bauxite是什么意思

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The mainly preparation of ferrovanadium is aluminothermic reduction currently.

钒铁是生产工具钢、耐热钢的一种重要中间合金,目前主要采用铝热法生产。

An ICP AES method for the determination of Cu,Si,Al,P,Cr,Ni,Mn,W in ferrovanadium has been established, based on the selection of proper wavelength and background correction.

叙述采用等离子发射光谱法同时测定钒铁中的铜、硅、铝、磷、铬、镍、钨、锰等微量元素 ,试样用稀王水分解 ,选择适当的波长与背景校正进行分析测定 ,方法回收率在 95%～ 1 0 5%之间 ,相对标准偏差均小于 4% ,本方法快速准确 ,精密度良好。

To promote development of low alloy steel bearing vanadium and mitrogen,the process,conditions and products of preparing nitrided ferrovanadium and vanadium nitride are introduced on the basis of main documents.

为推动含钒氮低合金钢的发展 ,在查阅主要文献的基础上 ,重点介绍了氮化钒铁及氮化钒制备的工艺方法、条件及产品情况。

TRIAL PRODUCTION OF HRB400 BAR BY MICROALLOYING PROCESS OF "FeV+NITROGEN ENRICHMENT AGENT";

“钒铁+富氮剂”微合金化HRB400钢筋生产试验

This paper studies the application of ICP-AES for determining the elements of silicon, manganese, aluminium and phosphorus in vanadium iron.

研究了应用电感耦合等离子体光谱法(ICP-AES法)测定钒铁中硅、锰、铝、磷元素,进行了试样分解试验,考察了基体、共存元素对被测元素的影响,确定了分析谱线、最佳工作参数,建立了同时测定硅、锰、磷、铝元素的分析方法,同时还进行了加标回收试验、精密度试验及准确度试验。

The experiment to determine united silicon and manganese in ferro-vanadium is conducted, the best condition studied, the test and analysis for standard sample and other one come from Cheng Steel are done.

对钒铁中硅锰联合测定进行了实验,研究了实验方法的最佳条件,对标准样品和承钢生产的钒铁进行了实验分析,结果满意。

This paper introduced the market development trend of vanadium products(include ferro-vanadium and vanadium oxide).

介绍了钒产品(包括钒铁和五氧化二钒)的市场发展趋势,重点从2005年的45万元/t的钒铁历史高价开始分析,到近两年的市场平淡、平稳的原因,并且对从中反射出来的规律进行了总结。

Study on Oxidation of Vanadium in Molten Iron and Formation of Vanadium-Iron Spinels

铁水中钒氧化及钒铁尖晶石形成的研究

Methods for chemical analysis of ferrovanadium--The potentiometric method for the determination of vanadium content

GB/T8704.5-1994钒铁化学分析方法电位滴定法测定钒量

Experimental Study and Correction of the Absorption and Enhancement Effect between Ti,V and Fe

钛钒铁间吸收增强效应研究及其校正

Semi-Industrial Experiment on the Pretreatment of Molten Pig Iron by Top-Blowing Oxygen and TopAdding Sodium Carbonate

碳酸钠吹氧法预处理含钒铁水半工业实验

Analysis of vanadium distribution regularity in Panzhihua Vanadium-titanium Magnetite Mine

浅析攀枝花钒钛磁铁矿钒的分布规律

Iron-cobalt-vanadium permanent-magnet alloys

GB/T14989-1994铁钴钒永磁合金

Fast Determination of Vanadium in Vanadium-nitrogen-iron Alloy by Ammonium Ferrous Sulfate Titrimetric Method

硫酸亚铁铵滴定法快速测定钒氮铁合金中的钒

Prioritize in development of vanadium products for iron and steel industries and proactively develop other high-tech vanadium products.

钒产业以钢铁行业用钒制品为重点，积极开发其他高新钒制品。

Determination of Vanadium by FIA with V(Ⅴ)-Fe (CN)_6~(4-)-Luminol Chemiluminescence System

钒(Ⅴ)-亚铁氰化钾-鲁米诺化学发光体系测定钒

Technology of Extraction and Kinetics of Leaching Vanadium from Vanadium Titanium Magnetite Tailings

钒钛磁铁矿尾矿中钒的提取工艺和动力学研究

A Test Study on Cr24VTi High-chromium Cast Iron Grinding Ball

含钒钛24%铬高铬铸铁磨球试验研究

Experimental Research on the for Iron Concentration Technology for a Low Grade Vanadiferous Titanomagnetite Ore with High Phosphorus

某低品位高磷钒钛磁铁矿选铁试验研究

Experimental Research on Recovering Titanium from the Tailings of Separating Iron of a Low-grade Titanomagnetite Ore

某低品位钒钛磁铁矿选铁尾矿选钛试验研究

Experimental Study on Comprehensive Recovery of Iron,Titanium and Phosphorus from the Super-poor Vanadium-titanium Magnetite

超贫钒钛磁铁矿综合回收铁钛磷试验研究

Vanadium--Determination of vanadium content--Potassium permanganate-ammonium ferrous sulphate volumetric method

GB/T8639.1-1988钒化学分析方法高锰酸钾-硫酸亚铁铵滴定法测定钒量

Present Situation of Technological Research on Preferential Extracting Vanadium from Vanadium-bearing Titanomagnetite Concentrate and Its Industrialization Prospects

钒钛磁铁精矿先提钒工艺研究现状及产业化前景分析

Research and Application of Jaw Plates of HighChromium White Cast Iron with VTi and

稀土钒钛高铬白口铸铁颚板的研究与应用

The Influence of V and Ti on Solidification of Gray Iron with High C . E. %

钒钛对高碳当量灰铸铁凝固过程的影响