查询词典 powder metallurgy

Factories Several existing powder metallurgy engineer (the original 901 engineers) by reducing domestic advanced horizontal furnace production line.

工厂现有数名粉末冶金工程师(原九0一工程师)采用国内先进的卧式还原炉生产线。

The stability of sliding contact of metal impregnation carbonmaterial is worse than that of copper-base powder metallurgy material.

4浸金属碳材料的减摩性不如铜基粉末冶金材料的，其摩擦系数比铜基粉末冶金材料的摩擦系数大，其值分别大了14.4％—150％；同时，浸金属碳材料的摩擦稳定性也不如铜基粉末冶金材料的。

ZHOU Zhangjian（Laboratory of Special Ceramics and Powder Metallurgy, USTBeijing, Beijing, 100083, China）Abstract:On the basis of analysisof developing background and theory of thermoelectric graded materials, p-type (Bi1-0.85Sb0.85)2Te3and PbTe two segments thermoelectrical graded materials with different barriers werefabricated by conventional hot-pressing process.

具有不同扩散势垒的p型(Bi1-0.85Sb0.85)2Te3和PbTe二元梯度热电材料的研制徐桂英葛昌纯高艳平周张健摘要：在分析了热电材料的发展背景和研究理论的基础上，采用热压法制备出单体和双层具有不同扩散势垒的(Bi1-0.85Sb0.85)2Te3与PbTe体系二元梯度热电材料。

Description of project: PCC is produced by carbonation, with limestone as raw material. It is mainly used as filler in the manufacturing procedure of rubber, plastics, paper and paints, inks and other industrial produces. Meanwhile, it could be applied to the production of daily chemical products such as tooth powder, toothpaste cosmetics, as well as the organic synthesis, metallurgy, glass, asbestos and ect.

项目概述：轻质碳酸钙是以石灰石为原料，用碳化法制得，主要用于橡胶、塑料、造纸和涂料、油墨等工业中作填充剂，并可用于牙粉、牙膏、化妆品等日用化工制品中，还可以用于有机合成、冶金、玻璃和石棉生产中。

Its products are suitable for many industries such as pottery and porc elain ware for toilet sanitary ceramics, household china pottery and porcelain for daily use, glass-ceramic, powder metallurgy, rare earth chemical, magnetic material honeycomb ceramics, electric porcelain bridge and tile as well as structural ceramics.

业务涉及建筑卫生陶瓷、日用陶瓷、微晶玻璃、粉末冶金、稀土化工、新型建材、电瓷、技术结构陶瓷等多个行业。

It is very detrimental to materials performance. From the viewpoint of the effects of PPB precipitation on the frature of hipped P/M Rene'95, the surface segregation and reaction in Rene'95 powder metallurgy superalloy were analyzed by modern surface techniques and by electron microscopy. The mechanisms of the formation and reduction of PPB precipitation are revealed.

本文从原始颗粒边界析出对热等静压压坯断裂的作用的角度出发，利用现代表面分析技术及电子显微分析技术研究了Rene′95雾化粉末表面的偏析、预处理粉末的表面反应和表面析出相的粗化规律以及热等静压压坯的界面反应和原始颗粒边界析出相，揭示了原始颗粒边界析出的形成机理和预处理方法改善原始颗粒边界析出的原因。

In the thesis, By using x-ray diffraction, energy spectrum analysis, metallographical analysis and scanning electron microscopy and opitimzing technology, the effects of the element Ga was researched and discussed in the magnetic performance and microstructure of Sintered Nd15Fe78B7+Ga permanent magnets made by powder metallurgy.

本文采用粉末冶金方法，通过x射线衍射、能谱分析、金相分析和电子扫描等一系列的检测与分析方法，优化工艺，研究并讨论了添加Ga元素对烧结Nd_(15)Fe_(78)B_7系永磁体磁性能和微观结构的影响。

In this paper, the conductive Barium metaplumbate (BaPbO3) doped with various contents of rare earth was prepared by powder metallurgy method using mechanical milling and liquid-state co-precipitation method.

本研究分别采用机械合金化法和化学液相共沉淀法，以粉末冶金为路线的方法，制备了添加不同稀土含量的BaPbO_3导电陶瓷材料。

The special tribo-electdc tester with high sliding speed and electric current was developed,which mail working parameters are, current density up to 2.5 A/mm~2, the sliding speed 100 m/s,the load over 500 N (3.2 MPa) and the pulsant strike pressure within 20 N. This testersuccessfully simulates the tribological and electric properties of strip materials. 2, By using the above tester, study on tdbological properties and carrying currentperformances of copper-base powder metallurgy material and metal impregnation carbonmaterial are carded out.

本论文开展的主要研究内容和所取得的成果如下： 1、首次开发了大电流、高速度和重载荷的载流摩擦磨损专用试验机，能够稳定提供恒定交流电流密度2.5 A／mm~2，相对滑动速度100 m／s(12000 r／min)，载荷可达500 N(3.2MPa)，脉动冲击载荷可达20 N，为研究提速接触网和滑板的高速载流摩擦学特性及其机理，以及开发新型高耐磨性、高载流性能滑板材料提供了先进可靠的试验手段(该机已获得一项实用新型专利，ZL 2006 2 0096036.5)。

The sheeted iron-based catalyst was made by powder metallurgy using pure form metallic powders as stuff.

以单质金属粉为原料，采用粉末冶金方法制备了片状铁基触媒，并借鉴目前金刚石工业中最为常用的粉末触媒组装方式及合成工艺在高温高压下进行了金刚石合成试验。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48