東電、「臨界でなく自発核分裂」…保安院は慎重
東京電力福島第一原子力発電所2号機で放射性キセノンが検出された問題で、東電は3日、検出されたキセノンが極微量なことなどから核分裂反応が連鎖的に進む臨界は起きていないと結論づけた。 原子炉内では、運転時に生成した放射性物質キュリウムが単独で分裂する「自発 ...
読売新聞 ·
November 3, 2011 at 1:14pm Vocabulary List
ordinal
124305
one
46976
atomic energy
76148
generation (e.g. power)
143676
place / spot / scene / site
101072
radiation / emission
154339
nature (of a person)
111293
xenon (Xe)
15007
detection / sense (e.g. sensor)
74959
problem / question
160525
detection / sense (e.g. sensor)
74959
xenon (Xe)
15007
quite / very
69556
minuscule amount / extremely small quantity
146107
nuclear fission
59233
reaction / response
144226
chain / chaining / catena / connection
167844
mark / target
131568
critical (pressure, temperature, state, point)
166695
atom
76122
hearth / fireplace
168039
inside / within
137692
operation / motion / driving
50194
time / hour
92756
creation / generation / formation
112582
radiation / emission
154339
nature (of a person)
111293
material / substance
150602
curium (Cm)
15420
sole / independence / single / solo (flight)
125096
split / division / break up
151088
spontaneous
93810
critical (pressure, temperature, state, point)
166695
spontaneous
93810
nuclear fission
59233
peace preservation / security
153369
imperial palace
49295
discretion / prudence / caution / care
106784
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