vanadium

XPS analysis shows that the vanadium on the surface can be stabilized mainly in the state of V(IV).

通过XPS分析，证实钒元素主要以V（IV）价态存在于催化剂的表面。

For stainless steel, high speed steel, vanadium steel, high hardness, toughness and deformation, easy to burn the workpiece grinding.

适用于不锈钢，高钒钢速钢等硬度高，韧性大及易变形，易烧伤工件的磨削加工。

The proven vanadium-titanium magnetite up to 10 billion tons of reserves, the country is one of the four major iron ore.

已探明的钒钛磁铁矿储量达一百亿吨，是全国四大铁矿之一。

It is possible that numerous organic complexes of vanadium are used in treatment for they are more effective and less toxic.

目前合成出的有机钒化合物毒性小，作用强，使得钒应用于临床成为可能。

The invention provides an additive and a method for extracting vanadium by roasting stone coal ores, and a preparation method thereof.

本发明提供了一种用于石煤矿焙烧提钒的添加剂、制备方法及石煤矿焙烧提钒的方法。

High-quality chrome vanadium steel 50BV30 forged, is mainly used for removal of broken screws.

优质铬钒钢50BV30锻造，主要用于取出断裂的螺丝。

The white phases within the primary vanadium carbide particles are the oxides and sulfides of these active elements such as Mg, K.

稀土硅镁铁合金变质处理后，初生碳化钒颗粒内的白色异质晶核为镁、钾等活性元素的氧化物和硫化物。

The experimental results show that the vanadium-substituted P-Mo-V quaternary ammonium salts showed excellent catalytic oxidation capacity.

实验结果表明，钒取代的磷钼钒杂多季铵盐显示出优秀的催化氧化能力。

The toxicity of vanadium depends on its total content, oxidation states and existence speciation.

钒的毒性大小取决于钒的总量、钒的赋存价态和赋存形态。

The rolls are made of chilled cast iron of vanadium and titanium alloy with hard and anti-wear surface.

辊筒材料采用钒钛合金冷硬铸铁，表面坚硬耐磨；

Liquid petroleum products - Determination of nickel and vanadium content - Atomic absorption spectrometric method.

液体石油产品.镍和钒含量的测定.原子吸收光谱法

The polysaccharide derivative and vanadium complex is applied to medicines for treating diabetes mellitus.

该多糖衍生物的钒络合物应用在治疗糖尿病药物中。

The invention relates to a method of producing metallized pellet by deoxidizing a vanadium titanium magnetite via a non-tank tunnel kiln.

本发明涉及一种用无罐隧道窑还原钒钛磁铁矿生产金属化球团的方法。

Chemical analysis of steel and cast iron. Determination of vanadium content. Molecular absorption spectrophotometric method.

钢和生铁的化学分析.钒的测定.分子吸收分光光度法

The invention belongs to the metallurgy field and in particular relates to a method for smelting high vanadium ferrovanadium.

本发明属于冶金领域，具体涉及高钒铁的冶炼方法。

Due to the effects of vanadium-titanium, vanadium-titanium vermicular cast iron has superior combination property.

由于合金元素钒钛的作用，钒钛蠕墨铸铁拥有更加优异的综合性能。

CHEMICAL ANALYSIS OF ALUMINIUM. SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM.

铝的化学分析.钒的分光光度测定

The kinetics of leaching vanadium from vanadium titanium magnetite tailings was also investigated.

本文对钒钛磁铁矿尾矿中钒的浸出过程动力学进行了研究。

Objective: To explore the determination of elements V remnants in the visceral organs of the diabetic rats treated with vanadium compound.

目的：糖尿病大鼠经钒化合物治疗后，大鼠内脏各器官中钒残留量的检测。

CHEMICAL ANALYSIS OF FERRO-VANADIUM. SPECTROPHOTOMETRIC DETERMINATION OF PHOSPHORUS.

钒铁合金的化学分析.分光光度法测定磷含量