白钨,scheelite
1)scheelite[英]['?i:lait][美]['?ila?t]白钨
1.Beneficiability research on the comprehensive recovery of scheelite;综合回收白钨的可选性研究
2.According to the solubility product constant of calcium phosphate and calcium hydroxide phosphate,relative factors on alkali and phosphate decomposition of scheelite were studied.研究了在碱性条件下以磷酸钠为浸出剂分解白钨的影响因素,实验表明,影响白钨分解率的主要因素为磷酸钠的用量,其次为氢氧化钠的用量;较优的工艺条件是氢氧化钠用量为它与钨酸钙单独反应时所需理论量的1。
3.The scheelite resources of Luanchuang is introduced, the necessity of complex utilization of scheelite is analysed and the prospect of complex utilization of scheelite is discussed.介绍了栾川白钨资源概况 ,对白钨综合回收和利用的必要性和可行性进行了分析 ,对其产业化前景进行了展望。
英文短句/例句

1.STUDIES ON WHITE POWDERY TUNGSTIC ACID (Ⅱ)--THE PREPARATION OF VARIOUS METATUNGSTATES粉状白钨酸的研究(Ⅱ)——从粉状白钨酸制备偏钨酸盐
2.Research on the Preparation of Tungstate Micro-Crystallites with Scheelite Structure by Precicitation Method白钨矿型钨酸盐微晶的沉淀法制备技术研究
3.Technical requirements of synthetic scheeliteGB/T5192-1985合成白钨技术条件
4.COMPREHENSIVE TREATMENT TECHNOLOGY OF POLLUTANT FROM APT PRODUCTION LINE OF SCHEELITE ORE白钨矿APT生产线污染物综合治理技术
5.Scheelite, Cassiterite and Beryl from Pingwu, Sichuan Province四川平武的白钨矿、锡石和绿柱石宝石
6.Experimental Study on Comprehensive Recovery of Scheelite from Antimony Ore by Flotation某锑矿综合回收白钨矿浮选试验研究
7.Preparationand Characterization of New Scheelitetype Solid Electrolyte Materials新型白钨矿型固体电解质材料的研制
8.Studies on Powdery White Tungstic Acid(Ⅻ)--Preparation and Properties of Certain Organic Ammonium Polytungstates粉状白钨酸的研究(Ⅻ)——某些聚钨酸有机铵盐的合成和性质
9.Preperation of Molybdate and Tungstate Films with Scheelite Structure by Galvanic Cell Method and Its Photoluminescence;白钨矿结构钼酸盐、钨酸盐薄膜的原电池技术制备及性能研究
10.Application of Combination Collectors in Bulk Flotation of Wolframite and Scheelite组合捕收剂在黑钨矿、白钨矿混合浮选中的应用研究
11.Experiment research of using new type collector to float WO_3,Mo,Bi complex ore新型捕收剂浮选钨钼铋多金属矿中白钨矿试验研究
12.Chemical Phase Analysis of Tungsten Minerals using Diluted Nitric Acid as the Selective Solvent for Separation of Scheelite from wolframite稀硝酸作为选择性溶剂的钨矿物相分析——白钨矿与黑钨矿的分离测定
13.a heavy gray-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite.一种重的灰白色金属元素,纯净状态下主要用于电器,见于许多矿石中,包括钨锰铁矿和白钨矿。
14.STUDY ON MECHANICAL ACTIVATED DECOMPOSITION WITH SODA SOLUTION OF SCHEELITE MIDDLE CONCENTRATE机械活化苏打溶液分解白钨中矿试验研究
15.Study on Making Tool and Die Steels by Direct Reduction with Scheelite and Molybdenum Oxide Completely;全白钨矿和氧化钼直接还原冶炼工模具钢研究
16.Study on the Ore-controlling Structure of Yanglin ao Scheelite Deposit in East Hengyang, Hunan Province;湖南衡南杨林坳白钨矿床控矿构造研究
17.The Finding and Prospecting Signification of the New Style Scheelite Deposit in Miaoershan,Hunan Province湖南苗儿山白钨矿床的发现及其找矿意义
18.The discovery and significance of Yangjingou scheelite deposit,Hunchun City,Jilin Province吉林省珲春市杨金沟白钨矿床的发现及意义
相关短句/例句

Scheelite[英]['?i:lait][美]['?ila?t]白钨矿
1.Thermodynamics on soda decomposition of scheelite;碳酸钠分解白钨矿的热力学分析
2.Effect of Carbon, Ferrosilicon and Silicon Carbide on Scheelite Reduction Kinetics;碳、硅铁及碳化硅对白钨矿还原动力学的影响
3.Researches and applications of scheelite flotation with ZL collector;ZL捕收剂浮选白钨矿的研究和应用
3)scheelite deposit白钨矿床
1.Geological characteristics of the Yangjin'gou scheelite deposit of Jilin and its ore genesis;吉林杨金沟白钨矿床地质特征及成因探讨
2.Geologic features and genesis of the Yangjingou scheelite deposit,Hunchun,Jilin Province;吉林珲春杨金沟白钨矿床地质特征及成因初探
3.Geologic features and genetic mechanism of the Yangjingou scheelite deposit,Hunchun City,Jilin Province;吉林省珲春市杨金沟白钨矿床地质特征及成因机制探讨
4)scheelite concentrate白钨精矿
1.The paper summarizes the latest development of acid process for treatment of scheelite concentrate.综述酸法工艺处理白钨精矿近年来的最新进展,将其与碱法工艺处理白钨精矿进行了分析比较,指出酸法工艺处理白钨精矿仍具有极强的生命力,并提出了最新的酸法工艺流程。
2.Scheelite that meet the requirement of tungsten leaching can be gained, at the same time, can gain high quality scheelite concentrate.白钨中矿经酸化学预处理后 ,能将伴生的钙质碳酸盐和有害杂质SiO2、P、As、Fe、Mn、Mo等进一步降低 ,得到适合钨浸出工艺要求的白钨矿 ,还能得到高质量的白钨精矿。
3.Flotation test study on the decreasing phosphorus of scheelite concentrate was carried out.对某白钨精矿浮选降磷进行了试验研究,分析了捕收剂、抑制剂及辅助捕收剂对白钨精矿降磷效果的影响。
5)artificial scheelite人造白钨
1.Method of determinating of tungsten trioxide in artificial scheelite is described.建立了人造白钨中三氧化钨的测定方法。
6)recovering of scheelite白钨回收
1.It indicates that the technique and condition are ripe for recovering of scheelite in Luanchuang Molybdenum Mine.对栾川钼矿的矿石性质进行了分析研究 ,通过工业试验 ,获得了理想的技术经济指标 ,分析表明 :栾川钼矿的白钨回收技术业已成熟 ,具备了产业化的条件。
延伸阅读

白钨精矿盐酸分解白钨精矿盐酸分解digestion of scheelite concentrate by chlorhydruic acid liquid ba{wt‘l【ngkuang yonsuan fenlle白钨精矿盐酸分解(digestion of Seheeliteconcentrate by ehlorhydrie aeid liquid)白钨精矿与盐酸反应生成不溶于酸的钨酸而和生成可溶于酸的大部分杂质氯化物得以分离的钨精矿分解方法。此法已应用于工业生产。 原理白钨精矿很容易与盐酸反应: CaWO;+ZHCI—HZWO。+CaCI:在293K温度下钨酸钙与盐酸的反应浓度平衡常数为9500,353K温度下为12000,所以反应可以进行得很彻底。 白钨精矿中的磷、砷、硅、钥等杂质也能与盐酸反应,生成磷酸、砷酸、硅酸和铝酸。反应为: Ca3(PO;)2十6HCI一3CaCI:+ZH3PO‘ 3As:53千28NaNO3十10HCI+4HZO一 6H3AsO‘+gNa:50‘+10NaCI+28NO个 Ca5F(PO呜)3+IOHCI—ZH3PO;+SCaC12+HF CasiO3+ZHCI=一=叫CaCI:十H:510: CaMoO‘十ZHCI一HZMoO‘+CaC12 磷酸、钥酸、砷酸能溶解于盐酸中,而可与钨酸分离。 固体粗钨酸经洗涤后溶解于氨水或氢氧化钠溶液: H:WO、+ZNH4OH—(NH、)zWO‘十ZHZO HZW〔);+ZNaOH—NaZWO‘+ZHZO生成钨酸钱或钨酸钠溶液和不溶性杂质分离。 工艺白钨矿盐酸分解的典型工艺流程如图l。 。钨。矿万只酸 奋{去蒸馏水誉省滤液及酸液钨酸按溶液氨不溶渣 图l白鸽精矿盐酸分解工艺流程 白钨精矿盐酸分解的反应平衡常数值虽很大,反应可望进行得很完全。但白钨精矿酸分解是典型的液固两相反应过程,反应固体产物钨酸包裹在未反应的钨酸钙外,盐酸要通过包裹的钨酸层膜才能与钨酸钙继续反应。因此,减薄包裹钨酸钙的钨酸膜的厚度以利于盐酸扩散就成为加速白钨精矿分解的关键因素。在工业生产中采用把精矿磨得更细的办法来减薄钨酸膜厚度,有利于盐酸的扩散,反应易于进行完全。采用湿式振动球磨的磨矿方法能有效地把白钨精矿磨得很细(一0.O43rnm粒级达到98%)。白钨精矿盐酸分解是在酸分解搅拌槽中进行的。自钨精矿在湿式振动球磨机内细磨至一。.o43mm达到98%。采用硝石或硝酸氧化剂,加入量不超过矿质量的l%.盐酸用工业浓盐酸,用量为理论的25。写一3戈、〔、%‘盐酸先预热至}}333一343K后加矿浆,加完矿浆)、污fJ{{热煮沸15min。 盐酸分解所得的钨酸浆经过滤、洗涤,把氯化钙等酸溶杂质洗去,便成粗钨酸浆。用稀氨水或稀氢氧化钠液溶解粗钨酸浆,再经过滤和洗涤,分离除去不溶残渣得到钨酸钱溶液或钨酸钠溶液。