In this paper, based on leaching process behaviors of platinum-group metals (PGMs) the lately progress in pressure hydrometallurgy of Cu-Ni sulfide ores containing PGMs was presented.
本文以加压湿法冶金处理含铂族铜镍硫化矿过程中铂族金属的行为为主线,介绍了该领域的最新研究进展。
The modeling and identification of anisotropic damping property of Ni based single crystal alloys are presented.
研究耐高温镍基合金各向异性阻尼特性的建模与识别。
Influences of laser ellipticity on the ionization parameters of Ni-like Kr (NLK) system based on electron collisional scheme of optical-field ionization (OFI) were investigated.
研究了激光椭偏率对基于光场感生电离(OFI)电子碰撞机制类镍氪(NLK)系统电离参数的影响。
A method to prepare one dimensional nanoscale composite based on coating of carbon nanotube with Ni by electroless plating is proposed.
利用化学镀方法在纳米级碳管表面化学镀镍,得到新一类一维纳米复合材料。
As the opaque thickness increased, the color of restoration based on Ni-Cr and noble metal increased but the color of restoration based on gold sediment decreased.
随遮色瓷厚度的增加,以镍铬合金与贵金属合金为基底的修复体彩度增加,金沉积为基底的修复体彩度略有下降。
A new kind of boron nitride based shell mold used for investment casting titanium alloys was fabricated and the reaction between it and Ti-Ni alloy was investigated.
研究了一种新型钛合金精密铸造用型壳——氮化硼基复合型壳及其与钛镍合金的界面反应和反应层的形成机制。
The Ni based coating on 45 steel has been obtained by laser cladding technology.
采用激光熔覆技术在45钢表面获得镍基合金涂层。
The Ni based alloy powder surfacing layer was obtained by light beam surfacing on the 45 steel and the microstructure of heat affected zone(HAZ) and the phase of the surfacing layer were studied.
采用聚焦光束热源在45钢母材上获得了镍基合金粉末堆焊层,研究了堆焊层的物相组成及母材热影响区的微观组织特征。
Differences in catalytic activity and ability to resist coking between noble metal based catalyst and Ni based catalyst are described.
介绍了贵金属催化剂与镍基催化剂在重整活性和抗积炭能力方面的差异。
Surface grain refinement of turbine blades in Ni based superalloy K18 were studied by comparison of experimental results in different alloys and mold surface materials.
选用K 18合金和纯金属镍及不同的面层细化料,通过实验对比研究了镍基高温合金叶片表面晶粒细化机理。
Low infrared emissivity materials based on hollow particles are prepared by chemical Ni-coated processing, and surface morphology, absorbance, emissivity and infrared radiant energy are characterized.
利用化学镀镍工艺制备空心微珠基红外低发射率材料,对其表面形貌,并重点对其吸收率、发射率和热辐射能等红外性能进行表征。
This paper introduces an advanced model of coherent precipitation kinetic as well as the development of computer simulation for the microstructure evolution of Ni-based alloys.
介绍了一种先进的共格沉淀动力学模型,以及运用计算机对镍基合金共格沉淀过程组织演化模拟取得的进展。
The method was developed for the matrix determination and the component analysis by the character line in Ni-based alloy based on digital simulation.
在镍基合金可见光谱计算机模拟基础上,研究利用镍元素及成分元素特征谱线进行基体鉴别和成分元素分析的方法。
Based on correlative references, catalytic oxidation and reformation of methane, carbon dioxide, and oxygen to synthesis gas by Ni-based catalysts was studied in this paper.
本论文在参考相关文献的基础上,对甲烷、氧气和二氧化碳催化氧化重整制合成气镍基催化剂进行了研究。
In this paper, high active Ni-based catalysts for methane decomposition were designed and prepared according to the growth mechanism of carbon filaments.
本文根据甲烷裂解过程中碳纤维的生长机理,设计并制备了具有高活性的纳米镍基催化剂。
A series of Ni-based catalysts with different supports were prepared by impregnation method and tested in the hydroxylation of benzene to phenol.
本文利用浸渍法制备了一系列不同载体的镍基催化剂,并将其用于苯的羟基化反应。
Based on Zinc and Zn-Al alloy mechanical plating, a new Zn-Ni alloy mechanical plating process is developed through adjusting type and dosage of activators and promoters.
在机械镀锌、锌铝工艺的基础上,通过调整活化剂和促进剂的种类及用量,研制开发了机械镀锌镍合金工艺。
This paper is about the effect of introducing longitudinal magnetic field on plasma overlaying of Fe-based and Ni-based welding alloy.
本课题就是在铁基和镍基的等离子弧堆焊过程中引入纵向直流磁场,利用磁场的作用提高堆焊层的性能。
The effects of alloy elements (Zn, Ni) on the properties of copper-based brake materials were investigated.
通过对比研究了合金元素锌和镍对铜基粉末冶金刹车材料性能的影响规律。
The microstructure and wear resistance of Ni based alloy coating on the high temperature alloy GH33 by laser melt casting have been studied.
研究了高温合金GH33表面激光熔铸镍基合金涂层的组织和耐磨性能。
The relationship between annealing cracks and heating temperatures of Ni-based alloy cold-formed billets and the causes of annealing crack occurrence are studied.
研究了镍基合金冷变形管坯退火裂纹与加热温度的关系和退火裂纹产生的原因。
From Gi-Ni coefficient based on per capita GDP of island counties and Lorenz curve, it also can be seen the differences are becoming smaller apparently.
根据海岛县人均GDP计算的基尼系数和绘制的洛伦斯曲线图,可以看出海岛县经济差异在缩小。
Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply.
以往经常用自备柴油发电机组、蓄电池、干电池和镍镉电池应急灯作为应急备用电源。
Based on the action of ultrasonic-electrodepositing, the technique of preparating nanocermet(Ni-SiC) composite layer on the surface of metal substrates was studied.
基于超声电沉积复合作用,研究在金属表面获得纳米金属陶瓷复合镀层的基本工艺。
The effect on improving the properties of Ni-base alloy was studied in this paper based on variation in adding amount of rare-earth metals.
本文试验研究了钇基稀土用于改善铸造镍基耐蚀合金性能的效果。
The Ni-based transition alloy had a function of dispersion strengthening, and ahvanced the toughness, reduced the trend of cracking.
镍基过渡合金既起到弥散强化作用,又能提高其韧性,减少裂纹产生。
In this paper, the influence of surfacing technology and material on the quality of light beam Ni based alloy powder surfacing layer was investigated.
研究了堆焊工艺和材料对镍基合金光束粉末堆焊质量的影响规律。
The effects and mechanisms of phosphorus on Fe Ni based wrought superalloys are reviewed.
综述了磷对铁镍基变形合金的影响及机理。
The electroless Ni plating on Fe-based powder metallurgy articles was continuously carried out with pretreatments of pore sealing by immersing in zinc stearate in vacuum and ultrasonic cleaning.
采用真空硬脂酸锌浸渍封孔及超声波清洗前处理,对铁基粉末冶金件连续化学镀镍。
Electrical power source based on radionuclide Ni-63 for micro-electro-mechanical systems with operation time in excess of 50 years.
针对运营时间超过50年的微型电子机械系统的基于物理放射性核种Ni- 63的电源。
应用推荐