spectroscopical

This paper divides hydrogen sulfide gas sensors into three types: metal-oxide type, spectroscopical type and electrochemical type.

本文将H2S气体传感器分为三类：金属氧化物传感器，光谱学传感器和电化学传感器。

Ultraviolet and spectroscopical quantitative analysis method was established in this study, and the total lignans in the samples of both the crude drugs and its products isolated by macroporous resin method were detected by the established method.

本研究建立了总木脂素的紫外分光光度法定量分析方法，分析测定了14批络石藤药材以及药材经大孔树脂法处理所得产物中总木脂素的含量。

Application of Infrared Spectroscopical Technique to Determining Organic Maturity in Lower Palaeozoic in Eastern Yangzi Gorges

红外光谱技术在有机质成熟度研究中的应用&以峡东地区下古生界为例

Automatic recognition and mapping of soil types using Landsat images& ⅰ. computer classification and the spectroscopical and geographical analyses of the results

卫星图象土壤类型自动识别与制图的研究&Ⅰ.计算机分类及其结果的光谱学和地理学分析