The multiple bud clumps subcultured were a series of salt filtration and offspring breeding selection. Then salt-tolerant plantlets were regenerated and T_2 lines were obtained.
本实验室以继代培养的丛生芽块为材料，经过连续加盐筛选、后代选育，获得了一批耐盐株系。
The vacuolating Cytotoxin from Helicobacter pylori YC-11 was purified by using water-extracting, salt precipitation and gel filtration chromatographic fractionation.
运用水油提、盐析及凝胶过滤色谱法对幽门螺杆菌YC-11株所分泌的形成空泡细胞毒素进行了提取。
Pure enzyme was obtained by using the salt fractionation with ammonium sulphate, the ion-exchange chromatography and the gel filtration.
使用硫酸铵分级盐析，离交色谱，凝胶过滤可获得纯净的酶。
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