plutonium

/plu:'tәuniәm/ uk　 词频 #10903

英语专业八级

plutonium 是什么意思

中文释义

n. 钚

[化] 钚Pu

英文释义

n. a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239

plutonium 的真实例句

以下例句摘自真实英文文章，看看 plutonium 在自然语境里怎么用：

Both spacecraft rely on a radioisotope thermoelectric generator, which converts decaying plutonium into power.

—— NASA shuts off another Voyager 1 instrument as humanity's most distant spacecraft prepares for risky 'Big Bang' maneuver to save power

The spacecraft runs on a radioisotope thermoelectric generator — a device that converts heat from decaying plutonium into electricity.

—— The Little Probe That Could: Why Voyager 1 Matters, and Why NASA Just Switched Part of It Off

Known as radioisotope thermoelectric generators, or RTGs, these use plutonium, which radioactively decays and generates heat in the process.

—— NASA is building the first nuclear reactor-powered interplanetary spacecraft. How will it work?

Like Voyager 2, Voyager 1 relies on aradioisotope thermoelectric generator, a device that converts heat from decaying plutonium into electricity.

—— NASA Shuts Off Instrument on Voyager 1 to Keep Spacecraft Operating

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