查询词典 tungsten

The Teflon cones used for reentry aerophysics property research are made by sheath structure, the ballast core is made from tungsten and hard aluminum. Two structures and two materials are used for the design of sabot of Teflon cone.

对用于再入物理特性研究的泰氟隆锥模型，采用了钨、铝作芯体配重的鞘套结构，而弹托采用了四瓣不封底和八瓣全包覆两种结构并选用了聚碳酸酯和超韧尼龙两种材料。

The effect of post-sintering heat treatment on the mechanical properties of a liquid phase sintered tungsten-base ahoy (95W-3.SNi-1.5Fe) has been investigated.

研究了液相烧结钨基高比重合金(95W-3.5Nj-1.5Fe)烧结后热处理对力学性能的影响。

For example, using chiral tungsten 2'-pyridinyl alcoholate complex at 50 ℃, the ee value was increased from 54% to 78%.

在磷霉素的不对称合成研究方面只有Giordano等[4]是以顺丙烯膦酸为起始原料进行的。

In this paper, chiral molybdenum or tungsten 2'-pyridinyl alcoholate complex catalyzed asymmetric epoxidation of cis-1-propenylphosphonic acid in H2O was reported.

目前磷霉素的生产是通过以Na2WO4为催化剂、在乙醇中以30%的H2O2将顺丙烯膦酸环氧化得到消旋产物，再利用α-苯乙胺进行拆分而得到[2，3]。

The blank reference experiment shows that hydrothermal crystallization treatment favors the formation of hexagonal tungsten trioxide, and the tungsten trioxide powder sample prepared by this method has a high degree of crystallinity.

水热晶化处理的空白对比实验表明，水热晶化处理有利于介稳态六方WO3的形成，晶粒发育更完整，结晶程度更高。

Tungsten powder and H2O2 are used as main starting materials to prepare nano structure d tungsten trioxide films with Pd catalyst by sol-gel technique and spin coating method.

以钨粉和双氧水为原料，采用溶胶-凝胶技术结合提拉镀膜法，制备了纳米结构掺钯气致变色WO3薄膜；分析了薄膜的折射率、厚度、结晶度、红外特性和表面形貌随温度变化特性；研究了薄膜的气致变色性能。

Tungsten trioxide; oxidation-reduction method; ultrafine tungsten powder; hydrogen reduction; reduction kinetics

工程科技II，工业通用技术及设备，工业通用技术与设备三氧化钨；超细钨粉；氧化-还原法；氢还原；动力学

The company Main products: tungsten powder, tungsten carbide powder, cobalt powder; Carbide Rods, rotary burrs, rough milling cutter blade, pipes, plates and other special-shaped products; high-density alloy products; Carbide Milling Welding, T-shaped slot milling cutter, reamer, broach, drill, composite cutting tools, etc.; overall carbide saw blade milling cutter, end mill, slot milling, ball milling, cutting tobacco cutter, reamer, drill, scheduled to handle drilling, etc.; folder, mold, measuring, etc.; Company carbide spiral blades and ultra-fine carbide crystals of high-speed milling product line to fill the gaps in the province, the product is widely used in textile, steel, chemical, mining, machining and electronics industries, and become a Canton Panasonic, Wanbao, FAW, Sanyo, HA 1 workers, the volume of HA, Shanggong and domestic well-known military enterprises and many other brand-name manufacturers to suppliers, the company also self-employed or commission Products agents sold Europe and the United States, Japan, Southeast Asia, Taiwan, Hong Kong and other countries and regions, are users.

公司主要产品：钨粉、碳化钨粉、钴粉；硬质合金圆棒、旋转锉、锯片铣刀毛坯、管、板材及其它异形制品；高密度合金制品；硬质合金焊接铣刀、T形槽铣刀、铰刀、拉刀、麻花钻、复合刀具等；整体硬质合金锯片铣刀、立铣刀、槽铣刀、球铣刀、切烟刀、铰刀、麻花钻、定柄钻等；夹、模、量具等；公司硬质合金螺旋刀片及超细晶体硬质合金高速铣刀产品系列填补了省内空白，产品被广泛应用于轻纺、钢铁、化工、矿山开采、机械加工、电子等行业，并成为广州松下、万宝、一汽、三洋、哈一工、哈量、上工及国内知名军工企业等众多名牌厂家的供应商，公司产品还自营或委托代理商远销欧美、日本、东南亚、台湾、香港等国家和地区，均得到用户的好评。

Paper products are the main blade razor blades, the paper knife, the paper single-pole/double-throw and grinding wheel, slot machines, knives, razor blades veneer Paper, Paper three blades, rotating Paper knife, cross-cutting knives, cylindrical toilet paper cutter, cut - Knife from top to bottom, leather knife from top to bottom, leather Caidao, cutting knife, cut circle engraved blade, cut the knife blade Bowl I. paper, die-cutting knife, slice lamb knife, knife slicing vegetables, ham Bo Cutter, Disc Rolling scissors, Slitting points of the knife, cutting blade, bearing knives, knife lap, multi-bladed knife circle, butterfly knives, Dan Mianwa spent knife, knife cut copper foil, aluminum foil cutter, cutting board, knives, PP cutting knives, cutting-foot blade, cutting plate machine blades, steel rolling blade, cut steel knife, Scrap broken knife, smash the plastic knives, Qieli knives, Qieli hob, alloy Qieli hob, rubber blade, at the end of Closure knife, bag of knives, even a blade Vol bags, plywood blade, carpentry Paodao, slicing machines, knives, razor blades Chongjian plane, flying scissors film, Blade, Blade coating, Bodao series, thin tungsten steel blade, tungsten steel round Blade, super-hard alloy Cai Zhidao, woven bags cutting blade, Juan Bidao films, tire cutting blade, feed blade, clipart blade, the blade three holes, Xiumei Dao films, chemical fiber blades, Qiebu knife, knife tooth, cloth-like CD Cutter, non-standard blade can be customized.

主要刀片产品有切纸刀片，分纸刀，分纸单刀及砂轮，开槽机刀，单板切纸刀片，三面切纸刀片，旋转切纸刀，横切刀，圆筒卫生纸切刀，分切上下刀，皮革上下刀，皮革裁刀，切光刀，切刻圆刀片，切管刀，碗刀片，导纸片，模切刀，羊肉切片刀，蔬菜切片刀，火腿薄切刀，圆盘滚剪刀，纵剪分条刀，切条刀片，轴承刀，光刀圈，多刃刀圈，蝶形刀，石棉瓦花刀，铜箔裁切刀，铝箔切刀，线路板裁切刀，PP裁切刀，切脚机刀片，剪板机刀片，轧钢刀片，钢筋剪断刀，废钢破碎刀，塑料粉碎刀，切粒刀，切粒滚刀，合金切粒滚刀，橡胶刀片，底封刀，制袋机刀，连卷袋刀片，胶合板刀片，木工刨刀，切片机刀，冲剪机刀片，飞剪刀片，刮刀，涂布刮刀，薄刀系列，钨钢薄刀片，钨钢圆刀片，超硬合金裁纸刀，切编织袋刀片，卷笔刀片，轮胎修剪刀片，饲料刀片，美工刀片，三孔刀片，修眉刀片，化纤刀片，切布刀，齿形刀，样布裁切刀等，非标刀片可定制。

Metal mineral deposits are mainly gold, silver, copper, iron, lead, zinc, manganese, tungsten, chromium and so on, which is located in Tartu County Ditch Subei tungsten ore reserves in Asia first, large Gonchigdorj chrome ore reserves ranking third , the volume of gold mining were the first home in Gansu Province.

金属矿藏主要有金、银、铜、铁、铅、锌、锰、钨、铬等，其中位于肃北县塔尔沟的钨矿储量居亚洲第一，大道尔吉铬矿储量居全国第三，黄金开采量居甘肃省首们。

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。