SCR造句
31. The present invention has low trigger voltage of SCR, can adjust freely in corresponding range and has hyperpyrexia breakdown current.
32. The results from the experiments had exhibited that the arc digging action of SCR rectifier is the same as that of DC are welding generator.
33. It is pointed out that the 3-phase zero voltage switch used in the pure resistance circuits is a special case of the 3-phase SCR switches without transients.
34. A energy-saving anti-electric shock AC arc welding machine replaced SCR by contractor in energy-saving switch is advanced.
35. The instruction of Sequence Control Relay ( SCR ) is used as the primary design method to achieve feeding, locating testing and fixing gas lock valve intermitently and in sequence.
36. SCREENER (SCR) - A pre VHS tape, sent to rental stores, and various other places for promotional use.Sentence dictionary
37. RESULTS Extraction of Herba Epimedii reduced elevation of serum concentration of BUN, Scr and renal cortex MDA content induced by gentamicin, and depletion of GSH was also alleviated.
38. Analyzing and calculating for harmonic of SCR and VFD electric drive system provides design basis to program solutions and system optimization of the two system's harmonic suppression.
39. A self-synchronous network together with its forced synchronizer switch for triggering the 3-phase SCR with single triggering signal supply is presented.
40. Conclusions Serum PON-1 activity is lower in patients who need RCR than in patients need SCR or without coronary heart disease, and thus it may be valuable to predict RCR.
41. On the condition without DC power, the SCR could be used to realize dynamic braking.
42. We have studied the method of eliminating the harmonic wave of SCR regulating-speed device a servosystem and increasing its power supply unit' s loading ability when its current is large.
43. Expression of Ang 2 protein had a positive correlation with 24 hUPQ, BUN, Scr, GSI, expression of CoIV protein.
44. Ammonia selective catalytic reduction (SCR) of nitrogen oxide is the only industrialized flue gas DeNOx technology.
45. The selective catalytic reduction (SCR) is an important method in the controlling of NOx.
46. It is described that the advantages of Static-type dynamic wattless power compensation device based on the main drive SCR power supply matching engineering in Heavy Plate Plant in AISC.
47. The SCR invertor equipment is researched and its mathematic models are established in this paper. The ideal wave forms of U_f and I_f are analysed and compared with the wave forms in actual test.
48. SCR reaction takes place on the catalyst surface, the surface area and the micro hole property of the catalyst decide greatly catalytic activity.
49. A circuit to produce phase-locked trigger pulse using waveform converting and phase-locked for SCR shunt-resonant inverter is proposed in this paper.
50. As the step-down transformer has no load when the SCR is turned off, the system is stable during switching.
51. The catalytic reduction consists of selective catalytic reduction(SCR)and non selective catalytic reduction(NSCR).
52. Soft Starters must be rated so that the junction temperature of the SCR does not exceed 125oC.
53. A SCR ( silicon controlled rectifier ) or thyrister can also be substituted for the contactor.
54. Japan Sansha Electric Co. , Ltd. : SCR, three-phase rectifier bridge, Single-phase rectifier bridge, diode modules, single-, two-phase thyristor.
55. This paper puts emphasis on the principle of using microprocessor to control SCR for the adjustment of alternating voltage, and on the hardware system and the flowchart.
56. The adjustment job and the trigger circuits of the SCR welding machine can be greatly simplified by using the software trigging method. The method can be applied to other...
57. To present complete SCR characteristics, we use the load line concept with modulating applied bias to find the holding current.
58. Because of the poor power factor and other concerns regarding a large phase back, multiple tap transformers are recommended even when the control device is a SCR.
59. A experimental device is made with the controller TMS320LF2407A DSP and the power switch SCR. The corresponding software is programmed.
60. Based on this project, a hardware control system of SCR CO_2 gas shield arc welding base on microprocessor MSP430F449 was designed, and debugging had been completed.
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