1)vanadium[英][v?'ne?di?m][美][v?'ned??m]钒
1.Origin of carbon and concentration of uranium and vanadium from Liumao graphite formation in Jixi;鸡西柳毛石墨矿碳质来源及铀、钒的富集机制
2.A new method of recovering vanadium from vanadium slags;从钒渣中提取钒的新方法
3.Determination of trace Vanadium by flow injection catalytic-kinetic spectrophotometry;流动注射催化光度法测定微量钒
英文短句/例句
1.Recovery of Vanadium and Molybdenum from Petroleum Spent Cantaining Vanadium从含钒石油废触媒中提取钒、钼的工艺
2.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
3.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。
4.Study on a New Technology of Recovering Vanadium from the Argillaceous Vanadium Ore and the Preparation and Evaluation of the Vanadium Catalyst;粘土钒矿提钒新工艺研究及钒催化剂的制备与评价
5.Study on Treating Wastewater of V_2O_5 Extraction from Vanadium-bearing Waste Slag含钒废渣生产五氧化二钒的沉钒废水的处理研究
6.Iron-cobalt-vanadium permanent-magnet alloysGB/T14989-1994铁钴钒永磁合金
7.beryllium, chromium, nickel, vanadium and their chemical compounds;铍、铬、镍、钒及其化合物；
8.Chromium-vanadium spring steel wireGB/T5219-1985铬钒弹簧钢丝
9.Krupp triple stee克鲁普铬钼钒高速钢
10.Vasco (Vanadium Alloy Steel Company)钨钒高速工具钢公司
11.vanadium catalyst for manufacture of sulfuric acid硫酸生产用钒催化剂
12.a mineral consisting of chloride and vanadate of lead; a source of vanadium.一种含铅的氯化物和钒酸盐的矿物，是钒的来源。
13.Any of three anions, VO3, VO4, or V2O7, containing pentavalent vanadium.钒酸盐三种阴离子，VO3，VO4，或V2O7之一，含有5价的钒
14.a salt or ester of vanadic acid; an anion containing pentavalent vanadium.钒酸的一种盐或酯，一个含有五价钒的阴离子。
15.Methods for chemical analysis of ferrovanadium--The potentiometric method for the determination of vanadium contentGB/T8704.5-1994钒铁化学分析方法电位滴定法测定钒量
16.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
17.Study on a New Technology of Comprehesive Recovering Graphite and Vanadium Pentoxide from Vanadium Ore with High Carbon;高碳钒矿综合回收石墨提钒新工艺研究
18.Syntheses and Structural Characterizations of Vanadium and Vanadium-Molybdenum (Tungsten) Polyoxometalate;钒氧簇与钒钼（钨）氧簇的合成与结构表征
相关短句/例句
vanadium(V)钒
1.Catalytic Polarographic Determination of Vanadium(V) by Using Double Polarographic Peak;双极谱峰指示催化动力学极语法测定痕量钒
3)vanadium slag钒渣
1.Leaching characteristic of harmful elements in vanadium slag;钒渣中有害元素的浸出特性
2.Determination of the optimum conditions of roasting of vanadium slag by othogonal test;利用正交试验确定钒渣焙烧的最佳工艺条件
4)vanadium[英][v?'ne?di?m][美][v?'ned??m]钒矿
1.Experimental study on immersion ratio of green-ball granularity of vanadium in HUNAN based on orthogonal test基于正交试验的钒矿生球粒度对转浸率影响
2.There distributed widely the Lower Cambrian black sequence in Xiuwu region in which exist rich vanadium,molybdenum,and uranium deposits,among which vanadium deposit is the richest one.修武地区下寒武统黑色岩系分布广泛,蕴含着丰富的钒、钼、铀等矿产资源,其中钒矿资源尤为丰富,钒矿体赋存在下寒武统王音铺组底部,具有矿床(点)数量多、分布广、储量大、易勘查开发等特点。
5)vanadium removal除钒
1.Discussion on process of vanadium removal from rough TiCl_4;粗TiCl_4除钒工艺探讨
2.It is pointed out that the methods for vanadium removal by use of organic compounds and aluminium powder are more efficient ones by comparison.概述了使用铜丝、有机物、硫化氢和铝粉4种物质除去粗四氯化钛中的杂质钒方法的优缺点,通过比较指出有机物除钒法和铝粉除钒法是较理想的粗四氯化钛除钒方法。
3.According to crude tetrachloride titanium with high vanadium,the influence of contents of aluminum powder on effects and the time of vanadium removal were investigated,and dynamics of vanadium removal with aluminum powder were discussed.铝粉除钒法是一种重要的粗四氯化钛精制工艺。
6)V-slag钒渣
1.The Metallurgical Physical-Chemical Condition and Function of the V-slag during the Property Modifying Treatment of High-Cr White Casting Iron;在高铬铸铁改性处理中钒渣的冶金物化条件与作用
2.compound inoculation of V-slag is discussed.从热力学角度分析了钒渣作为炼铁工业副产品得到二次利用的可行性,并讨论了冶金综合处理工艺和冶金物化条件对充分发挥钒渣复合孕育效果的作用。
延伸阅读
钒钒vanadium一种化学元素。化学符号V，原子序数23，原子量50.9415，属周期系ⅤB族。1801年西班牙A.M.del里奥在分析墨西哥锡马潘的铅矿时发现一种新元素，由于它与酸加热时显红色，便命名为erythronium，含义是“赤元素”。1830年瑞典N.G.塞夫斯特穆用泰贝格附近的铁矿炼铁时，发现矿石、锻铁和炉渣中都含有一种新元素，并以斯堪的纳维亚女神Vanadis将其命名为vanadium。同年，德意志F.维勒发现它与erythronium属于同一种元素。1927年美国J.W.马登和M.N.里奇在900～950℃时将五氧化二钒、金属钙和氯化钙的混合物加热，制得纯度为99.7％的金属钒。钒在地壳中的含量为0.02％～0.03％，钒的矿物主要有绿硫钒矿(V2S＋nS)、钒云母〔K2（Mg，Fe）（Al，V）4Si12O32·4H2O〕、钒铅矿〔PbCl2·3Pb3（VO4）2〕、钒钾铀矿（K2O·2V2O3·V2O5·3H2O）。钒还存在于铁矿和铝矿中。钒是淡灰色有光泽金属，熔点1890±10℃，沸点3380℃，密度5.96克／厘米3。有韧性，在氢气中加热变脆，含氧和氮的钒也有脆性。室温时，钒不与氧作用，加热下被氧化为VO、V2O3、VO2、V2O5。高温下与多数非金属元素（如氮、碳、硫）发生反应。钒还能与铝、钴、铜、铁、锰、钼、镍、钯、锡、硅形成合金。钒不与稀盐酸、稀硫酸和碱溶液作用，但易溶于浓硫酸、浓硝酸和氢氟酸。钒与熔融的碱作用后，生成钒酸盐。钒的氧化态为－1、＋1、＋2、＋3、＋4、＋5。通常＋2和＋3价钒的氢氧化物呈碱性，＋4和＋5价钒的氢氧化物呈两性。＋5价钒在不同酸度的水溶液中形成不同组成的钒酸盐。钒矿的分解方法有：①酸法。用硫酸或盐酸处理，得（VO2）2SO4或VO2Cl。②碱法。用氢氧化钠或碳酸钠与矿石熔融，得NaVO3或Na3VO4。③氯化物焙烧法。食盐和矿石一起焙烧，得NaVO3。金属钒制法可用碳、硅、铝还原五氧化二钒，或用金属钠、镁还原四氯化钒。钒主要用于制造合金钢，可提高钢的强度，用作结构钢、弹簧钢、工具钢、装甲钢和钢轨。
