Hilda Doolittle:Rewriting Myth of Helen;

History and Elucidation: Researd of Helen;

Helen by Euripides——What a man should Be;

Analysis and Preventing Measures for Flood and Drought Disasters in Hailun City;

PS123 crop growth model based method to calculate potential maize productivity in Hailun, Heilongjiang;

The Study of Airborne Pollen and Spores in Hailun of Northeast China Plain;

A method for calculating potential productivity of main crops in dry farming system as well as assessment of agricultural resources utilization in temperate zone,Northeast China: A case study of Hailun County,Heilongjiang Province;

This paper estimated the main crops potential productivity in Hailun County,and established agricultural resources utilization assessment which is composed of productivity loss value,contented index and yield potential index based on the productivity of different level.

Based on the agriculture statistical data from 1978 to 2005 in Hailun County,the agricultural development process and factors are analyzed by using the linear regression,the gray system analysis and principal component analysis method.

Spatial Analysis of Agricultural Land Quality in Hailun City,Heilongjiang Province;

Based on land-use diagram of three periods (1986, 1996 and 2000) interpreted by Landsat TM image and data of social economy for the recent twenty years of Hailun city, Heilongjiang province, the change of land-use direction, amplitude, rate and spatial distribution characteristics were analyzed by overlay-analysis function of GIS.