sodium tungstate
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网络 钨酸钠
双语例句
- Tungstocobalt heteropoly salts were synthesized using sodium tungstate and cobalt nitrate as materials.
本文以钨酸钠和硝酸钴为原料合成了钨钴杂多酸盐。 - High-purity sodium tungstate is prepared by controlling the crystal size of desorption solution.
在控制解吸液结晶程度的条件下，制取出了高纯钨酸钠。 - Eliminating Molybdenum from Sodium Tungstate Solution by Selective Precipitation
选择性沉淀法从钨酸钠溶液中除钼 - A simple and sensitive method for rapid spectrophotometric determination of tellurium is described, which is based on the reaction of tellurium(ⅳ) with sodium tungstate and Nile blue ( NB) to form an ion-association complex in the presence of polyvinyl alcohol ( PVA).
报告一个简单、灵敏、快速光度测定碲的方法。聚乙烯醇（PVA）存在下，碲与钨酸盐和耐尔蓝（NB）反应形成离子缔合物。 - Removal of molybdenum, arsenic and silicon from crude sodium tungstate solution by sulfide precipitation method
钨酸钠溶液中的钨钼分离研究用硫化物沉淀法除去粗钨酸钠溶液中钼砷硅的研究 - The Influence of Sodium Tungstate Concentration on Properties of Electroless-deposited Ni-Co-W-P Alloy Coating
钨酸钠浓度对Ni-Co-W-P合金镀层性能的影响 - Inhibitive action of sodium molybdate on aluminium in phosphoric acid HIGH VOLTAGE ANODIZATION BEHAVIOUR OF ALUMINUM IN MIXED ELECTROLYTES OF PHOSPHORIC ACID AND SODIUM TUNGSTATE
钼酸钠对铝在磷酸中的缓蚀作用铝在磷酸和钨酸钠体系中的高压氧化行为 - Mesoporous W-MCM-22 molecular sieves were prepared for the first time by directly hydrothermal synthesis using silica gel as the source of silicon, sodium tungstate as the tungsten source, piperidine as a structure-directing agent ( SDA) and boric acid as a structure-supporting agent under dynamic state.
通过动态法以***（PI）作为模板剂.硼酸作为结构承载助剂，硅溶胶作为硅源，钨酸钠作为钨源，水热晶化合成了W-MCM-22介孔分子筛。 - Pure sodium tungstate was less effective.
单纯的钨酸钠对DI材的缓蚀效果不佳。 - Electrode selection of electrolysis with membrane for sodium tungstate solution
钨酸钠溶液膜电解体系的阳极选择研究 - PRODUCING SODIUM MOLYBDATE OF INDUSTRIAL GRADE BY AMMONIA LEACHING RESIDUE Study of W-Mo Seperation from Crude Sodium Tungstate Solution
利用氨浸渣生产工业钼酸钠钨酸钠溶液中的钨钼分离研究 - The problems about increasing the recovery ratio of tungsten trioxide and purifying sodium tungstate with additives are also discussed in the paper.
并对加入添加剂以提高三氧化钨回收率、净化钨酸钠溶液等问题进行了探讨。 - Study on the Electrolysis Cell of Sodium Tungstate Ion Exchange Membrane
钨酸钠离子膜电解槽的研究 - Ion Exchange Preconcentration-ICP-AES Determination of Mi cro Ca and Mg in Sodium Tungstate
离子交换分离富集和ICP-AES测定钨酸钠中微量钙和镁 - Ultrafine WO_3 powders were prepared by colloidal chemical method using sodium tungstate, hydrochloric acid and palmityl trimethyl ammonium bromide as starting materials.
本文以钨酸钠、盐酸和十六烷基三甲基溴化铵为原料，采用胶溶法制备了WO3超细粉体。 - Use of Adsorption Column for Separation of Molybdenum from Sodium Tungstate Solution
柱式吸附法从钨酸钠溶液中分离钼的研究 - The effects of the A-1 concentration, the sodium tungstate concentration, the molar ratio of H_2O_2 to pinene, and the reaction temperature are investigated.
考察了季铵盐（A1）的浓度、钨酸钠浓度、H2O2与蒎烯的量比、反应温度对环氧化反应的影响。 - Pilot trial on free alkali recovery from sodium tungstate solution by electrolysis with ion-exchange membrane
膜电解法回收钨酸钠溶液中游离碱工业试验研究 - In the reaction of oxidizing cyclohexanol to cyclohexanone by hydrogen peroxide, we put forward a new method, that is taking sodium tungstate and assistant acid as catalyst system, and the catalyst ability of HPA-2 is best.
在30%双氧水氧化环己醇合成环己酮的反应中，提出了以钨酸钠为主催化剂，加入各种酸性配体氧化环己醇合成环己酮的新工艺路线。其中，HPA-2的助催化性能较好。 - A series of cobalt platinum tungsten alloys were deposited with sodium tungstate and cobaltous sulfate as the main salts and citrate as the complex agent.
报道了以钨酸钠、硫酸钴和二亚硝酸二胺铂为主盐、以柠檬酸盐为络合剂电沉积钴铂钨合金的工艺过程。 - The removal of molybdenum from crude sodium tungstate solution was investigated by cupric sulphate precipitation with the addition of appropriate quantity of sodium sulfide and under suitable conditions.
研究了用硫酸铜沉淀法除去粗钨酸钠溶液中钼的方法。试验在一定的条件下，使钼酸钠优先与硫化钠反应形成硫代钼酸盐，钨化合物仍以钨酸盐形式保留在溶液中。 - A novel ion exchange process had been developed for treating high concentration of sodium tungstate solution.
开发了离子交换新工艺用于处理高浓度钨酸钠溶液。 - Oxytetracycline in fermentation liquid and pharmaceutical preparations was determined by differential spectrophotometry using sodium tungstate as reagent. The average recovery was 99.8%, cv 1.8%.
以钨酸钠为反应试剂，用差示分光光度法测定发酵液和制剂中的土霉素含量，平均回收率99.8%，cv1.8%； - The study on high sensitive color reaction among iridium sodium tungstate and Nile Blue and its application
铱-钨酸钠-耐尔蓝超高灵敏显色反应的研究与应用 - Study is made of the vanadium extraction from sodium tungstate solution leached out of the secondary tungsten resource.
研究了采用某型树脂从钨二次资源浸出的钨酸钠溶液分离富集钒的效果。 - Recovery of sodium tungstate from apt crystalline mother solution by ion exchange method
离子交换法从APT结晶母液中回收钨酸钠 - A Study on Eliminating Educt Alkali from Coarse Sodium Tungstate with Electrodialysis Method
电渗析法脱除粗钨酸钠中的游离碱研究 - Sodium tungstate has some impact on determination the content of citric acid and the impact can be deducted by spectrophotometric analysis in order to accurately measure the content of citric acid in Ni-W-P alloy plating solution.
钨酸钠对其测定值有影响，通过分光光度分析给予扣除，可以满足Ni-W-P合金电镀液中测定柠檬酸含量的精确度要求。 - The results indicate that the acidification pH of sodium tungstate solution and the hydrothermal conditions were the key factors of TPA synthesis process.
研究发现，钨酸钠溶液酸化pH值和水热条件是影响TPA合成的关键因素。 - The hydrothermal method is hopeful to ensure high reaction rate, but it was limited because of the complex construction of the hydrothermal system with sodium tungstate solution.
目前，通过利用水热法制备焦绿石型氧化钨已经能够保证一定的反应率，但是含钨酸钠的水热体系结构比较复杂，限制了该法的推广应用。