direct current造句
91. The porous alumina film prepared by anodization of aluminum in chromic acid under constant voltage and direct current can absorb infared wave.
92. Railway applications - Rolling stock - Combined testing - Part 2: chopper - fed direct current traction motors and their control.
93. This paper presents the method of design and parameter optimizing in a phase-locked controller, which is used in high-speed brushless direct current motor (BLDCM) speed control.
94. The method of testing insulation resistance based on asymmetric electric resistance bridge for direct current (DC) distribution system is proposed.
95. At the same time the main control system has been described detailedly, which includes the control of the taboret's step motor and the main shaft's direct current machine, also their gang control.
96. The too high impact direct current high pressure may reduce the resistance of trouble point too fast, even turn into a metalline earthing trouble, thus bring the trouble to appointed work.
97. The earth point faults of direct current feed lines are localized with testing of leak current.
98. According to the direct current component of the generalized instantaneous power flowing into the two-terminal network, magnetizing inrush and internal fault can be distinguished.
99. An excitation control circuit tor direct current drive system of large power shovel has been designed.
100. The investigation of the measure principles of Direct Current Attenuation Method, Voltage Integral Method, and Direct Load Method.
101. Because of their higher dielectric constant, they are particularly suitable for use as an impregnant for low voltage, direct current, and impulse capacitors.
102. The history of top drive drilling system from direct current drive to variable - frequency drive is introduced.
103. The invention is used for measuring the distribution of the space charges in the high-voltage direct current power equipment insulation in the temperature gradient field.
104. The direct current type heating is a brand-new heating mode and has the advantages of low cost, high heat efficiency, low space irradiation and safe heating.
105. Some certain errors are existing for analyzing the sinusoidal signal of fundamental harmonic, non-integral harmonic and the decay quantity signal of direct current.
106. The hot carrier effects(HCE) in MOSFET are studied in this paper. Based on MOSFET lifetime model of direct current, we present MOSFET lifetime model of dynamic stress.
107. Direct current injection technique as a subsitute of high intensity radiated field test can be applied to EMC test.
108. The design principle and specific process of the pulse width servo amplifier is introduced, which is used to drive direct current motor to work.
109. The polarographic behavior of iodoacetic acid has been studied by using single sweep polarography, direct current polarography and cyclic voltammetry.
110. The phenomenon of a pulsating direct current in demonstrative experiment of hand alternator is founded and the reasonable explanation is presented.
111. The reasons why reverse current protection is not necessary in rectifiers of direct current traction substation are described.
112. In this article, An application of PLC on 110V direct current Voltage control circuit is introduced.
113. When direct current (DC) voltage is applied to water tree degraded cable, space charges will be formed in water tree.
114. The measuring of self-inductance coefficient by means of direct current bridge method has reduced the difficult and improved the precision of measuring.
115. It must be set up suitable quiescent point in order to works in linear region. This decides that the analysis of amplifier includes direct current analysis and alternating current analysis.
116. The brushless direct current motor used in magnetic suspending flywheel features a structure of large air and small ratio of length to diameter.
117. In the control system, the SIMOREG K 6RA24 full digital direct current cascade control unit has been successfully applied to the internal feedback, digital,[www.] cascade control system.
118. Moreover, an improved method is proposed for the phase current reconfiguration on the basis of the direct current circuit.
119. Security - constraints are the direct current ( DC ) capacities of transmission lines.
120. Change the electric circuit of transducer generally from commutate , the middle direct current link, go against to change and control 4 part constitute.
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