The influence of a high-gradient, low-frequency electromagnetic field on the working ability of an altered motor structure
Sazonova, T.Y. · 1964
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Sazonova, T.Y. · 1964
Sagov S · 1964
L. Minecki · 1964
Yu. A. Osipov, T. V. Kalyada · 1964
G. AKOYUNOGLOU · 1964
Bartonicek V, Klimkov E · 1964
Z. V. Gordon · 1964
A. A. FUREDI, I. OHAD · 1964
Researchers exposed human erythrocytes to a 120 megacycles/sec electric field for 1-5 sec. Young erythrocytes in hypotonic sucrose elongated parallel to the field by 2-4 times the normal cell diameter and rotated without changing direction. Old erythrocytes did not elongate or rotate but formed chains parallel to the field, with less than 10% of old cells showing elongation versus more than 90% of young cells.
Richard A. Carleton et al. · 1964
T. S. ELY, D. E. GOLDMAN, J. Z. HEARON · 1964
The study used a 2880 Mc/sec radar transmitter to expose the flanks of rats, rabbits, and dogs for whole-body heating observations. Restricted area fields were used to study heating and cooling of eyes and testes. The testis was identified as the limiting factor for hazard in most exposure circumstances.
Gordon, Z. V., Yeliseyev, V. V. · 1964
William R. Deichmann et al. · 1963
Milton M. Zaret et al. · 1963
George D. Brunner et al. · 1963
Researchers aimed to determine heating patterns and temperature distributions from 2,450 and 900 mc microwave diathermy using pig thigh specimens composed of skin, fat, and muscle. The 900 mc frequency penetrated tissue more deeply and produced relatively more heat in muscle, while 2,450 mc deposited more heat in subcutaneous fat. For patients with up to 2 cm of subcutaneous fat, 900 mc yielded the highest temperature in muscle whereas 2,450 mc still peaked in fat.
Allan H. Frey · 1963
Bielicki Z, Baranski S, Czerski P, Haduch S · 1963
Horodets'ka SF · 1963
Z. V. GORDON et al. · 1963
Ye.L. Kulikovskaya · 1963
John J. Kulik · 1963
L. Birenbaum et al. · 1963
The researchers used continuous-wave microwave radiation at 5.5 kmc/sec to determine the threshold power levels that produce lens changes in rabbits after a single exposure. The results obtained are summarized in Fig. IV-5. Lens injury appeared by the fourth day as a small localized opacity at the anterior lens surface or a more extensive cataractous change in the anterior portion. The opacities either regressed, grew then regressed, progressed to a complete cataract, or occasionally resolved completely.
P. C. CONSTANT, JR., E. J. MARTIN, JR. · 1963
The RAD HAZ program was divided into Bio-Effects, HERO, and SPARKS subprograms to study hazards to personnel, ordnance, and flammable materials. Midwest Research Institute has worked on the program since May 1959 to gather data for radiation hazard standards. A tentative exposure limit of 10 mw/cm² for whole-body human irradiation was accepted by the Armed Forces but was not a universal standard. Animal research over four years showed that high RF fields can cause cataracts, burns, headaches, and fever, though no human fatalities were known.
A. S. Presman · 1963
R.A.E. Thomson, S.M. Michaelson, J.W. Howland · 1963
G. H. Mickey · 1963