查询词典 tungsten

The Yaogangxian tungsten deposit of Hunan province is located in the central part of the Nanling EW-direction tectonic belt, interjunction of Caledonian uplift zone and Indosinian-Yanshanian hollow zone.

湖南瑶岗仙钨矿床位于南岭东西构造带中部，加里东隆起带与印支－燕山凹陷带的交汇部位。

AC Compared to pure tungsten, the addition of 1.5% lanthana increases the maximum carrying capacity by approximately 50% for a given size electrode.

空调相比，纯钨、镧添加1.5%的增幅最大载重量约50%为某一大小电极。

At present cable industry leading products are Lasi Ta round of the types of tungsten carbide, steel ring, ceramics La Sita round, guided round of spraying line extension and porcelain kettle spray WC.

目前主导产品是线缆行业的各类碳化钨拉丝塔轮、钢圈、陶瓷拉丝塔轮，导轮喷瓷及伸线釜喷碳化钨。

Tungsten ; tin ; rare metal ; discovery history ; Guangxi ; Gongchengcounty ; Limu

钨锡；钝钽；碱性花岗岩型矿床；发现；恭战栗木

The carbon/carbon throat and copper sintered tungsten nozzle were wound in the middle of longtail nozzle insulation .

整体成型的长尾管通过复合缠绕方式将碳/碳喉衬与钨渗铜喷管组件黏结包裹在尾管绝热层内部。

Tungsten and its alloy are very good materials in engineering,but their machinability is worse.

钨及其合金是非常好的工程材料熏但其切削加工性差。

The resection electrode types include: a hand-crafted, temperature-resistant tungsten wire-cutting loop; a coagulating perforated resector that provides a 40% greater coagulation zone than standard cutting loops and performs cutting and coagulation simultaneously during tissue resection; a dimpled vaporization roller that offers a smoother area of vaporization than a grooved roller while providing deep-tissue coagulation; a roller ball and roller barrel, which are used for coagulation and ablation of soft tissue in the bladder and prostate (the roller ball may also be used for endometrial ablation in the uterus); and a Collings knife that allows urologists access to all areas of the prostate and is most commonly used for ureteral meatotomy and transurethral incision of the prostate.

切除电极包括：手动操作、耐受高温、钨丝切除线圈；凝固穿孔前列腺切除器，比标准切除线圈的凝固面积大出40%，能够在组织切除过程中同时进行切除和凝固；一种漩涡汽化转子，比槽式转子提供更加平滑的汽化区域，同时产生深部组织凝固；一个转子球和转子滚筒，用于膀胱和前列腺软组织的凝固和汽化(转子球还可以用于子宫内膜的消融)；一个Collings刀能够帮助泌尿科医生进入前列腺的所有区域，通常用于输尿管切除术和经尿道前列腺切开。

This invention provides a method for preparing hydrogenation catalyst containing phosphorus supported by aluminum oxide. The catalyst is composed of nickel oxide 1-10 wt.%, molybdena oxide and tungsten oxide 10-50 wt.

以氧化铝为载体的含磷加氢催化剂及其制备，该催化剂焙烧后的组成为氧化镍1-10重量％，氧化钼和氧化钨之和大于10至50重量％，氧化磷1-9重量％，余量为氧化铝，其中，以氧化物计，钨和钼的摩尔比大于2.6至30。

Additionally, plants hyperaccumulating heavy metals were found in four state tungsten mines, such as Phytolacca acinosa, Vitex negundo and Solanum nigrum.

另外，在钨矿尾砂库区，发现了商陆、龙葵和蜈蚣草等重金属的超积累植物。

Metallographic examination displayed fine niddle shape grains in laser welds and large grains in pulsed tungsten argon welds which became finer after heat treatment.

金相观察激光焊接区为细小的针状马氏体结构脉冲氩弧焊接区为粗大的颗粒热处理后晶粒较为细小。

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。