钨酸钠

离子交换法从APT结晶母液中回收钨酸钠

Recovery of sodium tungstate from apt crystalline mother solution by ion exchange method

单纯的钨酸钠对DI材的缓蚀效果不佳。

Pure sodium tungstate was less effective .

离子交换分离富集和ICP-AES测定钨酸钠中微量钙和镁

Ion Exchange Preconcentration-ICP-AES Determination of Mi cro Ca and Mg in Sodium Tungstate

在NaCl溶液中CTAB、SDS和钨酸钠对印刷电路板缓蚀作用研究

Corrosion inhibition of ctab 、 sds and na_2wo_4 for print circuit board in neutral NaCl solution

本文首次提出了用ICP-AES法测定用D001-CC强酸型阳离子交换树脂预分离富集钨酸钠中Ca和Mg。

A new method for the determination of Ca and Mg by ICP-AES after separation with str-ong acidic cation resin has been proposed .

以脱落酸（ABA）和ABA合成抑制剂钨酸钠（Tungstate）处理柱花草。

Stylosanthes guianensis was treated with abscisic acid ( ABA ) and the ABA biosynthesis inhibitor tungstate .

而利用ABA抑制剂钨酸钠进行处理，显著抑制了盐诱导的ABA水平和抗氧化酶活性的提高。

Using ABA synthesis inhibitor , tungstate ( sodium form ), significantly decreased the NaCl-induced increase in ABA and antioxidant enzymes .

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 results indicate that the acidification pH of sodium tungstate solution and the hydrothermal conditions were the key factors of TPA synthesis process .

用不同敞度磷钨酸钠&镁溶液，分步沉淀兔血清中脂蛋白，获得高密度脂蛋白（HDL）液。

Lipoproteins in rabbit serum were isolated by increasing concentration of phosphotungstate-magnesium solution and high density lipoprotein ( HDL ) was obtained .

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。

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 .

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。

Ultrafine WO_3 powders were prepared by colloidal chemical method using sodium tungstate , hydrochloric acid and palmityl trimethyl ammonium bromide as starting materials .

结果表明：通过控制钨酸钠浓度，可获得不同尺度的Ni-W合金纳米晶；

The results indicated that Ni-W alloy nanocrystalline with different size could be obtained by changing the concentration of sodium tungstate .

钨酸钠浓度对Ni-Co-W-P合金镀层性能的影响

The Influence of Sodium Tungstate Concentration on Properties of Electroless-deposited Ni-Co-W-P Alloy Coating

用扫描电镜、振动样品磁强计等实验手段研究了化学镀液中钨酸钠浓度对Ni-Ti合金丝表面化学镀Ni-Co-W-P薄膜形貌及性能的影响。

Ni-Co-W-P films were electroless-deposited on Ni-Ti alloy filament . The Ni-Co-W-P films were tested by means of ( VSM ) and SEM .

结论：用CB-HRP作为示踪剂，以钨酸钠作为四氨基联苯胺显色剂的稳定剂的方法是一种高效敏感的神经通路追踪方法。

CONCLUSION : It is a highly sensitive method to trace nerve pathway by using CB HRP as tracer and sodium tungstate as stabilizer of TMB .

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。

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 .

通过电沉积方法制备Ni-W合金纳米晶，研究钨酸钠浓度、电流密度、镀液pH、温度等四个工艺参数对Ni-W合金沉积速率、显微硬度、镀层表面质量的影响。

The Ni-W alloy nanocrystalline is produced by electrodeposition process and the effects of technological parameters such as the concentration of sodium tungstate , current density , pH value and operating temperature on deposition rate , microhardness and surface quality of the Ni-W alloy nanocrystalline coatings are investigated .

主要包括两部分内容：一、化学镀工艺及配方的确定，特别是钨酸钠浓度对化学镀Ni-Co-W-P磁性薄膜的影响；

The experiment is constituted with two main parts , the first , the confirmation of prescription and procedure , the effect on Ni-Co-W-P magnetic film by The concentration of sodium tungstate especially ;

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。

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 .

通过动态法以哌啶（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。

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 .

用碱浸离子交换盐析工艺制取优质钨酸钠

Preparation of High-quality Sodium Tungstate Using Alkali Digestion-ion Exchange-salt out Technique

钨酸钠离子膜电解槽的研究

Study on the Electrolysis Cell of Sodium Tungstate Ion Exchange Membrane

柱式吸附法从钨酸钠溶液中分离钼的研究

Use of Adsorption Column for Separation of Molybdenum from Sodium Tungstate Solution

钨酸钠溶液膜电解体系的阳极选择研究

Electrode selection of electrolysis with membrane for sodium tungstate solution

一缺位磷钨酸钠光催化降解甲基橙的研究

Study on Photocatalytic Degradation of Methyl Orange with Single Lacunary Sodium Tungstophosphate

钨酸钠产品、偏铝酸钠溶液质量均达到企标质量标准。

The purities of recovered products are over enterprise quality controlling standard .

用钨酸钠制备纳米钨粒子的研究

Synthesis of Tungsten Nano - particles with Sodium Tungstate

电渗析法脱除粗钨酸钠中的游离碱研究

A Study on Eliminating Educt Alkali from Coarse Sodium Tungstate with Electrodialysis Method

选择性沉淀法从钨酸钠溶液中除钼

Eliminating Molybdenum from Sodium Tungstate Solution by Selective Precipitation

在控制解吸液结晶程度的条件下，制取出了高纯钨酸钠。

High-purity sodium tungstate is prepared by controlling the crystal size of desorption solution .