I-Calculator ye-Half-Life
Ukuqhekeka kwe-radioactive: thola inani elisele, isikhathi esidlule noma isikhathi esingu-half-life, nge-decay curve.
Iziphetho zivuselelwa uma ubhala.
Malunga nale khadi
calculator reports the half-life constant λ = ln2 / t½ ≈ 0.693 / ln2 (the probability a given atom decays per unit time) and the mean lifetime τ = 1 / λ = t½ / ln2 (the average time an individual atom survives). The calculator reports the half-life constant λ = ln2 / t½ ≈ 0.693 / ln2 (the probability a given atom decays per unit time) and the mean lifetime τ = 1 / λ = t½ / ln2 (the average time an individual atom survives per unit time) and plots the decay curve. The calculator reports the half-life constant λ = ln2 / t½ ≈ 0.693 / ln2 (the probability a given atom decays per unit time) and the half-life constant λ = ln2 / t½ ≈ 0.693 / ln2 (the average time an individual atom survives).As a working example, carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years, so carbon-14 has a half-life of 5,730 years,
Imibuzo ebuzwa kaningi
Yini ifomu lokulahleka kwesikhathi esingu-half-life?
Inani elisele ngemuva kwesikhathi t ngu N = N₀ × (½)^(t/t½). Ngemuva kokuphila kwengxenye eyodwa, ingxenye ihlala, ngemuva kwengxenye ezimbili, ngemuva kwengxenye yesithathu, njalo njalo.
Yini i-decay constant nesikhathi sokuphila esiphakathi?
Izinga lokulahleka lihlala likhona λ = ln2 / t½ ≈ 0.693 / t½, ingozi yokulahleka ngeyunithi yesikhathi. Isikhathi sokuphila esiphakathi τ = 1 / λ = t½ / ln2 yisikhathi esiphakathi lapho i-atomi iphila khona — cishe 1.44 ingxenye yokuphila.
Ingabe ngingakwazi ukuthola isikhathi esingu-half-life kusuka ku-metrics ezimbili?
Yebo. Misela "ukulungisa" ku-half-life bese ufaka isilinganiso sokuqala kanye nesincane esisele kanye nesikhathi esidlule; ithuluzi lixazulula t½ = t × ln2 / ln(N₀/N).
Ingabe i-carbon-14 ihlobene kanjani nesikhathi sokuphila?
I-carbon-14 ihlukaniswa ngesikhathi esingu-5,730, ngakho ukulinganisa ukuthi i-C-14 ihlala isikhathi esingakanani esimisweni esisodwa esiphilayo. Kusuka kumayunithi angama-100, cishe ama-78.5 ahlala ngemuva kweminyaka engama-2,000, futhi cishe ingxenye ngemuva kwama-5,730 - isisekelo se-radiocarbon dating.
Yini amayunithi asetshenziswa isikhathi nesikhathi esingu-half-life?
Noma yiluphi uhlobo, kuze kube isikhathi esidlule kanye nesikhathi esingu-half-life sihlukaniswe. Faka zombili eminyakeni, noma zombili izisekhondi; isilinganiso t / t½ sizo zonke izinto ezibalulekile, futhi izimpendulo zibuyela kuloluhlobo olufanayo lweyunithi.
Ingabe kusele okuningi ngemuva kwezinsuku ezingu-100?
Ukuphindaphinda ngengxenye eyodwa yempilo engxenyeni ngayinye: 50% ngemuva komunye, 25% ngemuva kwesibini, 12.5% ngemuva kwethathu, 6.25% ngemuva kwesine. Ngemuva kwezinsuku ezingu-10 zokuphila kwengxenye ngaphansi kwe-0.1% zihlala, ngakho-ke "izinsuku ezingu-10 zokuphila kwengxenye" yimithetho ejwayelekile yokudlula.
Ingabe isikhathi esingu-half-life sixhomekeka ekubeni ngenza lutho oluningi?
Akuna. Kuyinto eqinile ye-isotope, ehlukile kubukhulu besampula, izinga lokushisa noma isimo se-chemical. Uma uqala nge-gram noma i-ton, inhlamvu iqala ukufa ngesikhathi esifanayo - okuyenza ibe yihora elithembekile.
API — sebenzisa le calculator kusuka kukhodi
Nquma le kalkuli njengendawo ephelezelwa i-JSON - akukho isitshixo esidingekayo. Thumela amaxabiso endawo ngezansi njengepharamitha yombuzo noma i-JSON. Funda i-API egcwele →
Ingxenye yendawo
GET https://calculator.free/api/v1/half-life/curl
curl "https://calculator.free/api/v1/half-life/?solve=remaining&initial=100&half_life=5730&time=2000"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/half-life/?" + new URLSearchParams({
"solve": "remaining",
"initial": "100",
"half_life": "5730",
"time": "2000"
}));
const data = await r.json();
console.log(data.results);Izibalo ziyisilinganiso esisetshenziswa ukuqondisa kuphela, hhayi ukucebisa ngezimali, ukwelashwa noma ukukhokha.