A new type of simple and sensitive nitrite ion-selective electrode based on the special tungstic acid hollow tube has been prepared.
在一种特殊的钨酸空心管的基础上制备了一种结构简单且灵敏的亚硝酸根离子选择性电极。
This paper introduces the digestion technology of mechanical activation in lieu of that of alkali boiling for manufacturing tungstic acid.
本文介绍在复盐法生产钨酸中用机械活化浸取工艺代替碱煮浸取工艺的新方法。
The tungstic acid catalyst was recovered by GH deposition agent, and in the meantime the intermediate product was converted to pentanedial.
用GH沉淀剂回收钨酸催化剂，同时将反应中间体进一步转化成戊二醛。
Properties of fine tungsten powder and fine tungsten carbide powder from violet tungstic oxide are studied. The result shows that the process of v...
结果表明，紫钨制取工艺先进合理，由紫钨制得的钨粉、碳化钨粉细而均匀，分散性好，是制取高性能硬质合金的优质原料。
The application and research on the tungstic catalysts are reviewed in petroleum processing and petrochemicals, including hydrocracking, hydrofining, catalytic oxidation and acidic catalysis.
回顾了钨催化剂在石油炼制和石油化工新技术中的应用现状和研究进展，包括加氢裂化、加氢精制、催化氧化、酸催化等技术。
The application and research on the tungstic catalysts are reviewed in petroleum processing and petrochemicals, including hydrocracking, hydrofining, catalytic oxidation and acidic catalysis.
回顾了钨催化剂在石油炼制和石油化工新技术中的应用现状和研究进展，包括加氢裂化、加氢精制、催化氧化、酸催化等技术。
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