BILIO
发表于 2025-3-28 15:08:01
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PACK
发表于 2025-3-28 20:42:03
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公共汽车
发表于 2025-3-29 02:13:32
Sputtering,e used, whereas in secondary neutral mass spectrometry (SNMS) some fraction of the usually dominant neutral sputtered atoms are ionized in a low-density plasma for easier detection. Lasers can be applied to ionize nearly all sputtered neutral atoms or to select specific species.
companion
发表于 2025-3-29 04:33:24
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insecticide
发表于 2025-3-29 11:07:40
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神化怪物
发表于 2025-3-29 12:08:16
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COMMA
发表于 2025-3-29 16:42:18
Introduction, or may start inside the solid. Particles arriving from outside the solid are usually termed projectiles. The adjective “energetic” indicates that the particle energy ranges from the eV to the MeV region. If a projectile penetrates a solid target it will be scattered due to collisions with target at
共同生活
发表于 2025-3-29 21:57:39
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卜闻
发表于 2025-3-30 01:55:27
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蚀刻术
发表于 2025-3-30 06:06:31
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