This paper made a comparison of extracting antigen of S. Mutans by three groups of protein isolation solution under different time and temperature.

本文对三组不同组分的蛋白解离液在不同温度和时间对变链球菌细胞表面蛋白抗原的提取进行了比较。

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METHODS: The human spleen cells, obtained by the method of grinding, were divided into four groups and treated with saline solution or various concentrations of H2O2 respectively.

方法：采用研磨法获得悬浮的人脾细胞，将细胞分组后给予相应的生理盐水或不同浓度的H2O2处理。

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The move has been welcomed by local landowners and environmental groups, who have worked with the two organisations to agree a solution which will help wildlife in the valley.

BBC: River Brennand