Results 31 to 40 of about 7,706,107 (291)
The Astrophysical Journal, 2023 Freshly synthesized r -process elements in kilonovae ejecta imprint absorption features on optical spectra, as observed in the GW170817 binary neutron star merger. These spectral features encode insights into the physical conditions of the r -process and
Nicholas Vieira +6 more
doaj +1 more source
Discovery of the Elusive Carbonic Acid (HOCOOH) in Space
The Astrophysical Journal, 2023 A quarter century after the detection of the last interstellar carboxylic acid, acetic acid (CH _3 COOH), we report the discovery of a new one, the cis-trans form of carbonic acid (HOCOOH), toward the Galactic center molecular cloud G+0.693–0.027. HOCOOH
Miguel Sanz-Novo +14 more
doaj +1 more source
Detection and identification of microplastics directly in water by hyperspectral imaging [PDF]
EPJ Web of Conferences, 2023 We use hyperspectral imaging to identify the plastic types constituting mixtures of microplastics directly in water. For the current study we used known microplastics made by milling original pristine plastic sheets and mixed them in water.
Gebejes Ana +8 more
doaj +1 more source
, 2020 The concentration of MgO is one of the most important parameters in the phosphate ore flotation. The fast detection of the concentration of MgO has great significance for the optimization of the flotation, the improvement of the efficiency and the ...
Sun Lan-xiang +4 more
core +1 more source
Chemosensors, 2022 The increasing demand for rare earth elements (REE) requires faster analysis techniques for their rapid exploration. Laser-induced breakdown spectroscopy (LIBS) has on-site and real time analysis capability.
Muhammad Sher Afgan +6 more
doaj +1 more source
Infrared Spectroscopy of RNA Nucleosides in a Wide Range of Temperatures
LifeThe RNA world hypothesis suggests that early cellular ancestors relied solely on RNA molecules for both genetic information storage and cellular functions.
Susana Iglesias-Groth +2 more
doaj +1 more source
Line identifications in stars of spectral type SC
The Astrophysical Journal Supplement Series, 1989 Une identification des raies et longueurs d'onde, de 5850 a 6850 A, de l'etoile SC, CY Cyg, est ...
openaire +1 more source
On-line identification of MIMO evolving Takagi-Sugeno fuzzy models [PDF]
, 2004 Evolving Takagi-Sugeno (eTS) fuzzy models and the method for their on-line identification has been recently introduced as an effective tool for design of flexible system models with minimum a priori information.
Angelov, Plamen, Xydeas, C, Filev, D
core +2 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider +15 more
wiley +1 more source
LifeWe employed data from the Spitzer Space Telescope to investigate the presence of the aromatic amino acids tyrosine and phenylalanine in the interstellar gas of the young star cluster IC 348.
Susana Iglesias-Groth +3 more
doaj +1 more source