大电流
- large current;heavy current
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裂解炉非连续大电流的功率测量
Power Measurement of Discontinuous Heavy Current in Cracking Furnace
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提出了一种基于DSP的免损大电流开关电源拓扑结构。
Proposes a topological structure of loss-free heavy current switching power supply based on DSP .
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一种高压大电流快速CMOS驱动器
A High Voltage / Large-Current , Fast CMOS Driver
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大电流长脉宽LD激光器驱动电源的研制
Design of diode laser driver with strong current and long pulse width
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SF6气体中大电流过零后弧道的介电恢复特性
Dielectric Strength Recovery Characteristics Post-zero of High Current in SF_6
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论文通过对全波整流输出电路与其他副边整流电路的比较,得出采用全波整流电路特别适合隔离型低压、大电流输出的DC/DC变换器的结论。
Compared to the other second-side rectifier , it is concluded that the full-wave Rectifier is well adapted to the Low-voltage High-current DC-DC converter .
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超高速半导体开关RSD的开通机理与大电流特性研究
Study on Turn-on Mechanism and High-Current Characteristics of High-Speed Semiconductor Switch RSD
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一种新的低压大电流DC-DC变换器的研究
Research of a Novel Low-Voltage and High-Current DC-DC Convertor
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电流密度增加,充电效率几乎没有变化,说明α-Ni(OH)2电极的大电流性能很好。
And it changes slightly with the increase of current density , which shows that high current density property of α Ni ( OH ) 2 is good .
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磁控大电流MAG焊的磁头优化及应用研究
Optimization and application of magnetically controlled MAG welding process
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适用于大电流的SiGe基区HBT的电流和频率特性的解析模型
Modeling of SiGe-Base HBT at High Current Densities and Its Effects on High Frequency Performance
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室温脉冲螺旋Wiggler磁体和大电流脉冲电源的研究
The Research on Room Temperature Solenoid Wiggler and Large Pulsed Current Source
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本文针对基极电阻随电流变化的实验事实,根据基区电导调制效应,提出了工作在大电流密度水平时,基极电阻RB(IB)的理论模型;
A theoretical model is presented to determine the current dependence of base resistance RB ( IB ) of bipolar transistor at high current , based on the effect of base conductivity modulation .
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使用具有大电流放电性能的MOS器件构成的ESD电路,以及采用周密的版图布局布线技术,可实现良好的ESD保护性能。
Combined with careful routing and placement in the layout design , good ESD protection capability can be realized .
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通过实验,筛选出具有杂环结构的表面活性物质B和无机氧化物A联合使用,可以提高铅酸蓄电池大电流放电时的正极容量8%~15%,而且寿命还可以延长7%。
The joint utilization of inorganic compound A and surface activation agent B can improve the positive electrode capacity of heavy current discharge and the cycle life by 8 % ~ 15 % and 7 % respectively .
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同时还对大电流下I-V特性偏离幂函数关系的行为进行了讨论。
A deviation of I-V curves from the power law behavior in higher currents is presented and discussed .
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以LED作光源、PIN作接收、火石玻璃为磁感应材料、多模光纤作导光波导的混合型大电流光纤传感器,用于监视高压电网系统中的电流。
The hybrid large current fiber sensor consists of a LED as light sourse , PIN as light receiver , flint glass as magnetic inductor and multimode fiber as light conductor .
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低压大电流VDMOS器件栅电荷测量
Gate Charge Test for Low Voltage High Current Power VDMOS
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伴随PTC元件的大电流与小型化,对低阻PTC陶瓷材料的需求甚为迫切。
With development of PTC thermistors having large current rating and their miniaturization PTC Ceramic materials with low resistivity are in urgent need .
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隔离型半桥低压大电流VRM标准拓扑研究
Research on Isolated Half Bridge VRM Topology with Low Voltage High Current Output
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使用透射电镜、能谱、电子衍射等微观分析手段,对脉冲大电流冲击后的ZnO非线性电阻I-V特性蜕变现象进行了研究。
The high-energy impulse degradation of ZnO nonlinear resistors is studied by transmission electronic microscopy in conjunction with X-ray diffractometry and energy dispersive X-ray analysis .
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采用功率MOSFET取代普通二极管或肖特基二极管的同步整流技术,可以使低压大电流变换器的效率得到极大的提高。
Applying the synchronous rectifier technology in which MOSFET replaces common diodes or schottky diodes can increase the efficiency of low-voltage , great-current transformer .
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现代科技的发展要求蓄电池具有快速充放能力,镍电极活性材料Ni(OH)2的表面改性可以有效改善MHNi电池的大电流充放电性能。
The large current charge / discharge property of Ni MH battery can be improved by the surface modification of active material Ni ( OH ) 2 for nickel electrode effectively .
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100A直流大电流标准及检定系统
100 A DC high current standard and verification system
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探讨大电流MAG焊焊缝金属的冲击韧性.对在4种不同工艺条件下运用大电流MAG焊得到的焊缝金属进行低温冲击试验。
Impact tests of four kinds of weld metals with high current MAG welding were carried out at low temperature .
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AC,DC以及AC/DC大电流比较仪都具有高精度,线性特性好,低漂移等特点。
All kinds of comparators including ac 、 dc and ac / dc comparators possess the notable performance of high accuracy , low drift , high linearity , and good immunity to extend magnetic fields .
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OPGW断股机理是:大电流闪击电弧造成>1k°C的局部熔融区,紧跟持续电流扩展熔融区造成高温熔断,多次雷电冲击可造成多处熔伤和溅伤累积。
The mechanism of breaking is that firstly arc formed by instant high current causes partial melting zone , and at last the following several lightning impulses cause more melting .
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典型的BoostZVT-PWM电路的主开关管实现了软通断,但辅助管仍然是在大电流下关断。
In a typical Boost ZVT-PWM circuit , the main switch achieves soft switching with the auxiliary switch turned off under output circuits .
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半烧结KR-SC镉镍蓄电池大电流(10C)放电性能研究
Improvement on high rate ( 10C ) discharge performance for KR SC Ni Cd battery
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电化学测试表明,增加适当Mg含量和进行退火热处理能明显提高和改善合金电极容量、循环稳定性和大电流放电性能。
The electrochemical analyses show that the electrochemical properties of the alloy , such as activation , capacity , cycling stability and discharge ability at different current density , are well improved by supplementing proper Mg and annealing heat treatment .