Many methods for photometric analysis of aluminium were described.
介绍了光度法分析铝的一些方法；
METHODS By combinaton of complexing dissolution, solvent extraction and photometric measurement, the amount of salicylic acid was first obtained and then converted to the content of copper salicylate.
方法通过络合溶解、溶剂萃取、光度法测量的联用，测定水杨酸的量，再换算成水杨酸铜的含量。
Recently various new reagents and detection methods were used to the photometric detection of niobium.
近年来各种新试剂、新方法的不断涌现，使铌的光度分析有了新的进展。
The main contents of standard "Nighttime Photometric Performance and Test Methods of Retro-reflective Pedestrian Markings", are the test principium, points and steps of the retro-reflective markings.
国标《行人反光标识夜间光度性能及测试方法》的主要内容包括行人反光标识夜间光度性能的测试原理、测试要点和测试步骤。
However, there is less method on how to solve the calibration on large complex screen. We summarize recent popular methods on the geometry calibration and photometric calibration.
对于如何在复杂显示表面，例如异型屏幕、大规模异型屏幕上面如何进行图像校正，相关的工作还比较少。
However, there is less method on how to solve the calibration on large complex screen. We summarize recent popular methods on the geometry calibration and photometric calibration.
对于如何在复杂显示表面，例如异型屏幕、大规模异型屏幕上面如何进行图像校正，相关的工作还比较少。
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