Bilingual edition: English is preserved and Chinese follows each unit. Terminology uses the confirmed v20260916 glossary; automated semantic review remains traceable.
中英双语版:英文原文完整保留,中文紧随对应单元;术语采用 v20260916 确认表,自动语义审校结果可追溯。
1μs = 10-6s, 1 ms = 10-3s,1 My = 106y, 1 Gy = 109y
Radioactivity
放射性
Alpha decay
α衰变
Beta decay.
β衰变
1微秒=10⁻⁶秒,1毫秒=10⁻³秒,1百万年=10⁶年,1吉年=10⁹年
Index
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HyperPhysics***** Nuclear
HyperPhysics ***** 核物理
R Nave
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1μs = 10-6s, 1 ms = 10-3s,1 My = 106y, 1 Gy = 109y
Radioactivity
放射性
Alpha decay
α衰变
Beta decay.
β衰变
1微秒=10⁻⁶秒,1毫秒=10⁻³秒,1百万年=10⁶年,1吉年=10⁹年
Index
索引
 
HyperPhysics***** Nuclear
HyperPhysics ***** 核物理
R Nave
Go Back
返回





1μs = 10-6s, 1 ms = 10-3s,1 My = 106y, 1 Gy = 109y
Radioactivity
放射性
Alpha decay
α衰变
Beta decay.
β衰变
1微秒=10⁻⁶秒,1毫秒=10⁻³秒,1百万年=10⁶年,1吉年=10⁹年
Index
索引
 
HyperPhysics***** Nuclear
HyperPhysics ***** 核物理
R Nave
Go Back
返回





1μs = 10-6s, 1 ms = 10-3s,1 My = 106y, 1 Gy = 109y

The members of this series are not presently found in nature because the half-life of the longest lived isotope in the series is short compared to the age of the earth.

该系列中的成员目前在自然界中未被发现,因为该系列中最长寿命同位素的半衰期远短于地球的年龄。
Radioactivity
放射性
Alpha decay
α衰变
Beta decay.
β衰变
1微秒=10⁻⁶秒,1毫秒=10⁻³秒,1百万年=10⁶年,1吉年=10⁹年
Index
索引
 
HyperPhysics***** Nuclear
HyperPhysics ***** 核物理
R Nave
Go Back
返回