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Advances and perspectives for receiver function imaging of the Earth's internal discontinuities and velocity structures

Ling Chen, Xu Wang, Xin Wang, Zigen Wei et al. • 地球与行星物理论评 (2022)

Studying the structures, properties and origins of the Earth's internal discontinuities is an important part in the efforts to understand the physical and chemical properties of the layered Earth, as well as to explore the dynamic processes...

DOAJ Open Access (DOAJ) DOI: 10.19975/j.dqyxx.2022-029

An IXPE-led X-Ray Spectropolarimetric Campaign on the Soft State of Cygnus X-1: X-Ray Polarimetric Evidence for Strong Gravitational Lensing

James F. Steiner, Edward Nathan, Kun Hu, Henric Krawczynski et al. • The Astrophysical Journal Letters (2024)

We present the first X-ray spectropolarimetric results for Cygnus X-1 in its soft state from a campaign of five IXPE observations conducted during 2023 May–June. Companion multiwavelength data during the campaign are likewise shown. The 2–8...

DOAJ Open Access (DOAJ) DOI: 10.3847/2041-8213/ad58e4

A Deep SETI Search for Technosignatures in the TRAPPIST-1 System with FAST

Guang-Yuan Song, Zhen-Zhao Tao, Bo-Lun Huang, Bo Yu et al. • The Astronomical Journal (2026)

The Five-hundred-meter Aperture Spherical Telescope (FAST) is the world’s largest single-dish radio telescope, and the search for extraterrestrial intelligence (SETI) is one of its five key science objectives. We conducted a targeted search...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-3881/ae8516

Astrophysics for Physicists

Arnab Rai Choudhuri • Cambridge University Press eBooks (2010)

Designed for teaching astrophysics to physics students at advanced undergraduate or beginning graduate level, this textbook also provides an overview of astrophysics for astrophysics graduate students, before they delve into more specialize...

OPENALEX DOI: https://doi.org/10.1017/cbo9780511802218

D-brane and exponential potentials inspire warm inflation and swampland conjecture

Shama Sadiq, Nadeem Azhar, N. Myrzakulov, S. Toktarbay et al. • Nuclear Physics B (2025)

This research explores the rapid expansion period of the early universe by applying the Chaplygin gas model, an alternative cosmological framework, to analyze the dynamics of inflationary processes. This study assesses the compatibility of ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nuclphysb.2025.116981

TeV Diffuse Emission From the Inner Galaxy

Amid Nayerhoda, Francisco Salesa Greus, Sabrina Casanova • Frontiers in Astronomy and Space Sciences (2018)

The TeV diffuse emission from the Galactic plane is produced by multi TeV electrons and nuclei interacting with radiation fields and ambient gas, respectively. Measurements of the TeV diffuse emission help constrain CR origin and transport ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fspas.2018.00008

Handbook of Space Astronomy and Astrophysics

Martin V. Zombeck • Cambridge University Press eBooks (2006)

Fully updated and including data from space-based observations, this Third Edition is a comprehensive compilation of the facts and figures relevant to astronomy and astrophysics. As well as a vast number of tables, graphs, diagrams and form...

OPENALEX DOI: https://doi.org/10.1017/cbo9780511536359

Analytically Computing the Moments of a Conic Combination of Independent Noncentral Chi-Square Random Variables and Its Application for the Extended Cox–Ingersoll–Ross Process with Time-Varying Dimension

Sanae Rujivan, Athinan Sutchada, Kittisak Chumpong, Napat Rujeerapaiboon • Mathematics (2023)

This paper focuses mainly on the problem of computing the γth, γ>0, moment of a random variable Yn:=∑i=1nαiXi in which the αi’s are positive real numbers and the Xi’s are independent and distributed according to noncentral chi-square distri...

DOAJ Open Access (DOAJ) DOI: 10.3390/math11051276

Generational Differences in Dietary Behaviours: A Cross-Sectional Study of Generations X, Y, and Z [version 1; peer review: 2 approved]

Jenan Alanazi, Ethar Alanazi, Reema Almuhayd, Saja Alanazi et al. • F1000Research (2025)

Background Dietary behaviours influence obesity and chronic disease. In Saudi Arabia, Westernised diets and sedentary lifestyles have driven rising obesity. This study explores generational dietary patterns to inform Saudi Vision 2030 plann...

DOAJ Open Access (DOAJ) DOI: 10.12688/f1000research.167810.1

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Y. Tuvaleva, T. Samsonov • InterCarto. InterGIS (2014)

The work is dedicated to description of Russian settlements patterns using spatial statistics. Spatial statistics is a powerful analysis method which reveals the properties of 2D point distributions. The methods differ from each other in is...

DOAJ Open Access (DOAJ)

Assessment of the learning environment among medical students at Tabuk University, Saudi Arabia: a cross-sectional study

Albaraa A. Altowijri • Frontiers in Medicine (2026)

BackgroundThe learning environment (LE) is integral to medical students’ academic performance, emotional well-being, and professional development. Students’ perceptions of their learning environment provide valuable insights for identifying...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmed.2026.1816941

Activation of Coagulation and Fibrinolysis in Acute Respiratory Distress Syndrome: a Prospective Pilot Study

Agnese Ozolina, Agnese Ozolina, Marina Sarkele, Marina Sarkele et al. • Frontiers in Medicine (2016)

Introduction: Coagulation and fibrinolysis remain sparsely addressed with regards to acute respiratory distress syndrome (ARDS). We hypothesized that ARDS development might be associated with changes in plasma coagulation and fibrinolysis. ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmed.2016.00064

Associations of subclinical autistic-like traits with brain structural variation using diffusion tensor imaging and voxel-based morphometry

Yvonne Schröder, Daniela Michelle Hohmann, Tina Meller, Ulrika Evermann et al. • European Psychiatry (2021)

Abstract Background Previous case–control studies of autistic spectrum disorder (ASD) have identified altered brain structure such as altered frontal and temporal cortex volumes, or decreased fractional anisotropy (FA) within the inferior ...

DOAJ Open Access (DOAJ) DOI: 10.1192/j.eurpsy.2021.15