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Identification of Base Stock in Engine Oils by Near Infrared and Fluorescence Spectroscopies Coupled with Chemometrics
Engine oils are produced with a blend of almost 80% (w/w) base oils and 20% (w/w) of different additives. This study investigates, for the first...
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Evaluation of water quality of Angereb reservoir: a chemometrics approach
Deterioration of water quality of lakes and reservoirs has become major global concerns that impose serious environmental impacts for both aquatic...
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Development of chemometrics-based neurocomputing paradigm for simulation of manganese extraction using solid-phase tea waste
Manganese (Mn) is a trace mineral that is present in tiny amounts in the body. It is found mostly in bones, the liver, kidneys, and pancreas....
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A Data-Driven Binary-Regression Framework for Rapid Screening of Marine Fuel Oil
Despite the decreases in the number of oil spill cases over the years, marine oil pollution caused by indirect transfer of oil combustion emissions...
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Hydro-chemometrics of the Nubian Aquifer in Sudan: an integration of groundwater quality index, multivariate statistics, and human health risk assessment
This research employed the groundwater quality index (GWQI), multivariate statistical methods, and human health risk assessment model to investigate...
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Essential Elements in Muscle Tissue of Rhizoprionodon acutus and Sphyrna lewini from West Java Waters
Information of essential elements in sharks are still limited, especially from Indonesian waters. The aims of this study were to report the...
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The Clustering of Source Rocks: A Spectral Approach
The identification of family affiliation of samples emerging from oils and source rocks is a topic of primary importance in the field of exploration...
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Chemometrics in Ascertaining Hydrogeochemical Characteristics of Coal Mine Discharge vis-à-vis Behaviour of Surface and Groundwater Resources of the Mahan River Catchment Area, Central India
We investigated the hydrogeochemical regime of an AMD-affected coal mining province. 98 water samples were collected over two seasons and analysed...
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Inversion of tight oil origin by geochemical characteristics: a case study of central Northern Shaanxi Slope, Ordos Basin
Hengshan area is located in the middle of the Northern Shaanxi Slope of the Ordos Basin. Due to the low degree of exploration and weak basic...
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Detection of Biochar Carbon by Fluorescence and Near-Infrared-Based Chemometrics
Large-scale biochar field trials have been conducted worldwide to test for “carbon negative strategy” in the event of carbon credit and if other...
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Handbook of Cultural Heritage Analysis
This Handbook covers non-invase techniques as well as digital technologies to study cultural heritage. It focuses on multidisciplinary approaches...
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Enhancing the classification metrics of spectroscopy spectrums using neural network based low dimensional space
Spectroscopy is a methodology for gaining knowledge of particles, especially biomolecules, by quantifying the interactions between matter and light....
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Feasibility Study of PLS and Bagging-PLS Regressions in Predicting Some Soil Heavy Metals by VIS to NIR and SWIR Bands: Case Study of Hormuz Island Soils
AbstractUsing visible (VIS), near-infrared (NIR), and short-wave infrared (SWIR) spectra can provide a quick, undisturbed, and inexpensive method for...
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Chemometric-enhanced geochemical characterisation of diamondoids in Niger Delta crude oils
Information on the possible sources, genetic relationship, and thermal maturity of crude oil samples collected from the northern and central...
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Vis-NIR Spectroscopy for Soil Organic Carbon Assessment: A Meta-Analysis
AbstractThe research papers assessing the content of soil organic carbon with the help of Vis-NIR spectroscopy approaches are systematically analyzed...
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A Multi-layered Convolutional Neural Network for Soil Variables Estimation with the Combination of Open Access Data
Soil properties assessment through space-borne derived imagery has attracted vast research interest over the last decades. Predictions become more...
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Integrated geochemical approach using polar and nonpolar components of crude oil for Sarvak reservoir (Cretaceous)-continuity assessment in the Azadegan oil field, SW Iran
Azadegan oil field is one of the huge oil fields in Iran. In this paper, the lateral continuity of Sarvak reservoir, which is the most important oil...
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Predicting Organic Matter Content, Total Nitrogen and pH Value of Lime Concretion Black Soil Based on Visible and Near Infrared Spectroscopy
AbstractLime concretion black soil is a kind of ancient cultivated soil and exhibits highly-localized distributions in China’s important commodity...
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A Pair of New Spirocyclic Alkaloid Enantiomers with TrxR Inhibitory Activities Were Isolated from Marine-Derived Aspergillus ruber TX-M4-1
One new spirocyclic alkaloid, 5-isopentenyl-cryptoechinuline D ( 1 ), along with 11 known compounds ( 2 – 12 ), were isolated from a marine fungus Aspergillu...
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Chemometric Differentiation of Oil Families and Their Potential Source Rocks in the Gulf of Suez
An oil–oil and oil–source rock correlation study was carried out using chemometric methods applied to geochemical data for 123 Upper Cretaceous—Lower...
