熵指数（Entropy index，简称E指数，也有人称为因托比指数）
ObjectiveThe research aims to compare the differences between entropy and bispectral indexes on monitoring the depth of anaesthesia for the elderly patients during the target-controlled infusion (TCI) of propofol general anesthesia.
目的:研究脑电双频指数和熵指数在老年患者硬膜外复合丙泊酚靶控静脉全麻中麻醉深度监测的可行性、准确性,并比较其优越性。
参考来源 - 脑电双频指数和熵指数监测老年患者麻醉深度的比较研究·2,447,543篇论文数据，部分数据来源于NoteExpress
目的评价熵指数监测麻醉深度与反映伤害性刺激的效应。
Objective To investigate the efficacy of spectral entropy measurement in reflection of depth of anesthesia and noxious stimulation.
本文介绍了一种简单的利用简谐振动现象测量气体的定熵指数的方法。
This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation.
作者还应用热力学中的“熵值判别法”提出了“煤层气体突出熵指数”，作为判断煤层气体的突出倾向性。
The author also applies the entropy discrimination of thermo-dynamics to outburst of coal-seam gases and presents "Outburst index of coal-seam gases" for predicting proneness of outburst.
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