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1·The leaching rate of manganese can be raised by addition of small amount of reductive agent h.

当向浸出体系配加少量的还原试剂h时，可显著提高锰浸出率。

2·Nanometer copper powders were prepared from acidic waste etching solution containing copper using hydrazine hydrate as a reductive agent.

以酸性蚀刻废液为铜源，水合肼为还原剂，采用液相还原法制备纳米铜粉。

3·The effects of orthophosphoric acid concentration in precursor preparation with n pentanol as reductive agent on vanadium catalyst behavior were studied.

实验考察了以正戊醇为还原剂的前驱体制备过程中磷酸浓度对催化剂性能的影响。

4·The current conduction behavior of carbon reductive agent is determined by its structural resistance, which plays an important role in ferroalloy smelting process in the submerged arc furnace.

用于矿热炉冶炼的粒状碳质还原剂的导电性质是由其结构电阻确定的。

5·Experiment shows that longeval agent treatment can increase reductive sugar and protein content , inhibit protein degradation , reduce total amino acid content of the cutHaixian flower.

实验结果表明，保鲜剂处理可提高海仙花切花内还原糖和蛋白质的含量，阻止蛋白质的降解，降低氨基酸的总含量。