晶格氧使碳化钨的比活性略有下降。
Oxygens in the lattice lower the specific catalytic activity of tungsten carbide for these reactions.
介绍了球形铸造碳化钨先进的生产方法。
Advanced production method of spherical cast tungsten carbide is introduced.
介绍了国内外近年来的球形铸造碳化钨生产方法。
The production methods are summarily introduced for making spherical cast tungsten carbide powder.
该产品选用碳化钨材料(超硬合金)精密加工而成。
This product is made by the precision machining with the tungsten carbide materials (superhard alloy).
该产品选用碳化钨材料(超硬合金)精密加工而成。
Tungsten carbide nozzle: This product is made by the precision machining with the tungsten carbide materials (superhard alloy).
产品：稀有金属钨粉，碳化钨，超硬质钨钢（硬质合金）
Products: Tungsten Powder , Tungsten Carbide Powder, Cemented Carbide Alloy.
该磨床专门用于磨削无扭转精轧机生产线的碳化钨辊环上磨削。
This machine is specialized in grinding the Tungsten Carbide rolls of no twist finishing block.
本文通过离心铸造法研究了球铁基表面复合碳化钨粒子的轧辊。
This paper reports the study of the ductile iron roller recombined with tungsten carbide particles on the surface by using centrifugal casting.
改变炭气凝胶与碳化钨的比例，可控制气凝胶的空间孔径范围。
The spatial aperture range of aerogel can be controlled by changing the ratio of the carbon aerogel to the tungsten carbide.
本文论述活性碳化钨（WC）在酸性电解液中的电化学阳极行为。
This paper deals with the anodic behaviour of the embedded electrode of active tungsten carbide (WC) in acidic electrolytes.
而两个封闭面的材质是由碳化钨所制成，保证长期运转而抗磨损。
The material for the two sealing faces is made out of Tungsten Carbide to guarantee long-time operation and anti-wear-out.
本机锤片采用碳化钨热处理，坚固耐用，减少了更换锤片的次数。
V. the hammer of the machine is made of tungsten carbonate treatment, which is firm and durable and has reduced the frequency of replacing hammer.
介绍了用热的浓硫酸处理废硬质合金，回收金属钴和碳化钨的方法。
This article reports on a method of retrieving cobalt metal and tungsten carbide from hard alloy scrap by the sulphate method.
碳化钨和钴粉末的混合物被挤压成所需形状后进行烧结。后进行烧结。
Thee mixture of tungsten carbide and cobalt powder is pressed into the required shape and then sintered.
采用护轴结构，滑动轴承采用碳化硅陶瓷、石墨、碳化钨等耐磨材料。
Protection-shaft configuration is adopted. Sliding bearings are made of wear-resistant materials such as silicon carbide ceramic, graphite, tungsten carbide.
提出了一种改进榨辊齿形并在齿顶弧面上堆焊碳化钨的方法及其加工工艺。
A method to improve the tooth shape of mill roller and adopt the built - up-welding with tungsten carbide on the curved surface of tooth apex has been introduced.
专业制造各式套筒模具、螺帽模具、特殊模具、紧固件模具和碳化钨模具。
Besides, we also produce various kinds of sleeve moulds, nut moulds, special moulds, fastener moulds and carbonized tungsten moulds.
在碳化钨硬质合金修整器塑形后，使用此抛光器可以马上获得明亮的磨光效果。
After previous contouring with tungsten carbide finishers the polishers can achieve brilliant high shine in a single step.
试验研究了碳化钨耐磨药芯焊丝电弧堆焊工艺方法对堆焊层性能和组织的影响。
The influence of arc surfacing method on the property and structure of the surfacing layers were studied.
导致堆焊层性能变化的主要原因是工艺因素引起了堆焊层组织及碳化钨形态的变化。
The reason for variations in overlays' property primarily is that the change of technological factors leads to changes of overlays' structure and tungsten carbide's state.
钴熔化并粘结碳化钨颗粒从而形成密集的、无孔的结构。形成密集的、无孔的结构。
The cobalt melts and binds the tungsten carbide grains into a dense, nonporous structure.
研究了在镍钴合金镀液中加入碳化钨微粒形成镍-钴-碳化钨复合镀层的共沉积过程。
Composite electrodeposits of nickel-cobalt-tungsten carbide were prepared by adding tungsten carbide particles in the nickel-cobalt alloy solution.
内部件由一种硬的导热材料制成，这种材料最好是诸如钴基体碳化钨的金属基体碳化物。
The inner member is formed of a hard, thermally conductive material, preferably a carbide in a metal matrix, such as tungsten carbide in cobalt.
通过场激活加压燃烧合成技术，采用不同钨碳摩尔比例的反应体系，来致密化碳化钨材料。
The field-activated pressure-assisted combustion synthesis (FAPACS) process was utilized to produce and densify tungsten carbides material from tungsten and carbon powders with different mole ratios.
停机操作前采用碳化钨还原技术及减缓钨丝冷却速度，可将钨丝的寿命提高3 ~5倍。
The tungsten life span is improved 3 to 5 times by reduction of tungsten carbide and decreasing filament cooling rate before switching off the tungsten filament power.
本文介绍了炼油厂机泵常用碳化钨动环过盈配合机械密封合理过盈值的计算方法及计算图表。
This article presents a method and monograms for calculating the rational interference values for fitting the tungsten carbide floating rings in mechanical seals.
在钢齿牙轮钻头强化材料中，详细地分析了铸造碳化钨堆焊层产生龟裂、脱落和断齿的原因。
Detailed analysis is made of the reasons why fissures, peeling-off, and tooth breaking exist in the build-up welding layer of cast WC for hardening material of steel-toothed gear drills.
发现钨和碳化钨粉形状复杂，多为树枝状或链状颗粒团形式，碳化钨粉中有较多的晶体缺陷。
It indicates that the shape of W and WC grains is varied, such as dendritic and chain structure, and there are many crystal defects in WC grains.
本发明的方法操作方便，原料廉价，以廉价的水为聚合反应介质，使碳材料和碳化钨原位复合。
The method has simple operation and cheap raw materials and USES cheap water as a polymerization medium to composite carbon materials and the tungsten carbide in situ.
采用该技术生产的碳化钨产品符合俄罗斯的技术标准要求，可用于钻探工具和硬质合金的生产。
The tungsten carbide produced satisfied the requirements of Russian technical standard and can be used for manufacturing drilling instruments and hard metals...
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