Results 101 to 110 of about 7,531,517 (303)

Compact source of soft X-rays [PDF]

open access: yes, 1974
Sources of soft X-rays uses alpha particles to fluoresce light elements such as boron, carbon, and magnesium. X-ray wavelengths are varied by changing target.
Gorenstein, P., Harris, B.
core   +1 more source

A Comparison of in vivo Cellular Responses to CS-137 Gamma Rays and 320-KV X Rays

open access: yesDose-Response, 2013
Research reported here relates to comparing the relative effectiveness of 320-kV X rays compared to Cs-137 gamma rays for two in vivo endpoints in C.B-17 mice after whole-body exposure: (1) cytotoxicity to bone marrow cells and splenocytes evaluated at ...
B. R. Scott   +3 more
doaj   +1 more source

X-ray Polarimetry of X-ray Pulsars

open access: yesGalaxies
Radiation from X-ray pulsars (XRPs) was expected to be strongly linearly polarized owing to a large difference in their ordinary and extraordinary mode opacities. The launch of IXPE allowed us to check this prediction. IXPE observed a dozen X-ray pulsars, discovering pulse-phase dependent variation of the polarization degree (PD) and polarization angle
Juri Poutanen   +2 more
openaire   +3 more sources

Remote sensing X-ray spectrometer [PDF]

open access: yes, 1972
Spectrometer measures chemical composition of lunar rocks by remote sensing from orbit and senses lunar X-rays produced by interaction of solar X-rays and elements on the lunar surface.
Adler, I.   +3 more
core   +1 more source

Modeling Gamma-Ray Emission From the High-Mass X-Ray Binary LS 5039 [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2012
A few high-mass X-ray binaries–consisting of an OB star plus compact companion– have been observed by Fermi and ground-based Cerenkov telescopes like High Energy Stereoscopic System (HESS) to be sources of very high energy (VHE; up to 30 TeV) γ-rays ...
Stan Owocki   +2 more
doaj   +1 more source

On the Intensity of Total Scattering of X-Rays

open access: yes, 1929
We shall here investigate theoretically the intensity of total scattering of X-rays by atoms distributed at random, e. g. , the scattering by the atoms of a monatomic gas.
I. Waller, D. Hartree
semanticscholar   +1 more source

X-RAY MONITORING OF ULTRALUMINOUS X-RAY SOURCES [PDF]

open access: yesThe Astrophysical Journal, 2009
X-ray monitoring observations were performed with the Swift observatory of the ultraluminous X-ray sources Holmberg IX X-1, NGC 5408 X-1, and NGC 4395 X-2 and also of the nuclear X-ray source in NGC 4395. Holmberg IX X-1 remains in the hard X-ray spectral state as its flux varies by a factor of 7 up to an (isotropic) luminosity of 2.8E40 erg/s.
Philip Kaaret, Hua Feng
openaire   +3 more sources

Densitometer system for liquid hydrogen has high accuracy, fast response [PDF]

open access: yes, 1966
Developmental densitometer system for cryogenic liquids uses two balanced ionization chambers containing xenon gas, with X rays as the radiation source. The X rays are heavily filtered with a lead shield to make the energy spectrum much less dependent on

core   +1 more source

Analisa Difraksi Sinar-X pada Baja Tahan Karat Austentitik dan Feritik (Uji Laboratorium)

open access: yesJournal of Dentistry Indonesia, 2015
X- rays with wavelength in the range 0,5 to 2,5 Å, have a very short wavelength compare to the visible light wavelength in order of 6000 Å. Therefore, x-rays can be used for determination of the finest structure of materials by using the x-rays ...
Siti Triaminingsih
doaj   +1 more source

A note on X-rays of permutations and a problem of Brualdi and Fritscher [PDF]

open access: yesarXiv, 2017
The subject of this note is a challenging conjecture about X-rays of permutations which is a special case of a conjecture regarding Skolem sequences. In relation to this, Brualdi and Fritscher [Linear Algebra and its Applications, 2014] posed the following problem: Determine a bijection between extremal Skolem sets and binary Hankel X-rays of ...
arxiv  

Home - About - Disclaimer - Privacy