Results 111 to 120 of about 58,213 (308)

On negative infrared flares of flare stars

The Astrophysical Journal, 1988
The basic formulation of the so-called fast electron hypothesis is presented. According to this hypothesis, the optical flares of UV Cet-type stars are caused by the inverse compton effect, i.e., nonthermal interactions of infrared photons with fast electrons (E equal to about 1.5 MeV), as well as nonthermal bremsstrahlung.
openaire   +1 more source

Atomic Scale Control of Thermal Conductivity in LaMnO3/SrMnO3 Superlattices

Advanced Electronic Materials, EarlyView.
Interface‐dominated cross‐plane thermal transport in [(LaMnO3)m/(SrMnO3)n]10 superlattices can be controlled by the octahedral rotation/tilt angle φOOR of the MnO6 octahedra, which as well is controlled by the “m/n” ratio. ABSTRACT We report atomic scale structure and phonon thermal transport in (LaMnO3)m/(SrMnO3)n/SrTiO3(100) superlattices (LMO/SMO ...
H. Ulrichs, V. Roddatis, U. Roß, J. P. Bange, D. Meyer, S. Lopatin, V. Radisch, D. Metternich, I. V. Maznichenko, S. Ostanin, R. Egoavil, I. Lazić, V. Moshnyaga   +12 more
wiley   +1 more source

Machine Learning Interatomic Potentials for Energy Materials: Architectures, Training Strategies, and Applications

Advanced Energy Materials, EarlyView.
Machine learning interatomic potentials bridge quantum accuracy and computational efficiency for materials discovery. Architectures from Gaussian process regression to equivariant graph neural networks, training strategies including active learning and foundation models, and applications in solid‐state electrolytes, batteries, electrocatalysts ...
In Kee Park, Saeed Pourasad, Jinhong Mun, Arunkumar Chitteth Rajan, Tae Hyeon Park, Anand Rohit, Mohammad Zafari, Tan‐Lien Pham, Eunjae Jung, Bonseung Koo, Miran Ha, Gi Beom Sim, Hyun Gyu Park, Won Woong Choi, Kwanghyeon Jo, Soohaeng Yoo Willow, David ChangMo Yang, Chang Woo Myung, Geunsik Lee, Kwang S. Kim   +19 more
wiley   +1 more source

High-Quality Fast QPOs from Magnetars: An Electric Circuit Model

Open Astronomy, 2011
An interpretation of high-frequency (20-2400 Hz) fast quasiperiodic oscillations of magnetars in terms of an equivalent electric circuit is given. Observed periods and the very high quality of quasi-periodic oscillations are explained.
Stepanov Alexander, Zaitsev Valery, Valtaoja Esko   +2 more
doaj   +1 more source

Single‐Incision Laparoscopy‐First Strategy in Crohn's Disease: Risk Factors for Conversion and Surgical Outcomes

Annals of Gastroenterological Surgery, EarlyView.
In this retrospective study of 289 patients with Crohn's disease undergoing a single‐incision laparoscopy‐first (SILS‐first) strategy, conversion to open surgery was required in only 11.8% of cases. Fistula formation, colon resection, and smoking history were identified as independent risk factors for conversion, while postoperative complications and ...
Yuki Horio, Motoi Uchino, Yusuke Tomoo, Kentaro Nagano, Kurando Kusunoki, Ryuichi Kuwahara, Kei Kimura, Kozo Kataoka, Masataka Ikeda, Hiroki Ikeuchi   +9 more
wiley   +1 more source

Chronic Rhinosinusitis and Nasal Polyps in Eosinophilic Granulomatosis With Polyangiitis: A Scoping Review

International Forum of Allergy &Rhinology, EarlyView.
ABSTRACT Background Chronic rhinosinusitis (CRS) is one of the most common manifestations of eosinophilic granulomatosis with polyangiitis (EGPA), often preceding the diagnosis of systemic vasculitis by several years. The sinonasal presentation of EGPA typically resembles CRS with nasal polyps (CRSwNP), making it clinically indistinguishable from those
Alisha Sharma, Alyssa Y. Li, Teruko Kishibe, Dennis Wong, Kevin M. Sanders, Maggie Jiang, Heedo Lee, Christine Song, Kieran Mcintyre, Christian Pagnoux, Yvonne Chan, John M. Lee, Daniel J. Lee   +12 more
wiley   +1 more source

Multispectral Study Of Major Solar Flares Toward Flares Predictions [PDF]

, 2018
Major solar flares (X-class) are the most dangerous solar activities for the Earth in terms of space weather. It is due to a magnetic eruption and sudden release of intense magnetic energy at active regions (AR). The main objective of this research is to
Roslan, Muhamad Akram Zaki
core  

Unexpected X-ray flares

, 2016
Two sources of highly energetic flares have been discovered in archival X-ray data of 70 nearby galaxies. These flares have an undetermined origin and might represent previously unknown astrophysical phenomena.
Sergio Campana, CAMPANA, Sergio
core   +1 more source

COVID-19 vaccination in patients on biologic or targeted-synthetic disease modifying anti-rheumatic drug therapy: A multi center real-world data

Asian Pacific Journal of Tropical Medicine
Objective: To assess the effectiveness of COVID-19 vaccination in patients with rheumatic diseases undergoing biologic (bDMARDs) or targeted-synthetic disease-modifying anti-rheumatic drugs (tsDMARDs). Methods: This cross-sectional study was conducted at
Tuba Demirci Yildirim, Cansu Akleylek, Derya Yıldırım, Haluk Cinakli, Selda Hakbilen, Belkıs Nihan Coşkun, Burak Okyar, Özlem Özdemir Işık, Rabia Pişkin Sağır, Hakan Apaydın, Ali Karakaş, Yeşim Erez, Tuba Yüce İnel, Semih Gülle, Abdurrahman Tufan, Servet Akar, Sema Yılmaz, Neslihan Yılmaz, Yavuz Pehlivan, Gözde Yıldırım Çetin, Ayşe Çefle, Süleyman Serdar Koca, Şükran Erten, Ediz Dalkılıç, Ayten Yazıcı, Gerçek Şen, İsmail Sarı, Ahmet Merih Birlik, Fatoş Onen   +28 more
doaj   +1 more source

Statistical Analysis of Langmuir Waves Associated with Type III Radio Bursts: I. Wind Observations

Open Astronomy, 2011
Interplanetary electron beams are unstable in the solar wind and they generate Langmuir waves at the local plasma frequency or its harmonic. Radio observations of the waves in the range 4-256 kHz, observed in 1994-2010 with the WAVES experiment onboard ...
Vidojević S., Zaslavsky A., Maksimović M., Dražić M., Atanacković O.   +4 more
doaj   +1 more source