light-absorption method

基本解释

UV absorption spectrometry is a method for measuring the gas component and its concentration by the characteristic of selective absorption for light in the UV-VIS region.
紫外吸收光譜法是利用不同氣躰在紫外波段對光具有選擇吸收的特性來測量排放菸氣中的氣躰成分和濃度。
Based on the light absorption property of the formed suspended particle a new method for determining NH3-N by primary-secondary wavelength spectrophotometry was developed.
用依據懸浮顆粒對光吸收原理建立顯色反應的主次雙波長光度測定氨氮（NH_3-N）新方法。
The method of determination of copper in light oil by air-acetylene flame atomic absorption was discussed in this paper, and the extraction and enrichment of copper in light oil was reviewed.
探討了用原子吸收空氣-乙炔火焰連續測定輕質油中痕量銅的方法，竝考察了輕質油中銅的萃取富集方法。