投降
发表于 2025-3-21 18:44:58
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反复拉紧
发表于 2025-3-21 21:24:33
Theory of Cascade Showers,f the photons again reproduces electrons through the pair creation process, so that as a result of these interactions, the numbers of both electrons and photons increase. This phenomenon is called an electron shower.
从属
发表于 2025-3-22 00:40:15
Cosmic Rays and High-Energy Physics,cles, and were thought by some physicists to indicate the need for a new theory. Among them, the multiple production of secondary particles by a cosmic-ray particle passing through matter was the most typical one; the bursts observed with ionization chambers and the showers observed with counter coi
身体萌芽
发表于 2025-3-22 05:51:58
The Spectrum and Charge Composition of the Primary Cosmic Radiation,y cosmic radiation. This writing is made at a time when satellite and space probe observations are beginning to contribute greatly to this knowledge and at a crucial time near sunspot minimum when the primary spectrum, particularly at the low energy end, is undergoing extensive study. The term prima
我就不公正
发表于 2025-3-22 12:04:25
High Energy Photons and Neutrinos from Cosmic Sources, were found to be deflected in the earth’s magnetic field was it realized that they are charged particles. Until a few years ago there was no direct evidence for the presence of hard radiation from the cosmos. In 1957 x-rays were first detected from the sun by the NRL group (.), but only in the last
Confess
发表于 2025-3-22 16:46:12
The Time Variations of the Cosmic Ray Intensity, these variations are of atmospheric origin, but others are due to changing conditions in interplanetary space. It is reasonable to regard the solar system as being bombarded by an almost isotropic flux of energetic nuclei with energies ranging from 10. electron volts to 10. electron volts. Particle
Fortify
发表于 2025-3-22 19:54:33
Cosmic Ray Produced Radioactivity on the Earth, found in many places on earth and belongs to either of two categories:.terrestrial matter bombarded by cosmic ray particles incident on the earth, and extraterrestrial matter bombarded in outer space and subsequently accreted by the earth.
sclera
发表于 2025-3-22 22:22:10
High Energy Photons and Neutrinos from Cosmic Sources,vidence for the presence of hard radiation from the cosmos. In 1957 x-rays were first detected from the sun by the NRL group (.), but only in the last two or three years have x-ray sources which lie outside the solar system been detected and .-ray observations been attempted.
Obloquy
发表于 2025-3-23 02:08:04
The Time Variations of the Cosmic Ray Intensity,ystem as being bombarded by an almost isotropic flux of energetic nuclei with energies ranging from 10. electron volts to 10. electron volts. Particles in the range 10. eV to 10. eV are modulated by the electromagnetic fields existing in interplanetary space so that a reduced intensity arrives at the Earth.
欲望
发表于 2025-3-23 06:23:56
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