1Milankovitch cycles and the recognition of high-frequency wave periodQI Yong-an, WANG Run-huai, PAN Jie-nan81-852Review and prospect on the technology of the buildings protection of the mining surfaceLIANG Wei-min, GUO Zeng-zhang86-893A study of gob-side entry of coal No.9 in Jincheng coal mining areaLI Hua-min, GU Ming, ZHOU Ying, JIN Xin-lin, CHE Yin-dui, JI Cai-zhu90-934Dealing with the water in the swelling rock surrounding tunnelHUA Fu-cai, LI Shan-ju, LIU Xi-cai94-975The application of the combined bolt-spray and bolt cable technology to the large-sized chambers undergroundWANG Chen-lin, ZHANG Ting-shun, WANG Guang-nan98-1026Analysis of the causes of the heaving floor in soft rock roadway in Guhanshan coal mine and its protective measuresTIAN Ya-jun, FANG Han-wei, MAI Xiao-wen, LI Nan103-1057Developing the applied softwa re of water-inrush prediction from coal mining floor with VBHAN Jin106-1088Studies on drill-hole pumping and land deformationWANG Qi-ren, XU Zhuo-rong109-1129Investigation on the present situation of the control web and the discussion on building GPS web in mining area of TiefaWANG Xiao-wei, MENG Ling-hui, YAN Yong-fa, Sun Zhong-jian, ZHANG Jing-qi113-11610The development of monitoring and control system of mining ventilati on and safety experimental deviceWEI Jian-ping, FAN Xiao-li, GUO San-ming, HAO Tian-xuan117-12011Present condition of the mine safety and production monitoring and control system and its developing trend in futureLI Chang-qing, ZHU Shi-song, ZHAO Jian-gui121-12512The intergration of IAS and the campus networksYANG Li-shen, LU Xue-lin, WANG Hong-tao, WANG Li-xin126-12813An experimental research on the optimum graduation of the medium of centrifugal millYUE Wen-hui, TANG Guo-ning129-13114Research of BTA grinding tool s' speciality on machining small-deep precise hole of hard brittle materialDU Wen-xuan, GAO Guo-fu, HE Zi-xing, ZHAO Bo, HE Nan-fang132-13615Analysis on cracks in top wall of mixed constructionXIAO Si-xi137-13916Middle-low yielded cultivated land improvement and sustainable development of agricultureLI Ming-qiu, WANG Bao-shan140-14217A programming model of return and risk in investmentPENG Tie-xiang, PU Fei143-14618Fuzzy associative memory neural networksWANG Tian-shun, CHEN Rong-jiang147-15019Surface binding energy effect in preferential sputtering of alloys ta rgetZHANG Bing-chu, CHANG Zhu-lin151-15420The introduction of the chemical shift concept and its appliation155-156 