Recycling High Calcium APT;
高钙仲钨酸铵再处理应用
The Study on Control Technology of Fsss and Size Distribution of APT;
仲钨酸铵费氏粒度及粒级分布控制工艺研究
Study on the Solubility of NH_4Cl-NH_3·H_2O-H_2O System APT;
NH_4Cl-NH_3·H_2O-H_2O系仲钨酸铵溶解度研究
Separation of molybdenum in production process of ammonium paratungstate
仲钨酸铵生产工艺中钼的分离
On the basis of proving the influence of temperature,concentration of solution and stiring intension to the granularity of ammonium paratungstate(APT),micron-level APT.
在探明温度、溶液浓度,搅拌强度对仲钨酸铵粒度影响的基础上,研究了表面活性剂制备微米级仲钨酸铵的工艺。
In the paper, the linear growth order of ammonium paratungstate crystal is studied by the "method of initial rate".
应用“初始速率法”研究了仲钨酸铵(APT)晶体的线生长级数。
According to Arrhenius theory, using the method of nucleation period integral mean rate, the apparent activation energy of ammonium paratungstate(APT) crystal growth is calculated as 94.
采用“成核期积分平均速率法”,运用阿累尼乌斯实验定律,求出仲钨酸铵晶体生长的表观活化能E表=94。
In order to solve the problem of determination of boron in ammonium paratungstate(APT), the authors began with the study on determination way by ICP AES.
为了解决高纯仲钨酸铵中杂质元素硼的测定问题 ,采用ICP AES测定方法 ,对测定中基体效应及光谱干扰进行了研究 ,考察了酸度、蒸干程度、放置时间等因素对钨的沉淀程度及硼的回收率的影响 ;此外 ,将基体分离与干扰系数校正法相结合 ,建立了简便、快速、准确测定高纯仲钨酸铵中微量硼的新方法 。
Rapid thermal decomposition of monoclinic ammonium paratungstate;
单斜仲钨酸铵快速热分解研究
With DSC instrument and laser granularity analysis instrument, the result of monoclinic ammonium paratungstate (APT) at the rate of 3℃/min in argon gas turns out: the thermal decomposition rapidity of monoclinic ammonium paratungstate (APT) from 0 to 131.
通过差热分析仪和激光粒度分析仪对单斜仲钨酸铵(APT)以3℃/min进行热分解的试验结果分析可以得出,如要制备细颗粒氧化钨,在0℃到131。
The Latest Development of the Technologies to Treat APT Crystal Mother Liquor
仲钨酸铵结晶母液处理技术研究进展
The Study on Control Technology of Fsss and Size Distribution of APT
仲钨酸铵费氏粒度及粒级分布控制工艺研究
On the Third-Generation Production Technology of Ammonium Paratungstate
资源、环境与能源压力促使仲钨酸铵第三代生产工艺技术诞生
Optimizing Technical Conditions in Super-high Pure APT Preparation Process by Double-ion-exchange and Saturation Adsorption Technology
二次离子交换饱和吸附法制取超高纯仲钨酸铵工艺优化
Determination of Trace Impurities in High Purity Ammonium Paratungstate by Inductively Coupled Plasma Mass Spectrometry
电感耦合等离子体质谱测定高纯仲钨酸铵中磷及其它微量元素
Study on Oxidation Reaction of Abietic Acid with H_2O_2 Catalyzed by Quaternary Ammonium Phosphotungstate
磷钨酸季铵盐催化H_2O_2氧化枞酸的研究
Synthesis of Sec-butyl Acetate from Mixed C4 using the catalyst of Phosphotungstic Acid
磷钨酸催化混合C4合成醋酸仲丁酯
Methods for chemical analysis of tungsten concentrates--The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content
GB/T6150.1-1985钨精矿化学分析方法钨酸铵灼烧法测定三氧化钨量
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
THE PREPARATON OF AMMONIUM PARAMOLYBDATE AND AMM NIUM PERRHENATE FROM NON-STANDARDIZED MOLYBDENUM ORE CONCENTRATES BY OXYGEN DIGESTING PROCESS
非标准钼精矿氧压煮法制取仲钼酸铵和高铼酸铵
The Study of Deep Molybdenum Removal by Activated Carbon in High-purity Solution of Ammonium Tungstate
高纯钨酸铵溶液中活性炭深度除钼研究
Epoxidation of Diclopentadiene Catalyzed by Quaternary Ammonium Heteropolyphosphatotungstates
磷钨杂多酸季铵盐催化合成二氧化双环戊二烯
Try to Discuss the Treatment and Recycling Utilization of Ammonium Tungstate Production Wastewater by Extraction
试论萃取法钨酸铵生产废水的处理及回用
On Deep Desulfurization by Activated Carbon in High Purity Ammonium Tungstate Solution
高纯钨酸铵溶液中活性炭深度除硫研究
Epoxidation of methyl abietate catalyzed by tetrabutylammonium divacant lacunary silicotungstate
两缺位硅钨酸正丁基季铵盐催化枞酸甲酯的环氧化反应
The Study of the Bridging Compounds Based on Keggin-type and Paratungstate-B
基于Keggin多金属氧酸盐和仲钨酸盐-B的桥连化合物的研究
Study of Photocatalytic Degradation of C.I.Reactive Orange Solution with Phosphotungstate;
磷钨酸四甲基铵光催化降解活性艳橙溶液的研究
Nitration of Benzene Catalyzed by Supported Ammonium Phosphotungstate Catalyst
负载磷钨酸铵的溶胶-凝胶法制备及催化苯硝化反应的研究