Objective to explore the effect of low constant direct current (LCDC) in the medullary cavity on repairing of rabbit radial defect as to evaluate its clinical value.

目的探讨髄腔内恒定低压直流电刺激对家兔桡骨缺损的修复作用及其临床应用价值。

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This article introduces a method of direct usage of voltage source as a power for Hall element instead of constant current system.

本文介绍一种不用恒流源而直接用电压源为霍尔元件供电的方法。

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Because of their higher dielectric constant, they are particularly suitable for use as an impregnant for low voltage, direct current, and impulse capacitors.

因其介电常数较高，特别适用于作低压、直流、脉冲电容器浸渍剂。

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