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Recent progress and achievements of tungsten metallurgy in China including the exploitation of process technique in treating various resource, molybdenum separation technology from tungsten, production of high pure APT from low grade material and tungstenic scrape, process equipment and automatization degree in tungsten metallurgical plant, application of membrane technology in non pollution tungsten metallurgical process, and ultrafine powder of tungsten etc.

综述了近年来我国钨冶炼在开发处理多种资源的工艺技术、钨钼分离技术、从低品位钨矿物原料和含钨废料中生产高纯APT、钨冶炼技术装备和自动化水平、膜分离技术在开发无污染钨冶炼工艺的应用、超细钨粉等方面的最新进展和成果。

Based in Changsha, Hunan Province, the People's Republic of China, the Company offers carbides of tungsten, tungsten cobalt alloy, tungstic oxide and tungsten powder.

坐落于中国湖南省长沙市，中钨高新主要销售钨钴合金，三氧化钨和钨粉。2006年以来，中钨高新主要在四川省自贡市开展业务，截止2006年12月31日，该公司拥有了三个主要的分公司。

Based in Changsha, Hunan Province, the People's Republic of China, the Company offers carbides of tungsten, tungsten cobalt alloy, tungstic oxide and tungsten powder. During the year ended December 31, 2006, the Company operated its business mainly in Zigong, Sichuan Province.

坐落于中国湖南省长沙市，中钨高新主要销售钨钴合金，三氧化钨和钨粉。2006年以来，中钨高新主要在四川省自贡市开展业务，截止2006年12月31日，该公司拥有了三个主要的分公司。

The submicron WC powder can produce violet tungstic.

我们研制的超细WC粉末是用紫色氧化钨生产的。

U.S. Rockies: We explore for and produce natural gas, crude oil and natural gas liquids in the Denver-Julesburg, Green River, Powder River and Uinta Basins.

美国洛矶山：我们探索和生产在丹佛朱尔斯堡，青河，粉河盆地和诺尔尤因塔天然气，原油和天然气液体。

"MAIRON-P" is high purity iron powder prepared by mechanical pulverization of electrolytic iron, As unannealed, it is rich in chemical reactivities, and also excellent in solubility.

&MAIRON-P&是用机械破碎电解铁得到的高纯铁粉，未经退火，富有化学活性，具有优异的可溶性。

After annealing in nitrogen at 500 ℃ with the holding time of 30 min, the hardness of the less pure powders decrease by about 30%, while that of high purity powder under the same condition is unconspicuous.

较低纯度铁粉的压坯在500℃氮气中退火30 min，硬度迅速降低30%；而相同条件下高纯铁粉的压坯表面硬度基本不变。

The results show that with the increase in milling time,the crystal sizes of W-Cu milled powder will be finer,while the undersaturation solid solution wi.

结果表明，随着球磨时间的增加，钨铜球磨粉末晶粒尺寸得到细化，且有不饱和固溶体产生；烧结合金晶粒尺寸长大，孔洞减少，相对密度增大接近全致密。

The results show that with the increase in milling time, the crystal sizes of W-Cu milled powder will be finer, while the undersaturation solid solution will generate, the crystal sizes of sintered alloy will grow up, holes will reduce and the relative density will reduce and approach to full density.

结果表明，随着球磨时间的增加，钨铜球磨粉末晶粒尺寸得到细化，且有不饱和固溶体产生；烧结合金晶粒尺寸长大，孔洞减少，相对密度增大接近全致密。

The powder raw material and adhesive inacylinder are mixed fully at the botto m to become a humid soft material. Then it is cut through high-speed crusher and become unform granules.

粉体物料与黏合剂在圆筒容器中由底部混合浆充分混合成湿润材料，然后由侧置的高速粉碎浆切割成均匀的湿颗粒。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。