In the new product concept evaluation stage, the filtration method, which considers relative importance and effect of each factor of the multi-scheme, can be mainly adopted.
在新产品概念开发阶段，主要运用多设想（或方案）加权评分法对新产品设想进行筛选；
The investigation reviewed the influence of flocculants to sludge with oil and the factor influenced the sludge flocculation filtration. The best running condition is confirmed through experiment.
本研究主要考察了絮凝剂对含油污泥的过滤性能的影响，以及影响污泥絮凝过滤的各种因素，并通过实验确定了污泥的最佳絮凝的运行条件。
The investigation reviewed the influence of flocculants to sludge with oil and the factor influenced the sludge flocculation filtration. The best running condition is confirmed through experiment.
本研究主要考察了絮凝剂对含油污泥的过滤性能的影响，以及影响污泥絮凝过滤的各种因素，并通过实验确定了污泥的最佳絮凝的运行条件。
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