columbite

英 /kə'lʌmbaɪt/ 美 /kə'lʌmbaɪt/

中文释义

n.钶铁矿

The processing mineralogy character for altered granite pattern tantalite - columbite ore and its processibility has been studied.

作者详细研究了蚀变花岗岩型钽铌矿—我国南方某钽铌矿的工艺矿物学特性,并对其可选性进行了分析.
There is high tantalite grade for certain large scale granite - pegmatite pattern tantalite - columbite mine in our country.

我国某大型花岗伟晶岩型铌钽矿含钽品位高居我国钽铌矿山之首.
The measurement indicates that the optimized performance can be achieved by three - element composite columbite precursor methods.

性能测试结果表明,三组元复合先驱体法制成样品的性能最佳.