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外来的还原剂被引进来。Reductant from an extraneous source is introduced.

发展了乙醇作为一种无毒的还原剂。Here, ethanol is developed to be nontoxic reductant.

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在反应中还原剂中元素的化合价升高。Reductant in the reaction of elements in valence increased.

含有饱和环的甾萜类是良好的还原剂。Saturated cyclic steroid and terpenoid compound is the better reductant.

PVC对氧化剂、还原剂和强酸都有很强的抵御力。PVC of oxidant, reductant and strong acid has very strong to resist force.

好的，现在的问题是，我们如何能知道第一步中,镁是一个合适的还原剂？OK, so now the question is, how do we know the first place that this is a suitable reductant?

含硫化氢的气体和水被认为是某些地区的一种主要的还原剂。Hydrogen sulphide bearing gas or water is postulated to be an important reductant in several areas.

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介绍了具有探索性意义的处理锰结核的新型还原剂BR法、三相氧化法。The exploring processes of using BR as a novel reductant and 3-phases oxidation method were introduced.

进行了发展氢冶金工艺，替代碳还原剂的可行性分析。This paper provides a feasible analysis on developing hydrogen metallurgical to replace carbon reductant.

考察了不同还原剂和带水剂对反应收率及产品质量的影响。The effect of the different types of the reductant and water-carrying agent on the yield was investigated.

在传热控制阶段，还原速度与加热温度和作还原剂的煤种无关。In the later period the reduction rate is independent of heating rate and the kind of coal used as reductant.

方法是，对所含金属离子利用老化废液中残存的还原剂在云母上将铜及镍还原析出后进行去除。Using the residual reductant in wastewast on mica to react with the metallic ions and then remove copper and nikel.

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研究光、热、酸、碱、金属离子、氧化剂和还原剂对叶黄素酯和叶黄素稳定性的影响。Stabilities of lutein and its esters against light, heat, acid, alkali, metal ions, oxidant and reductant were studied.

特别针对解决织物中残留的甲醛问题，介绍自制的新型还原剂，用于染料和涂料的拔染印花，可获得较好效果。Application of a new reductant which can solve the residual formaldehyde to the discharge printing can obtain good results.

矿层稳定，性能良好，经以硅铁作还原剂，采用横罐外热法炼镁试验结果，完全符合冶炼金属镁的要求。After pidgeon process, with the reductant of ferrosilicon, the experiment show that accord with the Mg metal smelting requirment at all.

介绍了铁合金生产以半焦煤代替部分冶金筛下焦炭作还原剂的生产情况和出现的问题。It introduces the production situation and problems which coke is partly replaced by semicoke coal as reductant in ferroalloy production.

改变溶液的酸度及还原剂的配制方法，找出最佳分析条件。Methods The acidity of the solution and preparation method of reductant were changed, and the optimum analysis conditions were discovered.

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甲醇作为还原剂具有高的选择性和原子经济性，一分子甲醇可以还原六个银离子。Methanol was used as a reductant with high selectivity and atomic economy, and six silver ions can be reduced by only one methanol molecule.

用硫酸亚铁铵和葡萄糖作为混合还原剂，建立了用分光光度法测定磷的方法，确定了最佳测定条件。A new method for determining phosphorus by spectrophotometry was developed, which uses ammonium ferrous sulfate and glucose as mixed reductant.

树干毕赤酵母依靠木糖生长时使用过量还原剂的另一种途径是对脂质的基因诱导。Another route by which P. stipitis appears to use excess reductant when growing on xylose is through the induction of genes for lipid synthesis.