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31. The current status of refractories of Henan province is introduced, causes of quality fluctuation are analyzed, measures and proposal to further improve refractory quality are offered.

32. By pure savageness high pure magnesium power and 3000KVA fused magnesite to calcined crystal fused magnesite which is a high alkali refractories and have big, chemical is stabilization.

33. The selection of refractories for hot blast stove should be done together by designer, manufacturer and user.

34. This study can help refractories enterprises in south China resolve their problem such as low content tridymite and properties of silica brick for coke oven.

35. Ingot, Aluminium and Foils, Scrap, Stainless Steels, Minerals Minerals and Refractories.

36. Development of refractories for blast furnace was introduced according to the operation conditions of the refractory linings in stack, bottom, hearth, tuyere and trough of blast furnace.

37. Also used for mechanism artificially system sand, highway, railway, water conservancy, airports, architecture, cement, refractories, metallurgy industries production quality stone.

38. This paper mainly introduces how to select additives and ullrafines in developing low-cement and high-strength castable refractories.

39. The family of kyanite minerals-kyanite, sillimanite and andalusite, arc excellent high - temperature swelling type refractories.

40. Recent developments in terms of binding system, new material system, installation method and pre cast shapes of monolithic refractories are introduced together with authors'comments.

41. The characteristics of in-bath smelting reduction furnace and the spotal conditions for refractories in COREX technique have been presented.

42. Currently main products include all kinds of refractories, ferroalloys, minerals and spare parts for metallurgy equipments.

43. It is shown through 3-year application that the castable refractories of furnace top, lining and bottom are excellent without damaged,(sentence dictionary) the hoisting brick can meet the service demand.

44. With international and domestic emission reduction refractories energy, high efficiency, reduce production costs such as market demand, unshaped refractories market demand for rapid development.

45. Usage: Mainly used in the production of fused salt electrorefining aluminium , corundum , enamel , refractories and other alumina chemical products, meanwhile it can also used in paints area.

46. In this paper the characteristic of thermal process of clay castable refractories, the development of PVC expansion crack plate and its installment are introduced.

47. The characteristics of in and the spotal conditions for refractories in COREX technique have been presented.

48. Live Lobsters, Frozen Prawns ( Shrimps ), Frozen Tuna, Dried Sea Cucumber and Shark and Nutsand Refractories.