FormationSayniska

Shucaaca, noocyada iyo halista in aadanaha

shucaaca radioactive u qaybsan yahay noocyada kala duwan. la mid ah ugu weyn waa in ay yihiin oo dhan-tamar sare, muujiyaan saamaynta noolaha ee saamaynta ionization, raaceen by falgalka kiimikada in dhismaha unugyada nool, taasoo keentay in ay dhimasho. dareeme Our ma Oga ionizing shucaaca: ma aynu u aragno, ma maqlaan iyo ma dareemaan saamaynta on jirkeena.

shucaaca radioactive kooban soo oogay oo qayb ka uncharged iyo photons. Tirada dadka ee dunida dacaladeeda kulmi iyaga la joogta ah maalin walba. Ka hore waa shucaaca asalka, oo wuxuu ka kooban yahay saddex qaybood:

- shucaaca runtan si Earth ka bannaan soo socda;

- shucaaca ka soo qalabka radionuclides dabiiciga ah dhismaha, hawada iyo biyaha;

- ionizing shucaaca ka walxaha dabiiciga ah in la soo geliyaa jirkooda ka dherginaya cunto iyo biyo, unugyada go'an iyo uruursado ee jirka u ah nolosha.

Man, weliba, bandhigi shucaaca macmal ah, kaas oo si weyn loo isticmaalaa in dhaqaalaha dalka. In berrinka caafimaadka, tusaale ahaan, shucaaca ionizing waxaa loo isticmaalaa aad u ballaaran.

Shucaaca iyo noocyada ay

Si aad u ool ah ka ilaaliya shucaaca ionizing, waa in si fiican loo ogyahay noocyada iyo guryaha. shucaac ayaa loo qaybin karaa laba qaybood oo waaweyn: electromagnetic iyo corpuscular.

X-ray iyo g-shucaac loo aaneeyey inay u tiro balaadhan oo ah hirarka electromagnetic, waxay loo qoondeeyey waxa u hirarka raadiyaha, iftiinka iyo Ultraviolet rays. Waxay ku kala duwan kaliya ee Milanello. Milanello gaaban oo sidaas, inta jeer ee ugu badan ee hirarka electromagnetic in spectrum ah ee hirarka electromagnetic iska leh shucaaca g- iyo X-ray. Iyada oo Milanello gaaban, shucaaca tamarta sare, iyo sidoo kale awooda mudida.

Sun - isha ee X-rays waxaa qayb ahaan u nuugo dhulka jawi. Waxa kale ee ay qalabka qaar ka mid ah (Waxuun) ee cudurka bukaanka.

rays gamma waxa soo saarey reactions nuclear iyo suuska of radioactive walxaha. Waxaa si fudud u maraa jidhka bini'aadamka.

shucaaca Beta waxaa lagu magacaabaa socodka electrons iyo positrons, Qurub hoose waa negative (electrons) ama togan (Sawirid ah) lacag. Waxay kac ka suuska shucaaca ah nuclei in atamka iyo timaada Xaggeeda. geli karaa iyada oo daaha biyaha la dhumucdiisuna waxay a of Qurub beta cindiga 1-2 cm. at goobaha bandhigi loo sameeyay gubasho shucaaca, iyo marka cuntada, biyaha iyo hawada gaadhista daama dhacdaa jidhka oo keenta in burbur ah shucaac halis ah.

shucaaca Alpha waxaa lagu magacaabaa socodka qayb culus wanaagsan lagu eedeeyay in ay yihiin qayb ka sii cuslaan beta 7300 jeer. Qurub Kuwan waxaa timaada in waqti suuska of xubno gaar ah, laakiin at awood ionizing sare si ay u dhexgalaan unugyada aadanaha si qoto dheer u yar, saamaynaya kaliya dusha maqaarka. warqad cad looga hortago saamaynta ay.

Neutrons - aan waday amarka walxaha, si kastaba ha ahaatee, marka xaalad deg deg ah waa u muhiim, isagoo awood xoog cabaar. From shucaaca neutron ilaaliyo waxyaabaha ay ku jirto hydrogen (la shito, polyetylen).

saamaynta Biological ee shucaaca

All tallaabooyin si ay u difaacaan ionization saamaynta, oo ku salaysan aqoon oo ka mid ah sifooyinka gaar ah nooca shucaaca, ay xoog cabaar.

Saamaynta shucaaca on jidhka sida soo socota.

  • Ionizing shucaaca waa mid ili ma jidkii aan dareemay. Dosimeters - waa nooc ka mid ah meydadka oo dheeraad ah, kuwaas oo loogu talagalay aragtida shucaac.
  • lesions cad ee maqaarka, qidmeyntii, caadiga ah ee bukaanka shucaaca, ma markiiba soo muuqan doonto, laakiin kaliya muddo ka dib, dose koobay qarsoon.

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