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中国煤炭学会选煤学术交流会于1979年10月在唐山召开。参加学术交流的论文共有60篇。为了使广大读者能及时了解这次学术交流会上论文的主要内容,除了选择一些陆续发表以外,本刊特请参加会议的作者分别写了论文摘要以供参考。为查阅方便,现接论文题目内容分以下五个方面分两期刊出: 一、选煤经济和技术政策;
China Coal Society coal preparation academic exchange was held in Tangshan in October 1979. There are 60 papers in academic exchange. In order to enable readers to keep abreast of the main contents of the dissertation at this academic exchange meeting, in addition to selecting some published articles in succession, the author specially invited the authors of the conference to write the abstracts of the dissertations respectively for reference. In order to facilitate access, the content of the present essay is divided into five sections in the following five chapters: I. Coal preparation economy and technical policies;