Aim:To investigate the influence of the L-forms variation of Salmonella typhimurium on their plasmids and outer membrane proteins.
了解鼠伤寒沙门菌L型变异对细菌质粒和外膜蛋白的影响。
The analytic results show that the hydrogeologic condition in Xinying No. l well is particular its erupting stone activity is mainly caused by the effect of regional stress field variation.
分析认为，新埕1井水文地质条件特殊，其涌石活动主要是区域应力场变化影响造成的。
We use L. virgaurea, one of the species in Ligularia Cass, and research the intra-inflorescence variation in flowers and seeds by sampling and investigate in field.
本研究将菊科植物黄帚橐吾作为研究材料，通过野外调查采样对其进行了花与果实的花序内变异研究。
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