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单词 rheobase
释义

rheobase /'riːəʊbeɪs/

英汉-汉英词典
n. [生理]基强度(指足以引起刺激的最小电流强度)
词组 | 习惯用语
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  • rhubarb n. 大黄;大黄的叶柄;激烈的争论
  • rhombus n. 菱形;斜方形
  • seborrhea 皮脂溢
rheobase n. 基强度(指足以引起刺激的最小电流强度)

网络短语:
rheobase e 基强度
英语百科

Rheobase

Fig. 1 - Rheobase and chronaxie are points defined on the strength-duration curve for stimulus of an excitable tissue.

Rheobase is a measure of membrane excitability. In neuroscience, rheobase is the minimal current amplitude of infinite duration (in a practical sense, about 300 milliseconds) that results in the depolarization threshold of the cell membranes being reached, such as an action potential or the contraction of a muscle. In Greek, the root "rhe" translates to current or flow, and "basi" means bottom or foundation: thus the rheobase is the minimum current that will produce an action potential or muscle contraction.

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更新时间:2025/6/24 22:38:33