An ion channel is a protein that lets charged particles enter or leave a cell to generate electrical signals, a basic process of nerve cell communication.

离子通道是可以让带电粒子进入或离开细胞，产生电信号的一类蛋白，是神经细胞交流的基础。

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The most popular model of sublight drive is the basic Hoersch-Kessel ion drive.

最常用的亚光速推进器型号是初级霍雷斯-科舍尔离子推进器。

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The basic Principle, test procedure and application in industrial water treatment of an ion-stick electrostatic water treating device are described in the paper.

文中介绍了离子棒静电水处理器的基本原理、试验过程及在工业水处理中的应用状况。

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Among them: I-Stat, owned by Abbott Laboratories (nyse: ABT - news - people ), which makes a handheld device for basic chemistry that uses so-called ion-selective membranes, and Cholestech (nasdaq: CTEC - news - people ), which has a lipids testing machine and relies on a glucometerlike optical reflection technology.

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