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GRAVITY SURVEY AND STUDIES IN XIZANG PLATEAU REGION
Yang Yuchun, Li Qinglin, Li Wenshan
1991, 9(4): 1-11.
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THE ACTIVITY OF SHIJIAZHUANG FAULT AND ITS EFFECT ON THE STABILITY OF THE CITY PROPER
Liu Boli, Cai Huachang, Zhao Jun
1991, 9(4): 12-23.
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A DISCUSSION ON GROUND MOTION METHOD WITH THE ATTENUATION RELATIONSHIP OF GRQUND MOTION IN LOESS REGION OF CHINA
Ding Boyang, Tian Shaobo, Lei Zhongsheng
1991, 9(4): 24-31.
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THE TIME-SPACE VARIATIONAL CHARACTERISTICS OF ENTROPY VALUE OF THE SEISMIC ACTIVITIES IN LIAOKAO FAULT BEFORE AND AFTER THE HEZE EARTHQUAKE (Ms=5.9)
Wang Ruitian, Sun Yaqiang
1991, 9(4): 32-38.
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CEOMAGNETIC SHORT PERIOD VARLATION AND SUBSURFACE DEEP ELECTRIC STRUCUTRE IN TIANJIN AND ITS ADJACENT AREAS
Tian Shan, Yu Bin, Li Wendong, Gong Shaojing
1991, 9(4): 39-44.
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STRUCTURAL EARTHQUAKE SYSTEM AND STRONG EARTHQUAKE ACTIVITY TENDENCY AROUND EERDUOSI BLOCK
Meng Wuyang
1991, 9(4): 45-52.
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A STUDY OF GLOBAL EARTHQUAKE TIME SERIES AND BI BIAN-PAO MODEL
Yang Weiguo
1991, 9(4): 53-61.
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THE PRECURSORY CHARACTERISTICS AND SEISMOGENIC PROCESS OF THE DATONG EARTHQUAKE IN 1989
Chen Shaoxu, Dai Yinghua
1991, 9(4): 62-70.
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THE ANOMALOUS VARIATION IN EARTH RESISTIVITY OF THE DATONG 6.1 EARTHQUAKE
Wang Zhixian
1991, 9(4): 71-77.
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HYDROCHEMICAL ANOMALIES IN HEBEI PROVINCE AND DETERMINATION OF THREE ELEMENTS OF THE EARTHQUAKE BEFORE THE DATONG 6.1 EARTHQUAKE IN SHANXI PROVINCE
Zheng Yunzhen, Wang Jiyi, Zhang Suxin
1991, 9(4): 78-83.
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AN ANALYSIS OF PRECURSORY ANOMOLY OF GROUNDWATER LEVEL IN HEBEI PROVINCE BEFORE AND AFTER THE DATONG 6.1 EARTHQUAKE
Cao Xinlai, Zhang Ziguang
1991, 9(4): 84-88.
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A STUDY OF GEOMAGNETIC ANOMALIES BEFORE THE DATONG 6.1 EARTHQUAKE
Chen Shaoming, Xie Meijuan, Xie Yongming
1991, 9(4): 89-99.
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1991, 9(4): 100-100.
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1991, 9(4): 101-101.
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