-
541
Transition from the chaotic turbulence to the turbulent structures
Published 1999-01-01“…., Langmuir solitons. Instead for ‘infrared catastrophe’ typical of the weakly turbulent regime, one deals with the ‘relay race’ model providing the proper direction of the energetic flux over scales from the source towards the leakage.…”
Get full text
Article -
542
Lead Telluride Doped with Au as a Very Promising Material for Thermoelectric Applications
Published 2015-01-01“…PbTe single crystals doped with monovalent Au or Cu were grown using the Bridgman method. Far infrared reflectivity spectra were measured at room temperature for all samples and plasma minima were registered. …”
Get full text
Article -
543
High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps
Published 2014-01-01“…The optical performance of the novel structure is evaluated and compared in terms of the transmission efficiency and extinction ratio over the visible and near-infrared wavelength spectrum. It is shown that, in the near-infrared band, the maximum transmittance can be increased about 15% compared to the traditional metal grating under the same parameters. …”
Get full text
Article -
544
Chemical and Physical Properties of Meadowfoam Seed Oil and Extra Virgin Olive Oil: Focus on Vibrational Spectroscopy
Published 2020-01-01“…We have also determined the content of fatty acids in both of the oils using gas chromatography, while the use of mid-infrared (MIR) and near-infrared (NIR) spectroscopy allowed us to assign bands corresponding to the vibrations present in the tested functional groups. …”
Get full text
Article -
545
Significant role of anionic behavior of cocoyl glutamate on lead(II) ion adsorption towards activated carbon adsorbent from cigarette butts
Published 2025-06-01“…Adding DCG increases the number of carbonyl groups in the CA confirmed by infrared and elemental analysis data. The obtained CA-DCGs have an amorphous property and a slightly porous structure. …”
Get full text
Article -
546
Towards the Sustainable Removal of Heavy Metals from Wastewater Using <i>Arthrospira platensis</i>: A Laboratory-Scale Approach in the Context of a Green Circular Economy
Published 2025-01-01“…Additionally, the cultures were examined using Fourier transform infrared (FTIR) spectroscopy, Near-Infrared (NIR) Spectroscopy, UV-Vis spectrophotometry, and optical microscopy, together with pH and electrical conductivity (EC) measurements to evaluate the quality of the cultures and the changes induced by heavy metal stress. …”
Get full text
Article -
547
Impact of environmental and geographical position on the chemometric classification of ethanol extracts from Isotoma longiflora leaves
Published 2024-01-01“…Ethanol extracts of Isotoma longiflora leaves from various locations in Aceh Province were analyzed using a simple infrared spectroscopy technique combined with chemometrics to determine the effect of geographical location and conditions by classification and authentication.METHODS: Isotoma longiflora leaf samples were collected from Aceh Besar (a geothermal manifestation of Ie Suum), Banda Aceh, Aceh Jaya, Bireun, and Central Aceh. …”
Get full text
Article -
548
Altered Brain Activity and Effective Connectivity within the Nonsensory Cortex during Stimulation of a Latent Myofascial Trigger Point
Published 2022-01-01“…Seventeen participants with latent MTrPs underwent functional near-infrared spectroscopy (fNIRS) to collect cerebral oxygenation hemoglobin (Δ[oxy-Hb]) signals. …”
Get full text
Article -
549
Film Properties, Water Retention, and Growth Promotion of Derivative Carboxymethyl Cellulose Materials from Cotton Straw
Published 2021-01-01“…The results showed that the infrared absorption peaks of the three materials were similar. …”
Get full text
Article -
550
-
551
Evaluation of genomic and phenomic prediction for application in apple breeding
Published 2025-01-01“…Alternative genotyping methods such as RADseq and complementary data from near-infrared spectroscopy could help improve the cost-effectiveness of genomic prediction. …”
Get full text
Article -
552
Detection of mite infested saffron plants using aerial imaging and machine learning classifier
Published 2025-01-01“… Aim of study: To evaluate and develop a machine learning code that uses aerial images in visible and near infrared (NIR) spectra to detect mite-infested Saffron (Crocus sativus L.) plants through processing the spectral indices to classify healthy and diseased plants. …”
Get full text
Article -
553
Canvas support impregnation materials and techniques: a study of Portuguese painting and its conservation issues
Published 2016-03-01“…This paper focuses on the study of oil based coating impregnations, applied in the past, on the reverse of Portuguese painting canvas supports.The scientific study of the impregnation materials found in the painting “The Knight of the Order of Malta” (18th century) was carried out on samples using several analytical techniques – Optical Microscopy (OM) under visible reflected and polarised light and ultraviolet fluorescence (UV); Gas chromatography mass spectrometry (GC-MS), Fourier transform Infrared spectroscopy (transmission and FTIR-ATR), and Scanning electron microscopy coupled with an energy dispersive X-ray spectroscopy (SEM-EDX) – in order to identify the materials and the techniques used in this practice.…”
Get full text
Article -
554
SYNTHESIS AND SPECTROSCOPIC CHARACTERIZATION OF SOME NEW HYDROGENOXALATO ORGANOTIN (IV) COMPLEXES
Published 2020-06-01“… The synthesis and spectroscopic studies (infrared and Mössbauer) of new hydrogenoxalato derivatives and adducts containing SnRn (R=Me, Ph; n=2, 3) residues are reported. …”
Get full text
Article -
555
Multi-analytical study of paint and varnish on a 17th century wooden polychrome antependium
Published 2012-06-01“…Thin layer chromatography, Fourier transform infrared spectroscopy and micro-chemical analysis were used to identify the materials. …”
Get full text
Article -
556
Finite volume expectation values in the sine-Gordon model
Published 2020-01-01“…In the ultraviolet limit, we checked our results against Liouville 3-point functions, while in the infrared limit, we evaluated our formulas in the semi-classical limit and compared them up to 2-particle contributions against the semi-classical limit of the previously conjectured LeClair-Mussardo type formula. …”
Get full text
Article -
557
Direct Electrochemical Synthesis of Bismuth(III) Phenoxides and their Coordination Compounds
Published 2012-01-01“…The solid products separated in the anode compartment have been isolated and characterized by elemental analysis and infrared spectral studies. Current efficiencies of these reactions are quite high.…”
Get full text
Article -
558
Synthesis and Characterization of Complex Compounds of Tetra-aza Macrocyclic Ligand
Published 2008-01-01“…The ligand and its coordination compounds are formulated according to the chemical analysis, electronic, infrared, 1HNMR and mass spectra, as well as magnetic susceptibility values.…”
Get full text
Article -
559
Model-fitting approach for methylene blue dye adsorption on and seeds-derived adsorbents
Published 2016-12-01“…Morphology explicated the surface characteristics of both the sorbents. Fourier transform infrared spectroscopy spectrum revealed a variety of functional groups on adsorbents’ surface.…”
Get full text
Article -
560
Study of initial stage of mechanochemical transformation in pyrite
Published 2007-01-01“…The initial stage of transformation of pyrite to Fe(II)-sulfate as a result of mechanical milling is studied by X-ray powder diffraction (XRD), Moessbauer spectroscopy (MS), Infrared (IR) and X-ray photoelectron spectroscopy (XPS) techniques. …”
Get full text
Article