pre-reduction method

The Carbon-adhering Effect of Fluidized Pre-reduction in Smelting Reduction Concentrated Iron ore after treated by Carbon-adhering(CA);

经附碳处理的赤铁精矿粉在熔融还原、流态化预还原过程中的附碳（CA）效应

The Research of the Pre-reduction of BF Dust by a Fluidizing Bed in Smelting Reduction;

熔融还原流态化预还原高炉炉尘的研究

The binders,sulfidation temperature and pre-reduction time on its dusulfurization performance were investigated.

结果表明,预还原后的脱硫剂脱硫的初始阶段主要发生价态较低的氧化铈脱硫反应,随后氧化铈的价态受控于气氛的氧势,并表现出由不同价态氧化铈的脱硫效果。

Ultrafine copper powders were prepared by direct reduction method with hydrazine hydrate and formaldehyde as composite reductive agent and glucose prereduction method,respectively.

分别采用水合肼-甲醛复合还原剂法以及葡萄糖预还原法制得了微米级的超细铜粉,并利用粉末X射线衍射以及扫描电镜对其进行了表征。

The influence of technical conditions on dephosphorization & deferrization during prereduction in the "Two step" metallurgy of Nb and Fe has been studied.

对“二步法”冶炼铌铁工艺预还原的除磷分铁影响因素进行了研究，优化了得到（Ｎｂ／Ｆｅ）＞１。

The effect of all kinds of factors on the pre reduction process can be analyzed quantitatively through the program.

借助于Ｃ语言， 编制了Ｒｉｓｔ操作线图程序， 通过它， 可以定量分析诸因素对预还原过程的影响。

Influence of Melting Behavior of DRI on Smelting in Melting Gasifier;

预还原矿熔化行为对熔融气化炉冶炼的影响