proton
US /ˈproʊtɑ:n/
・UK /ˈprəʊtɒn/
B2 中高級
n. (c.)可數名詞質子
This plus sign represents a proton
影片字幕
永夜前的最後一道光！白矮星與黑矮星的終極奧祕？ (The Last Light Before Eternal Darkness – White Dwarfs & Black Dwarfs)
- If the proton, one of the fundamental parts of atoms, has a limited lifespan, black dwarfs will slowly evaporate over many trillions of years.
儘管如此如果你太靠近，它的質量還是足以殺死你
- If the proton does not decay, black dwarfs will probably turn into spheres of pure iron via quantum tunneling over a timespan so obscenely gigantic that calling it "forever" is ok.
超級冷，他們可能是宇宙中最冷的東西
美國犯了個大錯，而且比你想像的還要糟！😱 (America is Making a Big Mistake, and It’s Far Worse Than You Expect)
- And this is Proton Perdana, a Malaysian competitor to the Camry.
如果豐田想壓倒福特、寶馬和奔馳，那麼豐田就必須以更便宜的價格提供非常好的品質。
- A Ford, a Mercedes, BMW, and a Camry, and a local competitor, which is Proton in this case.
一輛福特、一輛奔馳、一輛寶馬和一輛凱美瑞，以及一個在地競爭對手，在這種情況下就是寶騰。
馬可夫尼可夫規則！ (Markovnikov's Rule)
- So the first thing that happens is the alkene extracts a proton from HBr.
是以，首先發生的是烯烴從 HBr 中提取一個質子。
- So the first thing that happens is the alkene abstracts a proton from HBR.
現在，如果我們把氫放在仲碳上，就會產生不穩定的伯碳化物。
