Toxicity determination of three insecticides as well as their mixtures against nymphal of Hemiberlesia pitysophila Takagi;

Control experiment of different insecticides on wolfberry gall midge;

Control Effect of Different Insecticides on Main Immigration Generation of Rice Leaf Roller,Cnaphalocrocis medinalis (Guenee) in Northwest Zhejiang;

Effect of Several Reagents on Seedling Growth of Wancao 2 under the Condition of Simulated Acid Rain;

Flotation Process and Recent Reagents Status of Molybdenum Ore

Based on the investigation of the ore properties and the state of gold and silver in the ore,the reagent and parameter of the used flotation technology of original potential control and selective-mixed floatation are improved in order to increase the floatation indexes with the consideration of the feature variation of the deep strope ores in Xitieshan Lead-zinc Mine.

The effects of two storage temperatures and chemicals treatment on Tibetan capillary seeds vigor;

Researches on the effect of various chemicals on breaking dormancies of D.

Based on the curve,treatment efficiencies with different chemicals,optimal dosage of any chemical at various water quality,load in a sedimentation tank,optimal operation load and economic chemical dosage at different temperature of raw water,and factors influencing efficiency of sedimentation were determined.

Influence of Medicament upon the Rice Glume Color and Rice Qualitiy;

The Effect of Different Medicament on Dormant Branch Cutting of Vitis Amurensis Rupr;

Studies on the medicament control of two species of leafminer;