A new method for determining directly trace component in interfering base by absorbance subtraction -second derivative spectrophotometry is proposed.
对利用差谱—二阶导数分光光度法直接测定强干扰基体中微量组分的原理和实验方法进行了探讨。
A new method for determining directly trace component in interfering base by absorbance division-multi-wavelength linear regression spectrophotometry.
提出了用除谱-多波长线性回归分光光度法测定强干扰基体中微量组分的原理和实验方法。
Also the absorbance of nanabacteria was measured by Elisa to know its growth speed indirectly.
使用酶标仪动态检测纳米细菌的吸光度值,间接了解其生长速度。
But, melanin's absorbance falls down so rapidly that by the infrared end of the spectrum its hardly absorbing anything at all.
但是,黑色素的吸光度下降迅速,到光谱红端它几乎什么都不能吸收了。
By statistical analysis to absorbance ratio of group characteristic frequency, it is discovered that the good relative rule consist in the ratio and binder chief properties.
通过基团特征频率吸光度比值的统计分析,发现其比值与粘结剂主要性能之间存在着很好的相关规律。
Low infrared emissivity materials based on hollow particles are prepared by chemical Ni-coated processing, and surface morphology, absorbance, emissivity and infrared radiant energy are characterized.
利用化学镀镍工艺制备空心微珠基红外低发射率材料,对其表面形貌,并重点对其吸收率、发射率和热辐射能等红外性能进行表征。
Absorption spectrum a plot of the absorbance by a substance of radiation at different wavelengths, usually of ultraviolet, visible, of infrared radiation.
吸收光谱:记录物质对不同波长的光,通常是紫外光、可见光或红外光吸收情况的图。
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.
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。
This is accomplished by measuring the absorbance of standard solutions.
这是通过度量标准溶液的吸收度来完成的。
Based on the absorbance data of a group, standard solution, working equation of component was established by linear regression.
根据一组已知浓度混合液的吸光度,经一无线性回归建立组分的工作方程。
The results show that carbon can improve the absorbance of flammable and explosive materials by laser;
研究表明,碳黑对硝胺类易燃易爆材料的激光吸收率有重要影响;
The gold in blister copper sample was pretreated with nitric acid - sulphuric acid to remove copper, digested with aqua , and determined by flame atom absorbance spectrometry.
摘要本文建立了用硝酸硫酸预处理除去大量的铜,王水溶解,火焰原子吸收法测定粗铜中金的分析方法。
The efficiencies of decolorization and degradation were demonstrated by the changes of absorbance at maximum wavelength in culture liquid spectrophotometrically.
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。
Methods: 1148 children's venous blood lead was detected by the method of graphite furnace atom absorbance spectrum.
方法:用石墨炉原子吸收光谱法对1148名儿童进行静脉血血铅检测。
RESULTS The limit test was conducted by comparison of TLC spot size, intensity of fluorescence and UV absorbance, the results are same as original standard.
结果:与对照品斑点大小、荧光强度比较和用吸收度限值控制均可对样品中的巴马汀进行限量检查,结果与原标准一致。
A hybrid microfluidic system produced by coupling a microfabricated glass chip with conventional silica capillary for UV absorbance detection was developed.
提出了一种基于芯片-毛细管复合装置的紫外检测-微流控芯片毛细管电泳分析系统。
Modified EDC method was employed to synthesize the artificial antigen of norfloxacin (nor), which was proved by Ultraviolet absorbance and IR spectra.
采用优化的碳二亚胺法制备诺氟沙星(NOR)人工抗原,紫外扫描和红外光谱图表明人工抗原偶联成功。
The kinetics of the renaturation and reactivation of glucoamylase denatured by guanidine HCl was determined by means of the UV differential absorbance measurement and fluorescence emission spectra.
本文利用荧光、紫外差光谱研究了根霉葡萄糖淀粉酶在盐酸胍变性后的复性、复活动力学。
Sulfamethoxazole, sulfadiazine and Trimethoprim Tablets was determined by an equal absorbance deduction dual-wavelength spectrophotometry with rate of recovery of more than 99%.
用等吸收双波长消去法测定联磺甲氧苄啶片含量的方法,其回收率在99%以上。
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。
Meantime, we obtained multiple-unit gradient program and appropriate absorbance wavelength to measure 15 PAH_s with controlled priority listed by the US EPA.
利用高效液相色谱-紫外检测器测定大气颗粒物中的PAH_s,建立了多元梯度淋洗程序,并选择合适的吸收波长测定出15种美国EPA优先控制的PAH_s。
Objective: Simple Obesity is an disease which have no significant endocrine metabolic disease. It is kind of obesity that fat accumulation caused by more calories absorbance than digestion.
目的:单纯性肥胖为无明显的内分泌—代谢性疾病,是由于热量摄入超过消耗而引起的脂肪堆积过多的肥胖。
After interference correction, the absorbance signal at the NO filter channel is only controlled by the absorption of NO, and the sensitivity of the analyzer is improved greatly.
干扰扣除后,分析仪的一氧化氮滤波通道只反映一氧化氮浓度的变化,系统检测灵敏度得到了很大改善。
Methods The absorbance ratio of 19 roots from Amorpha fruticosa L. and 2 confusion roots were measured by UV spectrometry and used as the evidence of identification.
方法取紫穗槐根19个样品及其2个混淆品,用紫外光谱法测得吸收度比值作为鉴定的依据。
Methods The absorbance ratio of 19 roots from Amorpha fruticosa L. and 2 confusion roots were measured by UV spectrometry and used as the evidence of identification.
方法取紫穗槐根19个样品及其2个混淆品,用紫外光谱法测得吸收度比值作为鉴定的依据。
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