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。
Now the study of MBR focuses on macro parameter control and system running effected by sludge characteristics, and there are little studies on molecule ecology of active sludge.
以前大部分研究集中于宏观工程参数控制和活性污泥特性对系统运行的作用过程，针对系统内活性污泥的分子生态学研究尚少。
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。
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。
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