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This paper studied the process parameters in sodium hyposulphite slight bleaching of OCC pulp.

通过正交试验研究了连二亚硫酸钠用于OCC纸浆轻度漂白中相关工艺参数对纸浆光学性能的影响.

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Introduce the theory and research actuality of APF and OCC.

介绍了有源电力滤波器和单周控制的原理及研究现状.

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A spokesman for the OCC declined to comment.

货币监理署发言人拒绝对此事置评.

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