GE建设了两套反渗透过滤系统，目前可以为工厂的冷却系统和锅炉装置提供净化水源。
GE built two reverse osmosis filtration systems that now provide clean water for the facility's cooling system and boiler plant.
实验结果表明：苦豆子盐酸提取物的超滤和稀释过滤能有效除去蛋白质和其他不纯物，透过液中总生物碱的回收率高。
The results showed that the ultrafiltration with discontinuous diafiltration could effectively remove proteins and other impurities. The recovery ratio of alkaloid from the permeate was high.
随着梯度层厚度的增加，复合材料的透过性能下降，过滤精度提高。
With the thickness of gradient layers increasing, the permeability of the composites decreased while the filtration precision increased.
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