Results 11 to 20 of about 233,843 (263)

UV-Vis spectroscopy [PDF]

open access: yesPhysical Sciences Reviews, 2018
Abstract UV-Vis reflectance spectroscopy has been widely used as a non-invasive method for the study of cultural heritage materials for several decades. In particular, FORS, introduced in the 1980s, allows to acquire hundreds of reflectance spectra in situ in a short time ...
Picollo, Marcello   +2 more
openaire   +8 more sources

Enhanced characterization of SO2 plume height and column density using the second UV spectral band of TROPOMI [PDF]

open access: yesAtmospheric Measurement Techniques
Volcanic emissions of sulfur dioxide (SO2) affect the environment, climate, and society. Their detection and quantification rely extensively on remote sensing techniques, which are used to track SO2 and monitor volcanic activity worldwide. In particular,
L. Fabris   +10 more
doaj   +1 more source

Influence of mineral substances on the synthesis of volatile organic compounds by Pleurotus ostreatus in the process of solid phase cultivation

open access: yesRegulatory Mechanisms in Biosystems, 2017
Mineral substances play an important role in ensuring high-grade growth and high organoleptic quality of the fruit bodies of basidiomycetes. In the process of solid-phase cultivation of the mushroom Pleurotus ostreatus (Jacq.: Fr.) Kumm.
E. N. Vlasenko   +2 more
doaj   +1 more source

A novel RP – HPLC methodology for method development and validation of aceclofenac and tizanidine pharmaceutical dosage forms

open access: yesJournal of Applied Pharmaceutical Research, 2020
A simple and selective LC technique is chosen for the determination of Aceclofenac and Tizanidine in pill indefinite quantity forms. Chromatographic process separation was achieved on a c18 column victimization mobile part consisting of a combination of ...
Adilakshmi Nenavath   +1 more
doaj   +1 more source

APLIKASI UV SPECTROSCOPY DAN METODE SIMCA UNTUK KLASIFIKASI KOPI LIBERIKA TUNGKAL JAMBI DAN KOPI LIBERIKA PROBOLINGGO

open access: yesJurnal Teknik Pertanian Lampung, 2021
Tungkal Composite Jambi Liberika Coffee is one of the top qualities of Indonesian coffees that has received a geographic indication certificate (IGs).
Sapto Kuncoro   +2 more
doaj   +1 more source

Quantitative analysis on the oil content of oilfield wastewater based on a convolutional neural network model and ultraviolet transmission spectroscopy

open access: yesWater Science and Technology, 2023
Oil content (OC) is one of the important evaluation indicators in oilfield wastewater (OW) treatment. The purpose of this study is to realize online real-time detection of OC in OW by combining ultraviolet spectrophotometry with the convolutional neural ...
Qiushi Wang   +5 more
doaj   +1 more source

UV Photoelectron Spectroscopy of Aqueous Solutions

open access: yesAccounts of Chemical Research, 2022
Knowledge of the electronic structure of an aqueous solution is a prerequisite to understanding its chemical and biological reactivity and its response to light. One of the most direct ways of determining electronic structure is to use photoelectron spectroscopy to measure electron binding energies.
William G. Fortune   +2 more
openaire   +3 more sources

Classification of Honey Based on Honeybee Types (Apis dorsata versus Apis mellifera) Using Ultraviolet Spectroscopy and Chemometrics

open access: yesJurnal Ilmu Pertanian Indonesia, 2020
In this research, spectral data in UV region (200400 nm) alongside PCA and SIMCA chemometrics were used to classify two types of honey obtained from different honeybees (Apis dorsata versus Apis mellifera). A total of 200 Durian monofloral honey samples
Diding Suhandy   +2 more
doaj   +1 more source

Comparative characterisation of forest litter on sod-podzolic soils of Forest Experimental Dacha in RSAU–MAA named after K.A. Timiryazev

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2022
Forest litter under linden and pine forests was studied at the Forest Experimental Dacha of the RSAU–MAA named after K.A. Timiryazev. Despite significant differences in physical and chemical parameters between the litter formed under the conditions of ...
V. G. Mamontov   +2 more
doaj   +1 more source

Synthesis of silver nanoparticles from neem and cow dung, their characterization, and their application as a nano pesticide and nano fertilizer [PDF]

open access: yesE3S Web of Conferences
The polyol method, microemulsions, thermal decomposition, electrochemical synthesis, chemical vapor deposition, microwave irradiation, pulsed laser method, sonochemical reduction, and gamma radiation are just a few of the many techniques used in the ...
Ardesana Yash N.   +3 more
doaj   +1 more source

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