出渣

Magnesium carbonate was prepared by carbonization leaching from desiliconization slag of laterite nickel ore, and the content of NiO in the residue reached 2.96%.

以红土镍矿脱硅渣为原料，采用碳化、热解工艺制备出碳酸镁产品，并使NiO在碳化渣中富集到2.96%。

The effect of roasting temperature, roasting time and the reducer dosage on the leaching ratio has been studied. The best process condition is cinder/ lignite is 1/0.8, the roasting temperature is 800, the roasting time is 20min. The second is vitriol lixiviate.

本工艺分四个阶段进行：首先是硫铁矿烧渣的还原焙烧，探讨了焙烧温度、焙烧时间和还原剂用量对铁的还原浸出率的影响，得到的最佳工艺条件为烧渣：褐煤=1：0.8，焙烧温度800℃，焙烧时间20min。

New VAI CON ○R stopper system developed by VOEST ALPINE Industrieanl agenbau is a highly effective solution for reducing slag carry over in converter steelmaking. Its development is the result of many years of engineering and operational experience in close cooperation with steel producers.

奥钢联的新型 VAI-CON○R挡渣系统是减少转炉出钢带渣量的高效手段，是在同钢铁企业密切合作的基础上经过多年设计和操作经验的积累而开发成功的。

The measures adopted to reduce the content of oxygen in steel are introduced, such as catching carbon, raising rate of one-time turning down, lowering tapping temperature, controlling slag amount, white refining slag deoxidizing and etc.

介绍了石钢转炉厂为降低钢中氧含量采取的一系列措施，如高拉碳、提高一次倒炉率、降低出钢温度、控制下渣量、精炼白渣脱氧等，氧含量由2001年的50。

Through the process of direct gasification and melting incineration, the rate thermal decay remaining melting slag was close to zero, and heavy metals could not be lixiviated from the slag. The content of dioxins was only 0.0049ngTEQ/g, and the decomposition rate reached 99.93%, so a harmless IItreatment on MSW was realized through our technology.

经过直接气化熔融焚烧后的残留熔融渣热灼减率达0，渣中的重金属不易浸出，二恶英含量极低，仅为0.0049ngTEQ／g，分解率达99.93％，实现了真正意义上的无害化处理，可直接应用于建筑。

Based on the above, the mechanism of dissolving CaSO4, oxidizing dissolving metal sulphide and dissolving basic oxide in the process of lixiviating sulfuric acid residue is analyzed.

在此基础上对硫酸渣浸出过程中CaSO4溶解、金属硫化物氧化溶解、碱性氧化物溶解的机理进行了分析，指出硫酸渣是一种具有开发价值的二次资源。

We study the Electro-slag Welding Technique and its equipments, and use different materials to do some experiments, at last, we find a new method to produce the box frame members.

电渣焊在我公司属于新的技术也是难点，在国内其他厂家借鉴的技术也十分有限，通过研究电渣焊技术和设备，用不同材料的反复试验，工艺的不断摸索，终于探索出一套制作箱形构件的方法。

This desiccant has a disadvantage as being agglomeration after regeneration.In addition, mechanism of moisture adsorption of corn hull desiccants. By the phenomena of adsorption and calculative activation energy, the mechanism of moisture adsorption was validated.

另外，本文对玉米渣皮干燥剂的吸附机理进行了探讨，并通过玉米渣皮干燥剂吸水过程中所表现出的性质和吸附活化能的计算结果对吸附机理进行了验证。

Test on heap leaching by adding natural drying copper slag and FeSO 4 into H 2SO 4 solution of pH was conducted.

试验表明，在pH 的硫酸溶液中加入经自然风干后的铜渣和FeSO4 进行堆浸，经过 34天二个阶段的自然堆浸作业，铜渣中Cu的浸出率可达到 90 %以上，该工艺在技术上是可行

Oxidizing feature which is oxidizing leaching of every element, studied kinetics of anode oxidation, analyzed oxidizing slag with XRD and SEM during suspension electrolysis of zinc sulphide mine. The results show that zinc sulphide concentrate in different suspension electrolysis solution can be oxidized. However, the ore in zinc sulphide, ammiaonia sulfate and sulfuric acid suspension electrolysis solution can be oxidized obviously and has better oxidation rate.

确定了硫化锌矿悬浮电解时的电解液后，我们又对硫化锌矿在悬浮电解过程氧化特征即矿物氧化时其中各元素的氧化溶出情况进行分析，对阳极氧化进行了动力学研究，对氧化渣进行XRD和SEM分析，以了解其含锌矿物在悬浮电解过程中的氧化规律，还进行了渣中元素硫的回收。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。