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Radioactivity, mefuta e tsa lona le kotsi ho batho

mahlaseli a ntšang mahlaseli a kotsi e arotsoe mefuta e fapaneng. Ho tšoana ka sehloohong ke hore ba tsohle phahameng-matla bontša phello likokoana-hloko tsa litla ionization, lateloa ke lik'hemik'hale ka dibopeho tsa lisele tse phelang, ho fellang ka lefu la bona. re hlaphohetsoe likelellong ha lemoha ionizing mahlaseli: re u se ke ua bona, u se ke ua utloa 'me u se ke ua ikutloa litla tse' mele ea rōna.

mahlaseli a ntšang mahlaseli a kotsi di na le dipegelo qosoa le likaroloana uncharged le photons. Ea baahi ba lefatše kopana le bona letsatsi le letsatsi. Ea pele ke semelo mahlaseli, eo e entsoe ka metsoako e meraro:

- mahlaseli marang tla ho Earth tswa sebaka;

- mahlaseli ho tloha thepa radionuclides tsa tlhaho ea ho haha, moea le metsi;

- ionizing mahlaseli tloha dintho tsa tlhaho tse tlang ka 'mele ea rōna le lijo le metsi, e tsitsitseng dinama tse nyenyane tse le ho ipokellela' meleng bakeng sa bophelo.

Man, ho feta moo, o ile a pepesa ho mahlaseli a maiketsetso, e leng e ho pharaletseng sebelisoa ka moruo ea sechaba. Lefapheng la bongaka, ho etsa mohlala, ionizing mahlaseli e sebediswa haholo ho pharaletseng.

Radioactivity le mefuta e tsa lona

E le hore ba ka katleho sireletsa khahlanong le mahlaseli a ionizing, e lokela ho ba hlokomela tsa mefuta ea hae le thepa. mahlaseli a le ka aroloa lihlopha tse peli tse ka sehloohong: motlakase le corpuscular.

X-ray le g,-mahlaseli a ngotsoe ke mefuta e fapaneng mefuta e sa maqhubu a motlakase, ba ile ba ba ba lokisetsa hore maqhubu a seea-le-, leseli le mahlaseli mahlaseli. Ba fapana feela wavelength. The wavelength lekgutshwane le loketseng, le maqhubu a phahameng ka ho fetisisa ya maqhubu a motlakase ka manyenyane ya maqhubu a motlakase e matleng a hae g- le X-ray mahlaseli. Le wavelength khutšoanyane, e phahameng eneji, le mahlaseli a, hammoho le matla a ho kenella ka hare.

Sun - mohloli oa X-ray a mokhoa o sa fellang ananelang sepakapakeng Lefatše. Ba ile ba boela ba generated ka bang disebediswsa (boosters) bakeng sa fumanoe ea bakuli.

Ea gamma mahlaseli a hlahisoang ke liphetoho tsa nyutlelie le ho bola ea ntšang mahlaseli a kotsi dintho. Ho habonolo le fetisa ka 'mele oa motho.

mahlaseli Beta o bitsoa phallo ea dieleketerone le positrons, likaroloana tsa lona tsa motheo tse mpe (dieleketerone) kapa o positive (positron) tefo. Ba hlaha ho tswa ho bola ntšang mahlaseli a kotsi ea nuclei ka liathomo le ntša therefrom. Ka phunyeletse ka lera metsi le botenya ba 1-2 cm,. Likaroloana ts'ebetso ea ho lelefatsa bophelo ba lijo tsa beta ka libakeng pepesa di thehoa chesa mahlaseli, 'me ha ingested nkile lijo, metsi le ho pepesehela moea le hlaha ka' mele 'me ho etsa hore ka tšenyo e ka lintho tse tebileng mahlaseli.

Alpha mahlaseli o bitsoa phallo ya likaroloana ka sebele qosoa boima tse boima ho feta likaroloana tsa beta makhetlo a 7300. likaroloana tsena li ntša ka bola nako ea likarolo tse itseng, empa ho na le bokhoni bo phahameng ionizing e phunyeletse dinama tse nyenyane tse ea batho hore e botebo e nyenyane, tse amang feela letlalo holim. pampiri Plain sireletsa khahlanong le litla bona.

Neutron - e sa jereng taolong ea phatsa Leha ho le joalo, ha ba tšohanyetso ke tsa bohlokoa, ho ba le matla tse fatang maikutlo ka matla. From mahlaseli neutron sireletsa thepa e nang le haedrojene (parafini, nhua polyethylene).

litla likokoana-hloko tsa mahlaseli a

mehato tsohle ho sireletsa khahlanong le tshusumetso ionization, thehiloe tsebong ea thepa ea itseng mofuta oa mahlaseli, matla a bona tse fatang maikutlo.

The mahlaseli e le hantle 'mele ka tsela e latelang.

  • Ionizing mahlaseli e bolotsana ka tsela eo e sa ikutloa kateng. Dosimeters - ke mofuta oa 'mele tse eketsehileng, tse ne a rerile hore temoho ea mahlaseli.
  • diso keneletseng ea letlalo la, malaise, tloaelehileng ho kula mahlaseli, u se ke ua hlaha hang-hang, empa feela ka mor'a nako e itseng; lethal dose akaretsoa patiloeng.

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