1) coarse sodium tungstate
粗钨酸钠
1.
The feasibility of eliminating educt alkali from coarse sodium tungstate with negative ion(1)selective membrane was studied.
研究一价阴离子选择膜从粗钨酸钠溶液中脱除游离碱的可行性,考察了操作电流密度、料液中游离碱浓度、回收碱浓度等工艺参数对过程能耗、电流效率及碱钨迁移速率比等工艺指标的影响。
2) impure sodium tungestate solution
粗钨酸钠溶液
1.
from impure sodium tungestate solution are reviewed and several commonly used purification methods are reported with discussion of research trend.
对粗钨酸钠溶液中的几种常见而又典型的杂质，如砷、磷、硅、钼等的净化分离研究成果及几种常用的分离净化方法作了较详细的回顾，对本课题未来的研究方向进行了讨论。
3) sodium tungstate
钨酸钠
1.
Oxidation of alcohol and olefins using hydrogen peroxide solution as oxidant under the catalysis of quaternary phosphonium and sodium tungstate;
季膦盐和钨酸钠催化下双氧水溶液清洁氧化醇和烯烃的研究
2.
Complex of PASP and sodium tungstate as inhibitors for brass corrosion in simulated water;
聚天冬氨酸和钨酸钠复配对模拟水中黄铜的缓蚀作用研究
3.
Effect of concentration of sodium tungstate in electroplating bath on properties of nickel-tungsten-phosphorus Ternary Alloy;
钨酸钠加入量对铜基镍-钨-磷合今镀层性能的影响
4) tungstate
[英]['tʌŋstit] [美]['tʌŋ,stet]
钨酸钠
1.
The inhibition effects of molybdate and tungstate on the corrosion of cold rolled steel(CRS) in 0.
2 mol/L HCl介质中,钼酸钠(Na2MoO4)、钨酸钠(Na2WO4)对冷轧钢片的吸附及其缓蚀作用。
2.
The anodic polarization curves of carbon steel in solutions containing tungstate were measured using rotating disc electrode (RDE).
运用旋转圆盘电极测定了碳钢在钨酸钠溶液中的阳极极化曲线 ,研究了电位扫描速度、钨酸钠浓度、氯离子、钙离子及镁离子对极化曲线的影响。
3.
The inhibition mechanism of carbon steel with tungstate in deaerated neutral solution was investigated.
结果表明钨酸钠对碳钢的缓蚀作用为钝化机理，但介质中Ｍｇ２＋离子的存在对该钝化作用有显著影响。
补充资料：钨酸钠
钨酸钠化学式Na2WO4·2H2O，分子量329.86。无色或白色结晶粉末。在干燥空气中风化。易溶于水，水溶液呈弱碱性，不溶于醇。无水物熔点698℃。用做分析试剂、生物碱沉淀剂、织物的防水防火剂和制取金属钨及其化合物的原料。向20％NaOH溶液中加入过量的H2WO4，加热、过滤、蒸发、结晶制得本品。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条