Here some wet phosphoric acid purification technologies are presented.

阐述了湿法磷酸净化方法及其研究进展。

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Air separation to oxygen and nitrogen is at the heart of water purification technologies.

空气分离为氧和氮是水净化技术的核心。

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Make full use of existing conditions of ammonia plant, the purification technologies such as NHD sulfur removal, carbon removal are successfully adopted in co purification plant.

充分利用合成氨装置现有条件，在CO提纯装置上成功采用NHD溶剂脱硫、脱碳净化技术。

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Technologies on display ranged from solar powered water purification units to military vehicles using next generation materials and energy sources to light weight batteries that can give better range and endurance.

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Had this been a private-sector enterprise, competition and the threat of liability would have spurred innovation in the form of frequent updating of the drug's purification and formulation with state-of-the art technologies and would have required rigorous adherence to government regulations.

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