Its structure was confirmed by spectral data and chemical method.
通过光谱数据和化学方法确定了它的结构。
A method for transfering spectral data from NICOLET FTIR to IBM-PC is reported.
报道了一种将NICOLETFTIR光谱文件向IBM - PC系列微机传送的方法。
Their structures were identified on the basis of spectral data and TLC comparison.
应用光谱法和对照TLC鉴定了所有化合物的结构。
The theory of quantitative remote sensing is based on the spectral data of object.
地物波谱数据是定量遥感的理论基础。
It was identified to be swainsonine by physicochemical properties and spectral data analyses.
经理化常数测定和波谱分析鉴定为苦马豆素。
The chemical structures were (identified) by physicochemical properties and spectral data analysis.
并通过理化数据测定及波谱分析,鉴定化合物结构。
First, the thesis discusses Compton scattering energy spectral data simulation using Monte Carlo Method.
首先,本文讨论了康普顿散射能谱的蒙特卡罗模拟方法。
Classification of mass spectra of toxic compounds is based on the numerical features derived from spectral data.
有毒化合物质谱分类是以光谱数据的数值特性为基础的。
The third step is changing the look-up table data into MODIS spectral data using MODIS channel response function.
第三步利用MODIS的通道响应函数,把查找表光谱数据变换成MODIS波段反射率。
In a statistical sense, the alteration anomaly of remote sensing hyper (multi -) spectral data set is identifiable.
在统计意义上蚀变异常在遥感高(多)光谱数据集合中是可识别的。
Different spectral data preprocessing methods and spectral regions have influences on the performance of model established.
不同光谱数据预处理方法和谱区范围,影响建立定量分析模型的质量。
A fast and simple method has been proposed to determine peak value in the spectral data, based on the inverse table permutation.
基于排列的逆序数,提出了一种判别谱测量数据中峰值的快速而简捷的方法。
To compare arithmetic performance, the authors also processed the spectral data with partial least squares and PCA-BP neural network.
为了比较算法的性能,作者又分别采用了偏最小二乘法、主成分分析结合BP神经网络进行数据处理。
The components were separated and identified by gas chromatography mass spectrometry and elucidated on the standard mass spectral data.
以气质联用对化学组分进行分离和鉴定,通过标准图谱对照确定化合物名称。
The integrated information of 3d position and spectral data can be acquired simultaneously with the airborne 3d remote sensing technology.
利用机载三维遥感技术能够同步获取三维位置和光谱数据的一体化信息。
Methods: Column chromatography was used in the isolation procedure. The structures of isolated compounds were elucidated by spectral data.
方法:柱色谱法分离其成分,利用光谱数据确定其化学结构。
CONCLUSION Compounds 2, 3, 5, 8 and 9 were isolated from this plant for the first time. Their structures were identified by spectral data.
结论生物碱2、3、5、8、9为首次从该植物中分离得到,应用光谱法鉴定了所有化合物的结构。
In data processing, the wavelet analysis was used for the differential spectral data, so the noise was reduced and the precision of analysis was improved.
在数据处理过程中,对微分光谱数据进行了小波去噪处理,使信噪比得到了增加,从而使分析精度得到了改善。
Using the principle of multi-resolution analysis, we decompose a set of original spectral data into the blurring signal part and the sharpening signal part.
利用子波变换的多尺度分析原理,将原始光谱数据分解成集中源信号绝大部分能量的模糊信号和反映源信号变化特性的锐化信号。
Methods to isolate the constituents by reverse phase chromatography, and characterize their structures by the analysis of chemical property and spectral data.
方法利用反相层析的方法进行分离纯化,根据化合物的化学性质与光谱数据鉴定其结构。
Based on UV spectral data and fluorescence spectral data, the effect of different substituents on spectral properties of the three days was presented and discussed.
根据紫外可见光谱和荧光光谱的数据,分析了不同取代基对其光谱性质的影响。
Spectral data sources of sandy land included single surface feature and composite surface feature, and their spectral data were measured by different sampling methods.
沙化土地光谱数据源分为单一地物类型级和复合地物类型级两种,野外测量时分别采取不同的采样方法。
METHODS The volatile oils were extracted with steam distillation. The components were separated and identified by GC MS and elucidated on the standard mass spectral data.
方法以水蒸汽蒸馏法提取挥发油,分别得到不同样品的挥发油,以气相色谱质谱联用(GC MS)联用技术对其化学成分进行分离和鉴定。
METHODS the compounds were isolated by acid and alkali treatment and column chromatography, and the structures are identified by physicochemical properties and spectral data.
方法利用酸碱处理及硅胶柱色谱进行分离,通过理化性质和波谱数据鉴定结构。
It is very necessary to extract spectrum feature and compress spectral data, that is, a large spectrum dataset can be represented by the linear combination of some eigenvectors.
所以,对光谱数据进行特征提取、实现数据压缩是非常必要的,即将一个大光谱数据集表示为几个特征矢量的线性组合。
This paper presents several methods of rationally rejecting and replacing the disturbed data when we measure time variable data and spectral data, according to their characteristics.
根据时变数据和谱数据的特点,提出了时变数据和谱数据测量中干扰数据合理剔除与取代的几种方法。
The pattern recognition technology of the mineral oil has been researched. It aims to extract the data which can reflect the intrinsic characteristic of the mineral oil from the spectral data.
研究矿物油种类模式识别技术,从三维光谱数据中提取、选择能够反映油种本征特征的光谱数据。
The probability based matching(PBM) search on mass spectral data not only provides pure samples results (with forward PBM search), but also separates compounds in a mixture (with reversed PBM search).
质谱匹配概率方法不仅能提供纯样品的分析结果,而且也能区分混合物中的成分。
The probability based matching(PBM) search on mass spectral data not only provides pure samples results (with forward PBM search), but also separates compounds in a mixture (with reversed PBM search).
质谱匹配概率方法不仅能提供纯样品的分析结果,而且也能区分混合物中的成分。
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