1) differential PAS
导数光声光谱
1.
In the last part, the differential PAStechnique, which combines the PAS technique with the differential spectrum, overcomes the defect from the two techniques, making it has the both adva.
第三部分提出导数光声光谱技术，将光声光谱技术和导数光谱结合起来，使导数光声光谱技术同时具有光声光谱技术的可适用于强散射，非透明的样品测量和导数光谱可分辨重叠光谱，分辨肩峰的优点，又克服各自的缺点。
2) Derivative spectrum
导数光谱
1.
After measuring some spectral curves of typical plants a-round Dexing copper mine by spectroradiometer and estimating the position of red edge from hyperspectral data by derivative spectrum technology,it is show that the red edge of plant shifts from originally red to shorter blue.
用成像光谱仪野外测试江西德兴铜矿区典型植被的冠层反射波谱曲线,利用导数光谱评价植被“红边”位置。
2.
The derivative spectrum technique has been widely applied to spectral analysis due to its high resolution and sensitivity.
开发了一种双光束双波长导数光谱技术,在物理上实现了光谱求导。
3.
Based on the work of air radiation simulation using MODTRAN, the possibility to remove atmospheric effects was analyzed, and the concept on atmospheric windows of derivative spectrum was introduced, too.
通过在珠江口水域进行的多个航次的水质与光谱测量,对水体船基现场光谱测量的技术要求进行了探讨,分析了该海区的水质、高光谱特征及其之间的联系,对导数光谱去除水面菲涅耳反射效应的原因进行了探讨;利用MODTRAN大气辐射传输模型的模拟结果等数据,分析了导数光谱去除大气效应的可行性,提出了导数光谱大气窗口的概念;并最终基于导数光谱建立了珠江口水质高光谱反演的模式。
3) Derivative Spectrophotometry
导数光谱
1.
Application of Derivative Spectrophotometry in Resolving Two-Dimension Data;
导数光谱在二维联用数据解析中的应用
2.
In order to simplify the determination of chemical oxygen demand(COD) of pulping effluent using the conventional methods,a high-speed derivative spectrophotometry-chemometrics method is proposed.
针对传统化学需氧量(COD)检测方法较为繁琐的问题,文中提出了导数光谱-化学计量学方法来快速测定制浆废水COD。
3.
Determination of Remainder Carbendazim-Pesticide in Apple by Derivative Spectrophotometry;
本文利用四阶导数光谱法消除杂质干扰,研究了酸度对多菌灵导数光谱的影响;它在0-25微克/5毫升范围呈线性关系;拟定了苹果样中该农药残留量的测定方法。
4) Derivative spectra
导数光谱
1.
0 nm were collected from 500 nm to 620 nm,the second derivative spectra were obtained by calculating date of fluorescence spectra.
分析了白鼠肝纤维化病变过程中血清荧光光谱的二阶导数光谱。
2.
The purpose of our experiment was to investigate the quantitative relationships between derivative spectral parameters and photosynthetic organ area.
运用导数光谱分析技术,研究了不同氮肥水平下不同品种油菜(Brassica napus)的叶面积指数(Leaf area index,LAI)及角果皮面积指数(Pod area index,PAI)与冠层导数光谱及其衍生参数的定量关系。
6) Derivative Spectrum
导数光谱法
1.
Method for determination of Natamycin in yoghourt by Derivative Spectrum;
导数光谱法测定酸奶中的纳他霉素
补充资料：光声光谱
分子式：
CAS号：
性质：基于光声效应的一种谱学技术。光声光谱由微音器或压电检测器测得的声信号对激发波长或其他与调制激发光子能量相关的量作图得到。检测固体、液体和气体材料。试样置于密封光声池中，以一束强度被调制到与某一声频相适应的单色光进行照射。试样吸收光能后，其分子被激发到高能级。然后以无辐射返回基态，激发能转为热能，引起光声池中的压力波动，由微音器监测。可用于试样无损检测。
CAS号：
性质：基于光声效应的一种谱学技术。光声光谱由微音器或压电检测器测得的声信号对激发波长或其他与调制激发光子能量相关的量作图得到。检测固体、液体和气体材料。试样置于密封光声池中，以一束强度被调制到与某一声频相适应的单色光进行照射。试样吸收光能后，其分子被激发到高能级。然后以无辐射返回基态，激发能转为热能，引起光声池中的压力波动，由微音器监测。可用于试样无损检测。
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