• The IL - 6 produced in the central nerve system probably played an important role in initiating the acute reactive phase following severe traumatic brain injury.

    中枢神经系统产生IL-6创伤的急性反应可能起到始动作

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  • In the technology maturation phase, Raytheon's jammer will be developed and tested to ensure spectral precision, power, reactive speed and directivity.

    技术成熟阶段雷神干扰机进行研发测试确保频谱精度功率反应速度定向能力

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  • In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.

    论文提出三相并联型有源滤波器两种新的控制方法,即正弦波化控制瞬时无功功率的控制方法

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  • This paper presents four-phase transmission harmonic current detecting method based on instantaneous reactive power theory.

    该文提出了基于瞬时无功功率理论的四相输电谐波电流检测方法

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  • This complex phase material was compounded through reactive sintering.

    反应烧结合成材料

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  • In this paper, based on the orthogonality of sine function, a detection approach of generalized reactive current suitable for both the single phase and three phase active power filters is presented.

    本文根据正弦函数正交特性,提出了一种适用单相适用于三相有源电力滤波器广义无功电流检测方法

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  • It measures excess phase of voltage current by using digital circuit, Based on the reactive compensation theorem, the software hardware of the controller is deigned.

    控制器采用数字检测电路来获取电网电压电流相位差无功补偿原理出发,设计控制器软硬件

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  • This is an acute phase reactant, the concentration of which in serum varies in a very similar manner to that C-reactive protein.

    一个急性反应物血清中的浓度变化与C反应蛋白类似

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  • And the transformer can carried out the analysis and calculation of harmonic, phase discrimination, power factor, active and reactive power together with PC.

    互感器PC机配合完成电力系统谐波分析相、功率因数有功、无功率的分析计算

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  • In order to overcome the disadvantage of the single phase passing zero control in the reactive power compensation device, fuzzy control is put forward in this paper.

    针对目前无补偿装置采用单相投切方法存在缺点本文提出采用模糊控制的方法。

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  • Barium carbonate nanoparticle powder is produced by liquid-liquid phase reactive precipitation in a Rotating Packed Bed (RPB) from industrial refined barium chloride and ammonium bicarbonate.

    工业精制氯化碳酸氢铵为原料,旋转填充采用液—液相反应沉淀法合成碳酸钡纳米粉体

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  • How to deal with three-phase unbalance compensation and how to filter the low-order harmonics, especially the2nd-order, are the two difficulties for reactive power compensation.

    补偿难点在于如何补偿三相不平衡以及如何有效地低次谐波尤其是2次谐波。

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  • It can delicer leading current with the current exchange in coupling reactor and the controlling of the switch on off phase angle in order to compensate lagging reactive power.

    通过耦合电感间开关器件相位角控制,使其输出超前电压的电流补偿电网中常见的感性无

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  • In ac power network, the way of phase-shifting capacitors to compensate reactive power loss is always adopted to raise network power factor.

    交流电网中,常常采用移相电容器补偿无功功率损耗方法提高网络的功率因数

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  • The analysis indicates that large turbine-generator leading phase operation can improve the reactive power load distribution and the quality of power supply effectively.

    试验分析表明机组发电机进运行有效改善电网无潮流分布,提高电网供电质量

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  • Several issues of power quality are presented, including harmonics, reactive power, three phase unbalance, large difference between peak load and vale load, voltage disturbance and so on.

    第一章简单介绍了目前电网存在几种问题包括谐波问题、无问题、三相不平衡问题、用电峰过大的问题以及电压异常、断电问题

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  • The coating with high bond strength was synthesized by means of treatment of the gradient liquid phase sintering or medium temperature reactive sintering.

    通过梯度液相烧结反应烧结处理热喷涂层具有很高结合强度

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  • The three-phase voltage source converter can absorb and Issue continuously adjustable reactive power, based on reactive power compensator.

    基于三相电压变流器的无功率补偿装置可以吸收发出连续可调无功功率。

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  • This paper based on the orthogonality of sine, presents an approach to the detection of harmonic and reactive currents suitable for single-phase circuits.

    根据正弦函数正交特性提出了一种单相电路谐波无功电流检测方法

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  • A two-phase optimization method of multi-period reactive power and voltage control was proposed to confine the action times of control devices.

    为减少无电压控制设备动作次数,提出种多时段无功电压控制两阶段优化方法

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  • A new approach to real time detection of harmonic and reactive currents for single-phase circuit was proposed.

    提出一种新的单相电路谐波无功电流实时检测方法

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  • How to define instantaneous reactive current and reactive power in three-phase non-sinusoidal asymmetrical systems is still a concerned problem by academia.

    如何定义三相系统的瞬时电流、瞬时无功功率一直学术界关心问题

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  • The operating status of three-phase three-wire HAPF(Hybrid Active Power Filter) in harmonic suppression and reactive power compensation for variable-frequency motor are introduced.

    介绍了三相三线制混合型有源电力滤波器变频调速电动机谐波治理补偿方面的运行情况

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  • Two kinds of main circuit configuration and integrative voltage reactive power control scheme for balancing compensation with single phase STATCOM are proposed.

    提出了采用单相statcom实现平衡补偿电路结构电压综合控制方法

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  • A new harmonic detection way based on the single-three phase method and instantaneous reactive power theory was adopted to detect single-phase power system.

    采用了单相-三相构造瞬时理论谐波检测方法检测单相系统。

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  • The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.

    通用瞬时功率理论为基础,阐述了电压不对称正弦条件时有功和无功电流的物理意义。

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  • In accordance with the feature of three phase unbalanced loads, this article describes the correction principle of reactive power and the control system of single board computer.

    本文针对三相不平衡负载特点介绍了无功率补偿原理板机控制系统

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  • The composite material according to the invention comprises a reactive ceramic phase based on tricalcium phosphate and an organic phase comprising a polyvinyl alcohol hydrogel.

    发明复合材料包含基于磷酸三钙的活性陶瓷相和其中含有聚乙烯醇水凝胶的有机

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  • The composite material according to the invention comprises a reactive ceramic phase based on tricalcium phosphate and an organic phase comprising a polyvinyl alcohol hydrogel.

    发明复合材料包含基于磷酸三钙的活性陶瓷相和其中含有聚乙烯醇水凝胶的有机

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