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血液介电特性的温度依赖性。

Temperature dependence of the dielectric properties of blood.

作者信息

Bielińska I, Terlecki J

出版信息

Folia Histochem Cytobiol. 1985;23(1-2):33-42.

PMID:4043438
Abstract

The aim of the work was to investigate the temperature effect in physiological range on the dielectric properties of a fish (Cyprinus carpio) blood. By applying an empirical non-damaging method and statistical analysis of the dielectric data, it is observed that a heating of carp blood induces an almost linear value variation of the electrical conductivity and permittivity of the intracellular matter of carp red blood cells. The dielectric data, however, reveal anomalous behaviour for conductivity and permittivity of the interior of carp erythrocytes at 23 degrees C and 23 degrees, 37 degrees C, respectively and for both volume fraction and dielectric loss factor tg delta at 30 degrees, 35 degrees, 37 degrees C. For the presented dielectric parameters the temperature coefficient and the Arrhenius activation energy were estimated. Moreover, this work led to conclusion that the changes of the volume fraction of carp erythrocytes induce corresponding variations of the maximum of the dielectric loss factor tg delta determined for a whole blood.

摘要

这项工作的目的是研究生理范围内的温度对鲤鱼血液介电特性的影响。通过应用一种经验性的无损方法并对介电数据进行统计分析,观察到鲤鱼血液受热会导致鲤鱼红细胞内物质的电导率和介电常数几乎呈线性变化。然而,介电数据显示,鲤鱼红细胞内部的电导率和介电常数在23℃以及分别在23℃、37℃时表现出异常行为,并且在30℃、35℃、37℃时,体积分数和介电损耗因子tgδ也表现出异常行为。针对所呈现的介电参数,估算了温度系数和阿伦尼乌斯活化能。此外,这项工作得出的结论是,鲤鱼红细胞体积分数的变化会导致全血介电损耗因子tgδ最大值的相应变化。

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Temperature dependence of the dielectric properties of blood.血液介电特性的温度依赖性。
Folia Histochem Cytobiol. 1985;23(1-2):33-42.
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