Results 1 to 10 of about 978,549 (119)
Journal of High Energy Physics, 2020 Abstract We discuss radiation in theories with scalar fields. Our key observation is that even in flat spacetime, the radiative fields depend qualitatively on the coupling of the scalar field to the Ricci scalar: for non-minimally coupled scalars, the radiative energy density is not positive definite, the radiated power is not ...
Fiol, Bartomeu, Martínez-Montoya, Jairo
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THE PENETRATING RADIATION [PDF]
Science, 1907 The announcement of the discovery of the penetrating radiation was made simultaneously by Rutherford and Cooke and McClennan and Burton in 1902. Investigations on radioactive substances had shown that some of these emit a very penetrating radiation, the γ radiation, resembling hard X‐rays.
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Annals of the New York Academy of Sciences, 1989 Encyclopedia article, 2 figures, 14 pages.
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Metaplastic Breast Cancer: To Radiate or Not to Radiate? [PDF]
Annals of Surgical Oncology, 2010 The role of radiation therapy (RT) is unclear for metaplastic breast cancer (MBC). We hypothesized that RT would improve overall survival (OS) and disease-specific survival (DSS).We used the Surveillance, Epidemiology, and End Results (SEER) database to identify MBC patients diagnosed from 1988 to 2006.
Warren H. Tseng, Steve R. Martinez
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Radiation Models and Radiation Transfer in Hypersonics [PDF]
The Open Plasma Physics Journal, 2014 The paper presents radiation models developed to investigate radiation in entry in Earth, Mars and Jupiter atmospheres. The capacity of ASTEROID computing code to simulate elementary radiative processes, calculate spectral and groups optical properties, and also solve simple radiative heat transfer problems is presented for Earth entry.
MY Perrin +6 more
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Quantum radiation and dissipation in relation to classical radiation and radiation reaction
Physical Review D, 2022 41 pages, 1 ...
Jen-Tsung Hsiang, Bei-Lok Hu
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Radiating and non-radiating sources in elasticity [PDF]
Inverse Problems, 2018 In this work, we study the inverse source problem of a fixed frequency for the Navier's equation. We investigate that nonradiating external forces. If the support of such a force has a convex or non-convex corner or edge on their boundary, the force must be vanishing there.
Eemeli Blåsten, Yi-Hsuan Lin
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The Radiation of the Stars [PDF]
Nature, 1917 I AM in general agreement with Mr. Jeans's remarks on the difficulty of obtaining a source of stellar energy more powerful than the Helmholtz contraction. It may be added that there is a conceivable source, which was, I believe, once suggested by Mr. Jeans himself, viz.
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Obstetrical & Gynecological Survey, 1973 Irradiation during pregnancy may occur either as the result of radioactive pollution of the environment, or during a medical procedure using x-rays or radionuclides. While the former is usually unforeseeable, the latter is known and accepted by both physician and patient.Recent statistics estimate that about one quarter of pregnant women have had a ...
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