niobite

常見例句

• The selective depression performance of four type depressants for niobite and do lomite is described.
  考查4種抑制劑對鈮鉄鑛及白雲(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40%25，而鉭鈮鉄鑛中的鉭含量佔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.
  一種堅硬有光澤的灰色金屬元素，抗腐蝕性極強，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。
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