Lead–bismuth tungstate composite as protective barrier against gamma rays

Materials Chemistry and Physics ◽

10.1016/j.matchemphys.2021.125262 ◽

2021 ◽

pp. 125262

Author(s):

Eman E. Bayoumi ◽

Mahmoud O. Abd El-Magied ◽

Emad A. Elshehy ◽

Bahig M. Atia ◽

Karem A. Mahmoud ◽

...

Keyword(s):

Gamma Rays ◽

Bismuth Tungstate ◽

Protective Barrier

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Elevated gamma-rays shielding property in lead-free bismuth tungstate by nanofabricating structures

Journal of Physics and Chemistry of Solids ◽

10.1016/j.jpcs.2017.09.007 ◽

2018 ◽

Vol 112 ◽

pp. 185-189 ◽

Cited By ~ 15

Author(s):

Jun-Hua Liu ◽

Quan-Ping Zhang ◽

Nan Sun ◽

Yang Zhao ◽

Rui Shi ◽

...

Keyword(s):

Gamma Rays ◽

Lead Free ◽

Bismuth Tungstate

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Concrete as a protective barrier for gamma rays from radium

Journal of Research of the National Bureau of Standards ◽

10.6028/jres.042.038 ◽

1949 ◽

Vol 42 (5) ◽

pp. 431 ◽

Cited By ~ 4

Author(s):

Harold O. Wyckoff ◽

Robert J. Kennedy

Keyword(s):

Gamma Rays ◽

Protective Barrier

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Concrete as a protective barrier for gamma rays from cobalt-60

Journal of Research of the National Bureau of Standards ◽

10.6028/jres.044.014 ◽

1950 ◽

Vol 44 (2) ◽

pp. 157 ◽

Cited By ~ 7

Author(s):

R.J. Kennedy ◽

H.O. Wyckoff ◽

W.A. Snyder

Keyword(s):

Gamma Rays ◽

Protective Barrier

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On the possible gamma-ray source in Cygnus

Symposium - International Astronomical Union ◽

10.1017/s0074180900101391 ◽

1967 ◽

Vol 31 ◽

pp. 469-471

Author(s):

J. G. Duthie ◽

M. P. Savedoff ◽

R. Cobb

Keyword(s):

Gamma Rays ◽

Gamma Ray ◽

Right Ascension

A source of gamma rays has been found at right ascension 20h15m, declination +35°, with an uncertainty of 6° in each coordinate. Its flux is (1·5 ± 0·8) x 10-4photons cm-2sec-1at 100 MeV. Possible identifications are reviewed, but no conclusion is reached. The mechanism producing the radiation is also uncertain.

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Solar Flare Energetic Neutral Emission Measurements in the Project Coronas-I

International Astronomical Union Colloquium ◽

10.1017/s0252921100026208 ◽

1994 ◽

Vol 144 ◽

pp. 635-639

Author(s):

J. Baláž ◽

A. V. Dmitriev ◽

M. A. Kovalevskaya ◽

K. Kudela ◽

S. N. Kuznetsov ◽

...

Keyword(s):

Solar Flare ◽

Energy Range ◽

Gamma Rays ◽

Pulse Shape ◽

Gamma Ray ◽

Pulse Shape Discrimination ◽

Shape Discrimination ◽

Solar Neutron ◽

Low Altitude

AbstractThe experiment SONG (SOlar Neutron and Gamma rays) for the low altitude satellite CORONAS-I is described. The instrument is capable to provide gamma-ray line and continuum detection in the energy range 0.1 – 100 MeV as well as detection of neutrons with energies above 30 MeV. As a by-product, the electrons in the range 11 – 108 MeV will be measured too. The pulse shape discrimination technique (PSD) is used.

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Ovarian Dysfunction in Fetally Irradiated Beagles

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100080717 ◽

1977 ◽

Vol 35 ◽

pp. 658-659

Author(s):

T. M. Seed ◽

M. H. Sanderson ◽

D. L. Gutzeit ◽

T. E. Fritz ◽

D. V. Tolle ◽

...

Keyword(s):

Gamma Rays ◽

Low Dose ◽

Long Term Effects ◽

Ovarian Dysfunction ◽

Dose Rates ◽

Highly Sensitive ◽

Microscopic Evaluation ◽

Ovarian Pathology ◽

Normal Offspring

The developing mammalian fetus is thought to be highly sensitive to ionizing radiation. However, dose, dose-rate relationships are not well established, especially the long term effects of protracted, low-dose exposure. A previous report (1) has indicated that bred beagle bitches exposed to daily doses of 5 to 35 R 60Co gamma rays throughout gestation can produce viable, seemingly normal offspring. Puppies irradiated in utero are distinguishable from controls only by their smaller size, dental abnormalities, and, in adulthood, by their inability to bear young.We report here our preliminary microscopic evaluation of ovarian pathology in young pups continuously irradiated throughout gestation at daily (22 h/day) dose rates of either 0.4, 1.0, 2.5, or 5.0 R/day of gamma rays from an attenuated 60Co source. Pups from non-irradiated bitches served as controls. Experimental animals were evaluated clinically and hematologically (control + 5.0 R/day pups) at regular intervals.

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