1) three-wavelength
三波长
1.
Simultaneous Determination of Fe(Ⅵ)and Fe(Ⅳ)in Ferrate Solution with Three-wavelength and Dual-wavelength Spectrophotometry;
三波长与双波长分光光度法对高铁酸盐溶液中Fe(Ⅵ)和Fe(Ⅳ)的同时测定
2.
The three-wavelength optical interferometric method was presented to measure the thickness of the nano-scale thin film.
给出三波长光干涉测量纳米级薄膜厚度的方法。
3.
A new kind of three-wavelength TEA CO_2 laser is developed,which is formed by three plane-grating cavities overlapped in the space.
成功研制了一种新型具有空间重叠性的平面-光栅腔三波长TEA CO2激光器。
2) three wavelength
三波长
1.
Determination of flavonoids in Kuding tea by three wavelength spectrophotometry;
三波长分光光度法测定苦丁茶中的黄酮
2.
In this article, The principle, technical characteristics and various of applied technical problems in the determination of mineral oil in water by infrared photometry are discussed systematically, especially the quantitative principle of multi-radical weighted summation The mathematical model in the oil-determination using three wavelength infrared spectrographic is put forwar
系统讨论了红外光度法测定水中矿物油的原理、技术特性及应用中的种种技术问题 ,着重探讨了多基团带权重累加法定量原理 ,并推导了三波长红外光谱法测油数学模型。
3) three wavelength spectrophotometry
三波长法
1.
The method of microwave pretreatment is adopted to find the factors that affect the different extraction processes of Flos Lonicerae,and the three wavelength spectrophotometry is applied to measure the content of chlorogenic acid.
采用微波预处理法对金银花中绿原酸的提取进行优化,用三波长法测定了绿原酸的含量。
4) three-wavelength spectrophotometry
三波长法
1.
3% (n= 6) and that of glyoxal by three-wavelength spectrophotometry is 96.
利用醛基的成肟反应,用双波长法、三波长法同时测定乙醛酸、乙二醛的含量。
6) tri-wavelength model
"三波长"模型
补充资料:三波长分光光度法
分子式:
CAS号:
性质:在紫外-可见分光光度法中,对多组分的混合物进行定量的一种方法。本法中选定的三个波长在干扰物质的吸收光谱上应为一条直线。在三波长处分别测定混合物的吸光度A1、A2、A3,根据相似三角形的等比特性,可得下式:Eλ1、Eλ2、Eλ3分别为待测组分在三个波长处的吸光系数,L为光程,Cx为待测组分浓度。m=λ2-λ3,n=λ1-λ2,可见△A只与待测组分浓度有关。本法可有效消除干扰组分对待测组分测定的干扰,尤其适用于浑浊样品分析。但三波长选择及结果计算较为费时。目前已有些紫外仪器装备了专用程序,自动完成三波长法的运算。
CAS号:
性质:在紫外-可见分光光度法中,对多组分的混合物进行定量的一种方法。本法中选定的三个波长在干扰物质的吸收光谱上应为一条直线。在三波长处分别测定混合物的吸光度A1、A2、A3,根据相似三角形的等比特性,可得下式:Eλ1、Eλ2、Eλ3分别为待测组分在三个波长处的吸光系数,L为光程,Cx为待测组分浓度。m=λ2-λ3,n=λ1-λ2,可见△A只与待测组分浓度有关。本法可有效消除干扰组分对待测组分测定的干扰,尤其适用于浑浊样品分析。但三波长选择及结果计算较为费时。目前已有些紫外仪器装备了专用程序,自动完成三波长法的运算。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条