In addition proper dosage of ferric salts in mixed liquor was proved to be an effective way to remove macro molecule matter.
此外，向混合液中适量投加铁盐被证明是一个控制大分子物质的行之有效的方法。
The application of the polyurethane elastomeric products is reviewed, and the prospect for this macro-molecule material with excellent properties is made in this paper.
综述了聚氨酯弹性体在矿业中的应用现状，并对这种性能优异的高分子材料的前景作了展望。
The application of the polyurethane elastomeric products is reviewed, and the prospect for this macro-molecule material with excellent properties is made in this paper.
综述了聚氨酯弹性体在矿业中的应用现状，并对这种性能优异的高分子材料的前景作了展望。
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