Effect of microwaves on rats subjected to the action of gaseous media with altered content of oxygen and chemical agents of antioxidant action
Koldaev VM · 1972
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Koldaev VM · 1972
Boczyoski E., Zyss R. · 1972
Unknown authors · 1972
Nicholas Wade · 1972
Charles E. White · 1972
LCDR William Houk, MC, USN · 1972
V. M. Koldaev · 1972
Rats were subjected to microwave irradiation at a wavelength of 12.6 cm and frequency of 2380 Mc/s. Their resistance during inhalation of gaseous mixtures with reduced oxygen content and following introduction of some chemical agents was investigated. The duration of survival correlated with the extent of the muscle relaxant and chemical content. Chemical treatment at this level was accompanied with shortening and its increase with lengthening of the experimental period.
Henryk R. Kucia · 1972
W. F. Krueger, A. J. Giarola, J. W. Bradley, S. R. Darvall · 1972
Grechuskina, V.A. · 1972
Cataracts developed in 23 rabbits, appearing first in the posterior lens suture and later regressing over two to three months. During cataract formation, ascorbic acid and thiol groups in the lens decreased sharply. During regression, ascorbic acid and thiol group levels returned to normal.
David Cohen, Edward Givler · 1972
Unknown authors · 1972
The guide defines radio frequency and microwave bands from 10 MHz to 300 GHz and describes common sources such as radar, communication systems, medical diathermy, and microwave ovens. It explains that microwaves interact with tissue mainly by converting electromagnetic energy to heat, with penetration depth depending on wavelength. ANSI recommends a maximum power density of 10 mW/cm² for exposures of 0.1 hour or more. ACGIH sets a threshold limit value of 10 mW/cm² for continuous exposure and 25 mW/cm² for intermittent exposure.
Blanchi, D., L. Cedrini, F. Ceria, E. Meda, G.G. Re · 1972
Przemyslaw Czerski, Mieczyslaw Piotrowski · 1972
R. Zyss, E. Boczynski · 1972
Researchers exposed guinea pigs to microwaves of 2 mW/cm² intensity and 10 cm wavelength and examined morphological state, glycogen, and nucleic acids in Corti's organ. They observed degeneration of cytoplasm, pyknosis or swelling of nuclei, and swelling or vacuolar changes in the cytoplasm. The organ of Corti contained abundant glycogen only in outer hair cells. Microwave irradiation caused a marked decrease in that glycogen content.
J. Tajchert, E. Chmurko · 1972
Charles J. Chilton · 1972
Richard A. Tell · 1972
Itsuo Yamaura, Goro Matsumoto · 1972
not clearly visible · 1972
Hand placement on the probe grip caused variations of less than a few percent, while improper placement produced erratic readings. The Model 8221 probe covers all current and proposed leakage standards (1.0, 5.0, and 10 mW/cm²) within its most accurate range.
R. L. Vilenskaya et al. · 1972
W. A. G. VOSS, C. WARBY, R. RAJOTTE, M. J. ASHWOOD-SMITH · 1972
Taylor J R · 1972
Tell R A · 1972
The document illustrates methods for calculating power density and other values associated with environmental radiation from radiofrequency emitters. The report notes that biological effects research precludes specific conclusions about hazardous levels, though general exposure guidelines have been established.
Unknown authors · 1972