Japan Wax

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。