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In applications where high impedances and very low currents are involved a guard ring may be used to minimize the effects of low insulation resistance.

保护环用在那些高阻抗或电流非常微弱的电路中，用于减轻因绝缘电阻不够高而产生的问题。

AIM: To investigate the effects of platelet activating factor on the action potential and potassium currents in guinea-pig ventricular myocytes.

目的：研究血小板活化因子对豚鼠心室肌细胞钾电流及动作电位的影响。

If f=0, the forced currents of the direct gyre are stronger and the gyre has a cold core.

如果f=0，风应力激发出的直接涡旋流更强，但均为冷性涡旋。

Though often co-mingled, wave power is distinct from the diurnal flux of tidal power and the steady gyre of ocean currents.

虽然常常易混淆，但海浪能与潮汐力的每日涨落变化和海洋流稳定的环流是不同的。

The plastic -- most of it swept from coastal cities in Asia and California -- is trapped indefinitely in the region by the North Pacific Gyre , a vortex of currents that circulate clockwise around the ocean.

这些塑料大部分是从加利福尼亚和亚洲的沿海城市卷过来的，被顺时针的大环流--北太平洋环流系统永久地困在这一区域。

The turn speed is measured with an external hall probe and the oscilloscope, this give me a precise measurement, for instance when I insert an 6mm aluminum sheet I can see on the scope the pulse periode increased quickly, this shows that the speed of the motor drops also quickly due to the eddy currents induced in the aluminum sheet.....

转速度是衡量一个外部霍尔探头和示波器，这给我一个精确的测量，例如，当我插入一个6mm的铝板，我可以看到的范围脉搏 periode迅速上升，这表明速度电机也下降很快，由于涡电流致该铝板。。。。。。

Currents of warm air keep the hang- glider s aloft.

悬挂式滑翔机藉着暖气流在高空飞行。

A novel compensating method is provided utilizing the stator currents decoupling and the linearization of the angle interval of current vectors.Based on the performance index of voltage utilization ratio, total harmonic distortion, switching loss and etc, various PWM methods have been introduced.

本文详细分析了逆变器输出的非线性特性及影响因素，重点对零电流夹断现象及其机理进行深入的研究，针对电流过零区间的非线性畸变提出了利用定子电流解耦以及电流矢量角度区间线性化的补偿方法。

It floats, it flows about her starborn flesh and loose it streams, emerald, sapphire, mauve and heliotrope, sustained on currents of the cold interstellar wind, winding, coiling, simply swirling, writhing in the skies a mysterious writing till, after a myriad metamorphoses of symbol, it blazes, Alpha, a ruby and triangled sign upon the forehead of Taurus.

面纱在伊那星宿所生之肌肤周围飘扬，融为鲜绿、天蓝、紫红与淡紫色，任凭穿过星际刮来之阵阵冷风摆布，翻腾、卷曲，回旋，在天空中婉蜒移动，写出神秘字迹。其表象经过轮回之千变万化，成为金牛座额上之一颗红宝石，三角形标记阿尔法，熠熠发光。

It floats, it flows about her starborn flesh and loose it streams emerald, sapphire, mauve and heliotrope, sustained on currents of cold interstellar wind, winding, coiling, simply swirling, writhing in the skies a mysterious writing till after a myriad metamorphoses of symbol, it blazes, Alpha, a ruby and triangled sign upon the forehead of Taurus.

面纱在伊那星宿所生之肌肤周围飘扬，融为鲜绿、天蓝、紫红与淡紫色，任凭穿过星际刮来之阵阵冷风摆布，翻腾、卷曲，回旋，在天空中婉蜒移动，写出神秘字迹。其表象经过轮回之千变万化，成为金牛座额上之一颗红宝石，三角形标记阿尔法[246]，熠熠发光。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。