5月份,北京建筑展览馆举办了建筑技术、产品展览会。内容包括1979年全国科学大会以后由原国家建工总局首次授奖的56项科研成果,节约能源、三材的有效措施和投入国际市场的建筑技术与机械设备等。现选登几项,以飨读者。明矾石混凝土膨胀剂安徽省建筑科学研究所和安徽庐江县水泥厂共同研制成功,获得科研成果三等奖。采用庐江县产的 In May, the Beijing Architecture Exhibition Hall held an exhibition of architectural technologies and products. The content includes the 56 scientific research achievements awarded by the former State Administration of Construction and Industry after the National Science Conference in 1979, effective measures to save energy and materials, and construction technology and machinery and equipment invested in the international market. Now select several items for readership. Mingyu Stone Concrete Expansion Agent Anhui Institute of Building Science and Anhui Minjiang Cement Factory were jointly developed and won the third prize for scientific research achievement. Adopted by Minjiang County