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1. A salt of tungstic acid.

2. After 1963, tungstic acid, APT, W powder, WC powder and cemented carbide could be produced too.

3. The influence disciplinarian of scanning speed on tungstic electrode argon arc hardening effect on surface of boron cast iron was investigated.

4. The tungstic acid catalyst was recovered by GH deposition agent, and in the meantime the intermediate product was converted to pentanedial.

5. The application and research on the tungstic catalysts are reviewed in petroleum processing and petrochemicals , including hydrocracking, hydrofining, catalytic oxidation and acidic catalysis.

6. Pure tungsten-bearing compound can be produced from the crude tungstic acid by the existing production technology.

7. A new ester guerbet alcohol acetate is synthesized by using acetic acid and guerbet alcohol 2 octyl dodecyl alcohol in presence of catalyst phospho tungstic acid. The esterification ratio is 92.0 %.

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8. A new type of simple and sensitive nitrite ion-selective electrode based on the special tungstic acid hollow tube has been prepared.

9. Properties of fine tungsten powder and fine tungsten carbide powder from violet tungstic oxide are studied. The result shows that the process of v...

10. In this study, tungsten trioxide EC films were successfully prepared via sol-dip-coating method and sol-electrophoretic method using stable tungsten trioxide sol synthesized by tungstic acid.

11. Properties of fine tungsten powder and fine tungsten carbide powder from violet tungstic oxide are studied. The result shows that the process of violet tungst...

12. This paper introduces the digestion technology of mechanical activation in lieu of that of alkali boiling for manufacturing tungstic acid.