niobite

基本解釋

The selective depression performance of four type depressants for niobite and do lomite is described.
考查4種抑制劑對(duì)鈮鉄鑛及白雲(yún)石的選擇性抑制性能。
The fine spar contains 40 % tantalum while the tantalum niobite contains 21% tantalum.
細(xì)晶石中的鉭的含量佔(zhàn)40%25，而鉭鈮鉄鑛中的鉭含量佔(zhàn)21%25。
Study on Depression about Niobite and Dolomite
鈮鉄鑛及白雲(yún)石的抑制作用研究
a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite.
一種堅(jiān)硬有光澤的灰色金屬元素，抗腐蝕性極強(qiáng)，見於鈮鉄鑛、褐釔鈮鑛和鉭鉄鑛中。
a soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium.
一種灰色金屬元素，軟質(zhì)，易延展，用於郃金中，見於鈮鉄鑛，以前稱作鈳。