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| 1 | Seepage laws of two kinds of disastrous gas in complete stress-strain process of coal显示文摘The similarities and differences in seepage flow evolution laws of CH4 and CO2 during complete stress- strain process of samples were comparatively analyzed. The results show that the seepage flow evolution laws of CH4 and CO2 are extremely similar during the stress-strain process, showing that the character- istic first decreased and then increased. A mathematical model was also established according to the rela- tionship of seepage velocity and axial strain. However, due to the strong adsorption ability of CO2, the coal samples generated a more serious ''Klinkenberg effect'' under the condition of CO2. Owing to this, the CO2 seepage flow resulted into occurrence of ''stagnation'' phenomenon during the late linear elastic stage II. In the strain consolidation stage III, the increment rate of CH4 seepage velocity was significantly greater than that of CO2. In the stress descent stage IV, when the axial load reached the peak pressure of coal, the increment rates of CH4 seepage velocity presented a turning point. But the changing rate of CO2 seepage velocity still remained slow and a turning point was presented at one time after the peak of thestrain pressure, which showed an obvious feature of hysteresis. | Cao Shugang Guo Ping Zhang Zunguo Li Yi Wang Yong | 2011 | Mining Science and Technology2011，21，6： | 2 |
| 2 | Engineering Geological Mapping and Land-Capability Analysis in Tangshan City显示文摘Geological environment in Tangshan City is under investigation with reference to the Tangshan Urban Earth Science, geo hazards maps. The expected loss for urban land utilization is calculated by employing relevant economic mathematic models. Quantitative analysis and comprehensive evaluation are then exercised for the capability of land utilization and a series of charts for the analysis of land use capability are worked out to provide the basis for the formulation of controlling measures for urban planning and to ensure the utmost conformity between land use and geological environment in urban planning. | Li Xianzhong Institute of Earth Science, Ocean University of Qingdao, Qingdao 266003 Department of Mechanic Engineering, Tsinghua University, Beijing 100084 Yang Zousheng Institute of Earth Science, Ocean University of Qingdao, Qingdao 266003Yang Huizhu Department of Mechanic Engineering, Tsinghua University, Beijing 100084 Hu Zunguo Shi Minglei Comprehensive Institute of Geotechnical Investigation and Surveying, Ministry of Construction, Beijing 100007 | 2002 | Journal of China University of Geosciences2002，13，3： | 2 |
| 3 | Isolation and Phenotypic Characterization of Colorectal Cancer Stem Cells With Organ-Specific Metastatic Potential显示文摘 | Wenchao Gao Lu Chen Zhenyu Ma Zunguo Du Zhonghua Zhao Zhiqian Hu Qingquan Li | 2013 | Gastroenterology2013，，3： | 1 |
| 4 | Calibration Functions of Local Magnitude ML in China显示文摘On the basis of the local magnitude scale for earthquakes in China and using the data observed by main regional networks in China from 1985 to 1986,the regional calibration functions RLE(△)(suitable for Eastern China)and RLW(△)(suitable for Western China)are established through the statistic analysis of magnitude residuals and study of the average attenuation shape of the maximal phase of near shocks,and the regions in which they apply are defined.For Eastern China,For Western China, | Yan Zunguo,Li Puli and Xue JunrongSermoiogical Institute of Wuhan,SSB,Wuhan 430071,China | 1994 | Earthquake Research in China1994，8，4： | 0 |
| 5 | Using an Artificial Intelligence Method to Recognize Seismic Precursory Anomaly (SPA)显示文摘In this work,we seek for a new way to recognize and analyze the Seismic Precursory Anomaly(SPA)quantitatively.For further study of the mechanism of SPA,an artificial intelligence method,the Machine Discovery(MD)method,is proposed to process the Seismic Precursor Observation(SPO)data and to fit an analytic function to them.The analytic function is used as a criterion to identify the SPA.The algorithm of MD is worked out based on the theory of Recursive Function(RF).The data of Amplitude Factor of Solid Tide(7 value)are processed by the proposed method.We find that the subsequent data fit to the extrapolation of the discovered function during the quiet period,whereas they deviate from it before a strong earthquake.Finally,the feasibility of quantitative analysis of the SPA is testified. | Zheng Wenheng,Chen Junhua,Yan Zunguo,Zhang Qiuwen,and Yang LimingInstitute of Seismology,SSB,Wuhan 430071,ChinaEarthquake Research Institute of Lanzhou,SSB,Lanzhou 730000,China | 1997 | Earthquake Research in China1997，11，1： | 0 |
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