sacrum 发表于 2025-3-28 17:09:22
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Gérard Trottet,Nicole Vilmerinschlägiger klassischer Studien.Mit Definitionen, MerkblöckDas Lehrbuch bietet eine praxisnahe Einführung in Forschungslogik, theoretische Grundlagen, methodologische Prinzipien und methodische Vorgehensweisen der qualitativen Sozialforschung. Die wichtigsten Methoden werden anhand der klassischenobsession 发表于 2025-3-29 02:02:41
George M. Simnett,Constantine E. Alissandrakis,Louflourish 发表于 2025-3-29 06:34:40
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http://reply.papertrans.cn/88/8715/871457/871457_45.pngsenile-dementia 发表于 2025-3-29 15:23:08
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The structure and dynamics of the sun from helioseismology, and the neutrino problem,d in the underlying radiative envelope from the base of the convection zone to a depth of 0.3 . .. This poses severe constraints on the location of the solar cycle generation mechanism and the evolution of the solar angular momentum. Only recently, full operation of the helioseismic networks IRIS anOrdeal 发表于 2025-3-30 03:00:46
,Chromospheric dynamics — What can be learnt from numerical simulations,increases in importance with height..The simulations closely match the observed behaviour of Ca II H. bright grains down to the level of individual grains. The bright grains are produced by shocks near 1 Mm above where the optical depth is unity at 500 nm (. .=1). These shocks are primarily due to wAlbinism 发表于 2025-3-30 07:57:04
Energy release processes in active regions,r with individual episodes of contiguous acceleration of one minute. Elementary hard X-ray peaks have 5–10 s duration, corresponding to groups of beams observable as type III radio bursts. The rise time of these beams is of order 0.1 s. The smallest time scale is indicated in narrowband radio spikes