查询词典 niobite

A soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium.

一种灰色金属元素，软质，易延展，用于合金中，见于铌铁矿，以前称作钶。

A hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite.

一种坚硬有光泽的灰色金属元素，抗腐蚀性极强，见于铌铁矿、褐钇铌矿和钽铁矿中。

The effects of three collectors,benzyl arsionic acid,diphosphonic acid and C_(79) alkyl hydroximic acid,on ilmenorutile,fersmit and niobite floatation with the various pH and collector dosage are investigated.

研究三种捕收剂在不同pH和用量的条件下对纯铌铁金红石、铌钙矿和铌铁矿的捕收影响。

The effect of several representative collectors on the synthetic niobite in the condition of variable pH values and dosages were studied in the paper.

研究了几种有代表性的捕收剂在不同矿浆pH值和捕收剂用量条件下，对人工合成的铌铁矿的捕收效果。

Effect of diphosphonic acid on niobite collecting property and its action mechanism

研究三种捕收剂在不同pH和用量的条件下对纯铌铁金红石、铌钙矿和铌铁矿的捕收影响。

The selective depression performance of four type depressants for niobite and do lomite is described.

考查 4种抑制剂对铌铁矿及白云石的选择性抑制性能。

Tantalum'.'' oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of ''.

钽'。''氧化物组成的矿物，与铌铁矿共生，亦见于粗糙的花岗岩中，是一种''。

Infrared Absorption Spectrum and X-ray Photoelectron Spectrosco-py detect and analyze the adsorption mechanism of diphosphonic acid on the surface of niobite.

同时用 ias 和XPS检测和分析了双膦酸对铌铁矿的作用机理。

The fine spar contains 40 % tantalum while the tantalum niobite contains 21% tantalum.

细晶石中的钽的含量占40 %，而钽铌铁矿中的钽含量占21 %。

The wolframite, scheelite, tantalum niobite and fine spar have uneven distribution in the raw ores. Relatively, the wolframite and scheelite have coarse embedded granularity, generally 0.8 ~ 0.04 mm. The tantalum niobite and fine spar have fine embedded granularity, generally 0.2 to 0.04 mm.

原矿中黑钨矿、白钨矿、钽铌铁矿、细晶石的嵌布粒度皆为不均匀嵌布，黑钨矿与白钨矿的嵌布粒度相对较粗，一般为0.8~0.04毫米，而钽铌铁矿及细晶石的嵌布粒度则很细，一般为0.2~0.04毫米。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。