In this paper, a bituminous coal species identification method based on terahertz time-domain spectroscopy combined with machine learning-principal component analysis Principal component analysis (PCA ...

Infrared spectroscopy (IR spectroscopy) is an optical technique that detects molecular bond vibrations and rotations upon absorption of infrared light. Because different chemical functional groups ...

Abstract: Mid-infrared spectroscopy has the advantage of being fast and non-destructive for mineral identification and geological analysis. Mineral anomalies in fault zones are geological markers for ...

Department of Chemistry, University at Buffalo, State University of New York (SUNY), Buffalo, New York 14260, United States ...

Most additives are only permitted to be used in certain foods and are subject to specific quantitative limits, so it is important to note this list should be used in conjunction with the appropriate ...

pmird is an interface to the peatland mid infrared spectra database (pmird database) (Teickner and Knorr 2025). ‘pmird’ allows to access the pmird database as dm object. Here, and are the respective ...

Plug-in for ChimeraX providing features for building and manipulating organic and organometallic molecules as well as displaying output from quantum chemistry computations.

This goal is accomplished by means of spectroscopy measurements, usually after a separation step, consisting of liquid (LC) or gas (GC) chromatography. Within the wide range of hyphenated techniques, ...