-
51481
Stabilisation and remediation of heavy metals in mine tailings using Vetiveria zizanioides (L.) nash amended with iron-coated and uncoated rice husk ash
Published 2016“…Fourier Transformed Infrared Spectroscopy (FTIR), multipoint Brunauer-Emmett-Teller (BET) and Scanning Electron Microscope-Electron Dispersive Spectroscopy (SEM-EDS) were used for the characterisation of (RHA) or (Fe-RHA). …”
Get full text
Thesis -
51482
Uvsq-Sat NG, a New CubeSat Pathfinder for Monitoring Earth Outgoing Energy and Greenhouse Gases
Published 2023-10-01“…Uvsq-Sat NG carries several payloads, including Earth Radiative Sensors (ERSs) for monitoring incoming solar radiation and outgoing terrestrial radiation. A Near-Infrared (NIR) Spectrometer is onboard to assess GHGs’ atmospheric concentrations through observations in the wavelength range of 1200 to 2000 nm. …”
Get full text
Article -
51483
Detecting Exomoons from Radial Velocity Measurements of Self-luminous Planets: Application to Observations of HR 7672 B and Future Prospects
Published 2023-01-01“…Using end-to-end simulations, we then estimate that future instruments such as the Multi-Object Diffraction-limited High-resolution Infrared Spectrograph, planned for the Thirty Meter Telescope, should be sensitive to satellites with mass ratios of ∼10 ^−4 . …”
Get full text
Article -
51484
A PRELIMINARY STUDY OF INVESTIGATING OF COMPOUND GROUP CONTAINED IN ETHANOLIC EXTRACT OF MAHAGONY (Swietenia mahagoni L. Jacq.) SEEDS RELATED TO Α-GLUCOSIDASE INHIBITION
Published 2018-06-01“…In order to get information about the compound, the crude extract was subjected to phytochemical assignment and the isolate with the better activity was analyzed by infrared spectroscopy. The inhibitory activity for the yellow isolate with IC50 as 19.345 ppm was better than the colorless isolate. …”
Get full text
Article -
51485
-
51486
EPOCHS. II. The Ultraviolet Luminosity Function from 7.5 < z < 13.5 Using 180 arcmin2 of Deep, Blank Fields from the PEARLS Survey and Public JWST Data
Published 2024-01-01“…We use strict quality cuts on EAZY photometric redshifts to obtain a reliable selection and characterization of high-redshift ( z > 6.5) galaxies from a consistently processed set of deep, near-infrared imaging. Within an area of 180 arcmin ^2 , we identify 1046 candidate galaxies at redshifts z > 6.5 and we use this sample to study the UV LF in four redshift bins between 7.5 < z < 13.5. …”
Get full text
Article -
51487
SN 2020jgb: A Peculiar Type Ia Supernova Triggered by a Helium-shell Detonation in a Star-forming Galaxy
Published 2023-01-01“…We detect a prominent absorption feature at ∼1 μ m in the near-infrared (NIR) spectrum of SN 2020jgb, which might originate from unburnt helium in the outermost ejecta. …”
Get full text
Article -
51488
UV-bright Star-forming Clumps and Their Host Galaxies in UVCANDELS at 0.5 ≤ z ≤ 1
Published 2023-01-01“…Using the Hubble Space Telescope/Wide Field Camera 3 F275W images from the Ultraviolet Imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey, we detect and analyze giant star-forming clumps in galaxies at 0.5 ≤ z ≤ 1, connecting two epochs when clumps are common (at cosmic high noon, z ∼ 2) and rare (in the local Universe). …”
Get full text
Article -
51489
Manganese-Iron Phosphate Nodules at the Groken Site, Gale Crater, Mars
Published 2023-08-01“…A deconvolution of APXS analyses of nodule-bearing targets, interpreted here as representing the nodules’ non-silicate components, shows high concentrations of MnO, P<sub>2</sub>O<sub>5</sub>, and FeO and a molar ratio P/Mn = 2. Visible to near-infrared reflectance of the nodules (by ChemCam passive and Mastcam multispectral) is dark and relatively flat, consistent with a mixture of host siltstone, hematite, and a dark spectrally bland material (like pyrolusite, MnO<sub>2</sub>). …”
Get full text
Article -
51490
Analysis and Evaluation of Land Use Changes in International Wetlands of Ala-Gol, Alma- Gol & Ajay-Gol In Turkaman Sahra, Using Multi-temporal Satellite Images
Published 2013-01-01“…In processing stage, the visual interpretation of images related to the study area and the reflective properties of water in the infrared band that is almost zero, the separation of land and water in the wetland area was identified. …”
Get full text
Article -
51491
SiDroForest: a comprehensive forest inventory of Siberian boreal forest investigations including drone-based point clouds, individually labeled trees, synthetically generated tree...
Published 2022-11-01“…The dataset includes structure-from-motion (SfM) point clouds and red–green–blue (RGB) and red–green–near-infrared (RGN) orthomosaics. From the orthomosaics, point-cloud products were created such as the digital elevation model (DEM), canopy height model (CHM), digital surface model (DSM) and the digital terrain model (DTM). …”
Get full text
Article -
51492
Bridging the spatial gaps of the Ammonia Monitoring Network using satellite ammonia measurements
Published 2023-10-01“…To this end, we intercompared surface <span class="inline-formula">NH<sub>3</sub></span> data from the Ammonia Monitoring Network (AMoN) and satellite <span class="inline-formula">NH<sub>3</sub></span> total columns from the Infrared Atmospheric Sounding Interferometer (IASI) in the contiguous United States (CONUS) and then performed trend analyses using both datasets. …”
Get full text
Article -
51493
PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-domain Field II
Published 2024-01-01“…The XMM-Newton observations provide soft X-ray (0.5–10 keV) coverage in the same field and enable more robust identification of the visible and infrared counterparts of the NuSTAR-detected sources. …”
Get full text
Article -
51494
The TESS-Keck Survey. XII. A Dense 1.8 R ⊕ Ultra-short-period Planet Possibly Clinging to a High-mean-molecular-weight Atmosphere after the First Gigayear
Published 2024-01-01“…We recommend additional optical and infrared observations to confirm the presence of an atmosphere and investigate its composition.…”
Get full text
Article -
51495
Quantification of CH<sub>4</sub> emissions from waste disposal sites near the city of Madrid using ground- and space-based observations of COCCON, TROPOMI and IASI
Published 2022-01-01“…We apply satellite-based measurements from the TROPOspheric Monitoring Instrument (TROPOMI) and the Infrared Atmospheric Sounding Interferometer (IASI) together with measurements from the ground-based COllaborative Carbon Column Observing Network (COCCON) instruments.…”
Get full text
Article -
51496
-
51497
PHANGS–JWST First Results: Interstellar Medium Structure on the Turbulent Jeans Scale in Four Disk Galaxies Observed by JWST and the Atacama Large Millimeter/submillimeter Array
Published 2023-01-01“…JWST/Mid-Infrared Instrument imaging of the nearby galaxies IC 5332, NGC 628, NGC 1365, and NGC 7496 from PHANGS reveals a richness of gas structures that in each case form a quasi-regular network of interconnected filaments, shells, and voids. …”
Get full text
Article -
51498
An In-depth Look at TOI-3884b: A Super-Neptune Transiting an M4Dwarf with Persistent Starspot Crossings
Published 2023-01-01Get full text
Article -
51499
Development of a gas chromatography system coupled to a metal-oxide semiconductor (MOS) sensor, with compensation of the temperature effects on the column for the measurement of et...
Published 2023-08-01“…A demonstrator, consisting of a simple syringe injection system, a PLOT (porous layer open tubular) column boxed in a polystyrene-foam housing, a commercial MOS (metal-oxide semiconductor) sensor for the test gas, and a CO<span class="inline-formula"><sub>2</sub></span>-specific IR (infrared) sensor, was used to set up a simple GC system and to apply this method on test measurements. …”
Get full text
Article -
51500
Hydrothermal synthesis of titanium dioxide/graphene aerogel for photodegradation of methylene blue in aqueous solution
Published 2022-06-01“…Titanium dioxide/graphene aerogel (TiO2/GA) was synthesized via a one-pot hydrothermal method and characterized by various spectroscopic techniques, including X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscope, transmission electron microscopy, Raman spectroscopy, and UV-Vis spectroscopy. …”
Get full text
Article