ring current

Ions are mainly injected to ring current region in a pattern of adiabatic drift motion driving by enhanced convection electric field during magnetic storms.

离子主要受磁暴期间的对流电场的作用，通过漂移的方式注入到环电流区。

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Ions are injected from the magnetotail to the ring current region in a dispersionless mode most probably by enhanced convective electric field that driven by steady southward interplanetary magnetic field ( IMF).

离子通量的变化大体上是无色散的。离子主要受南向行星际磁场（IMF）所引起的对流电场的驱动注入到环电流区域。

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First, we changed the ring-electrode structure of the tradition VCSEL into the "double ring cruciform" electrode structure, to make the new electrode access to the inside of the light-hole, so that improved the uniform injection current.

首先，我们将传统的圆环电极结构VCSEL改良双圆环十字型电极结构，使电极接入到出光孔内部，从而使得VCSEL的电流注入均匀。

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This paper expatiates a suit of software and hardware design for displacement test of ring valve to piston compressor, and dissertates the principle and structure of the eddy current displacement sensor for ring valve.

介绍了一套活塞式压缩机环状阀阀片位移检测系统的软、硬件设计以及阀片位移检测用电涡流位移传感器的原理和结构。在线计算实时精度，系统不必标定，大大简化了检测过程。

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Three chips of microcomputer are used to perform three different functions, the first for dual PID controller in voltage and current loops, the second for pulse-triggered circuit in the thyristor converter and the third for the nonlinear function generation and ring counter in the inverter.

三片单片机分别实现电压与电流反馈环中的数字PID调节器，晶闸管变流器的脉冲触发电路，以及非线性函数发生器和脉冲环形分配器。

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Energetic Ions Flux Distribution Properties of the Earth's Ring Current Region

环电流区能量离子分布特性研究

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The mechanism of acceleration of ring current during a substorm of magnetosphere

磁层亚暴时环电流的局部加速机制

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The article proposed the split-ring direct current manostat based on the switch type AC-DC transformation.

文章基于开关式AC -DC 变换提出了开环直流稳压器.

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Monito ring of JHE magnetospheric ring current by using magnetic variation field at middle and low latitudes

用中低纬度变化磁场监测磁层环电流强度

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Those with higher energy are more difficult to access the ring current region.

能量越高的离子更不容易进入到环电流区域。

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The stronger the storm is the lower the particle injection is and the larger flux of ENA is emitted from the ring current region.

磁暴越强烈，注入区高度越低，环电流区观测到的ENA通量越高；

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We have numerically analyzed the single-model operation condition of the half-ring cavity laser and influence of the half-ring cavity structure on bending loss and threshold current density has been obtained.

数值分析了半环形激光器的单模工作条件，同时模拟分析了半环形结构对弯曲损耗及阈值电流密度的影响。

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During weak or moderate storms ( Kp 5), for ions with energy higher than 40 keV a flux hole is presented at the dawn-side, indicating the convective electric field is not strong enough to inject such ions to ring current region.

弱磁扰或中等磁扰（Kp5）时较高能量的（40keV）离子的通量在在晨侧出现通量空洞，说明此时的对流电场不足以将该能量范围的离子注入到环电流区。

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