Activities of Aminopyrine N-demethylase, Ethoxycoumarin O-deethylase and Glutathione S-transferase in the hepatopancreas and gills of Fenneropenaeus chinensis were measured by UV spectrophotometry and fluorospectrophotometry. The effects on the activities of APND and ECOD69人人操人人爱、GST in the hepatopancreas and gills were studied following multi-oral baicalin.

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In this article, the effect of matrix on the intensity of RRS is analyzed theoretically based on the matrix negative absorption effect; the effect of pH is analyzed based on the conditional stability constant which is assayed by spectrophotometry; and MG and CV are analyzed qualitatively and quantitatively through detecting the intensity of RRS by the fluorescence spectrophotometer synchronously scanning.

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Sodium periodate photometric method and flame atomic absorption spectrometric method.

錳含量的測定。高碘酸鈉分光光度法和火焰原子吸收分光光度法

By taking a plan grating as a beam splitter and a spherical mirror as an imaging objective,the splitting system realizes a spectral plane and a small spectral band(＜42%),which is conductive to the signal receiving by a CCD detector.

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In the separating-light system, the concave grating is drove by the step-in electrical machine to separate spectrum signal in the range of visible light.

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METHODS: We counted M. vaccae by UV spectrophotometry, wet weight measurement and plate count method, and built up two standard curves. One was drawn according to the results of UV spectrophotometry to plate count and the other was humid weight to plate count.

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The contents of Mn, Cu, Fe, Zn in the leave, flower, seed of Impatiens balsamina induced by space flight are determined by flame atomic absorption spectrometry. The measure parameters for FAAS are optimized.

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In this paper,the authors compared extraction spectrophotometric method with gravimetric method in the determination of naphthenic acid in oil refining sewage,and found that the former method is better than the latter both in precision and operation.

討論了萃取分光光度法測定煉油污水中環(huán)烷酸含量的測定條件和干擾因素并與重量法進行了比較色播网址，萃取分光光度法的精確度比重量法高而操作比重量法簡單。

Spectrophotometric curves: Curve showing the quality of a colour produced by the use of a spectrophotometer.

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