结果:用三维褶合光谱差谱和二维相关系数图谱显示鉴别结果,令人满意。
Results:The results were demonstrated by three-dimensional differential diagram of convolution spectra and match comparison diagram of correlation coefficients.
本文采用数值差分法计算产生各阶导数光谱值。
This paper describes numerical difference methods for generating derivative spectra.
用差热-热重分析、X射线衍射、红外光谱等手段对样品进行表征。
The properties of the product were characterized by thermogravimetry-differential thermal analysis, X-ray diffraction and Fourier infrared transmission spectroscopy.
但SAR图像容易受到相干斑噪声的影响,而光谱图像普遍存在目标与背景对比度差、边缘模糊的缺点。
But SAR image is liable to be affected by speckle noise, while almost spectral image have shortcomings of low contrast between object and background, edge blurring.
用红外光谱和差示扫描量热法(DSC)研究了具有钙钛矿型层结构标题配合物的固-固相变。
The solid-solid phase transitions in the perovskite-type layer title compound have been studied by infrared spectroscopy and DSC method.
用元素分析,电导,磁化率,红外,紫外与可见光谱,差热一热重分析等方法对配合物进行了表征。
These complexes have been characterized by elemental analysis, magnetic susceptibility, molar conductance, IR and UV-Vis spectra, differential thermal analysis and thermogravimetry.
介绍了二级光谱的基本原理,给出了波差法设计复消色差物镜的方程组。
The principle of secondary spectrum is introduced and the equations of designing apochromatism objective lens based on wave aberration are presented.
SANOA长光程差分吸收光谱监测系统,适用于空气自动监测子站SO 2、NO2的测量。
SANOA long-path differential optical absorption spectroscopy system is used to monitoring SO2, NO2 concentration in air automatic monitoring sub-station.
本文利用红外光谱法、热重法及示差扫描量热法研究了夹心型钼磷酸盐的红外光谱特征和热稳定性。
In this paper, the feature of infrared spectra and thermostability of sandwich like molybdophosphates have been studied by IR and TGA-DSC method.
差分光学吸收光谱法已经变成了测量大气中微量气体浓度常用的方法。
Differential optical absorption spectroscopy has become a widely used method to measure trace gases in the atmosphere.
差分光学吸收光谱法(DOAS)已经成为测量大气中微量气体浓度广泛应用的方法。
Differential optical absorption spectroscopy (DOAS) has become a widely used method to measure trace gases in the atmosphere.
用遥感技术进行植物评估可与光谱植被指数联系起来,如规一化差分植被指数NDVI。
Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).
基于甲烷气体的红外光谱吸收特性,研究了长光程差分吸收式甲烷气体检测的方法。
Based on the infrared spectrum absorption characterization of methane gas, the long optical distance differential absorption method for methane detection is studied.
用漫反射差示红外光谱法详细研究了高岭土、赤铁矿及油酸钠三元体系的相互作用。
The interaction between the ternary system of kaolin, hematite and sodium oleate was studied in some detail using diffused reflection differential infrared spectroscopy.
介绍了一种基于闪烁氙灯光源、利用差分光谱吸收(DOAS)技术监测大气气溶胶的新方法。
With the method of differential optical absorption spectroscopy(DOAS), aerosol along the light path is measured with a flashlight source.
得到待测样品吸收光谱的通常方法是,将样品的透射光谱和不含样品的背景光谱进行差减计算。
The common used method of getting the absorption spectrum is to subtract the background spectrum from the transmission spectrum of the sample.
光纤傅里叶变换光谱仪的光谱分辨率是由最大光程差决定的。
Spectral resolution of optical fiber Fourier transform spectrometer depends on maximum optical path difference (OPD).
软件还具有NO_2浓度自动反演功能,根据对参考光谱和样品光谱的差分比较,可较为简便地获得样品光谱采集地区大气中NO_2浓度。
What's more, the function of spectrum analyzing is also included in the software, with which, the concentration of NO2 in the atmosphere can be got quite easily.
利用红外光谱、差示扫描量热法分析技术对改性树脂的结构及固化反应过程进行了研究。
The structure and curing of the modified phenol resin were investigated by means of IR spectra and DSC methods.
此外,其他配合物的结构通过元素分析、红外光谱及差热失重谱图等数据进行了推测。
Besides, through Element analysis, TG analysis and IR spectrum, the structure of other complexes had been inferred.
研究了一种测量激光等离子体发射软x光谱强度的新方法——滤波差分法。
The method of filter difference, which is used to measure X-ray spectrum radiated from laser produced plasma, are studied.
差分光学吸收光谱法(DOAS)应用于固定污染源烟气排放监测时,烟气中污染气体so2浓度较高将产生非线性吸收问题。
Nonlinear absorption occurs when the differential optical absorption spectroscopy (DOAS) is used to monitor the flue gas with high SO2 concentration from fixed pollution source.
介绍了利用双光路差分吸收光谱(DOAS)技术监测大气气溶胶并反演其粒谱分布的新方法。
With the method of differential optical absorption spectroscopy (DOAS), aerosol along the light path is monitored and its size distribution is measured with double optical path method.
研究了差分吸收式光谱吸收型光纤气体传感器。
An easy realizable spectrum absorption type optic fiber gas sensor was studied and discussed.
差分吸收光谱法是利用气体污染物在UV - VIS波段对光有不同的吸收特性来测量其平均浓度。
Differential optical absorption spectroscopy (DOAS) makes use of the flue gas pollutant different optical absorption characteristic at the UV-VIS wave band to measure their average concentration.
最后,通过红外光谱仪、差示扫描量热仪,对接枝物结构进行表征。
Structural Characterization of graft polymer was performed by Infrared spectrograph and differential scanning calorimeter.
介绍了一种新型的空间调制光谱技术—差分反射(DR)光谱技术。
An improved spatial modulation technique called Differential Reflectance (DR) spectroscopy has been described.
采用扫描电镜法(sem)、红外光谱法(FTIR)、差热扫描法(DSC)对PV A粉末、未交联pva纳米纤维膜以及交联PVA纳米纤维膜的形态和结构进行了研究。
SEM and FTIR as well as DSC techniques were employed to characterize the morphology and structure of crosslinking of PVA nanofibers membrane, PVA nanofibers membrane as well as PVA powder.
用x -衍射、红外光谱、差热、热重、分光光度等方法对其组成和结构进行了研究。
XRD, IR, DTA, TG and spectrophotometric analysis were used in the research of the composition and structure of the products.
通过红外光谱、差示量热扫描等手段对所合成样品进行表征和鉴定。
The sample of crystals was characterized by DSC, XRD and IR spectroscopy.
应用推荐