The relationship between sound transmission and environmental adaptation of Lipotes vexillifer in captivity was preliminarily studied.

初步探讨了人工饲养条件下白鱀豚声音传播与环境适应的关系。

The cluster analysis for RAPD markers were made and it was found that the result could be preliminarily classified by parts of botanic characters.

通过对RAPD扩增位点进行聚类分析，发现以部分植物学性状等背景资料能对聚类结果进行初步的分类，并给予一定合理的解释。

MTT and dilution methods were conducted to test the antimicrobial activity of olive and its functional compositions were preliminarily identified.

采用MTT法和培养板连续稀释法研究了橄榄对几种常见细菌、霉菌和酵母菌的抑制效应，并对其药效成分进行了初步鉴定。

Purification of waste gases containing toluene in low concentrations with high airflow load was preliminarily investigated by using a biotrickling filter.

采用净化甲苯专用菌种对生物膜填料塔净化处理高流量负荷下低浓度甲苯废气的技术进行了初步实验研究。

A recent investigation of the environmental Protection Agency shows that the serious pollution problem of Taihu Lake has preliminarily been brought under control.

国家环保局最近的一次调查表明华东主要湖泊太湖的严重污染问题已初步得到了控制。