MEASUREMENT OF THE THERMAL-EXPANSION OF PURE WATER IN THE TEMPERATURE-RANGE 0-DEGREES-C-85-DEGREES-C

被引：27

作者：

TAKENAKA, M

MASUI, R

机构：

[1] National Research Laboratory of Metrology, Tsukuba, Ibaraki 305, 1-1-4, Umezono

来源：

METROLOGIA | 1990年 / 27卷 / 04期

关键词：

D O I：

10.1088/0026-1394/27/4/001

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The thermal expansion of pure water having natural isotopic abundance was determined by the dilatometric method in a temperature range from 0 to 85-degrees-C and under a pressure of 101 325 Pa. The following equation was obtained: [GRAPHICS] where Q(t) is the density of water at temperature t, which is expressed in terms of the ITS-90, and Q(max) the maximum density. The density ratio which the above equation gives is estimated to have an uncertainty of approximately 1 x 10(-6).

引用

页码：165 / 171

页数：7

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