1Application of the Eigenvector of Single-spot Elements to Hailstone ForecastingZHANG Xia, SU Ai-fang, SHEN Yong-chen, GUI YanSYNOPTIC AND CLIMATE24-262Verification of Zhengzhou Single Factor Forecast Capability Based on the "T7 Online" Station NetworkLIANG Yu, BU Hui, HE ZheSYNOPTIC AND CLIMATE27-283Principle and Application of Centroid Method of Radar Echo ExtrapolationQIAO Chun-gui, ZHENG Shi-lin, YANG Li-zhi, HUO Ri, LI Zhou, LU TanSYNOPTIC AND CLIMATE29-304Research on Rainstorm Objective Forecast Model in June in Longhai by Moving Expansion ModelDENG Yi-minSYNOPTIC AND CLIMATE31-345Analysis and Forecast of High Temperature of ShangqiuZHU Shi-hong, XU Feng-meiSYNOPTIC AND CLIMATE34-356Character of Wind Pressure Distribution of DongshanZHANG Zhi-xing, LIU Ai-rongSYNOPTIC AND CLIMATE36-387Study on Temperature Week by Week Forecast System of Sectorized Countries of LuoyangJI Hong-li, YU Dong-hui, SHENG Jian-ping, CHEN Hong-xia, NIE Yu-mei, MA Jun, MA Shu-lingSYNOPTIC AND CLIMATE40-428Effect of Inverted Trough on Heavy Rainfall Process of HandanZHANG Hai-xiaSYNOPTIC AND CLIMATE43-459Analysis on Severe Convection Weather on June 21,2005 in HenanZHENG Shi-lin, XI Shi-pingSYNOPTIC AND CLIMATE46-4710Relationships Between Evaporation and Climate Change During the Past 44 Years in ShangqiuSYNOPTIC AND CLIMATE48-4911Nowcasting of Severe Convection Weather in Lu'nan AreasZHANG Yan-hong, ZHENG Wei, ZHAO YongSYNOPTIC AND CLIMATE50-5012Relationships Between Air Pollutant Concentration and Meteorological ConditionsWANG Shan-fang, LIU Gui-cai, ZHOU Shu-hua, Wang MengAPPLICATION METEOROLOGY54-5513Study on Climate-ecological Factor Effect on Thousand-seed Weight of Winter WheatMA Ti-shun, MA Qing-rong, YANG Guang-xian, ZHAO Hai-qing, ZHANG Zhi-hong, CUI Zhi-huiAPPLICATION METEOROLOGY56-5714Study on Food Security and Weather Risk of ZhoukouLIU Min, YU Jian-wei, HOU Chun-mei, WANG Su-pingAPPLICATION METEOROLOGY58-6015Study on Water-saving Cultivation Benefit and Water-saving Irrigation TechnologyZHAO Hui, SHEN Chuan-ming, SHANG Xin-liAPPLICATION METEOROLOGY61-6216Rank Forecasting Professional System of the Geological Calamity in Xinxiang Taihang MountainWANG Jin-lan, ZHAO Bai-sheng, WEI Xin-zhong, LIU Zhao-liang, WANG Xin-hong, MA Yue-zhi, ZHOU Rui-xiang, MENG Xiang-yiAPPLICATION METEOROLOGY62-6317Analysis and Forecast of the Adapted Seeding Time of Winter Wheat in ZhumadianAPPLICATION METEOROLOGY64-6518Growth and Decline of Population and Effect Factors on Helicoverpa ArmigeraYANG Hai-yingAPPLICATION METEOROLOGY67-6819Improving Production and Quality of Xinyang RiceWU Jian, SHEN Yan-lingAPPLICATION METEOROLOGY69-7020Water Resources and Sustainable Development of LinyingAPPLICATION METEOROLOGY70-71 