Factors including ratio of mixed acid, nitration time, reduction temperature and reduction have been investigated, this process exhibits the advantage of low cost and high yield.
研究了硝硫混酸配比、硝化反应时间、还原反应温度、还原反应时间等因素对产物收率的影响，该工艺具有生产成本低，产品质量稳定，收率高的优点。
This paper simulates the thermal process of a new style magnesium reduction furnace that has been developed with the technology of High Temperature Air Combustion (HTAC).
本文模拟计算了新设计开发的蓄热式金属镁还原炉的热过程。
High shrinkage PET staple fiber is mainly made by the adoption of low temperature drawing, suitable reduction of draw ratio and non-setting process.
涤纶高收缩短纤维的制取，主要采用低温拉伸、适当降低拉伸倍率以及不定型工艺。
High shrinkage PET staple fiber is mainly made by the adoption of low temperature drawing, suitable reduction of draw ratio and non-setting process.
涤纶高收缩短纤维的制取，主要采用低温拉伸、适当降低拉伸倍率以及不定型工艺。
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