A new method for the determination of trace chromium in copper and copper alloy by enhancing effect-flame atomic absorption spectrometry with derivative technique is pro - posed.
提出了增感效应导数火焰原子吸收光谱测定金属铜和铜合金中微量铬的新方法。
The derivative technique has been used to investigate the fluorescence characteristics of chlorophyll in vivo among leaves of higher plants and its significance of biology has been discussed.
本文首次采用导数技术于植物叶片的活体叶绿素荧光性质研究，探讨了其生物学意义。
In the technique of fusion on night vision images, reformative algorithms of false color fusion on LLL and IR images and a series of derivative algorithms are put forward.
在夜视图像融合技术方面，提出了微光图像和红外图像假彩色融合的改进算法，并探索研究出一系列衍生算法。
Conclusion the formulation and preparation technique are rational and the quality is easy to handle by the method of second derivative spectrometry.
结论制剂处方及制备工艺合理，二阶导数光谱法重现性好，适于该制剂的质量控制。
Conclusion the formulation and preparation technique are rational and the quality is easy to handle by the method of second derivative spectrometry.
结论制剂处方及制备工艺合理，二阶导数光谱法重现性好，适于该制剂的质量控制。
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