Structural, optical and thermal properties of Sm₂O₃/Bi₂O₃-doped zinc silicate glass ceramics from rice husk ash by AbuBakar, Auwalu Inusa

“…The presence of Zn-O and Si-O-Zn vibration bands in Infrared spectra shows the features of willemite phase formation. …”
Get full text

Preparation and electrical properties of bismuth tungstate solid electrolytes by Yuen, Mei Lian

“…Three vibration bands (ν(W-O-W), Bi-O and ν (W-O)) were noticed in spectra of Fourier-transform infrared (FT-IR) spectroscopy. Scanning Electron Microscopy (SEM) micrographs for pellets sintered at 900 °C illustrated greater grain size compared to pellets sintered at 700 °C. …”
Get full text

Synthesis of poly(Acrylonitrile-co-acrylamide) and its chemical modification with hydrazine for removal of Cu(II), Zn(II), Pb(II) and Cr(VI) ions from aqueous solution by Khairuddin, Mastura

“…The poly(AN-co-AM) and hydrazine-modified poly(AN-co-AM) were characterised by Fourier Transform Infrared (FT-IR) spectroscopy, microanalysis, Scanning Electron Microscope (SEM), thermogravimetric analysis (TGA) and amine capacity analysis. …”
Get full text

Histological and safety evaluation of cockle shell-derived CaCO₃ nanoparticle loaded with doxorubicin in dogs by Abubakar, Danmaigoro

“…The CS-CaCO3NP and CS-CaCO3NP-DOX were characterized for physicochemical properties using Transmission Electron Microscopy, Field Emission Electron Microscopy, Zeta Sizer, X-ray Diffraction, Fourier Transformed infrared, and Brunauer-Emmett-Teller techniques. A dissolution non-Fickian control based release kinetics using dialysis bag was employed to evaluate the release pattern. …”
Get full text

Structural, thermal and optical properties of PR³⁺, ER³⁺/DY³⁺ ions singly and doubly doped borotellurite glass system for photonic applications by Abbas, Bashar Khudhair

“…The presence of various functional groups of borotellurite matrix was confirmed by Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR) and Raman spectra. Thermo- Gravimetric Analysis (TGA) analysis presented low weight loss for all synthesized glasses. …”
Get full text

Structural and luminescence properties of magnesium boro-tellurite doped europium and dysprosium ion ceramic by Bohari, Nur Zu Ira

“…All the samples were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy, Raman spectroscopy, energy dispersive Xray spectroscopy (EDX), field emission scanning electron microscopy (FESEM) and photoluminescence spectroscopy. …”
Get full text

Fluorite type oxide ion conductors of Bi2O3-M2O5 (M = P, As, V) by Lee, Siew Ling

“…Besides, inductively coupled plasma-atomic emission spectrometry (ICP-AES), density measurement, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), scanning electron microscopy (SEM), Fourier-transform infrared (FT-IR) spectroscopy and Raman spectroscopy were also performed on selected materials. …”

Performance and modeling of volcanic ash and limestone powder waste binary blended alkali activated mortar by Adewumi, Adeshina Adewale

“…The synthesized alkali-activated VA and LSP binders were examined critically to study the impact of the constituent variables on the product formed, bond characteristics, and microstructures using x-ray diffractometer (XRD), scanning electron microscope coupled with energy-dispersive x-ray spectroscopy (SEM+EDX), and Fourier transforms infrared (FTIR) spectroscopy. Secondly, different models capable of estimating one-day, three-day, 14-day, and 28-day compressive strength (CS) were developed using a hybrid genetic algorithm (GA), support vector regression (SVR) algorithm, and stepwise regression algorithm. …”
Get full text

The Next Generation Deep Extragalactic Exploratory Public (NGDEEP) Survey by Micaela B. Bagley, Nor Pirzkal, Steven L. Finkelstein, Casey Papovich, Danielle A. Berg, Jennifer M. Lotz, Gene C. K. Leung, Henry C. Ferguson, Anton M. Koekemoer, Mark Dickinson, Jeyhan S. Kartaltepe, Dale D. Kocevski, Rachel S. Somerville, L. Y. Aaron Yung, Bren E. Backhaus, Caitlin M. Casey, Marco Castellano, Óscar A. Chávez Ortiz, Katherine Chworowsky, Isabella G. Cox, Romeel Davé, Kelcey Davis, Vicente Estrada-Carpenter, Adriano Fontana, Seiji Fujimoto, Jonathan P. Gardner, Mauro Giavalisco, Andrea Grazian, Norman A. Grogin, Nimish P. Hathi, Taylor A. Hutchison, Anne E. Jaskot, Intae Jung, Lisa J. Kewley, Allison Kirkpatrick, Rebecca L. Larson, Jasleen Matharu, Priyamvada Natarajan, Laura Pentericci, Pablo G. Pérez-González, Swara Ravindranath, Barry Rothberg, Russell Ryan, Lu Shen, Raymond C. Simons, Gregory F. Snyder, Jonathan R. Trump, Stephen M. Wilkins

Get full text

Hidden Little Monsters: Spectroscopic Identification of Low-mass, Broad-line AGNs at z > 5 with CEERS by Dale D. Kocevski, Masafusa Onoue, Kohei Inayoshi, Jonathan R. Trump, Pablo Arrabal Haro, Andrea Grazian, Mark Dickinson, Steven L. Finkelstein, Jeyhan S. Kartaltepe, Michaela Hirschmann, James Aird, Benne W. Holwerda, Seiji Fujimoto, Stéphanie Juneau, Ricardo O. Amorín, Bren E. Backhaus, Micaela B. Bagley, Guillermo Barro, Eric F. Bell, Laura Bisigello, Antonello Calabrò, Nikko J. Cleri, M. C. Cooper, Xuheng Ding, Norman A. Grogin, Luis C. Ho, Taylor A. Hutchison, Akio K. Inoue, Linhua Jiang, Brenda Jones, Anton M. Koekemoer, Wenxiu Li, Zhengrong Li, Elizabeth J. McGrath, Juan Molina, Casey Papovich, Pablo G. Pérez-González, Nor Pirzkal, Stephen M. Wilkins, Guang Yang, L. Y. Aaron Yung

Get full text

Bias correction of OMI HCHO columns based on FTIR and aircraft measurements and impact on top-down emission estimates by J.-F. Müller, T. Stavrakou, G.-M. Oomen, B. Opacka, I. De Smedt, A. Guenther, C. Vigouroux, B. Langerock, C. A. B. Aquino, M. Grutter, J. Hannigan, F. Hase, R. Kivi, E. Lutsch, E. Mahieu, M. Makarova, J.-M. Metzger, I. Morino, I. Murata, T. Nagahama, J. Notholt, I. Ortega, M. Palm, A. Röhling, W. Stremme, K. Strong, R. Sussmann, Y. Té, A. Fried

“…Here, the QA4ECV (Quality Assurance for Essential Climate Variables) retrieval of <span class="inline-formula">HCHO</span> columns from OMI (Ozone Monitoring Instrument) is evaluated against (1) FTIR (Fourier-transform infrared) column observations at 26 stations worldwide and (2) aircraft in situ <span class="inline-formula">HCHO</span> concentration measurements from campaigns conducted over the USA during 2012–2013. …”
Get full text

Engineering functional nanomaterials for photonic applications by Chan, Kok Ken

“…The carbon dots were carefully characterized by transmission electron microscopy, UV-Vis spectrometry, Raman spectrometry, Fourier-transform infrared spectroscopy, X-ray photoelectron spectrometry, and fluorometer. …”
Get full text

Computer Supported Cooperative Work and Social Computing : 15th CCF Conference, ChineseCSCW 2020, Shenzhen, China, November 7-9, 2020, Revised Selected Papers / by CCF Conference on Computer Supported Cooperative Work and Social Computing (15th : 2020 : Shenzhen, China), organiser 642953, Sun, Yuqing, editor 642954, Liu, Dongning, editor 642955, Liao, Hao, 1986-, editor 642956, Fan, Hongfei, editor 642957, Gao, Liping, editor 642958

Human-Computer Interaction : Interaction Techniques and Novel Applications : Thematic Area, HCI 2021, Held as Part of the 23rd HCI International Conference, HCII 2021, Virtual Even... by International Conference on Human-Computer Interaction (23rd : 2021 : Online) 642922, Kurosu, Masaaki, 1948-, editor 573627

Impact of Tree Crown Transmittance on Surface Reflectance Retrieval in the Shade for High Spatial Resolution Imaging Spectroscopy: A Simulation Analysis Based on Tree Modeling Scen... by Karine R. M. Adeline, Xavier Briottet, Sidonie Lefebvre, Nicolas Rivière, Jean-Philippe Gastellu-Etchegorry, Fabrice Vinatier

“…Results showed that neglecting <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>T</mi><mi>c</mi></msub></mrow></semantics></math></inline-formula> leads to very inaccurate reflectance retrieval (mean bias > 0.04), particularly if the background reflectance is high, and in the near and shortwave infrared – NIR and SWIR – due to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>T</mi><mrow><mi>s</mi><mi>c</mi><mi>a</mi><mi>t</mi></mrow></msub></mrow></semantics></math></inline-formula>. …”
Get full text

The Discovery of the Faintest Known Milky Way Satellite Using UNIONS by Simon E. T. Smith, William Cerny, Christian R. Hayes, Federico Sestito, Jaclyn Jensen, Alan W. McConnachie, Marla Geha, Julio F. Navarro, Ting S. Li, Jean-Charles Cuillandre, Raphaël Errani, Ken Chambers, Stephen Gwyn, Francois Hammer, Michael J. Hudson, Eugene Magnier, Nicolas Martin

“…Ursa Major III/UNIONS 1 was uncovered in the deep, wide-field Ultraviolet Near Infrared Optical Northern Survey (UNIONS) and is consistent with an old ( τ > 11 Gyr), metal-poor ([Fe/H] ∼ −2.2) stellar population at a heliocentric distance of ∼10 kpc. …”
Get full text

Water Stress Impacts on Grapevines (<i>Vitis vinifera</i> L.) in Hot Environments: Physiological and Spectral Responses by Alessia Cogato, Shaikh Yassir Yousouf Jewan, Lihua Wu, Francesco Marinello, Franco Meggio, Paolo Sivilotti, Marco Sozzi, Vinay Pagay

“…In contrast, the photochemical reflectance index (PRI), the water index (WI), and the normalised difference infrared index (NDII) showed an opposite trend. Finally, the crop water stress (CWSI) had significant negative correlations with the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>Ψ</mi></semantics></math></inline-formula><b><i>_stem</i></b> in both varieties. …”
Get full text

Big Three Dragons: Molecular Gas in a Bright Lyman-break Galaxy at z = 7.15 by Takuya Hashimoto, Akio K. Inoue, Yuma Sugahara, Yoshinobu Fudamoto, Seiji Fujimoto, K. K. Knudsen, Hiroshi Matsuo, Yoichi Tamura, Satoshi Yamanaka, Yuichi Harikane, Nario Kuno, Yoshiaki Ono, Dragan Salak, Nozomi Ishii

“…We report Atacama Large Millimeter/submillimeter Array Band 3 observations of CO(6−5), CO(7−6), and [C i ](2−1) in B14-65666 (“Big Three Dragons”), one of the brightest Lyman-break galaxies at z > 7 in the rest-frame ultraviolet continuum, far-infrared continuum, and emission lines of [O iii ] 88 μ m and [C ii ] 158 μ m. …”
Get full text

Lands cover classification of Bushehr province using Landsat-8 and MODIS images by Fazel Amiri, Saeedeh Nateghi

“…Based on Landsat 8 data (red band, near-infrared band and normalized vegetation difference index), the types of pasture cover in Bushehr province were extracted using visual and object-oriented methods.The use of Landsat 8 images and the object-oriented method improved the classification. …”
Get full text

Quantifying the Effects of Known Unknowns on Inferred High-redshift Galaxy Properties: Burstiness, IMF, and Nebular Physics by Bingjie Wang, Joel Leja, Hakim Atek, Ivo Labbé, Yijia Li, Rachel Bezanson, Gabriel Brammer, Sam E. Cutler, Pratika Dayal, Lukas J. Furtak, Jenny E. Greene, Vasily Kokorev, Richard Pan, Sedona H. Price, Katherine A. Suess, John R. Weaver, Katherine E. Whitaker, Christina C. Williams

Get full text