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31. The air quantity to appropriately increase the charging, accelerate combustion rate and improve grey layer thickness and oxidation layer temperature and gasification agent preheating temperature.

32. The optimal length of preheating zone and economical preheated air temperature are discussed in detail.

33. It is shown that with adjusted ignition angle of advance, larger compression ratio and appropriate preheating of the mixture, better fuel economy can be achieved.

34. There are four phases and dozens of parameters in preheating flash butt welding technology used for great section workpiece's welding.

35. The main influence factors of corn stalk combustion in a fixed bed are corn stalk length, air preheating, the primary air flow rate and fuel moisture.

36. However, the preheating temperature should not be too high, so as to avoid matrix effects of surface oxidation and surface coating and the substrate bonding strength.

37. Preheating to remove oil, grease, mill scale, water, and ice may be used provided the pipe is preheated in a uniform manner to avoid distorting the pipe.

38. Oven consist of two zone, preheating, solidify zone, and with high speed hot air recirculation system.

39. Then current through C 1, RT forms the return circuit preheating filament.

40. The technological scheme of the utility model: the device consists of three parts: a preheating pan of constant temperature oil, a vacuum electric frying pan and a vacuum air extractor.

41. NJU automatic controllers used for the preheating boiler and converter unit of diesel locomotive are developed for the replacement of the similar equipment in V_(1003) and V_(100) diesel locomotives.

42. The invention discloses a unilateral air draft process of kiln process chain grate preheating section for making oxidized pellet.

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43. The technology of high temperature preheating and high temperature and long campaign life hot blast stove had been adopted during the Shougang's No. 2 BF technology rebuild design.

44. A furnace with preheating equipment for water vapor is developed for surface oxidation treatment of hot work dies. This type furnace is successfully used in industry.

45. The results of the simulation indicate:compared with cyclone in other domain, the secondary flow of the preheating cyclone with pentagonal inlet and three core volute structure is relatively weaker.

46. The simulated results showed that by preheating the inlet air, natural gas can realize the self-ignite in the separated chamber and burn quickly.

47. Quick, stable and uniform preheating of GMT sheets could be achieved by contact heating, but the tackiness of the matrix material on heating plates was a big problem.

48. It is put forward that, diamond nucleation amount can be controlled by controlling the growth of recrystallized graphite during the preheating period.

49. Abstract: An antifreezing ventilation system at winter in a gold mine is designed by use of the earth temperature preheating technology.

50. The results show that using HTG-1 electrode may effectively decrease welding cold crack sensitivity of the steel, and the sensitivity to cold crack decreases as preheating temperature increases.

51. Discharge lamp designed to start without preheating of the electrodes , for example'TL'S fluorescent lamp.

52. The result indicates that the evacuating flux and the size of the firebox are the two main factors affecting the preheating temperature.

53. The problem of longer ignition delay for hydrocarbon fuel can be effectively solved by means of preheating fuel by shock waves and using hot gas as pilot.

54. Condensate from the first - effect calandria is used for preheating the feed.

55. Generally speaking, to delay the preheating time, we should select the relatively lower resistance, taller Tc point and bigger PTC Thermistor.

56. With preheating SHS technology, by using preset detonator, the ignition apparatus in SHS reaction equipment can be cancelled, thus realizing industrial continous production.

57. Simulates specific subjects by using MATLAB and SIMULINK, the error of prediction in preheating time falls into the expected range.

58. Good weldability, suitable for resistance welding, preheating before welding required, be tempering after welding.

59. The effect of top tightener, material and preheating temperature for the side dam on the process stability and the strip surface quality was mainly investigated.

60. The computational results show that the ring coke bed is the best method of the coke preheating which has the least thermal stress in the cathode when anodes are arranged averagely.