Showing 3,161 - 3,180 results of 3,204 for search '"spectroscopy"', query time: 0.06s Refine Results
  1. 3161
  2. 3162
  3. 3163

    Discovery and Spectroscopic Confirmation of Aquarius III: A Low-mass Milky Way Satellite Galaxy by W. Cerny, A. Chiti, M. Geha, B. Mutlu-Pakdil, A. Drlica-Wagner, C. Y. Tan, M. Adamów, A. B. Pace, J. D. Simon, D. J. Sand, A. P. Ji, T. S. Li, A. K. Vivas, E. F. Bell, J. L. Carlin, J. A. Carballo-Bello, A. Chaturvedi, Y. Choi, A. Doliva-Dolinsky, O. Y. Gnedin, G. Limberg, C. E. Martínez-Vázquez, S. Mau, G. E. Medina, M. Navabi, N. E. D. Noël, V. M. Placco, A. H. Riley, I. U. Roederer, G. S. Stringfellow, C. R. Bom, P. S. Ferguson, D. J. James, D. Martínez-Delgado, P. Massana, D. L. Nidever, J. D. Sakowska, L. Santana-Silva, N. F. Sherman, E. J. Tollerud, DELVE Collaboration

    Published 2025-01-01
    “…From medium-resolution Keck/DEIMOS spectroscopy, we identify 11 member stars and measure a mean heliocentric radial velocity of ${v}_{\mathrm{sys}}=-{13.1}_{-0.9}^{+1.0}\ \mathrm{km}\ {{\rm{s}}}^{-1}$ for the system and place an upper limit of σ _v < 3.5 km s ^−1 ( σ _v < 1.6 km s ^−1 ) on its velocity dispersion at the 95% (68%) credible level. …”
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  4. 3164

    The Lyman Continuum Escape Fraction of Star-forming Galaxies at 2.4 ≲ z ≲ 3.0 from UVCANDELS by Xin Wang, Harry I. Teplitz, Brent M. Smith, Rogier A. Windhorst, Marc Rafelski, Vihang Mehta, Anahita Alavi, Zhiyuan Ji, Gabriel Brammer, James Colbert, Norman Grogin, Nimish P. Hathi, Anton M. Koekemoer, Laura Prichard, Claudia Scarlata, Ben Sunnquist, Pablo Arrabal Haro, Christopher Conselice, Eric Gawiser, Yicheng Guo, Matthew Hayes, Rolf A. Jansen, Ray A. Lucas, Robert O’Connell, Brant Robertson, Michael Rutkowski, Brian Siana, Eros Vanzella, Teresa Ashcraft, Micaela Bagley, Ivano Baronchelli, Guillermo Barro, Alex Blanche, Adam Broussard, Timothy Carleton, Nima Chartab, Yingjie Cheng, Alex Codoreanu, Seth Cohen, Y. Sophia Dai, Behnam Darvish, Romeel Davé, Laura DeGroot, Duilia De Mello, Mark Dickinson, Najmeh Emami, Henry Ferguson, Leonardo Ferreira, Keely Finkelstein, Steven Finkelstein, Jonathan P. Gardner, Timothy Gburek, Mauro Giavalisco, Andrea Grazian, Caryl Gronwall, Shoubaneh Hemmati, Justin Howell, Kartheik Iyer, Sugata Kaviraj, Peter Kurczynski, Ilin Lazar, John MacKenty, Kameswara Bharadwaj Mantha, Alec Martin, Garreth Martin, Tyler McCabe, Bahram Mobasher, Kalina Nedkova, Charlotte Olsen, Lillian Otteson, Swara Ravindranath, Caleb Redshaw, Zahra Sattari, Emmaris Soto, L. Y. Aaron Yung, Bonnabelle Zabelle, the UVCANDELS team

    Published 2025-01-01
    “…Our stacking benefits from the catalogs of high-quality spectroscopic redshifts compiled from archival ground-based data and HST slitless spectroscopy, carefully vetted by dedicated visual inspection efforts. …”
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  5. 3165
  6. 3166

    CARBOXYLATO ADDUCTS AND DERIVATIVES CONTAINING SnR3 (R = Ph, Me) AND SnMe2 RESIDUES: SYNTHESIS, INFRARED AND MÖSSBAUER STUDIES by SEYDOU BASSENE, MOUHAMADOU SEMBENE BOYE, MAMADOU SIDIBE, LIBASSE DIOP

    Published 2019-09-01
    “… Twelve new carboxylato adducts and derivatives containing SnR3 (R = Ph, Me) and SnMe2 residues have been synthesized and characterized by elemental analyses, infrared and 119Sn-Mossbauer spectroscopies. The proposed structures are discrete or of infinite chain type, the carboxylate anion behaving as a bridging bidentate, a monodentate, a tetradentate or a monochelating ligand. …”
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  7. 3167

    Use of nuclear physics methods for investigation of short-range ordering and defects in iron based simulatuing alloys by Evstyukhina I.A., Kolotushkin V.P., Miloserdin V.Yu., Rudakov S.G., Stepanov S.V., Udovsky A.L., Chercastchenko M.V., Funtikov Yu.V.

    Published 2020-01-01
    “…The changes of short range ordering and electron density were investigated by means of the nuclear gamma-resonance and the positron annihilation spectroscopies in model alloys containing tungsten, chromium, molybdenum, and vanadium used as dopants. …”
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  8. 3168
  9. 3169

    BINOL Macrocycle Derivatives: Synthesis of New Dinaphthyl Sulfide Aza Oxa Thia Crowns (Lariats) by Abbas Shockravi, Shahram Mehdipour-Ataei, Esmael Rostami

    Published 2013-01-01
    “…All the materials were identified by IR, 1H NMR, 13C NMR, and mass spectroscopies, and elemental analysis.…”
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  10. 3170

    NEW PHOSPHINATO ORGANO- AND HALOTIN(IV) DERIVATIVES, ADDUCTS AND COMPLEXES: SYNTHESIS AND SPECTROSCOPIC STUDY by BASSENE SEYDOU, SEMBENE BOYE MOUHAMADOU, SIDIBE MAMADOU, DIOP LIBASSE

    Published 2020-01-01
    “… Five new phosphinato derivatives, adducts and complexes have been synthesized and characterized by infrared and Mössbauer spectroscopies. Based on their spectroscopic data discrete or infinite chain structures are proposed, the phosphinate ion behaving as a bicoordinating bridging or a monocoordinating ligand, the environments around the tin (IV) centers being octahedral or trigonal bipyramidal. …”
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  11. 3171

    Studies on Hydrogenation of Liquid Natural Rubber Using Diimide by Nur Hanis Adila Azhar, Naharullah Jamaluddin, Hamizah Md Rasid, Muhammad Jefri Mohd Yusof, Siti Fairus M. Yusoff

    Published 2015-01-01
    “…The LNR and HLNR structures were characterized by Fourier-transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopies. The percentage of hydrogenation was calculated from NMR spectrum. …”
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  12. 3172

    Synthesis, Characterization, and Spectroscopic Studies of Bis-(meso-4-methoxyphenyl)-Benziporphyrin and Its Pd-Metal Complex by Endale Mulugeta, Chang-Hee Lee

    Published 2021-01-01
    “…All intermediates and the final products are fully characterized using NMR, HMRS, and UV-Vis spectroscopies and briefly discussed.…”
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  13. 3173

    Mechanical Properties and Weathering Behavior of Polypropylene-Hemp Shives Composites by Marcel Ionel Popa, Silvia Pernevan, Cecilia Sirghie, Iuliana Spiridon, Dorina Chambre, Dana Maria Copolovici, Niculina Popa

    Published 2013-01-01
    “…The changes in the chemical and morphological structures were investigated by FT-IR and RAMAN spectroscopies and AFM microscopy. The mechanical characteristics of the composites were determined before and after an artificial aging process, and they are within the limits of the values reported for polyolefin-based composites and materials with natural fillers. …”
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    Article
  14. 3174

    Photophysical properties of two novel tetraphenylporphyrins substituted by guanidiniocarbonyl and monocyclic guanidine groups by Pavel Kubát, Kamil Lang, Vladimír Král, Franz P. Schmidtchen

    Published 2001-01-01
    “…Photophysical properties of two novel guanidiniocarbonyl (I) and monocyclic guanidine (II) tetraphenylporphyrins and their interaction with DNA were investigated by steady-state and time-resolved absorption and emission spectroscopies. I stays predominantly monomeric in aqueous solutions. …”
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  15. 3175

    Synthesis and Physicochemical Characterization of Chitin Derivatives by İlhan Uzun, Giray Topal

    Published 2013-01-01
    “…Then, chitin derivatives synthesized were characterized by FTIR, 1H NMR, 13C NMR, and U-Vis spectroscopies and scanning electron microscopy. Thermogravimetric analysis was performed to investigate the thermal stability of chitin derivatives. …”
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  16. 3176

    Effects of solar radiation on collagen-based biomaterials by Alina Sionkowska, Marcin Wisniewski, Joanna Skopinska, Diego Mantovani

    Published 2006-01-01
    “…The effect of solar radiation on collagen and collagen/synthetic polymer blends in the form of thin films and solutions has been studied by UV-VIS and FTIR spectroscopies. Films and solutions of collagen blended with poly(vinyl alcohol) (PVA) and poly(vinyl pyrrolidone) (PVP) were irradiated by solar light. …”
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  17. 3177

    Turning the Surface Electronic Effect Over Core‐Shell CoS2─FexCo1‐xS2 Nanooctahedra Toward Electrochemical Water Splitting in the Alkaline Medium by Lian‐Ming Lyu, Yu‐Chung Chang, Han‐Jung Li, Pei‐En Wang, Ruei‐Hung Juang, Ming‐Yen Lu, Cheng‐Shiuan Li, Chun‐Hong Kuo

    Published 2025-01-01
    “…By various X‐ray spectroscopies as well as electron microscopy, the results showed that the shells of CoS2─FexCo1‐xS2 nanooctahedra formed the {111} surfaces of Fe0.9Co1.0S2 and Fe0.25Co0.75S2 with and without the promotion by OH− anions during the syntheses. …”
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  18. 3178

    Photophysical studies of Zn(II) tetra, tert-butyl phthalocyanine by Ayari, Sami, Arnoux, Philippe, Ouzari, Hadda Imene, Frochot, Céline

    Published 2024-12-01
    “…This study investigates the ultraviolet–visible (UV–vis) absorption and fluorescence emission spectroscopies of tert-ZnPc(II), focusing on the impact of solvent polarity and the effect of different concentrations of water on UV–vis absorption behavior.…”
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  19. 3179

    Microwave-Assisted Regioselective Synthesis and 2D-NMR Studies of New 1,2,3-Triazole Compounds Derived from Acridone by Mohammed Aarjane, Siham Slassi, Bouchra Tazi, Amina Amine

    Published 2021-01-01
    “…The structure of the 1,4-disubstituted 1,2,3-triazoles has been elucidated by IR, HRMS, 1H-NMR, 13C-NMR, and 2D NMR (1H-13C HMBC, 1H-1H COSY, and 1H-1H NOESY) spectroscopies.…”
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  20. 3180

    Sampling electronic fock states using determinant quantum Monte Carlo by Shuhan Ding, Shaozhi Li, Yao Wang

    Published 2025-01-01
    “…The simulations of dynamical spectroscopies of the Hubbard and Kondo-lattice models further demonstrate the reliability and advantage of this method.…”
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