The Development Condition of Forerunner Cutting Technique and Material of Hardware and Cutting-tools in Japan;
日本先进切削技术和五金刀具材料的发展状况
Study on Experiences of Protecting and Treating Biwa Lake of Japan;
日本琵琶湖环境保护与治理经验
The environmental protection technologies of power transformation facility in Japan;
日本变电设备的环境保护技术
The Conditions of the Japanese Food System and Its Research Progress;
日本食品系统的状况及其研究进展
Study on the Cultivation of Japanese Innovative Talents;
日本博士生培养模式研究
Sero-epidemiological Survey on Japanese Encephalitis at Pig Farms Registered in Zhuhai;
珠海市部分注册猪场日本脑炎调查研究
Effects of Accumulated Bleaching Powder on Ultrastructure of four Tissues in Charybdis japonica;
漂白粉蓄积对日本4种组织超微结构的影响
The effects of heavy metal ions on the hisological structures of gill and hepatopancreas of Charybdis japonica were observed by means of a light microscope in 15 days experiment.
在实验生态条件下研究了重金属离子(Cu2+、Pb2+、Hg2+、Cd2+)对日本鳃丝和肝胰脏显微结构(15d)的影响。
In this paper,firstly,the acute toxicity of triazopnios with different density on Charybdis japonica was determined,and the safety concentration was 0.
首先根据急性毒性试验确定了三唑磷对日本?的安全浓度为0。