对贵州遵义金鼎山下寒武统牛蹄塘组黑色岩系的氯仿沥青“A”及族组分做了成分检测，并进行了岩石氯仿抽提物中饱和烃气相色谱分析。
This paper deals with the formation conditions of black shales on the basis of analyzing such items as the component of chloroform bitumen "A" and the gas_facies chromatogram of saturated hydrocarbon.
较详细地分析了沥青抽提试验误差、拌和楼系统误差的来源，提出了减少沥青含量误差的措施。
This paper analyzes in detail on the origins of the errors of the asphalt extracting test and the mixer plant, and puts forward some measures for reducing the errors of the asphalt content.
较详细地分析了沥青抽提试验误差、拌和楼系统误差的来源，提出了减少沥青含量误差的措施。
This paper analyzes in detail on the origins of the errors of the asphalt extracting test and the mixer plant, and puts forward some measures for reducing the errors of the asphalt content.
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