
Classification of coalification degree by vitrinite reflectance
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选煤厂 煤泥水沉降特性分类
Classification of the settling performance of slurry in coal preparation plant
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