tungstic

tungstic

1. Keywords W-SBA-15 mesoporous molecular sieve;sodium tungstate;tungstic acid;cyclohexene;epoxidation;

15介孔分子筛;钨酸钠;钨酸;环己烯;环氧化反应;

2. In 1958, Ganzhou Concentration Plant was established and started its production. After 1963, tungstic acid, APT, W powder, WC powder and cemented carbide could be produced too.

1958年，赣州精选厂建成投产。1963年以后，进一步发展到生产钨酸、钨酸钠、仲钨酸铵、钨粉、碳化钨粉、硬质合金等。

3. alpha tungstic oxide

α相三氧化钨

4. tungstic oxide

三氧化钨

5. Keywords diisopropyl benzene;transalkylation;supported heteropoly tungstic acid;

二异丙苯;烷基转移;负载杂多钨酸;

6. exchange tungstic electrode argon welding

交流钨极氩弧焊

7. Monodispersed tungstic acid nanoparticles with an average diameter of 20 nm were prepared by a ultra-violet light irradiation of oxotungsten-citrate complex aqueous solution.

以磷钨酸为光催化剂,在紫外灯照射下,对甲基橙溶液进行光催化降解,考察了几种阴阳离子对磷钨酸光催化降解甲基橙溶液的影响。

8. Keywords ammonium paratungstate（APT）-sodium paratungstate（SPT） complex salt;tungstic acid;tungstic trioxide;slacken density;

仲钨酸铵-钠复盐;钨酸;三氧化钨;松装密度;

9. Keywords Perfluorooctanoic acid;HPLC;Precolumn derivatization;Urine Water;Adsorption;Active carbon;Tungstic heteropolyacid;Photochemical degradation;

全氟辛酸;高效液相;柱前衍生;尿样;水样;活性炭;吸附磷钨酸;光化学降解;

10. Industrial practice of producing tungstic acid from waste catalyst containing tungsten

利用含钨废催化剂生产钨酸工艺实践

11. Industrial Experience of Producing Tungstic Acid Using Waste Catalyst Containing Tungsten

利用含钨废催化剂生产钨酸的工业实践

12. DETERMINATION OF CAPTOPRIL TABLETS WITH TUNGSTIC BLUE COLORIMETRY

卡托普利片的钨蓝比色测定

13. Keywords tungstic compound adipic acid hydrogen peroxide catalytic oxidation;

含钨化合物;己二酸;过氧化氢;催化氧化;

14. Keywords waste catalyst containing tungsten;ammunium tungstate;APT;tungstic acid;

含钨废催化剂;钨酸铵;钟钨酸铵;钨酸;

15. 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。

16. Nitropyridine-N-oxide was synthesized with pyridine as original reactant through N-oxidation and nitration reactions, by using water as medium, tungstic acid and sulfuric acid as catalysts.

在N-氧化反应中,因用水作为反应介质,钨酸和硫酸为催化剂,不仅降低了反应成本,减少了环境污染,而且N-氧化吡啶的产率较高为96。

17. TECHNOLOGICAL PRACTICE FOR PRODUCING TUNGSTIC TRIOXIDE OF DISTINCT GRANULAR DEGREE WITH THE COMPLEX SALT METHOD

复盐法生产不同颗粒度三氧化钨工艺实践

18. Keywords industrial tungstic acid;ammonia deputation;thermal decomposition;highly-purified WO_3;

工业钨酸;氨净化;热离解;高纯三氧化钨;

19. Keywords cyclohexanone;hydrogen peroxide;phosphotungstic acid;tungstic acid;adipic acid;citric acid;

己酮;催化氧化;过氧化氢;磷钨酸;钨酸;己二酸;柠檬酸;

20. 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。

21. Phosphotungstic Acid or Tungstic Acid-Catalyzed Oxidation of Cyclohexanone to Adipic Acid in the Presence of Citric Acid

柠檬酸对钨酸及磷钨酸的催化活性的改进

22. Keywords active tungstic acid;12-tungstophosphoric acid;catalyst;tetrahydrofuran （THF）;polytetramethylene ether glycol （PTMEG）;

活性钨酸;磷酸;12-钨磷酸;催化剂;四氢呋喃（THF）;聚四甲撑醚二醇（PTMEG）;

23. Structure and Photocatalytic Activity of the Products Obtained by Thermal Treating Tungstic Acid

热处理对钨酸产物结构及光催化活性的影响

24. Keywords cyclohexene;catalytic oxidation;tungstic acid;hydrogen peroxide;adipic acid;

环己烯;催化氧化;钨酸;过氧化氢;己二酸;

25. Keywords cyclohexanone;catalyzed oxidation;hydrogen peroxide;tungstic acid;adipic acid;acidic organic additives;

环己酮;催化氧化;过氧化氢;钨酸;己二酸;有机酸性添加剂;

26. Keywords cyclopentene;glutaric acid;tungstic acid;selective oxidation;catalysis;green chemical process;

环戊烯;戊二酸;钨酸;选择氧化;催化;绿色化工;

27. The submicro W and WC powder can be produced by using of violet tungstic.

用紫钨可以生产出亚微米级的钨粉和碳化钨粉。

28. Keywords methane;catalytic oxidation;molybdate;tungstic oxide;carbon monoxide;carbon dioxide;methanol;formaldehyde;catalyst;

甲烷;催化氧化;钼酸盐;氧化钨;一氧化碳;二氧化碳;甲醇;甲醛;催化剂;

29. Effect of tungstic electrode argon arc hardening parameters on microstructure and mechanical properties of boron cast iron surface was investigated.

研究了钨极氩弧扫描速度对硼铸铁表面硬化效果的影响规律。

30. Keywords phosphato tungstic acid;p hydroxybenzoale;catalysis;esterification;

磷钨酸;对羟基苯甲酸酯;催化;酯化;

31. phosphomolybdium tungstic acid

磷钼钨酸

32. Keywords Rare earth;Molybdate acid;tungstic acid;8-Hydroxyquinoline;antibacterial;anticancer;K562;

稀土;钼酸;钨酸;8-羟基喹啉;抗菌剂;K562;癌细胞凋亡;

33. Keywords White powdery tungstic acid （WPTA）;Polyvinyl alcohol;Decatungstic acid;Stability;Photochromism;

粉状白钨酸;聚乙烯醇;十聚钨酸;稳定性;光致变色;

34. Keywords White powdery tungstic acid（WPTA）;Hydrogen peroxide;Disaggregation;Potassium peroxytungstates;

粉状白钨酸;过氧化氢;解聚;过氧钨酸钾;

35. Tungstic acid peroxide

过氧化钨酸

36. Is suitable in tungstic electrode welding rod weldings and so on argon arc welding and diameter 1.0- diameter 6 acidity, alkalinity, stainless steel.

适用于钨极氩弧焊及直径1.0-直径6的酸性、碱性、不锈钢等焊条焊接。

37. tungstic catalysts

钨催化剂

38. tungstic ocher

钨华 钨赭石

39. Progress in analytical methods for impurities in tungsten and tungstic compounds

钨及其化合物中杂质元素分析方法进展

40. Recent progress in analytical methods for impurity elements in tungsten and tungstic compounds

钨及其化合物中杂质元素的分析进展

41. Keywords tungsten powder;tungstic violet oxide;hydrogen reduction;

钨粉;紫色氧化钨;氢还原;

42. tungstic anhydride

钨酐 钨酸酐

43. tungstic anhydrid

钨酐

44. tungstic acid

钨酸

45. Keywords tungstic acid;monodisperse;nanoparticles;UV-irradiation method;

钨酸;单分散;纳米颗粒;紫外辐照法;

46. tungstic acid gel

钨酸凝胶

47. Keywords tungstic acids gels;washing and centrifuging;microporous;specific surface area;photocatalytic;rare earths;

钨酸凝胶;超声洗涤;离心;微孔;比表面积;光催化;稀土;

48. A salt of tungstic acid.

钨酸盐钨酸的盐

49. Keywords tungstic acid gel;orthorhombic tungsten oxide hydrate;hexag onal tungsten oxide;monoclinic tungsten oxide;

钨酸胶体;斜方晶钨氧水合物;六方晶钨氧化合物;单斜晶钨氧化合物;

50. tungstic acid anhydride

钨酸酐

51. Keywords molybdic acid;tungstic acid;tungstates;ultraviolet spectroscopy.;

钼酸;钨酸;钨酸盐;紫外光谱学;