Among them, the additive amount of H2SO4 and density of polymer solution play main role.

在诸因素中，硫酸用量和聚合液密度是影响聚合硫酸铁质量的主要因素。

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The method has the advantages of simple processes, little additive amount of assistants and obvious effect.

本方法工艺简单，助剂添加量少，效果明显。

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The results showed that the additive amount of MSF in bread was largely raised, and the maximum was up to 9 %.

结果表明：改性豆渣纤维粉在面团中添加量提高很大，最大添加量可达9%。

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While the absolute amount of retransmission fee still remains small, it is directly additive to profits.

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