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首页> 外文期刊>Review of Scientific Instruments >Apparatus for volume measurement by helium expansion measured with a temperature‐compensated, differential tensimeter having symmetrical design
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Apparatus for volume measurement by helium expansion measured with a temperature‐compensated, differential tensimeter having symmetrical design

机译:通过具有对称设计的温度补偿式差示张力计测量氦膨胀进行体积测量的设备

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摘要

An apparatus is described which permits the accurate determination of the volume of solids by helium expansion. The apparatus consists of a differential micromanometer whose two arms are connected to a pair of sample and reference burets of nearly equal volume for helium expansion into sample and reference cells also of nearly equal volume. The volume of solids of 20 cm3 or smaller can be measured with an accuracy on the order of 0.0005 cm3.
机译:所描述的设备允许通过氦膨胀来精确地确定固体的体积。该设备由一个差分微压力计组成,该微压计的两个臂连接到一对体积近似相等的样品和参比滴定管,以使氦气膨胀成体积也近似相等的样品和参比池。可以以0.0005 cm3的精度测量20 cm3或更小的固体体积。

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