The characteristics of 00·6 Flood in the Longjiang River;

An Investigation into Fe,Mn Contents in Longjiang River in Yizhou County in 2006;

Ecological Security Evaluation of Heilongjiang Province with Pressure-State-Response Model;

Fluid inclusions in breccia-type copper-gold ore bodies of Jinchang gold deposit,Dongning County,Heilongjiang Province;

Genesis and clue for prospecting of Sishanlinchang gold-silver deposit in Jidong of Heilongjiang;

Study on Characteristics of Ore-Forming Fluid in Shabaosi Gold Deposit,Heilongjiang Province;

Ordovician turbidite and its potential in gold exploration in Heilongjiang Province;

RS and GIS Based Analysis of Driving Forces of Landscape Changes in the Estuar Wetland of Jiulong River;

Preliminary estimate for the contaminations fluxes from Jiulong River to the sea;

Study on PCBs in Water of Jiulong River Estuary;

Modeling on nutrient removal by harvesting water hyacinth from Jiulongjiang River;

Geological problem study for the river erosion-sedimentation environment——a case of Jiulongjiang River and Jingjiang River in Fujian Province;

On the basis of former researchers work and the self on-spot observation(salt, current velocity, particle size, sediment charge), this paper studies the transportation of suspended sediments in Jiulongjiang river estuary, Fujian province, at both flood and low water seasons.