Il Nuovo Cimento C

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Evidence of internal gravity waves in the lower thermosphere at midlatitudes
Il Nuovo Cimento C - Tập 4 Số 1 - Trang 1-25 - 1981
Cevolani, G., Formiggini, C.
Wind measurements were made by the CNR Meteor Radar Station at Budrio (45°N, 12°E) in the April–September 1978 period in order to emphasize the role of internal gravity (IG) waves in the lower thermosphere ((80÷110) km). After briefly describing the basic properties of these waves, we determine some of their characteristics using both the conventional spectral-analysis methods and alternatively, f... hiện toàn bộ
Diffuse galactic and extragalactic radiation in the far infra-red
Il Nuovo Cimento C - Tập 8 Số 4 - Trang 353-367 - 1985
Ceccarelli, C., Dall'Oglio, G., De Bernardis, P., Masi, D., Melchiorri, B., Melchiorri, F., Moreno, G., Pietranera, L.
We present the results of a balloon flight devoted to the observation of the diffuse sky radiation in the wave-length region (150÷400) and (350÷3000) μm, at angular scales larger than six degrees. Observations of dust emission and distribution are discussed.
Solitary waves in the gulf of quarnaro revealed by LANDSAT thematic mapper
Il Nuovo Cimento C - Tập 17 Số 2 - Trang 143-152 - 1994
Borzelli, G., Marullo, S., Ligi, R., Cannizzaro, G.
The propagation of solitary wave trains in the Adriatic Sea is studied by means of LANDSAT Thematic-Mapper images. The baroclinic Rossby radius of deformation has been estimated from the width of a baroclinic current observed along the coast of Croatia using AVHRR data. The phase speed of the linear internal waves has been consequently estimated and the compatibility of the Kortweg-de Vries equati... hiện toàn bộ
A propos des formules de Sutton
Il Nuovo Cimento C - Tập 1 Số 5 - Trang 389-394 - 1978
Lacaze, J.
The establishment of the fundamental Sutton's formula is criticized; this formula is recovered by a more correct mathematical reasoning, and generalized. Applications are only evoked. Si critica l'impostazione della formula fondamentale di Sutton; si ricupera questa formula con un ragionamento matematico più corretto e la si generalizza. Alle applicazioni si accenna solo. Критикуется вывод фундаме... hiện toàn bộ
Solar neutrinos, the presolar abundance of helium and the solar metallicity
Il Nuovo Cimento C - Tập 9 Số 3 - Trang 714-724 - 1986
Rana, N. C., Wilkinson, D. A.
The observational estimates of the presolar abundance of helium (Y s) are reviewed and a lower value ofY s ({-0.19 by mass fraction) is suggested to solve the solar-neutrino problem. With this reduced value ofY s it is argued from the point of view of maintaining the luminosity of the Sun at its observed level that the metallicity requirement isZ s{-0.013. Previous workers, while considering lower... hiện toàn bộ
Measurement of cosmogenic radionuclides in meteorites with a sensitive gamma-ray spectrometer
Il Nuovo Cimento C - Tập 15 Số 1 - Trang 99-104 - 1992
Bonino, G., Castagnoli, G. Cini, Bhandari, N.
A large-volume HPGe gamma-ray spectrometer in a NaI(Tl) well has been set up underground at 70 m.w.e. depth for whole body counting of cosmogenic radionuclides in meteorites. The detectors are housed in a 20 cm thick lead shield with a lining of cadmium and OFHC copper. The scintillator is simultaneously operated in anticoincidence as well as in coincidence in selected energy channels to achieve l... hiện toàn bộ
The «lugo» fireball of January 19, 1993
Il Nuovo Cimento C - Tập 16 Số 4 - Trang 463-471 - 1993
Cevolani, G., Foschini, L., Trivellone, G.
Observational data and the theory of the interaction of meteoroids with the Earth’s atmosphere enable us to characterize the spectacular fireball which was observed to cross Northern Italy from SE to NW on January 19, 1993, ending at about 00∶33 h UT with an explosion approximately over the town of Lugo di Romagna. For estimated visual magnitudesM v=−22⋎−25 at the peak of the light curve correspon... hiện toàn bộ
Theoretical and experimental power spectra of neutron monitor time series in 1978
Il Nuovo Cimento C - Tập 3 Số 3 - Trang 267-272 - 1980
Bergamasco, L., Alessio, S.
A comprehensive model for the spectral analysis of neutron monitor data is presented. The contributions to the power spectrum include scintillations in the interplanetary magnetic field caused by cosmic-ray diffusion along and perpendicularly to the field and Forbush-decrease effects. The effects of the Earth's rotation and of nonlinear interactions between particles and fields are taken into acco... hiện toàn bộ
The experiment OPERA for the mission Interball
Il Nuovo Cimento C - Tập 13 Số 1 - Trang 155-161 - 1990
Amata, E., Baldetti, P., Bellucci, G., Formisano, V., Morbidini, A., Orsini, S., Pavoni, A., Terenzi, R., Viterbini, M.
An experiment for measuring the electric field along 2 axes from quasi-static DC to kHz called OPERA is being produced at IFSI for the USSR mission Interball. An experiment description is given here. The experiment is in collaboration with ESTEC (ESA) and LPCE (Orléans, France).
Reversible electron heatingvs. Wave-particle interactions in quasi-perpendicular shocks
Il Nuovo Cimento C - Tập 15 Số 5 - Trang 607-619 - 1992
Veltri, P., Mangeney, A., Scudder, J. D.
The energy necessary to explain the electron heating in quasiperpendicular collisionless shocks can be derived either from the electron acceleration in the d.c. cross shock electric potential, or by the interactions between the electrons and the waves existing in the shock. A Monte Carlo simulation has been performed to study the electron distribution function evolution through the shock structure... hiện toàn bộ
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