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91) The sensing error can be improved by sampling instant modulation for DCM DC - DC flyback converters. 92) The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology. 93) The DC capacitor will not be used in across - the - line circuit. 94) Because in U-I model flux observation pure integration element is adopted, it brings about two problems of DC drift error and initial integration error. 95) Recently, while at Dulles Airport near Washington DC, my emotions moved from excitement to deja vu. 96) Square wave AC, or switched DC, power sources are particularly attractive for welding aluminium. 97) The scheme of adopting the capacitor connected in series with transformer neutral to block DC current is used to the transformer neutral DC current blocking device for No. 98) Whereafter, grain size trends analysis with a series of DC (from 100 m to 1000 m) adopted were carried out on the origin data of irregular sampling grid and the interpolated data of regular grid. 99) The paper introduces the basic cause of the sparkless space dispersion for DC motor with the wide adjustable speed ratio, and gives the control methods of projects. 100) In this paper, WO3 thin film was deposited on glass substrate and silicon slice by DC reactive magnetron sputtering and using metal tungsten as target. 101) Selection of the DC location is a multiattribute decision-making problem. 102) Because leakage inductance value of rectiformer used in DC EAF is larger than common power transformer, the rectifier has longer commutation time. 103) At first, it designs the rectifier part of the DC 600 V power supply. 104) The watermarking information that is stochastically permuted and coded by LDPC is embedded in the modified DC components which are attained by integer transform twice. 105) Advanced DC - DC power supply circuits, the original vehicle head lamps power system optimization. 106) To jumpstart development of these standards, the American Type Culture Collection (ATCC) convened the Expert Panel on the Development of Standards for Biodefense in Washington, DC, in early April. 107) Study on the Joint Deformation and the Interface Contaminant Ejection Rate in DC Upset Butt Welding. 108) The range of bias DC is determined according to the measuring data of earthing neutrals DC of transformer, and the influences of DC magnetic bias on transformer are studied. 109) A nulling circuit adds an adjustable DC voltage, positive or negative, to the output of the instrumentation amplifier to compensate for initial bridge offset. 110) However, to take full advantage of the expensive rare earth magnets, simply replacing the alnico magnets by rare earth ones in traditional magnetic structures of dc torque motors is not adequate. 111) This paper introduced the characteristics and parameter selection of DC filter capacitor used in HVDC transmission system. 112) The analytical expressions of the electromagnetic field generated by the DC electric dipole in the upper space for the two-layer mode were obtained by using the method of mirror image. 113) The hardware design of four-phase brushless DC motor open-loop control system based on TMS320LF2407A DSP was introduced in this paper, the realizable methods of software were explained in detail. 114) The controller of the DC motor speed adjusting system is developed, which is based on ITAE optimum control theory combined with PI control. 115) In this paper, it described a resolution of PWM timing device controlled by MCU, which can device DC motor of small power. Designing ideas(?)construction and works of circuit are expanded in detail. 116) The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a (DC) voltage of up to 100 kilovolts across a gap. 117) Gynura bicolor DC. , which originates in China, is one of vegetables grown for its edible young immature leaves and stems. 118) The reasons of DC offset and clock feed-through are analyzed, and pertaining solutions are brought out according to given application conditions. Two kinds of comparators are designed in this paper. 119) In this study We discussed when dc and ac is to be separately pass through linear inductance coil, what energy of magnetic field is storage in it. 120) Special PLC , digital DC diving and intelligent operation unit are used for controlling. The computer control of extension rate is realized.