CHIDE 发表于 2025-3-26 22:36:46
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L. Davisdieser Hypothesen hängt vom Material des Bauteiles, der Art seines Versagens, dem Zeitablauf der Belastung, der Temperatur des Bauteiles und weiteren möglichen Einflüssen ab. Diese Vielfalt kann nur unter einschränkenden Bedingungen berücksichtigt werden. Im Folgenden betrachten wir Materialien, die粗鲁的人 发表于 2025-3-27 11:17:52
R. Lüstschon gesagt, daß wir zum Aufbau der Mechanik - genau so wie z. B. in der Geometrie - von Axiomen ausgehen müssen. Diese werden uns durch Beobachtung und Erfahrung eingegeben und lassen sich logisch nicht ableiten; ihre "Richtigkeit" erweist sich dadurch, daß die aus ihnen hervorgehenden Gesetze sich mit der 978-3-662-01541-4SMART 发表于 2025-3-27 16:40:21
Observational Aspects of Galactic Magnetic Fieldsation measures of extragalactic radio sources and even the spurs and ridges in galactic continuum emission. There are critics who inherently distrust models that account for too many things at one time, but I feel that we should try to account for as many things as possible with the least number of序曲 发表于 2025-3-27 18:02:02
The Solar Wind — An Example of a Cosmical Plasma and a Stellar Windnd several solar radii from the Sun there are no collisions among the gas particles (one solar radius [..] is 7.0 × 10. cm; 1 AU is 215 ..). Only near the Sun the collision rate is sufficiently high to maintain isotropy of the thermal particle motions and to produce ordinary fluid behavior. At large激怒 发表于 2025-3-28 01:44:11
Review of Cosmical Gas Dynamicsen more cautious when I agreed to this title about two years ago. For it means that, if I do my job well, you will know the present status of all problems and the Symposium is finished today. However, I am sure that, no matter how I try, there will remain enough for other speakers and for other daysquiet-sleep 发表于 2025-3-28 03:53:48
Some Characteristics of Interstellar Gas in the Galaxy great breadth would permit discussion of essentially any aspect of the Galaxy, we shall narrow the view and direct attention primarily towards the larger-scale features of the system. In particular, effort will be made to place emphasis on those areas of the subject in which problems of interpretatSubdue 发表于 2025-3-28 08:12:11
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Discussion Following the Reports by Weaver and Field Low-Energy Cosmic Rays; (2) The Boundary Layer between the Stable Gas Phases; (3) Theoretical Aspects of Interstellar Gas Dynamics and the Formation of Clouds; (4) Observational Aspects of Interstellar Gas Dynamics and the Formation of Clouds; (5) Observations of the Rarefied, Neutral Intercloud Me