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。
The experiment showed that the copolymer filtrate reducer is pretty good in depressing the filtration rate, collapse prevention, reservoir protection, thermal stability and resistance salt.
试验表明，本文合成共聚物具有良好的降滤失、防塌、保护油气层性能，抗温、抗业污染能力强。
The experiment showed that the copolymer filtrate reducer is pretty good in depressing the filtration rate, collapse prevention, reservoir protection, thermal stability and resistance salt.
试验表明，本文合成共聚物具有良好的降滤失、防塌、保护油气层性能，抗温、抗业污染能力强。
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