介绍了一套垂直反射式太赫兹光谱系统, 系统的结构经过精心设计, 可以直接对液态样品进行探测。利用这一系统对不同浓度的农药液体......

Natural amber, copal resin and colophony are have investigated by UV-VIS, infrared and Raman spectrum. In order to disti......