Methods:The Comparison method by naked eyes, UV Spectrophotometry and Colourimetry methods in ChP 2005 were used.
方法：采用《中国药典》2005版附录收载的目视比较法、紫外分光光度法、色差计法进行测定。
The basic principle, analysing method and application result of quick determining of soil moisture by colourimetry are discussed in this paper.
本文主要论述用比色法速测土壤水分的原理，分析方法和应用效果。
The basic principle, analysing method and application result of quick determining of soil moisture by colourimetry are discussed in this paper.
本文主要论述用比色法速测土壤水分的原理，分析方法和应用效果。
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