詞語:niobite
niobite的同義詞
n. columbite
niobite的解釋
niobite['naiəbait]n. 鈮鐵礦
niobite的意思
niobite 鈮鐵礦;鈮鐵石;鈳鐵石;鈳鐵礦;mangan-niobite 錳鈳鐵礦;
niobite的參考例句
1.The fine spar contains 40 % tantalum while the tantalum niobite contains 21% tantalum. 細晶石中的鉭的含量占40%,而鉭鈮鐵礦中的鉭含量占21%。
2.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,易延展,用於合金中,見於鈮鐵礦,以前稱作''。'鈳'。''。
3.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,見於鈮鐵礦、褐釔鈮礦和鉭鐵礦中。