保留
发表于 2025-3-28 14:34:31
Aus der Geschichte des Elektronenmikroskops,t in the neighbourhood of a magnetized sphere of lodestone—a . as he termed it—the magnetic field was directed in a similar manner to the field observed at the surface of the earth. Thus by this simple model experiment . came to his well-known conclusion, “.”.
自传
发表于 2025-3-28 19:01:45
,L’agitation microséismique,nt été étudiés par tant d’auteurs professant les opinions les plus contradictoires (468 références dans [.]), qu’il est difficile de voir clairement leurs causes. Décrivons d’abord les phénomènes observés.
lymphedema
发表于 2025-3-29 02:05:16
Radioactivity and Age of Minerals,adioactivity present in rocks and minerals, to which subject part D of this chapter is devoted. This is also important in other branches of physics of the earth. For example, much of the earth’s heat is generated by its radioactive elements.
禁止,切断
发表于 2025-3-29 03:38:23
,The Magnetism of the Earth’s Body,t in the neighbourhood of a magnetized sphere of lodestone—a . as he termed it—the magnetic field was directed in a similar manner to the field observed at the surface of the earth. Thus by this simple model experiment . came to his well-known conclusion, “.”.
cruise
发表于 2025-3-29 08:35:09
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引起痛苦
发表于 2025-3-29 14:43:39
Seismic Prospecting,tion and refinement of instruments, field methods, and interpretation techniques. It is the most expensive method of geophysical prospecting, but also the most powerful. In many areas it can map beds many thousands of feet deep and detect depth variations of the order of a few feet.
overbearing
发表于 2025-3-29 18:47:04
Messung elastischer Eigenschaften von Gesteinen,o am Gesteinskörper unter seinen natürlichen Bedingungen in der Natur möglich und vorzuziehen. Demgegenüber besitzen Untersuchungen an Proben . vor allem meßtechnische Vorteile, wobei jedoch auf die oben genannten Einflüsse geachtet werden muß, wenn man die an kleinen Proben gewonnenen Ergebnisse auf das umgebende Gestein übertragen will.
Abrupt
发表于 2025-3-29 22:16:38
https://doi.org/10.1007/978-3-642-91279-5proprement parler. Le courant tellurique est essentiellement un courant variable dont l’intensité, la direction, le sens même varient d’une façon très capricieuse en fonction du temps. Il est possible qu’il présente une composante continue, mais en tout cas très petite, dont la réalité même est considérée aujourd’hui comme douteuse.
炼油厂
发表于 2025-3-30 03:55:05
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贸易
发表于 2025-3-30 05:28:09
The Rotation of the Earth, and the second, the unit of time. Material standards of length and mass are provided by the International Prototype Metre and Kilogram, preserved at the International Bureau of Weights and Measures at Sèvres, near Paris. Any length or mass can be compared either directly or indirectly with sub-stan