isotope
US /ˈaɪsətoʊp/
・UK /ˈaɪsətəʊp/
A1 初級
n.名詞同位素
Carbon 14 is an isotope of carbon
影片字幕
核聚變動力解讀--未來還是失敗？ (Fusion Power Explained – Future or Failure)
06:16
- Helium-3, an isotope of helium, might be a great substitute.
而是用氦的同位素，氦-3 它可能是一個很棒的替代品。
2萬年前的冰塊裡有什麼？ (What's In a 20,000 Year-Old Cube of Ice?)
12:26
- Ordinary nitrogen has a mass of 14, but the rare isotope nitrogen 15 has a mass of 15.
一般的氮質量 14，不過罕見的同位素氮 15 的質量為 15。
想住在月球上嗎？我們如何在月球上蓋基地？(How We Could Build a Moon Base TODAY – Space Colonization 1)
09:58
- an isotope that could one day be used in nuclear fusion reactors,
是未來可以用在核融合反應爐中的一種同位素
為什麼美國需要俄羅斯的鈾 (Why the US needs Russian uranium)
08:02
- - Uranium is a common nuclear fuel, because its isotope,
- 鈾是一種常見的核燃料，因為其同位素。
- tons of useless rock, most of that is the wrong isotope
數噸的無用岩石，其中大部分是錯誤的同位素
世界上最大的史前銅礦 (The Largest Prehistoric Copper Mine in the World)
15:03
- Tracing the origins of copper artefacts can be done by analysing their chemical compositions and comparing trace elements and lead isotope ratios to source locations.
通過分析銅工藝品的化學成分，並將微量元素和鉛同位素比率與來源地進行比較，可以追溯銅工藝品的來源。
這種難以捉摸的粒子能否重塑標準模型？ (Could This Elusive Particle Reshape the Standard Model?)
05:45
- should be detectable just by adding up the energy of the resulting two electrons and isotope.
僅僅通過將產生的兩個電子和同位素的能量相加就應該可以檢測到。
- The preferred approach involves getting a huge amount of an isotope capable of double beta decay
首選的方法是獲得大量的能夠進行雙β衰變的同位素
長 I /aɪ/ 詞首每日發音練習 - 美式英語元音大師班 (Long I /aɪ/ BEGINNING of Words Daily Pronunciation Practice - American English Vowel Master Class)
01:57
- I I I'm I'm I've I've I'd I'd I'll I'll Ice ice Idea idea Eyes eyes Isaac Isaac Isotope isotope IBM IBM I T I T Icicle icicle I rate I rate Icing icing Island island Ice cream ice cream Isolation isolation Ideology ideology Eiffel Tower Eiffel Tower
I I I'm I'm I've I've I'd I'd I'll I'll Ice ice Idea idea Eyes eyes Isaac Isaac Isotope isotope IBM IBM I T I T Icicle icicle I rate I rate Icing icing island Ice cream ice cream Isolation isolation Ideology ideology Eiffel Tower 艾菲爾鐵塔 艾菲爾鐵塔
美國國家航空航天局（NASA）為何競相重返月球 (Why NASA Is Racing Back To The Moon)
10:09
- On top of this, there's the potential to mine rare earth metals and the isotope helium three, which is rare on earth, but plentiful on the moon and can theoretically be used to help power nuclear fusion reactors.
除此之外，還有可能開採稀土金屬和同位素氦三。氦三在地球上很稀有，但在月球上卻很豐富，理論上可以用來為核聚變反應堆提供動力。