采用还原脱色法对制浆中段废水的脱色进行了初步研究。
The decoloration method of the effluent from bleaching and washing plants is primarily studied by reduction with reductants.
本文分析了血袋中还原物质的组成，并对其安全性做出了初步评价。
This paper analyzed the composing of reducing substances and had a primary safety assessment on them.
从光、温度、还原介质、氧化介质、蔗糖、防腐剂、金属离子等对色素稳定性的影响进行了初步研究。
The experiment also include the preliminary study of the effects of light, temperature, pH value, reductant, oxide, sucrose, preservative and metal ions on its stability.
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