NO.lSeismie Aetivity and Fuzzy ComPrehensive Evaluation of Crustal Stability in the Beijing Region····························································……Huang Qinghua嘴庆华、 Ma Yinshens吗寅生、and sons Xinehu味新初)Arohaean Greenstone Beits in china······……,’’··················……Shen Baofen枕保丰X Peng xiaoliang澎晓亮入Luo Hui酪辉)and Mao Debao凭德宝)The M echanism of Bacterial Oxidat…