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本文介绍了利用文杜里管测水中气核谱时文杜里管喉部直径对量测结果的影响,对比了各种测量小型文杜里管喉部直径的方法,从而提供了一种精度高达10~(-4)厘米的无接触的量测法——光学聚焦法。应用此法,在气核谱的量测上取得了良好的效果。
This article describes the effect of Venturi tube throat diameter on the measurement results using Venturi plumbing for gas-water spectrometry and compares various methods of measuring the throat diameter of small Venturi tubes to provide an accuracy Non-contact measurement up to 10 - (-4) cm - Optical focusing method. Application of this method, the gas nuclear spectrum measurements achieved good results.