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1985年12月6日至13日全国煤炭试验方法标准化技术委员会在重庆四川煤田地质研究所召开了第二次年会。会议对国家标准《煤的发热量测定方法》修改草案,《煤中矿物质的测定方法》草条和《褐煤中苯萃取物产率测定方法》草案进行了审查和通过,对1985年4月间在株洲审查的《煤炭视比重测定方法》草案予以认可。此外还对《烟煤胶质
From December 6 to 13, 1985, the National Standardization Technical Committee for Coal Testing Methods held its second annual meeting at the Chongqing Institute of Coal Geology. The meeting reviewed and approved the draft revision of the national standard “Coal calorimetric method”, “Determination of minerals in coal” draft and “Determination of benzene extract yield in lignite” draft for April 1985 The draft of the “coal weight ratio measurement method” reviewed by Zhuzhou was approved. In addition to the "butter coal jelly