Toxicity determination of three insecticides as well as their mixtures against nymphal of Hemiberlesia pitysophila Takagi;
三种药剂及其复配剂对松突圆蚧的毒力测定
Control experiment of different insecticides on wolfberry gall midge;
3种药剂对枸杞红瘿蚊土壤封闭药效试验
Control Effect of Different Insecticides on Main Immigration Generation of Rice Leaf Roller,Cnaphalocrocis medinalis (Guenee) in Northwest Zhejiang;
浙西北主迁入代稻纵卷叶螟药剂防控效果研究
Effect of Several Reagents on Seedling Growth of Wancao 2 under the Condition of Simulated Acid Rain;
模拟酸雨下几种药剂对皖草2号幼苗生长的影响
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.
根据锡铁山铅锌矿深部矿石性质的变化,在对原矿性质、金银赋存状态研究的基础上,改进原性电位调控工艺和优先-混合浮选工艺的药剂制度和工艺条件,提高综合浮选指标。
The study on the effect of floatation reagent BET on coal and pyrite, which mainly concerned the respects such as surface potential, wettability, ESC A analysis and absorption measurement of coal and pyrite, revealed the mechanism of BET to coal and pyrite.
通过浮选药剂BET对煤和黄铁矿的表面电位、润湿性、ESCA分析和吸附量测定等方面的研究,揭示了BET与煤和黄铁矿的作用机理,并进行了实际煤样的分选实验。
The effects of two storage temperatures and chemicals treatment on Tibetan capillary seeds vigor;
两种贮藏温度及药剂处理对藏茵陈种子活力的影响
Researches on the effect of various chemicals on breaking dormancies of D.
研究了不同药剂对破除其休眠的效应。
Influence of Medicament upon the Rice Glume Color and Rice Qualitiy;
药剂对水稻颖壳色泽及稻米品质的影响
The Effect of Different Medicament on Dormant Branch Cutting of Vitis Amurensis Rupr;
不同药剂对山葡萄硬枝扦插生根的试验
Studies on the medicament control of two species of leafminer;
两种潜叶蝇药剂防治研究
Experiment on the Control of Rice Blast and Sheath Rot with Combined Pesticides;
不同组配药剂防治水稻稻瘟病、鞘腐病试验
Study on the Effect of Several Pesticides for Controlling the Prodenia litura in Nanjing Area;
几种药剂对南京地区斜纹夜蛾的防效
Control effect of several pesticides on Tetranychus urticae Koch;
几种药剂防治二斑叶螨试验
Influence of phosphate flotation reagents on the clarification of flotation tailing;
磷矿浮选药剂对尾矿澄清性能的影响
Study on new flotation reagent for sodium chloride;
新型氯化钠浮选药剂的研制
Research on flotation reagent intelligent optimal setting control method;
浮选药剂智能优化设定控制方法的研究
Research on preparation of ultraclean coal by floatation with MJ complex reagent;
MJ复合药剂浮选法制备细粒超纯煤研究
Experimental study of new style KJ complex reagent;
新型KJ复合药剂的试验研究
The making of MJ complex reagent is to make coal oil as raw material and distill coal oil at 320℃, then deal with the remainder, at last, adding some surface active agent.
复合药剂是近年煤用浮选药剂的发展方向。