Analytical chemistry is powerful in analyzing complex mixtures of crude oil and brine
subsurfaces on the basis of atomic and molecular levels. Geochemistry applies chemical …

Gasification technology can effectively improve the utilization efficiency of coal and biomass
resources. However, conventional experimental methods are costly, time-consuming, and …

Fourier-transform infrared spectroscopy (FTIR) has become a crucial method for both
qualitative and quantitative analysis in characterizing asphalt materials. The present work …

In the petroleum refining industries, the hydrodesulfurization (HDS) process is one of the
most common techniques for purifying petroleum products from undesirable sulfur species to …

The present study evaluates the drilling fluid density of oil fields at enhanced temperatures
and pressures. The main objective of this work is to introduce a set of modeling and …

The chemical characterization of bitumen type and ageing state are fundamental in
determining structural and mechanical properties of bitumen. This work aims to classify …

This study aimed to differentiate among various bituminous mastics through the analysis of
FTIR spectroscopy data. The mastics, incorporating three filler types, a 50/70 penetration …

This study aimed to determine the integrated freshness index (IFI) of eggs using Vis-NIR
spectroscopy and optimized support vector regression, which gave the first insight into the …

Objectives To investigate the feasibility of using near-infrared spectroscopy for rapid
determination of main organic acids in Ginkgo biloba leaf extract (EGBL). Methods Main …

Concrete is a complex engineering material with different ingredients and design variables.
Therefore, an accurate prediction of concrete compressive strength (CCS) should consider …