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1)  High capacitance niobium powder
高比容铌粉
2)  Ta powder with high specific capacity
高比容钽粉
3)  high capacitance tantalum powder
高比电容钽粉
4)  capacitor grade niobium powder
电容器级铌粉
1.
The properties of the capacitor grade niobium powders developed in Ningxia which can meet the requirements for manufacturing solid electrolytic capacitors were introduced.
本文分析了铌电容器开发的优点 ,以为铌电容器是很有发展前途的电解电容器且是一种新的电容器品种 ;展示了宁夏开发的电容器级铌粉的性能 ,认为研究开发的铌粉适合铌电容器的制
5)  niobium powder
铌粉
1.
Recently, tantalum powder almost were prepared by Hunter process and niobium powder for the most part by aluminothermic reduction process.
综述了铌粉和钽粉的现行生产工艺及几种新的还原方法,介绍了金属热还原反应中的电化学反应机理。
2.
High frequency infrared absorption spectroscopy was used to determine the content of carbon in tantalum powder, niobium powder and tantelum carbide.
用HCS - 14 0型高频红外碳硫分析仪测定钽粉、铌粉、碳化钽中的碳 ,进行了助熔剂、称样量、氧气流量试验 ,在不需测硫的情况下 ,采用铜和钨作助熔剂、称样量为 0 。
3.
The processes for preparation tantalum/niobium powder by reducing Ta2O5/Nb2O5 using tow steps,with gaseous magnesium,in molten CaCl2-NaCl eutectic with calcium and in molten CaCl2-KCl-NaCl eutectic with sodium were described.
在CaCl2-KCl-NaCl熔盐里金属Na还原Ta2O5、Nb2O5,反应时间短,还原温度范围广,能够得到高纯度高比表面积的钽、铌粉末。
6)  high ratio of powder to gas
高粉气比
1.
Continuous injecting with high ratio of powder to gas, will decrease nitrogen contet of molten steel, keeping it below 0.
通过保持高粉气比的连续喷粉,能使钢中氮降到0。
补充资料:铌粉
分子式:
CAS号:

性质:金属铌的粉末,在其表面生成的致密氧化膜具有单向导电的阀金属性质。这种阳极氧化膜的化学性能稳定、电阻率高、漏电流小、介电常数大。电容器用铌粉电性能比电容为3300~3600μF·V/g,漏电流值为1×10-3μA/(μF·V)。采用还原-氢化法、钠还原法等制取。用于制造电解电容器及步话机和一般工业电器设备。

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