搜索结果: 1-4 共查到“工学 UV-VIS”相关记录4条 . 查询时间(0.13 秒)
结合紫外吸收光谱(UV-vis)与三维荧光光谱技术(EEMs),并利用平行因子分析的方法,对两个混合型水库(周村水库和金盆水库)水体中DOM的来源及差异性进行了分析. 结果显示,两个水库水体均存在3个荧光组分,分别为长波类腐殖质(350/460 nm)、可见类富里酸(335/410 nm)和类蛋白(260,285/360 nm). 但是两水库水体的DOM荧光强度及组分构成比例均存在显著差异(P<0...
环丁烯砜的精制及其UV-Vis和FTIR光谱分析
环丁烯砜 活性炭 离子交换树脂 精制
2009/4/30
利用吸附法,考察了活性炭、 离子交换树脂精制环丁烯砜的方案,利用UV-Vis,FTIR,XRD对其进行分析检测,重点对环丁烯砜、 环丁砜的FTIR谱图进行了解析。活性炭、 离子交换树脂串联去除工业级环丁烯砜杂质的效果最佳。利用精制的环丁烯砜催化加氢,合成出了高纯度的环丁砜,转化率大于99.8%,为工业装置技术改造提供了实验依据。
Using a halogen lamp to calibrate an optical system for UV-VIS radiation detection
calibration optical system patron sources
2011/5/5
In the last few years plasmas have been used more and more in a great number of scientific and technological fields, and optical emission spectroscopy (OES) has been the most commonly used technique f...
Size spectroscopy of porous glasses and porous glasses with metal nanoparticles using UV–VIS and X-ray radiation
porous silica X-ray diffraction (XRD) plasmon silver nanoparticles
2011/4/27
UV–VIS and X-rays radiation were used for porous silica (PS) and porous silica with Ag nanoparticles investigations. It has been shown that XRD experiment gives information about the correlation funct...