查询词典 tungsten

Tungsten –Copper alloy is the composite of Tungsten and Copper which own the excellent performances of Tungsten and Copper, such as heat-resistant, ablate-resistant, high-intensity,high-density, excellent thermal and electrical conductivity. It is easy to be machined. It is used widely in such industries as engine, electric power, electron, metallurgy, spaceflight and avigation.

钨铜材料是钨和铜的一种合金，综合了钨和铜的优点，耐高温、耐电弧烧蚀、强度高、比重大、导电、导热性好，易于切削加工，并具有发汗冷却特性，作为真空触头材料、电极材料、电子封装材料以及火箭、导弹特殊用途材料等广泛应用于机械、电力、电子、冶金、航空航天等工业。

We mainly seek for chrome ore、 ferrochrome、manganese ore、ferromanganese and iron ore, while also looking for chemical、 fine chemical industrycrude oil、 pesticides、stainless steel、the hard tungsten gold、soft tungsten gold、tungsten cobalt gold as well as other products exporters as a long-term cooperative partnership.

公司主要寻找铬矿、铬铁、锰矿、锰铁、铁矿，同时还继续寻找各类化学，精细化工、石脑油、农药、不锈钢、硬钨金、软钨金、钨钴合金。等其他产品的出口商。

Said lead tungstate crystal comprises tungsten oxide, lead monoxide, ytterbium oxide and zinc oxide; the molar ratio between tungsten oxide and lead monoxide is 1: 1, the doping amount of ytterbium oxide is 50 -300 ppm of the total weight of tungsten oxide and lead monoxide, the doping amount of zinc oxide is 50 -1050 ppm of the total weight of tungsten oxide and lead monoxide.

Yb和Zn双掺杂钨酸铅晶体由氧化钨、氧化铅、氧化镱和氧化锌制成；氧化钨与氧化铅的摩尔比为1∶1，氧化镱的掺杂量为氧化钨和氧化铅总质量的50～300ppm，氧化锌的掺杂量为氧化钨和氧化铅总质量的50～1050ppm。

Tungsten prices, the mining of tungsten have good business is well established, but no scheelite tungsten products business, the impact is negative, unless the price of tungsten products also increased accordingly.

钨精矿价格上涨，对拥有钨矿的企业利好是确定无疑的，但对没有钨矿的钨制品企业讲，影响就是负面的，除非其钨制品价格也有相应上升。

In the present study, tungsten oxide nanomaterials were synthesized by a modified plasma arc gas condensation technique. The effects of the plasma currents (70~90 A), chamber pressures (200~600 torr), production time（3~12 min）, oxygen partial pressure Ar:O2（1~6:1）and plasma including the hydrogen（0~10 %）on the preparation of tungsten oxide nanostructures were investigated. Pre-treatment on the tungsten oxide nanorods for surface modification was investigated by atmospherical plasma jet. The optical, filed emission, and gas sensing characteristics of tungsten oxide nanopowders were also examined.

本研究系利用电浆电弧气凝合成法来制备氧化钨奈米材料，分别探讨不同腔体压力（200~600 torr）、电浆电流（70~90 A）、制备时间（3~12 min）、氧分压Ar：O2（1~6：1）、电浆气含氢量（0~10 %）对於产物的形貌、相态影响，并使用常压低温电浆设备对氧化钨奈米棒进行表面处理，且针对氧化钨奈米材料的光学、场发射以及使用自行组装气体感测量测设备量测其气体感测特性。

There are also several companies in Russia for which tungsten business is not an essential activity. Here is a list of them:"Chelyabinsky electrometallurgical plant" at Ural (Ferro-tungsten and special steels),"Electric steel" in Moscow region (tungsten powder and cemented carbides), JSC "Polema" in Tula (tungsten powder, covering and bars) and JSC "Sandvik-MKTC" in Moscow (hard metal plates and cutting tools).

俄罗斯也有一些公司并不以钨初级产品为主营业务，如位于乌拉尔地区的切利尔宾斯基电冶厂（Chelyabinsky electrometallurgical plant），以钨铁和特种钢为主要产品；位于莫斯科地区的电炉炼钢公司以钨粉和硬质合金为主要产品；位于图拉地区的波勒玛公司，以钨粉、钨涂层及钨条为主要产品；位于莫斯科的山特维克-麦克提克公司（Sandvik-MKTC）以硬质合金板材和切割刀具为主要产品。

Commodities subject to export quota license are: corn, rice, wheat, cotton, wood products, live ox, live pig, live chicken, natural silk and its products, coal, coke, crude oil, finished oil, rare-earth metal, antimony oxide ore, antimony and antimony products, antimony oxide, tungsten ore, Ammonium Paratungstate, Ammonium metatungstate, Tungsten Trioxide and Blue Tungsten Oxide, Tungstic acid and salt, tungsten powder and its products, Zinc ores, Tin ores, tin and tin-base alloy, and white silver.

实行出口配额许可证管理的货物是：玉米、大米、小麦、棉花、锯材、活牛、活猪、活鸡、蚕丝类、煤炭、焦炭、原油、成品油、稀土、锑砂、锑及锑制品、氧化锑、钨砂、仲钨酸铵及偏钨酸铵、三氧化钨及蓝色氧化钨、钨酸及其盐类、钨粉及其制品、锌矿砂、锡矿砂、锡及锡基合金、白银。

According to Chapter Chongyi source Tungsten Industry Co., Ltd. to provide the latest quotation, at present in the tungsten powder particles by preganglionic 220 ~ 224 Yuan / kg had risen to 232 ~ 237 yuan / kg; tungsten carbide powder particles in the 218 by preganglionic ~ 223 yuan / kg risen by 230 ~ 235 yuan / kg; tungsten oxide particles from preganglionic 160 ~ 163 Yuan / kg risen to 173 ~ 178 yuan / kg; APT is from before the 140 ~ 143 yuan / kg now risen to 154 ~ 159 yuan / kg.

据崇义章源钨业有限公司，提供最新报价，在由节前220224元/公斤钨粉颗粒目前已上升至232237元/公斤，在218钨碳化物粉末粒子由节前223元/公斤上升了230235元/公斤，从节前氧化钨粒子160163元/公斤上升到173178元/公斤；亚太从之前的140143元/公斤上升到现在154159元/公斤。

Now has 5,000 tons of ammonium perchlorate, blue tungsten oxide, tungsten oxide yellow; 3000 tons of tungsten powder, tungsten carbide powder production capacity.

现拥有5000吨仲钨酸铵、蓝色氧化钨、黄色氧化钨；3000吨钨粉、碳化钨粉的生产能力。

By oxidation of tungsten powder at low temperature and slow speed, porous tungsten trioxide can be produced, and reduce this kind of tungsten trioxide will prepare ultrafine tungsten powder.

对于金属钨粉的氧化，低温慢速氧化可得到松散多孔状态的三氧化钨颗粒，还原此种三氧化钨可得到超细钨粉。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。