1. 亚硫酸氢盐里的钙离子,镁离子,钠离子,离子等化学基可以电离。
The chemical base for the bisulfite can be ionic calcium, magnesium, sodium or ammonium, Sulfite pulping can be carried out over a wide range of PH.

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2. 结果表明,在水冲洗条件下硝酸的释放质量浓度呈一阶指数方程降低;
The results show that the releases of ammonium and nitrate nitrogen lower in exponential model, under the conditions of water washing;

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3. 这些转化结合子在高下表现出固氮活性,并能集聚在水稻表,而野生型菌在相同条件下远离水稻表。
They all accumulated on the surface of rice root system in the medium with higher ammonia concentration, while the wild type strains were removed from rice root surface in the same condition.

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4. 这些转化结合子在高下表现出固氮活性,并能集聚在水稻表,而野生型菌在相同条件下远离水稻表。
They all accumulated on the surface of rice root system in the medium with higher ammonia concentration, while the wild type strains were removed from rice root surface in the same condition.

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