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31. In acidic system, the solubility of vanadium was reduced because of the exisiting of insoluble vanadium oxide.

32. The testing results and their microstructure show that the one with a higher vanadium content and smaller crystal grain has a high strength.

33. Causticizing mud was used as a roasting additive of sodium chloride for extraction of vanadium pentoxide from stone coal.

34. The main products of the company are No. 1 Class vanadium pentoxide, ammonium metavanadate, Microsilica, fused Quartz, Quartz Glass Tuber and other raw material of quartz in all sizes.

35. In this paper, the melting temperature an region for converter slag with vanadium and titanium oxides has been measured.

36. Theactivity and the number of surface oxygen of a series of vanadium oxide catalysts were studied by TPD equilibrium and TPD/MS technique.

37. However, vanadium steel GFC 1 real situation is very bad.

38. Principles and characteristics of vanadium redox flow battery, a novel energy storage system, were introduced.

39. The invention provides a method for directly extracting vanadium from vanadium - titanium magnetite concentrate.

40. Studies have shown that different vanadium oxide phases are obtained by different methods of vacuum heat treatment.

41. High - quality chrome vanadium steel 50 BV 30 forged, is mainly used for removal of broken screws.

42. The results show that the reaction orders are one for azomethine H and vanadium, respectively, and 1 5 for bromate.

43. The results show that the recovery of vanadium extraction from V-Fe concentrate by sodium roasting and leaching is higher than that by pyrogenic process, and the vanadium leaching rate can be 86.91%.

44. The influence of electrode activation and trace stibium ion, indium ion added into vanadium electrolyte has been discussed.

45. It discusses the influences of temperature, the types of sodium salt, and the adding amounts of sodium salt to extracting vanadium pentoxide from high-silicon low-vanadium vanadium slag.

46. Mineral exploration made important progress in . coal, uranium, iron, gold, silver, copper, nickel, zinc, lead, antimony, tungsten, molybdenum, vanadium, kainite and characteristic non-metal .http://sentencedict.com

47. Vanadium alloy, with low radioactivity and high high-temperature strength, is taken as one of the candidate structural materials for fusion reactor blanket.

48. Rechargeable lithium battery; Cathode material; Vanadium oxide; Metal doping; Nanostuctural material; Electrochemistry.

49. Layered mafic intrusions are usually associated with economically important metals such as chromium, nickel, copper, platinum, titanium, iron, vanadium, and tin.

50. Molecular simulation modeling study indicated that vanadium oxides with vanadium of low oxidation number facilitated the conversion of sulfides.

51. Tubular vanadium oxide can be synthesized by adjusting the PH of reaction system, regulating the ratio of reactants and controlling the reaction temperature.

52. My products mainly include vanadium pentoxide, Ferrovanadium, vanadate and coatings.

53. In the second part, the transport measurement of vanadium oxide nanowire is demonstrated and discussed.

54. The effect of different concentrations of vanadium on seed germination, seedling growth and parts of biochemical indexes of two kinds of Oryza sativa L including T259 and J63 were studied.

55. Phosphorus content in zinc phosphate is determined by phosphorus vanadium molybdate yellow colorimetric method.

56. Styrene epoxidation was carried out using styrene as the row material, molecular oxygen as the oxidant, and modified vanadium phosphorus oxide as the catalyst.

57. In this paper, several thin films samples of Vanadium oxide were got by high-frequency Magnetron sputter with pure metal vanadium as sputter source.

58. A method for the determination of micro amounts of vanadium in ferrochromium was presented.

59. The steel ingot mold made of vanadium titanium vermicular graphitic cast iron has the best comprehensive property.

60. Objective To study the effects of Bis (maltolato) oxo vanadium (BMOV) on renal structure of spontaneously hypertensive rats (SHRs) and its mechanism.