光谱分析

Then the aluminium sulfates were prepared by sulfation and salt formation, and their IR spectra were analyzed.

对制得的几种碱式铝盐进行了红外光谱分析和有机硫含量、铝含量及样品制酸力等部分理化性质的测定。

This paper uses ENVI to achieve the spectral mixed analysis and does the correlation analysis with NDVI and Tasseled Cap.

本文利用ENVI软件实现混合光谱分析，并对SMA分解结果分别与NDVI和缨帽变换分量进行相关性分析。

In order to investigate and monitor spartina alterniflora resources in the Luoyuan Bay, this paper illustrates the image process and interpretation based on the Landsat TM/ETM+ remote-sensing data of 2000 and 2006. On the base of the spectral analysis of different ground objects, NDVI and tasseled cap transform adopted on multi-spectral images, the algorithms for extracting and rectifying the spartina alterniflora from other landscape types were determined by decision tress classify in combination with visual interpretation.

为了对福建罗源湾互花米草进行监测研究，以2000年和2006年的LandsatTM/ETM+影像为数据源，在对不同地物进行光谱分析的基础上，结合进行了影像归一化植被指数和缨帽变换处理，建立了利用决策树分类法提取罗源湾互花米草的遥感解译技术。

The method is terser and more effective than other traditional methods. It proved that wavelet analysis is a more perfect method of spectral feature extraction.

光谱微分法是一种比较成熟的光谱分析方法，它可用来减弱信号中大气散射和吸收对目标光谱特征的影响，但它对噪音

The FTIR spectra consists of two absorption bands at about 780 cm^(-1) and 1 380 cm^(-1), which suggests the existence of the hexagonal phase of BN.

红外光谱分析表明，BN薄膜结构为六角BN相（1380 cm^(-1)和780 cm^(-1)）。

The laser- plasma hybrid welding of stainless steel was conducted to investigate the hybrid arc,light induced metal vapor and plasma arc spectrum features in this paper.

利用所研制的YAG激光等离子弧复合热源，进行了不锈钢激光等离子弧复合焊过程的电弧、光致金属蒸气成像观察和光谱分析。

It greatly reduces the noise from the discontinuous spectrum in the arc and adapts to the seriously fluctuating welding current during the process and obtains the clear images of the welding pool using common industrial CCD camera.

在对铝合金焊接光谱分析的基础上，以焊接电弧光中的连续光谱作为光源，采用宽带滤波方法设计的全新的光学图像传感器，利用普通工业CCD摄像机获得了画面清晰、质量稳定的铝合金焊接熔池区域图像。

In botanical samples and coal fly ash by graphite furnace atomic absorption ...

回顾了原子吸收光谱分析在我国环境、医学卫生和食品分析方面的应用概况。

In order to study the quality properties quickly test method of broom corn millet, this test used near infrared spectral analysis technology to determine the content of thick albumen of 73 broom corn millets.

为了研究糜子蛋白的快速测定方法，本试验应用近红外光谱分析技术测定73份糜子粗蛋白含量。

To study this effect we selected 10 chromium steel samples of different carbon content.

在低功率光源中，这种不同使合金元素被蒸发和被激发的情况有所差别，因而就影响了光谱分析的结果。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐