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时域反射仪：利用单个探头同时测量土壤含水量和电导率。

Time-domain reflectometry: simultaneous measurement of soil water content and electrical conductivity with a single probe.

出版信息

Science. 1984 Jun 1;224(4652):989-90. doi: 10.1126/science.224.4652.989.

DOI:10.1126/science.224.4652.989
PMID:17731998
Abstract

Two parallel metallic rods were used as a wave guide to measure the dielectric constant and electrical conductivity of soils having different electrical conductivities but the same water content. Measurements showed that the two parameters were sufficiently independent to permit simultaneous determinations of water content and bulk electrical conductivity.

摘要

两根平行的金属棒被用作波导，以测量具有不同电导率但含水量相同的土壤的介电常数和电导率。测量结果表明，这两个参数足够独立，可以同时确定含水量和体电导率。

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