1.
Chemical control is the last resort.
化学防治是最后的措施。
2.
How to Cooperate the Chemical and Biological Control;
如何协调生物防治和化学防治之间的关系
3.
The early definitions stressed a blend of biological and chemical control.
早期的定义强调生物和化学防治结合。
4.
Study on Chemical Control of Eucalyptus Buzura suppressatia in Lab
桉树油桐尺蛾室内化学防治技术研究
5.
Study on chemical control technique of Ostrinia furnacalis on sweet corn
甜玉米亚洲玉米螟化学防治技术研究
6.
Studies on Chemical Control System to Rice Diseases and Pests in Bio-rational Production;
无公害水稻生产病虫害治理化学防治体系研究
7.
Biology, Ecology and Chemical Control of Oblodiplosis Robiniae Haldemann
刺槐叶瘿蚊生物学、生态学及化学防治初步研究
8.
Chemical and Entomogenous Fungi Control Techniques of Seabuckthorn Carpenter Worm (Holcocerus Hippophaecolus)
化学防治和虫生真菌防治沙棘木蠹蛾的技术研究
9.
Using concentration of benzene hexachloride(BHC) and dichlorvos(DDVP) by 3∶1,the control effect can reach 98.6%.
采用六六六加敌敌畏按3∶1混合剂进行化学防治,防治效果达98.6%。
10.
Study of Harmless Chemical Management Techniques on Agaricus Bisporus Diseases
双孢蘑菇病害无害化化学防治技术研究
11.
Studies on Biological Characteristics and Chemical Control of Neogreenia Sophorica Wu (Hemiptera: Margarodidae);
槐树长珠蚧生物学特性及化学防治的研究
12.
Virus Identification and Chemical Control of Pepper Virus Disease in Shaanxi Province;
陕西辣椒病毒病毒原鉴定及化学防治研究
13.
Studies on Occurrence Rules and Chemical Control of Rot Disease of Apple Tree in Shannxi;
陕西苹果树腐烂病发生规律及化学防治的研究
14.
Tobacco Mosaic Virus Diseases Generation and Their Chemical Protective Mechanism;
烟草花叶病毒病的发生及化学防治机理研究
15.
Identification and Chemical Control of Brown Patch pathogeny of Turfgrasses;
草坪草褐斑病病原鉴定及化学防治研究
16.
Atmospheric Pollution and Its Prevention Measures;
大气环境化学污染及其防治措施研究
17.
The Chemical Pollution of Meat Food and Its Preventive Measures;
肉类食品的化学性污染及其防治措施
18.
Pollution Problems in Chemical Laboratory and Countermeasures
化学实验室中的污染问题与防治对策