Results 101 to 110 of about 254,332 (222)
Resumen: Lo real se resiste a las figuraciones cientificas y las manipulaciones politicas. El articulo aplica este punto de vista al conflicto ocasionado por la introduccion de osos en los Pirineos,. Surge a mediados de los 90, cuando el Ministerio de Medio Ambiente frances, apoyado por las asociaciones ecologistas y un amplio abanico de partidos ...
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The diffuse X-ray spectrum from 14-200 keV as measured on OSO-5 [PDF]
The measurement of energy spectrum of the diffuse component of cosmic X-ray flux made on the OSO-5 spacecraft is described. The contributions to the total counting rate of the actively shielded X-ray detector are considered in some detail and the ...
Dennis, B. R., Frost, K. J., Suri, A. N.
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Para poder seguir disfrutando de la presencia de los animales silvestres, hay que dejarlos en paz. Por eso, el Ministerio de Agricultura y Riego del Perú a través del Serfor Perú tiene algunas recomendaciones y de paso conozcamos algo más sobre el oso ...
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Recurrent X-ray outbursts from Aquila X-1 [PDF]
Aquila X-1 observations by the All Sky Monitor on Ariel 5 are presented. Data is compared with that obtained by rocket survey, and by the Uhuru, OSO 7, and OAO 3 satellites.
Boldt, E. A. +3 more
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Congenital hypertrophy of the retinal pigment epithelium (CHRPE) is of unknown etiology, manifesting as a pigmented fundus lesion (dark brown to black), flat and well demarcated, typically benign, asymptomatic, stable and generally non-progressive, located at the level of the retinal pigment epithelium (RPE)1.
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OSO-8 X-ray observations of AM Herculis [PDF]
Hard X-ray observations of the binary system AM Her were coincident with soft X-ray and ground-based optical measurements. In the 2-60 KeV band, variability was detected with an eclipse during phases 0.5 to 0.7 with respect to the 0.
Boldt, E. +4 more
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X-ray bursts from solar flares behind the limb [PDF]
X-ray bursts are identified from the UCSD OSO-7 X-ray experiment data. X-ray spectroheliograms of OSO-5, H alpha activity at the limb, and the emergence and disappearance of sunspot groups at the limb were studied and 17 active centers were found as ...
Datlowe, D. W., Roy, J. R.
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Extreme ultraviolet and X-ray spectroheliograph for OSO-H [PDF]
A complex scientific instrument was designed, fabricated, tested, and calibrated for launch onboard OSO-H. This instrument consisted of four spectroheliographs and an X-ray polarimeter.
Kieser, F. +3 more
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Renewable wind energy systems widely employ doubly fed induction generators (DFIGs), where efficient converter control ensures grid-integrated power system stability and reliability. Conventional proportional–integral (PI) controller tuning methods often
Kavita Behara, Ramesh Kumar Behara
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