Electric furnace is major equipment of zinc powder reduction smelting.
电炉是锌粉工艺进行还原熔炼的承载设备。
Bronze Powder: an inert alloy of copper and tin providing a blend of properties that assists with the demands of the industry for wear and noise reduction.
青铜粉一铜和锡的惰性的合金提供混合物减少工业的磨损和降低噪声。
The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.
研究了以化学还原法与均匀沉淀法相结合的方法制备纳米铜粉。
This thesis carries on the study of preparing claviform ultra-fine iron powder by liquid precipitation-thermal reduction.
本文研究了以液相沉淀法合成前驱体，然后对前驱体进行热分解还原得到棒状超细铁粉的方法。
The selective reduction impoverishment of slag from copper smelting with addition of charcoal powder and stirring of inert gas is investigated by the aid of metallurgical analysis, SEM and EDX.
借助于金相分析、SEM和EDX等方法，研究炼铜炉渣加炭粉、通惰性气体搅拌选择性还原贫化过程。
The boron powder prepared by traditional heating reduction with magnesium is lower in purity and contains high impurities, such as Mg, o.
传统的金属镁热还原法制取的硼粉纯度低，含有大量的镁、氧等杂质。
The fine tungsten powder has been effectively obtained by hydrogen reduction of purple tungsten oxide.
用氢还原紫色氧化钨可高效地获得细钨粉。
The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.
以苯酚为原料，复合金属离子为催化剂，研究用气相氧化合成苯醌，用铁粉还原苯醌制对苯二酚的两步法工艺，考察了氧化过程中的工艺条件对反应的影响。
This paper deal with a new method of preparing nano-silver powder by resin absorption and chemical reduction method.
研究了一种通过树脂吸附—化学还原的方法制备纳米银粉的新方法。
The reduction of subsidence and the improvement of dispersivity of the coating can be achieved by the application of such calcium silicate powder as filling compound.
将以上硅灰石粉末作填料，可降低涂料沉降率和增强分散性。
The results show that the reduction temperature and time have remarkable effect on the metallization rate of reduced iron powder.
研究结果表明，还原温度和还原时间对还原铁粉的金属化率具有显著影响。
A unique ingredient combination that supports hunger control and fat reduction. This exclusive blend is available in powder form for the first time.
独特的配方组合成一款有助于控制减少饥饿感跟脂肪的产品，这种独特的配方是首次以粉末的形式提供。
Based on the principles of fractional reduction and step dilution, when retrieving Cadmium from Cd dross, percentage purity of Cd powder can reach to 99.
本文采用分步还原、梯级稀释理论从废镉渣中回收出了纯度高达99。
The spherical tungsten powder was fabricated by spray-drying method combined with hydrogen reduction using ammonium metatungstate (AMT) as raw materials.
以偏钨酸铵(AMT)为原料，采用喷雾干燥法结合氢气还原方法成功制备出球形钨粉。
The black powder in the exit gas of methane compressor caused the plugging of coo ling box and resulted in the reduction of refrigeration effect.
小型乙烯生产装置的往复式甲烷制冷压缩机出口气体中存在黑色粉尘，易进入冷箱造成堵塞，影响甲烷制冷并危及装置生产。
The invention discloses a direct reduction generator for copper powder with low apparent density and a process thereof.
本发明公开了一种低松比铜粉直接还原发生器及工艺。
Annual reduction of loss of alkaline powder can save the cost of 300,000 yuan.
每年因减少碱粉流失，可节省费用30万元。
In situ magnetization X-ray powder diffraction method is firstly applied to measure magnetostriction coefficient of reduction iron powder.
首次报导X射线粉末衍射法测量铁粉晶胞的磁致伸缩系数。
During the reduction process, it is possible to obtain metal with dense layer or ultrafine powder by controlling the reaction temperature and chloride concentration.
在还原过程中，控制反应温度及氯化物浓度可以获得金属致密镀层或超微粉末。
The research shows that Ni(NO3)2 decomposition-hydrogen reduction is a convenient and effective powder coating method for MoS2 powders.
研究表明硝酸镍分解-氢还原法对二硫化钼粉末而言是一种方便和有效的粉末包覆方法。
Synthesis of ultrafine nickel powder by solution reduction technique and effect of the dispersant;
采用溶液还原法，以硫酸镍为原料，水合肼为还原剂制备了超细和纳米镍粉。
The iron powder quality is ensured through tunnel kiln reduction and second reduction by using iron scale of high grade as raw material.
以优质铁鳞为原料，加强隧道窑和二次精还原工艺技术管理，确保铁粉质量。
Using zinc oxide and carbon powder as raw material, different shaped ZnO crystals are obtained in different area by the carbothermal reduction method.
以ZnO粉和石墨粉为原料，用碳热还原法获得了分区生长的多种形貌ZnO晶体。
Nanocrystalline SiC powder was synthesized by carbothermal reduction of the precursor of carbon black and silica gel prepared by precipitation-spray drying slurry of carbon black and water glass.
以廉价的水玻璃和炭黑为原料，采用沉淀-喷雾干燥法制备反应前驱体，经碳热还原合成碳化硅。
Superfine silver powder was prepared by water-hydrazine hydrate chemical reduction method.
介绍了电子浆料用超细银粉的研制，采用的是水合联氨化学还原工艺。
The project made studies on the manufacturing process of the bright nanometer Ag powder, and fixed the process route of chemical reduction-mechanical ball milling.
本项目对纳米光亮片状银粉的制备工艺进行了研究，确定了化学还原—机械球磨的工艺路线。
The results showed that reduction temperature is critical for the preparation of ultra-fine W-powder from blue tungsten oxide under appropriate technological conditions.
结果表明：还原温度是制取超细钨粉的关键因素，在适当的工艺条件下，可以使用蓝钨制得超细钨粉。
The preparation methods of ultrafine silver powder by reaction of oxidation-reduction in microemulsion were investigated.
介绍了电子浆料用超细银粉的研制，采用的是水合联氨化学还原工艺。
Objective: To observe the clinical effect of the treatment of closed fracture of tibia and fibula by the combination of closed reduction with locked intramedullary pin and Zhishang powder.
目的：探讨闭合复位交锁髓内钉并治伤散外敷治疗胫腓骨骨折的临床疗效。
Using ascorbic acid as reducing agent and gelatin as dispersant, the spherical ultra-fine silver powder was synthesized by the chemical reduction method.
采用化学还原法，以抗坏血酸为还原剂，明胶为分散剂制备了球形超细银粉。
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