1987年9月19至21日,由日本矿业会主办,并由建材资源工学会、资源处理技术研究会、新金属协会、矿泥运输研究会、煤炭研究会等共18个学会、协会参加,共同召开1987年日本资源、材料学协会秋季大会,会议分许多大类,其中有关粉碎、资源开发、环境科学、资源再循环微粒子分级等许多与 September 19 to 21, 1987 by the Japan Mining Association, organized by the Building Materials Resources Institute, Resources Processing Technology Research Association, the New Metal Association, Mud Transport Research Association, Coal Research Association, a total of 18 associations and associations to participate, Co-convened in 1987 Japan Association of Resources, Materials, Autumn Assembly, the meeting divided into many categories, including crushing, resource development, environmental science, resource recycling and many of the grading of particles