方法进行反应温度和时间对砷铈反应速率及测定吸光度影响的化学动力学实验分析。
Methods Experimental chemical kinetics study was conducted to determine the influence of reacting temperature and time on As3 + - Ce4 + reacting rate and to measure the absorbance.
以百里酚的次溴酸钠溶液为显色剂,用正丁醇萃取显色产物,以分光光度计比色测定有机相的吸光度值。
Using thymol-sodium hypobromite as chromogenic reagent, and extracting the colour formed with butanol, a spectrophotometric method for the determination of arginine in fermentation broth was studied.
研究硝酸银吸光光度法测定高纯二氧化锗中痕量砷的新方法。
A new method in which trace arsenic in high-purity germanium dioxide is determined using silver nitrate absorption photometry is described in this discussion.
本文试用高吸光度差示法对部分磷肥样品含磷量进行了测定,并与经典方法作了对照试验,结果非常一致。
High absorbance spectrophotometry was used for the determination of phosphorus in chemical fertilizer samples. The experimental results obtained were in good agreement with those by classical methods.
本文从碘量法、吸光光度法、化学分析法、离子选择电极法出发,评述了酱油中碘含量测定方法的研究现状。
A review is presented on the determination of micro amounts of iodine in iodinated sauce with iodometry, absorption spectrophotometry, chemiluminescence analysis, ion selective electrode analysis.
结果表明:此方法对于吸光度具有加合性的混合体系中单一组分含量的测定,准确度良好。
The result showed that the accuracy of this method was good for determining multiple component mixtures.
结果表明,这些体系均存在空白液吸光度很低、工作液吸光度较高的较大的波长区间,是分光光度分析法中理想的测定体系;
The results show that the determination system is within the scope of widen wave length with low absorbency in blank solution and high absorbency in working solution.
吸光度比值k系数法是一种可以同时测定多元混合组分的新的分光光度法。
Absorbance ratio K-factor spectrophotometry is a new method to determine mixed components system.
本文就单组份红外光谱快速定量,吸光度的测定采用基线法。
This paper describes a method of measuring peak-height with a computer program for single component quantitative analysis in infrared spectroscopy.
通过透射电镜观察、动态光散射测定、紫外吸光度测定等手段分析胶束的微观形态、粒径大小和载药量、测定了载药胶束的体外释药速率。
Microscopic morphology, diameter and drug-loaded amount of the micelles were examined by means of TEM, DLS and UV respectively, and their in vitro drug release rates were measured.
方法采用分光光度法测定培养液最大吸收波长处吸光度的改变,确定染料的脱色率及降解率。
The efficiencies of decolorization and degradation were demonstrated by the changes of absorbance at maximum wavelength in culture liquid spectrophotometrically.
吗啉在高温下将六价铬还原为三价铬,通过测定三价铬离子的吸光度,计算出锅炉给水中吗啉含量。
Hexavalent chrome is reduced to trivalent chrome by morpholine under high temperature conditions. Then morpholine content is calculated by detecting the absorbance of trivalent chromic ion.
本文利用722型分光光度计测定磷酸盐标准使用液经显色后吸光度随时间的变化,探讨钼锑抗分光光度法测定水中磷酸盐的最佳分光时间。
This paper discussed the best analysis time of Phosphorus in water by determining the absorption of the colorful liquid of phosphorus using Model 722-Spectrometer.
用吸光光度法直接测定了硫酸盐镀锡液中2 -萘酚的含量。
Naphthol in sulphate plating solution of tin can be straightly determined by absorption spectrophotometry.
以OP为增感剂,钼的吸光度增感37.5%,从而提高测定低含量钼的灵敏度。
The absorbency of molybdenum was sensibilized 37.5% by the sensitizing agent OP, so the sensitivity of determined molybdenum is improved.
方法:用吸光度法测定10名牙槽嵴较为低平的无牙颌患者未使用粘附剂时的咀嚼效能。
Methods: 10 edentulous patients with complete dentures whose alveolar ridges were low or flat were selected for this study.
结果表明,对于低吸光度样品的测定,该法较普通分光光度法准确。
The results showed that the analytical precision and accuracy of the method were better than those obtained with the conventional method for low absorbance samples.
对4元素的测定时,吸光度与浓度之间呈良好线性关系,所求得的线性回归方程及其相关系数可作佐证。
Good linearity were obtained for all the 4 elements, as shown by their regression equations and correlation coefficients.
这个实验采用转篮法,对五个时间点的样品进行吸光度测定,并且设计了空白对照和标准对照。
Methods: we adopted the rolling basket method to measure absorption degree of 5 samples, blank control and standard control.
选用全脂奶粉作为粉状食品模型,利用schall烘箱法,通过测定丙二醛吸光度值、过氧化值、荧光光谱及荧光强度的变化,对麦胚多肽的抗氧化活性进行研究。
Whole milk powder was used as a powder food model to evaluate the antioxidant effect of wheat germ peptides by the method of SCHALL oven.
方法:对来自不同产地的十二个样品进行测定,采用苯酚—硫酸法,测定茯苓聚糖吸光度。
Method: the colorimetric method of phenol and sulfuric acid was used to determine the absorbance of Pachman. Result: 12 samples from different producing areas were determined.
利用蛋清液、明胶、蛋白酶等对酿造酱油的二次沉淀进行澄清试验,利用紫外分光光度法对处理后的酱油吸光度值进行了测定。
The effects of egg white solution, gelatin and protein enzyme on clarification of the second precipitation in brewed soy sauce were investigated through L9(34) orthogonal experiment.
利用蛋清液、明胶、蛋白酶等对酿造酱油的二次沉淀进行澄清试验,利用紫外分光光度法对处理后的酱油吸光度值进行了测定。
The effects of egg white solution, gelatin and protein enzyme on clarification of the second precipitation in brewed soy sauce were investigated through L9(34) orthogonal experiment.
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