The mechanism, advantage and study progress of these new techniques are described in this paper.
阐述了生物脱氮新工艺的机理、特点及研究进展。
The domestic and international study progress in surface modification technology of PBO fiber is presented.
综述了近几年来国内外对PBO纤维表面改性研究的进展情况。
The domestic and international study progress in surface modification technology of PBO fiber is presented.
综述了近几年来国内外对PBO纤维表面改性研究的进展情况。
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