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State that ,for a parallel circuit, the current from the source is larger than the current in each branch

能够说明并联电路里的总电流是大于任一分电路电流的。

The analysis results show that PAPF is effective for parallel resonance damping, but can not damp series resonance when capacitor current is not included in the detecting current. And when capacitor current is included in the detecting current, PAPF is prone to be unstable and can not damp parallel and series resonance.

分析表明,由于无功补偿电容器的影响,传统控制策略下的PAPF对系统谐振的抑制效果不理想,同时当检测的负载电流中包括无功补偿电容器电流时,系统还有可能出现不稳定的现象。

The mathematics model of parallel system with load current feed forward is deduced, which proves that the equivalent transfer function of parallel system is similar to that of the single inverter.

通过分布在各模块中的平均电路,对各模块的电流给定信号进行平均后产生共享的电流基准信号,由此实现负载均分。

The repetitive control is introduced for current control of active power filter to eliminate the steady state periodic error.

针对有源电力滤波器的被控电流为周期变化的正弦量,提出引入重复控制对有源电力滤波器电流进行控制,以减小系统的稳态误差。

In constant torque region, the phase-independent direct torque control can be obtained by controlling the motor current of each phase without resort to vector transformation.

在恒功率运行时,本文采用相电流相位超前反电势的方法,利用绕组电抗电势削弱反电势来解决电流控制失效的问题,有效扩展了高速运行范围。

Phenothiazine 100μmol/L decreased about 40% of I〓 tail current elicited by depolarization shorter than 500msec, but only 30% of I〓 tail was inhibited during depolarization longer than 1000msec.

在短于500msec,+60mV的去极化时,100μmol/L酚噻嗪使约40%I〓尾电流下降,而在长于1000msec的相同膜电位水平去极化时,相同浓度的酚噻嗪只能使30%的I〓尾电流受到抑制。

The second experiment is to fabricate white light LED from red and green phosphors pumped by blue light LED. The blue light LED we used in our experiment has the wavelength range between 450 and 452.5 nm, and the chip size is 17 mil *14 mil. There are two kinds white light LED we fabricated in the experiment. There are three blue light LED chips bonded in single package of both kinds package. The different of the both packages is mixed phosphor of encapsulation. One of the experimental devices was encapsulated YAG phosphor mixed silicone to fabricate white light. The other is red and green phosphor mixed encapsulation. The compared and focused parameter was luminous efficiency. YAG phosphor pumped white light has the luminous efficiency 72 lm/W, CRI 70, CIE(0.32, 0.33), CCT 5622°K at the operating current 60mA. On another hand, red and green phosphor pumped white light LED has the luminous efficiency 55 lm/W, CRI 90, CIE(0.31, 0.32), CCT 6479°K at the operating current 60mA. We fabricated the red and green phosphor pumped white light LED, and proved that it could has much higher CRI under similar compared conditions, CIE xy and CCT.

第二个实验是使用蓝光LED晶粒来制作白光元件,蓝光LED晶粒波段范围在450 ~ 452.5 nm,晶粒大小为17*14 mil,以三颗蓝光LED晶粒搭配YAG萤光粉(黄绿光 540 nm)制成白光元件,再以另外三颗蓝光LED晶粒搭配红色萤光粉(613 nm)混合绿色萤光粉(519 nm)制成的白光元件进行发光效率比较;搭配YAG萤光粉的白光元件在注入60 mA的电流时所量测到最大的发光效率是在72 lm/W,演色性数值大约为70,CIE色度座标为(0.32, 0.33),色温是在5622 °K;而搭配红色萤光粉混合绿色萤光粉的白光元件在注入60 mA的电流时,最大的发光效率在55 lm/W,演色性数值大约为90,CIE色度座标为(0.31, 0.32),色温在6479 °K;证明了蓝光LED晶粒搭配红色萤光粉混合绿色萤光的白光元件演色性指数可以高达90 以上的结果。

It is shown as a photocell amplifier in the following section.

运算放大器使用指南电流——电压转换电路的用途不限于电流的测量上,还可以用在例如后面的光电池放大电路中。

Dark current, photocurrent, and spectral responsivity were measured.

对器件的暗电流、光电流和光谱响应进行了测量。

In particuler, for the first time, a rigorous method of calibrating the phase-shift of modulated photocurrent has been presented.

其中首次对调制光电流相移分析技术提出了一种严格校准调制光电流相移的方法。

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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。

If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.

如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。