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determination of dyes
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  “determination of dyes”译为未确定词的双语例句
     Quantitative Determination of Dyes on the Fibres with Coefficient Multiple Derivative UV-VIS Spectrophotometry(CMDS)
     系数倍率导数光谱法定量测定纤维上染料
短句来源
     The Determination of Dyes in the Eosin-Inks by Three-Wavelength Spectrophotometric Methods
     三波长分光光度法测定曙红墨水中的染料
短句来源
     A Partial Least-square Regression Method for the Simultaneous Spectrophotometric Determination of Dyes in Wastewater
     偏最小二乘吸光光度法测定混合染料浓度
短句来源
     Determination of Dyes in Cosmetic by High Performance Liquid Chromatography
     高效液相色谱法测定化妆品中的染料
短句来源
     Non-destructive determination of dyes on fibers by fluorescent spectrophotometry
     荧光分光光度法无损检验纤维上的染料
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  相似匹配句对
     Determination of DO
     水中溶解氧的测定
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     DETERMINATION
     决心(英文)
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     Determination
     决心
短句来源
     The method for the determination of Sudan dyes in foods
     食品中苏丹红染料的检测方法高效液相色谱法
短句来源
     The determination of sudan dyes in foods by HPLC-Mass
     液相色谱-质谱联用测定食品中的苏丹红染料
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  determination of dyes
Spectrophotometric determination of dyes in ε-polycaproamide resin and Capron fibre
      
A procedure for the qualitative and quantitative determination of dyes after thin-layer chromatographic separation is developed using an example of five synthetic food colors: Brilliant Blue, Tartrazine, Sunset Yellow, Ponceau 4R, and Azorubine.
      


Photochemical fluorimetric methods for the determination of Azo-dyes, Amaranth (AM) and Direct Sun-resisting Light Yellow(DY) are described. A differential rate method is uesd for resolution of mixtures of these dyes. The principle of these methods are discussed. Linear calibration curves are obtained over the ranges of 0-220 ng/mL and 0-120 ng/mL for AM and DY, respectively (r= 0.999 for both), the limits of determination are 0.64 ng/mL AM and 0. 045 ng/mL DY. The relative standard deviation...

Photochemical fluorimetric methods for the determination of Azo-dyes, Amaranth (AM) and Direct Sun-resisting Light Yellow(DY) are described. A differential rate method is uesd for resolution of mixtures of these dyes. The principle of these methods are discussed. Linear calibration curves are obtained over the ranges of 0-220 ng/mL and 0-120 ng/mL for AM and DY, respectively (r= 0.999 for both), the limits of determination are 0.64 ng/mL AM and 0. 045 ng/mL DY. The relative standard deviation is 1. 6%(n=8) and 1. 8%(n = 7) for AM and DY, respectively, these methods have been applied to the determination of dye-mixtures with satisfactory results.

以光化学荧光衍生化法测定苋菜红(AM)和直接耐晒嫩黄5GL(DY)2种偶氮色素,研究了同时测定这2种色素混合物的光化学速差动力学荧光分析的原理和方法。AM和DY的浓度分别在0~220ng/mL和0~120ng/mL范围内呈良好的线性关系,相关系数皆为0.999,检出限为0.64ng/mL AM和0.045ng/mL DY。相对标准偏差分别为1.6%(n=8)和1.8%(n=7)。该法用于人工合成混合样品的测定效果良好。

The determination of Disperse Yellow RGFL, Disperse Brown 2RL and Disperse Red S-BWFL on coloured Dacron fibres by coefficient multiple derivative spectrophotometry is described. Overlapping of the absorption peaks of the three dyes is serious.The mutual interference can be completely eliminated by this method without preliminary separation.The determined ratio of the dye concentrations agreed well with the ratio in the formulation. The method is accurate,reliable,simple,fask and applicable to the determination...

The determination of Disperse Yellow RGFL, Disperse Brown 2RL and Disperse Red S-BWFL on coloured Dacron fibres by coefficient multiple derivative spectrophotometry is described. Overlapping of the absorption peaks of the three dyes is serious.The mutual interference can be completely eliminated by this method without preliminary separation.The determined ratio of the dye concentrations agreed well with the ratio in the formulation. The method is accurate,reliable,simple,fask and applicable to the determination of dyes on fibres.

本文介绍了用系数倍率导数光谱法同时测定黄棕色涤纶上的分散黄RGFL、分散棕2RL、分散红S-BWFL的配比。这三种染料吸收峰重叠大,用该法可以完全消除彼此的干扰而不用分离,测得三种染料的配比与工艺配方中的比例一致,结果准确、可靠、回收率较好。这个方法操作简便、快速、可用于纤维上染料的测定。

The partial least-square regression(PLS)and the CPA-matrix methods have been used for the simultaneous spectrophotometric determination of dyes in waste waters, Both methods gave consistent results for the determination of dyes in four-component dye mixtures.

用偏最小二乘(PLS)及阻尼因子矩阵(CPA)吸光光度法测定混合染料浓度,两种方法所得结果相一致,用于测定四元混合染料中单一染料,结果较为满意。

 
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