1) tantalum-niobium resource
钽铌资源
1.
In the article the characteristics,demand-supply condition and tendency of tantalum-niobium resource in China was analyzed,and the benefits,main developing methods,risks at different developing times during enterprises’participating and developing the tantalum-niobium resource abroad were discussed.
介绍了国外钽铌原料供应种类和特征,分析了我国钽铌资源的特点及近几年来供需状况,评述了我国企业积极开发境外钽铌资源的意义、方式及风险。
2) tantalum resources
钽资源
1.
It is described of the reserves, characteristics and current situation of supply and demand of China tantalum resources.
介绍了中国钽资源的储量、特征、供求态势 ,结合世界钽资源的勘探、开发现状 ,提出了中国钽行业实施“走出去”的资源开发战略的必要性及其具体方式与建
3) Geyuan Nb-Ta ore deposit
葛源铌钽矿床
1.
Minesight software is used to set up geological model of Geyuan Nb-Ta ore deposit.
根据矿床成矿规律,应用Minesight软件建立葛源铌钽矿床地质模型,以花岗岩实体限制克立格估值范围,用不同边界品位动态圈定矿体,动态估算矿床资源储量,所得结果精度很高,并且最大限度地满足了市场经济的需要。
4) tantalum-niobium
钽铌
1.
Technology survey and development tendency investigation on tantalum-niobium hydrometallurgical extraction;
钽铌湿法冶金技术概况及发展趋势探讨
2.
The paper suggests that it is of great importance and necessity for the development and operation of tantalum-niobium resources enterprises to develop non-metal mineral product market,according to the particularity of tantalum-niobium resources and their fluctuating market.
针对钽铌资源的特殊性及市场经济条件下的起落不定,提出了拓展非矿产品市场在钽铌资源企业开发和经营理念中的异常重要性和必要性。
3.
Current situation including advantages and disadvantages of tantalum-niobium industry in china,and the influence of china's entry in to WTO on domestic tantalum-nibium industry are analyzed.
通过对我国钽铌工业现状及参与国际竞争的优势分析,加入WTO对于我国钽铌工业的主要影响,提出了我国钽铌工业的发展对策,旨在促成我国钽铌工业在激烈的国际竞争中得到长远发展。
5) tantalum and niobium
钽铌
1.
The enrichment and recovery of tantalum and niobium through acid leaching and sodium alkali fusing from tungsten residue is studied.
研究了用酸浸与钠碱熔融法从钨渣中富集和回收钽铌。
6) niobium-tantalum
铌钽
1.
The niobium-tantalum and rare-earths ore deposits in China and their occurred minerals are described.
该文对我国铌钽稀土矿床及其产出的矿物进行了论述。
2.
The geochemistry of Niobium-Tantalum and Rare-Earths elements and crystal chemistry of their minerals are briefly described.
文章简述了铌钽稀土元素地球化学和矿物晶体化学,谈及中国产出的铌钽稀土矿物种类,论述了成矿地质时代和矿床成因类型,并对我国利用这类矿物的特色和可持续发展作出建议。
补充资料：铌钽铁铀矿
分子式：U4+Fe2+(Nb,Ta)2O8
CAS号：
性质：一种含铀和铌、钽的复杂氧化物。三方晶系。呈板状晶体。具放射性。硬度约5。相对密度约7。不透明。黑色。主要产于伟晶岩中，和钛铁矿、独居石等共生。可提炼稀土等。
CAS号：
性质：一种含铀和铌、钽的复杂氧化物。三方晶系。呈板状晶体。具放射性。硬度约5。相对密度约7。不透明。黑色。主要产于伟晶岩中，和钛铁矿、独居石等共生。可提炼稀土等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条