The sulfate radical ion (SO42-) has two actions in concrete: exciting FC admixture and corroding concrete.
指出硫酸根离子（SO42 -）在混凝土中起到了激发FC掺和料及腐蚀混凝土的双重作用。
The sulfate radical ion shows hight in south and low in north is possible relate with the ground water flows and the mainland salty function.
硫酸根离子呈现北低南高分带性可能与地下水流动与大陆咸化作用有关。
The determination of sulfate radical content in sulfated polysaccharides(SPS) by gravimetric analysis of hydrochloric acid hydrolysis and barium sulfate precipation was investigated methodologically.
对盐酸水解—硫酸钡重量法测定硫酸酯化多糖（SPS）中硫酸基含量进行了方法学考察。
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