reduction-casting process

It is the problem for direct reduction process with oxygen enriched gas generated from solid fuel to produce qualified reduction gas.

制取合格的还原煤气是富氧煤气化直接还原竖炉新工艺的技术关键。

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By using a two-stage carbon reduction process, Cr~ ( 6+) may be effectively reduced to Cr~ ( 3+) or even metallic Cr. THE MECHANISM STUDY OF CARBON REDUCTION PROCESS OF TANTALUM PENTOXIDE

利用C和CO的还原性，能有效地将Cr6+还原成Cr3+或者金属Cr.五氧化二钽碳还原过程的机理研究

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The effect of solution, reduction temperature, reduction time and pre-reduction process on the preparation of 13X loading with cuprous ion were examined and the preparing conditions were optimized.

实验考察了负载溶液、还原时间、还原温度以及预处理等方面对吸附剂制备的影响，得到了制备载铜13X吸附剂所需要的最优化条件。

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Wavelet soft threshold noise reduction method is adopted to process signals acquired on site, and denoising result is excellent.

分析了小波阈值消噪的原理和方法，采用小波软阈值消噪对在实际现场条件下的检测信号进行了处理，获得了良好的消噪效果，有效地提高了检测系统的检测灵敏度。

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In this paper, the characteristics of recursive least-squares adaptive ( RLS) filter and wavelet threshold noise reduction method is studied based on simulation, both of them are chosen to process real acoustic signals.

在仿真的基础上，介绍了RLS自适应滤波器和小波消噪方法的滤波特性以及消噪的处理方法。

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Compared to the three-step distillation process, this technology shows advantages of simple technology and less investment for facilities. It has shown that the present two-step separation by use of thin film evaporator for reduction of free TDI in polyurethane prepolymer is feasible.

得到的TDI加成物和三级蒸馏相比，工艺简单，设备投资小，说明内冷式薄膜蒸发器设备采用两级分离聚氨酯预聚物中的TDI是可行的。

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The diffusion of WO_3 is the restrictive step of reduction process of WO_3. Improving fluidity of slag and enlarging areas of reaction interface can accelerate reduction process of WO_3. The use of damping preparation can restrain volatilization of molybdenum oxide effectively.

还原WO3的限制性环节是WO3在熔渣中的扩散，改善渣的流动性，扩大反应界面能加快WO3的还原；使用阻尼剂能有效抑制钼的挥发。

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So the usage of titanium oxide reduction grade as the index of thickening in blast furnace process is reasonable, and which could represent characteristic of the blast furnace smelting iron ore bearing titanium and vanadium.

因此高炉冶炼过程中用钛氧化物还原度作为判断和控制钛渣变稠的指标能更准确地反映高炉过程特点。

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Some thermodynamic properties in process of thermal reduction of Mg with high AI Alloy

高铝合金热法炼镁过程中某些热力学性质的研究

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The paper introduces the key process parameters, determination of reduction location, and control method of reduction degrees by means of tension leveller to carry out static soft reduction.

简述了利用拉矫机实施静态轻压下，介绍了该技术的关键工艺参数，压下位置的确定和压下量的控制方法。

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