鼻腔滴注法建立小鼠肺部肺炎克雷伯菌感染模型，比较不同接种剂量组死亡情况，确定最佳造模剂量；
To establish the mice pneumoniae model of Klebbsiella pneumoniae infection by nasal and compare the death of different inoculation doses in order to determine the optimum dose.
接种细胞一天后，用不同剂量乙基亚硝基脲（ENU）处理2小时，然后用标准法检查其染色体畸变和SCE率，用细胞计数法测定细胞毒性。
One day after plating, the cells were exposed for 2 h to various doses of ethylnitrosourea (ENU). CAs and SCEs were examined by the standard methods, while CT was determined by cell counts.
用大剂量WCV免疫小鼠，在接种部位出现皮下结节，小鼠的脾脏明显肿大，组织病理学检查脾脏有不同程度的网状内皮细胞增生。
The hard nodes in the inoculated positions of the skin and the swollen spleens with enlargement of reticular endothelial cells were found in the mice immunized with large dose of WCV.
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