Academic Articles & Research Papers

Astronomy and Astrophysics :

From astronomy to astrophysics.

Astrophysics Source Code Library

The Astrophysics Source Code Library (ASCL), founded in 1999, is a free on-line registry for source codes of interest to astronomers and astrophysicists. The library is housed on the discussion forum for Astronomy Picture of the Day (APOD) ...

Astronomy and Astrophysics

Astrophysics of Cosmic Rays

Editor's preface. I. The astrophysics of cosmic rays (general review). II. General information on cosmic rays and on the interstellar medium. III. The proton-nuclear component of cosmic rays in the Galaxy. General questions. Chemical and is...

The physics of astrophysics.

ASTRONOMY AND ASTROPHYSICS

An Invitation to Astrophysics

This unique book provides a clear and lucid description of several aspects of astrophysics and cosmology in a language understandable to a physicist or beginner in astrophysics. It presents the key topics in all branches of astrophysics and...

An Introduction to Modern Astrophysics

An Introduction to Modern Astrophysics is a comprehensive, well-organized and engaging text covering every major area of modern astrophysics, from the solar system and stellar astronomy to galactic and extragalactic astrophysics, and cosmol...

Astronomy And Astrophysics

Astronomy and Astrophysics

Handbook of Space Astronomy and Astrophysics

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...

Encyclopedia of astronomy and astrophysics

A collaboration between the Institute of Physics Publishing and Macmillan Reference Ltd, this work presents an extensive and comprehensive reference on astronomy and astrophysics. It has 800 contributors, over 2500 entries, is extensively c...

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

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...

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

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...

Total Lymphocyte Count, Neutrophil-Lymphocyte Ratio, and Platelet-Lymphocyte Ratio as Prognostic Factors in Advanced Non-Small Cell Lung Cancer with Chemoradiotherapy [Corrigenudm]

Song X, Chen D, Yuan M, Wang H, Wang Z. Cancer Manag. 2018;10:6677– 6683On page 6677, Abstract, Results subheading, the median baseline PLR should be 136.1.On page 6680, Results section, 2nd paragraph, the median baseli...

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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...

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

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...

Dynamic analysis of the economic effects of population structural changes in the coming decades of Iran (with emphasis on the role of women)

The trend of population growth in the last three decades will cause extensive changes in the age structure of Iran's population. So that it can be one of the most important challenges of the country in the coming decades. This development w...

Effects of long-term exposure to air pollutant mixture on blood pressure in typical areas of North China

Background: Studies about the combined effects of gaseous air pollutants and particulate matters are still rare. Objectives: This study was performed based on baseline survey of the Diverse Life-Course Cohort in the Beijing-Tianjin-Hebei (B...