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- medium grain tungsten powder 中颗粒钨粉
- We use the ultra fime grain tungsten carbide material imported from GERMANY for producing the drills. 本公司的产品是采用德国进口的超微粒碳化钨钢素材,以提升钻头的切削性能。
- An ultra fine cemented carbide with tungsten powder and binder cobalt. 一种由碳化钨和粘结金属钴组成的超细颗粒硬质合金。
- coarse grain tungsten carbide powder 粗晶粒WC粉
- Those who having dinosaurian body is medium grain is in its local the muscle that showed aardwolf. 有着恐龙身躯的中粮在它的局部显出了土狼的肌肉。
- Spherical tungsten powder produced by plasma atomization technique is described. 本文尝试了用等离子喷雾技术制取球形钨粉。
- Application:Raw material for producing WO3,blue tungsten oxide,AMT and tungsten powder. 用途:是生产三氧化钨,蓝钨,AMT以及钨粉的原料。
- Microscopically the ores are medium grained to amorphous. 显微镜下,矿石为中粒至非晶质。
- In order to control impurities content in pure tungsten powder, it is important to determine trace As and Sn in pure tungsten powder. 为控制纯钨粉中杂质元素的指标,准确测定其中痕量元素砷和锡的含量十分必要。
- Microscopically the ores are medium grained to amorphous . 显微镜下,矿石为中粒至非晶质。
- In order to control impurities content in pure tungsten powder,it is important to determine trace As and Sn in pure tungsten powder. 结果表明,石墨炉原子吸收光谱法测定纯钨粉中痕量砷和锡,方法可靠,简单快速。
- The preparation of WO 3 thin films has been reported using a sol gel process together with the dip coating method, and tungsten powder being the raw material. 以金属 W粉为无机原料 ,溶胶 -凝胶技术结合浸渍镀膜方法制备出 WO3 薄膜 ,借助 SEM、可见光分光光度计、椭偏仪等仪器测量了薄膜的特性。
- The chl (a/b) value of different type cultivars (lines) showed a decreasing trend at whole growth stage,and chl (a/b) value of medium grain type cultivars was lower than those of other type cultivars. 不同类型品种 (系 )叶绿素 (a/b)值在整个生育期呈下降趋势 ,中粒型品种 (系 )的chl(a/b)均低于另外两种类型品种 (系 )。
- Cemented carbides metal: Tungsten powder, carbonize tungsten, Cobalt powder, Molybdenum powder, pure tungsten, Cobalt nickel material, tungsten copper metal, etc. 硬质合金原料:钨粉、碳化钨粉、钴粉、镍粉、钼粉、高纯钨、钨铜合金、钴镍材料及其它合金粉末;
- W-Series Products: tungsten powder, tungsten carbide powder, ammonium perchlorate, tungsten blue, yellow tungsten, tungsten acid, tungsten acid satisfied. 钨系列产品:钨粉、碳化钨粉、仲钨酸铵、蓝钨、黄钨、钨酸、钨酸纳。
- PREPARATION OF FINE GRAIN TUNGSTEN DISULPHIDE 细颗粒二硫化钨的制备
- Application:Raw material for hydrogenolysis tungsten powder,used for producing doped tungsten powder,tungsten bar,tungsten rod,tungsten wire and W-base high density alloy. 用途:氢还原钨粉原料,用于生产掺杂钨粉,钨条,钨杆,钨丝及钨基高密度合金。
- Theearly stage comprises fine grain adamellite and medium coarse grained porphyritic adamel-lite,while the late stage, it consists of medium grain adamellite with huge phenocryst. 早期由细粒二长花岗岩、含斑中粗粒二长花岗岩构成; 晚期由斑状中粗粒二长花岗岩、巨斑状中粒二长花岗岩构成。
- It shows that the rare earth elements can slow the doped tungsten powder's reductive rate and it takes more time for doped tungsten powder with rare earth to split than those without. 结果表明,在同样的还原工艺条件下,稀土元素能使掺杂钨粉的还原速率减小,分裂时间更晚,但最终的钨粉粒度更细小,可获得几百纳米的超细钨粉。