radioactive decay; nuclear decay
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesverb
to undergo radioactive decay; (of atomic nuclei) to disintegrate spontaneously
Technical term in nuclear physics and chemistry. Also called 蜕变. The process involves the emission of alpha particles, beta particles, or gamma rays.
Fàng放
shè射
xìng性
tóng同
wèi位
sù素
huì会
suí随
shí时
jiān间
shuāi衰
biàn变
。
Radioactive isotopes decay over time.
Yóu铀
-238-
jīng2
guò3
yī8
xì经
liè过
shuāi一
biàn系
zuì列
zhōng衰
biàn变
chéng最
qiān终
-206变
成
铅
-
2
0
6
。
Uranium-238 undergoes a series of decays and eventually becomes Lead-206.
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Zhè这
zhǒng种
shuāi衰
biàn变
guò过
chéng程
huì会
shì释
fàng放
chū出
αα
lì粒
zǐ子
。
This decay process releases alpha particles.
Kē科
xué学
jiā家
zhèng正
zài在
yán研
jiū究
rú如
hé何
kòng控
zhì制
hé核
shuāi衰
biàn变
de的
sù速
dù度
。
Scientists are researching how to control the rate of nuclear decay.