Formation, Sayniska
Ilo X-ray. Waa isha tube X-ray ah ionizing shucaaca?
Inta taariikhda nolosha on Earth noolaha si joogto ah bandhigi rays runtan oo iyaga bartay in jawi radionuclides, iyo shucaaca oo dhan walxaha si dabiici ah ku dhaco. nolosha casriga ah waxaa la waafajiyo oo dhan oo ka mid ah muuqaalada iyo xadeynta ee deegaanka, oo ay ku jiraan by ilaha dabiiciga ah ee X-rays.
In kasta oo xaqiiqda ah in heerarka sare ee shucaaca, dabcan, dhib u leeyahay jirka, noocyo ka mid ah shucaaca muhiim u ah nolosha. Tusaale ahaan, shucaac soo jeeda ayaa ka qayb qaatay kiimikada asaasiga ah iyo horumar nafleyda. Sidoo kale iska cad waa xaqiiqda ah in kulaylka dhulka muhiimka ah waxaa la siiyaa oo la hayo by kulaylka suuska ee aasaasiga ah, si dabiici ah ku dhaco radionuclides.
rays runtan
Shucaaca ka soo jeedo leeska celin, taas oo si joogto ah bombard Dhulka, wuxuu u yeedhay runtan ah.
Xaqiiqada ah in shucaaca cabaar ku dhacaa dhulkeenna ka meel dibadda ah, laakiin aan ka soo jeedo jidhadhka dhulka, waxaa laga helay tijaabo ah inay ku qiyaasto ionization ee Joogga kala duwan, ka soo heerka badda in 9,000 m. Waxa la ogaaday in xoogga shucaaca ionizing la dhimay si height ah 700 m, iyo sii wadaan in ay si degdeg ah kor fuuli. Hoos u dhaca bilowga ah loo saarin karaa in ay hoos u dhac in xoogga rays gamma jidhadhka dhulka iyo kororka - runtan.
Ilo X-ray in meel bannaan oo waa sida soo socota:
- falagyada group,
- falagyada Seyfert;
- qorraxda;
- xiddigaha;
- quasars;
- godadka madow;
- haraadiga supernovaer;
- dhsan cad;
- xiddigaha gudcur ah, iyo kuwa kale.
Caddeynta shucaaca sida, tusaale ahaan, waa in ay kordhiyaan xoogga ray runtan arkay adduunka ka dib markii kicitaanka. Laakiinse xiddiga ma aha qayb weyn ka daadanayo guud, sida kala duwanaansho ay maalin kasta aad u yar tahay.
Laba nooc oo ah alwaaxdii saqafka haysay
rays runtan u qaybsan yihiin hoose iyo kuwa sare. Shucaaca ma dhexgalaan arrinta in jawiga ama lithosphere hydrosphere dhulka, loo yaqaan hoose. Waxay ka kooban tahay protons (≈ 85%) iyo Alfa-Qurub (≈ 14%), iyada oo wax badan ka yar socodka (<1%) nuclei culus. rays Secondary runtan X, ilaha shucaaca oo - shucaaca hoose iyo jawiga ka kooban yahay qayb ka subatomic sida pions, muons iyo electrons. At heerka badda, ku dhowaad dhammaan shucaac arkay kooban rays runtan sare 68% ka mid ah oo waxaa lagu tiriyaa muons iyo 30% - by electrons. In ka yar 1% ka mid ah socodka heerka badda ka kooban yahay protons.
rays runtan Primary u muuqdaan in ay leeyihiin tamarta ogeed wayn. Waxa ay si togan u soo oogay iyo tamarta ay helaan ay sabab u tahay dardargelinta ee beeraha magnetic. In vacuum ee meel bannaan oo lagu eedeeyay qayb ka noolaan karaa muddo dheer, iyo safri malaayiin sano iftiin. Inta lagu guda jiro duulimaad this, waxay helaan tamar ogeed sare amarka of 2-30 GeV (1 GeV = September 10 eV). Qurub shakhsi ahaaneed tamartaa ilaa 10 10 GeV.
tamar sare oo ka mid ah rays runtan hoose oggolaan inay macno ahaan kala qaybsan tahay isku dhaceen ka mid ah atamka jawi dhulka ee. Oo ay la socdaan neutrons, protons, iyo qayb ka subatomic la abuuri karaa xubno fududee sida hydrogen, helium, iyo beryllium. Muons had iyo jeer lagu eedeeyay, oo si deg deg ah qudhun galay electrons ama positrons.
gaashaan magnetic
Xooggii uu u rays runtan iyada oo kororkan uu soo maratay in ay gaaraan ugu badnaan qiyaastii 20 km. 20 km si ay sare ee jawiga (ilaa 50 km), xoogga hoos.
hannaankii Tan waxa u sabab wax soo saarka kor u kacay ee shucaaca sare by sii kordhaya cufnaanta hawada. At sare ah 20 km qayb weyn oo ka mid ah ilayska ee aasaasiga ah ayaa galay is dhexgalka, iyo hoos u dhac baaxad ahaan 20 km heerka badda ka tarjumaysaa qaadashada ee jawiga alwaaxdii saqafka sare, oo u dhiganta daaha biyo ku saabsan 10-mitir.
xoojinta shucaaca waxa kale oo la xiriira iyo UNku. At isla sare socodka korodhka runtan ka dhulbaraha iyo UNku 50-60 ° iyo weli joogto ah ilaa ulaha. Tan waxa u sabab qaabka duurka magnetic of Earth iyo qaybinta awoodda shucaaca hoose. Khadadka magnetic ciidanka ka baxsan jawiga guud ahaan la siman in ay dusha dhulka ee dhulbaraha iyo dadab iyo in ay ulaha laga gelin lahaa. Qurub lagu eedeeyay fudud ugu guuraan qaab magnetic field, laakiin ku adag tahay in looga gudbo ay jihada transverse. Laga soo bilaabo ulaha ilaa 60 °, dhammaan shucaac koowaad gaadho jawi dhulka ee, iyo dhulbaraha oo kaliya qayb ka la tamartaa aad iyo aad 15 GeV, geli karaa iyada oo gaashaanka magnetic.
Ilo Sare ee X-rays
Sidaas darteed of dhexgalka ee rays runtan la arrinta si joogto ah soo saaray qadar weyn oo radionuclides. Inta badan oo iyaga ka mid yihiin jajab, laakiin qaar ka mid ah iyaga ka mid ah waxaa la aasaasay by dardargelinta ee atamka deggan la neutrons iyo muons. wax soo saarka dabiiciga ah ee radionuclides in jawiga u dhiganta xoogga shucaaca runtan at sare iyo loolka. About 70% oo ka mid ah dhacaan ahan, iyo 30% - in troposphere ah.
Marka laga reebo H-3 iyo C-14, radionuclides sida caadiga ah waa in ay isugu soo urureen aad u yar. Tritium waxaa la badhxay iyo qaso biyo iyo H 2, iyo C-14 isku daraa la ogsijiin si ay u sameeyaan CO 2, kaas oo la qaso jawi carbon dioxide. Carbon-14 gala geedka iyada oo photosynthesis.
shucaaca dhulka
Oo ka mid ah radionuclides badan oo la sameeyey dhulka, wax yar oo kaliya waxay leeyihiin bar-nolosha dheer oo ku filan si ay u sharxaan jiritaankooda hadda. Haddii dhulkeenna la aasaasay oo ku saabsan 6 bilyan oo sano ka hor, waxay ku sii jirto tiro la cabbiri karo, lahaa baahan bar-nolosha ee ugu yaraan 100 milyan oo sano. Oo ka mid ah radionuclides aasaasiga ah, kuwaas oo wali laga helay, saddex waa kuwa ugu muhiimsan. il X-ray waa K-40 ah, U-238 iyo Th-232. Uranium iyo silsilad suuska thorium, mid kasta oo alaabta foomka kuwaas oo had iyo jeer ay joogaan isotope asalka ah. Inkastoo in badan oo radionuclides gabadhii waa muddo kooban ah, waxay ku badan deegaanka, maxaa yeelay waxa ay si joogto ah waxaa la aasaasay ka barametereka muddo dheer jiray.
Ilo X-ray kale muddo dheer jiray asalka ah, in muddo gaaban, waa in ay isugu soo urureen aad u yar yahay. RB-87 Tani, La-138, CE-142, SM-147, Lu-176, iyo D. sidaas on. Neutrons Dabcan dhaca sameeyaan radionuclides kale oo badan, laakiin ay ka fiirsashada sida caadiga ah waa wax yar yahay. In xirfado Oklo ee Gabon, Africa, oo ku yaalla caddeyn ah jiritaanka "nuclear-dabiiciga", taas oo dareen diidmo nuclear dhacaan. Yaraadan ee U-235 iyo joogitaanka waxyaabaha fission ah kayd uranium hodan gudahood, ayaa muujinaya in ilaa 2 billion sano ka hor, waxaa ka dhacay iska kiciyaan cadaanyo silsilad.
In kasta oo xaqiiqda ah in radionuclides asalka ah waa xoojisay, ay fiirsashada ku xiran tahay meesha. kaydka ugu weyn ee shucaaca dabiiciga ah waa lithosphere ah. Intaas waxaa sii dheer, gudahood lithosphere waxaa kala duwan yihiin. Mararka qaar waxaa la xidhiidha noocyada qaar ka mid ah xeryahooda iyo macdan, mararka qaarkood - gaar ahaan heer gobol, la xiriir yar la noocyada dhagaxyada iyo macdan.
Qaybinta radionuclides hoose iyo waxyaabaha gabadhii ay la lafaguro dabiiciga ah waxay ku xiran tahay arrimo badan, oo ay ku jiraan guryaha kiimikada ee nuclides ah, arrimo jirka ah ee hannaanka deegaameed, iyo sidoo kale sifooyinka nafsaaniga ah iyo dhowrida dhirta iyo ugaarta. Cimilada dhagaxyada, ay kaydka weyn ee siisa ciidda U, Th iyo K. Th iyo U alaabta suuska ayaa sidoo kale ka qeyb qaadanaya barnaamijka. Of ciidda K, Ra, U yara, iyo Th aad u yar u nuugo by dhirta. Waxay isticmaalaan potassium-40 iyo sidoo kale deggan iyo K. radium, U-238 alaabta suuska, isticmaalaan geedka, sababtoo ah waa isotope ah, iyo maadaama ay tahay kiimikaad ahaan la mid ah calcium. Nuugista of dhirta uranium iyo thorium badanaa yar, tan iyo radionuclides kuwanu waa sida caadiga ah beelaya.
radon
Ugu muhiimsan ee dhammaan ilaha element shucaaca dabiiciga ah waa Faylasha iyo ur, gaaska aan la arki karin, taas oo ah 8 jeer ka culus yahay hawada, radon. Waxay ka kooban tahay laba isotopes ugu weyn - radon-222, mid ka mid ah waxyaabaha suuska ee U-238 iyo Radon-220 ee, aasaaseen suuska ee Th-232.
Dhagaxyada, carrada, dhirta, xayawaanka dhaadheer radon hawada. gaaska waa wax soo saarka ee bololka ee radium, oo soo saaray in wax kasta oo uu ka kooban yahay. Tan iyo radon - inert gaaska, waxaa laga yaabaa in la takooro meelaha xiriir la jawiga. Inta ay radon, taas oo ka tiro siiyey dhagaxa ka harayna waxay ku xiran tahay xaddiga radium oo dusha banaan. idaad yar, ayaa in ka badan waxaa sii daayo karaa radon. fiirsashada RN hawada u dhow qalabka radiysoderzhaschimi sidoo kale waxa ay ku xiran xawaaraha hawada. In dhulka hoostiisa, boholaha iyo miinooyinka, kaas oo ay leeyihiin wareegga hawada masaakiinta, fiirsashada of radon gaari karaan heerarka la taaban karo.
RN si deg deg ah decomposes iyo foomamka taxane ah oo radionuclides gabadhiisa. Ka dib markii formation of alaabta suuska radon Hawada waxaa biiray qayb yar oo ah ciidda, taas oo degtaa on ciidda iyo dhirta, iyo waxa la neefsado by xayawaanka. Roobabka gaar ahaan wax ku ool ah hawada daahirisay xubno shucaaca, laakiin isku dhac iyo dhigaalka qayb buufis ayaa sidoo kale kor u dhigaalka.
In cimiladu qoraxda, fiirsashada of radon gudaha celcelis ah oo ku saabsan 5-10 jeer ka badan dibadda.
In ka badan labaatankii sano ee la soo dhaafay, ninkii "kiimikaysan" soo saaray dhowr boqol oo radionuclides socda shucaaca X-ray ilaha, hantida iyo codsiyada kuwaasi oo loo isticmaalo in daawada, military, korontada, iyo instrumentation sahaminta macdanta.
saamaynta Individual ilaha shucaaca nin-dhigay buu u kala duwan. Dadka intooda badan qaataan qiyaas yar ee shucaaca macmal ah, laakiin qaar ka mid ah - badan kun jeer shucaaca ilaha dabiiciga ah. Ilo Man-dhigay waxaa ka fiican gacanta ku badan dabiiciga ah.
Ilo X-ray in daawo
The isticmaalka warshadaha iyo caafimaadka, sida caadiga ah, kaliya radionuclides saafi ah, oo nayaa aqoonsiga siyaabaha ay u daadato goobaha lagu keydiyo iyo habka loo qubo.
codsiyada shucaaca ee daawada waa mid baahsan oo laga yaabo inay ku yeelan karto saamayn weyn. Tani waxaa ka mid ah ilaha X-ray loo isticmaalo daawada:
- Baadhista;
- therapy,
- nidaamka gorfaynta,
- laso-.
Si loo isticmaalo ogaanshaha sida ilaha gaarka loo leeyahay, iyo sidoo kale noocyo kala duwan oo tracers shucaaca. xarumaha caafimaadka inta badan kala saaro codsiga sida raajada iyo daawada nukliyeerka.
Waa tube X-ray il of ionizing shucaaca? raajito loogu xisaabiyaa iyo fluoroscopy - a nidaamka lagu ogaanayo si fiican u yaqaan in la sameeyey la. Intaas waxaa sii dheer, in raajada caafimaad, waxa jira ilo badan oo ay ka mid yihiin codsiyada isotope gamma iyo beta, iyo ilaha neutron tijaabo qaabilsanna kiisaska mashiinada X-ray waa xanibayo, khaldan, ama waxay noqon karaan khatar. Laga soo bilaabo barta of view of ecology, shucaaca X-ray ma aha khatar ah ilaa iyo inta ilo ay ku sii xisaabtami iyo takhalusin si sax ah. Marka tan la eegayo, waxyaalaha story radium, radon iyo cirbadaha radiysoderzhaschih xeryahooda ifaya, ma dhiiri.
Ilo X-ray oo ku saleysan 90 Sr ama 147 pm caadi ahaan loo isticmaalo. Xaaladan oo ah 252 CF sida raajada la qaadan karo matoor neutron neutron sameeyey si ballaaran la heli karo, in kasta oo guud ahaan, habkan weli ugu tiirsan helitaanka tigoodu nuclear.
daawada nukliyeerka
Khatarta ugu weyn ee saameynta deegaanka yihiin sumadaha radioisotope in ilo daawada nukliyeerka iyo X-ray. Tusaale ahaan saamayn aan loo baahnayn ee soo socda:
- cindiga bukaanka;
- gaadhista ee shaqaalaha isbitaalka,
- cindiga marka daawooyinka radioactive;
- saamaynta in habka wax soo saarka ah,
- saamaynta qashinka shucaaca.
Sanadihii la soo dhaafay waxaa uu ahaa mid u janjeera in la yareeyo soo-gaadhista ee bukaanka iyada oo hordhaca ah ee isotopes-gaaban dheeraad ah si ciriiri ah diiradda hawlaha iyo isticmaalka waxa ka sameysan isderejayn kooban.
Yar nus-nolosha yaraynaysaa saamaynta hadhaaga qashinka nukliyarka ah tan ugu badan ee canaasiirta dheer-jiray waa wax soo saarka iyada oo kelyaha.
Sida muuqata, saamaynta on deegaanka iyada oo loo marayo nidaamka bullaacadaha uusan ku xiran tahay in bukaan-socodka waa in isbitaalka ama loola dhaqmo si ku salaysan bukaan socod ah. Inkasta oo inta badan oo ka mid ah qiiqa qaybaha shucaaca waxaa laga yaabaa inay waqti-gaaban, saamayn wadareed si weyn u badan tahay heerka wasakhda ah oo dhan dhirta nukliyeerka isku daro.
Inta badan la isticmaalo radionuclides ee daawo - ilo X-ray:
- 99m TC - baar ah dhaladii iyo maskaxda, Scan cerebral dhiigga, wadnaha, beerka, sambabada, qanjirka thyroid, deegaamaynta mandheerta;
- 131 I - dhiigga, baaritaan beerka, deegaamaynta mandheerta, iskaanka iyo daaweynta thyroid;
- 51 CR - go'aanka muddada jiritaanka unugyada dhiigga cas ama sequestration, mugga dhiigga;
- 57 Co - Schilling muunad,
- 32 P - buksoodan ilaa lafta.
isticmaalka baahsan ee falanqaynta nidaamka radioimmunoassay shucaaca kaadida iyo habab cilmi kale ee isticmaalaya tilmaamay xeryahooda organic u kordhay isticmaalka a diyaarinta dareere-scintillation. xal fosfooraska Organic waxaa sida caadiga ah ku salaysan toluene ama xylene, koobnaan mugga a caddaalad ah oo waaweyn qashinka organic dareere ah kaas oo waa in la tuuraa. Processing qaab dareere, waa halis iyo deegaanka aan la aqbali karin. Sababtan awgeed, doorashada waxaa la siiyaa baabba gubista.
Tan iyo markii ay muddo dheer ku noolaa 3 H ama 14 C waa iska L ee deegaanka, ay saameyn waa in kala duwan ee caadiga ah. Laakiin saamaynta wadareed waxay noqon kartaa wax ku ool ah.
Isticmaalka kale oo caafimaad ee radionuclides - isticmaalka baytariyada plutonium waayo, xoog pacemakers. Kumanaan ka mid ah dadka maanta nool si ay xaqiiqada ah in qalabka caawin shaqeeyaan Quluubtooda mahad. Ilo shaabadaysan 238 PU (150 GBq) rakibay galay bukaanka.
Industrial shucaaca X-ray, ilaha, hantida iyo codsiyada
Medicine - ma aha meesha kaliya, taas oo laga helay isticmaalka qayb ka this ee spectrum ee electromagnetic. Qayb weyn oo ka mid ah deegaanka nin-dhigay shucaaca waxaa loo isticmaalaa in radioisotopes warshadaha iyo ilaha X-ray. Tusaalooyinka codsigan:
- raajada warshadaha;
- cabirka shucaaca,
- dhaanta dabka,
- qalabka is-iska Ifto Yuuna,
- X-ray crystallography;
- scanners ah kormeerida Alaabtoodii iyo fuliyaan-on Alaabtoodii;
- laser X-ray,
- synchrotrons;
- cyclotrons.
Tan iyo markii inta badan codsiyada, kuwaas oo ku lug isticmaalka isotopes ka tarjumayay, cindiga ku qaadataa meel inta lagu guda jiro gaadiidka, kala iibsiga, dayactirka iyo isticmaalka.
Waa isha tube X-ray ah ionizing shucaaca in industry? Haa, waxaa loo isticmaalaa in Hab kontaroolo garoonka diyaaradaha aan burbur, in crystal cilmi, qalabka iyo dhismayaasha, kormeerka warshadaha. In ka badan tobankii sano ee la soo dhaafay, dose of gaadhista shucaaca ee sayniska iyo warshadaha ayaa gaartay qiimaha tilmaamahan in daawo qeybtii; Sidaa darteed, gacan weyn.
Ilo X-ray ka tarjumayay ahaantood saamayn yar. Laakiin gaadiidka iyo qashin naxdinta leh marka ay lunto ama si qalad ah lagu tuuraa qashin qubka. Ilo X-ray noocan oo kale ah waxaa sida caadiga ah bixisey iyo rakibay in a cajaladood double-shaabadeeyey ama dhululubada. kaabsoosha waxaa la sameeyey bir iyo u baahan tahay kormeerka wareegsan daadanaayo. Recycling noqon kartaa dhibaato. Ilo muddo kooban ah ay ku badbaadin karto iyo suuska, laakiin xitaa haddii ay taasi ku, ay tahay in la soo gubinaynaa xisaabta lagu darsado, iyo wax ka hartay firfircoon waa in la geeyaa xarunta liisan. Haddii kale, kaabsoosha waa in loo soo diray in ay hay'adaha ku takhasusay. Ay dhumucdiisuna waxay go'aamiso size mid ah waxyaabaha la firfircoon oo qayb ka ah isha X-ray ah.
meel Kaydinta ilo X-ray
Dhibaatada A sii kordhaya waa kala furfurista ammaan iyo sun ah goobaha warshadaha, halkaas oo qalabka shucaaca ku kaydsan yihiin ee la soo dhaafay. Asal ahaan waxa hore shirkadaha dhisay baaraandegidda maaddooyinka nukliyeerka, laakiin waa qayb ka mid ah warshadaha kale, sida warshadaha wax soo saarka ee calaamadaha tritium is-iska Ifto Yuuna noqon.
Dhibaato gaar ah waa ilaha heerka hoose muddo dheer ku noolaa, kuwaas oo si weyn loo qaybiyey. Tusaale ahaan, 241 Am waxaa loo isticmaalaa in qaylo-dhaanta dabka. Waxa intaa dheer in radon waa ilaha X-ray ugu weyn ee guriga. Shakhsi ahaan, iyagu ma ay khatar kasta, laakiin in badan oo iyaga ka mid ah waxay noqon kartaa dhibaato mustaqbalka.
qaraxyo nuclear
In ka badan 50-ka sano ee la soo dhaafay, mid kasta waxaa la hoos geliyey tallaabo ah ee shucaaca ka hawo shucaac uu keeno imtixaanka hubka nukliyeerka. Waxay halkii ugu 1954-1958 iyo 1961-1962 sano.
In 1963, saddex dal (USSR, USA iyo Great Britain) saxiixay heshiis on ganaax qayb imtixaanada nuclear in jawiga, badaha iyo meel dibadda ah. In ka badan labaatankii sano ee soo socda, France iyo China sameeyay taxane ah oo tijaabooyin badan oo yar yar, oo ka joogsadeen 1980. baaritaan dhulka hoostiisa mara ayaa weli lagu sameeyay, laakiin waxa ay inta badan ma keeni roobab.
faddarayn shucaaca ka dib markii baaritaano Hawada dhici dhow goobta qaraxa. In qayb ka, waxay ku hadhi in troposphere iyo xambaaraa by dabaysha adduunka oo dhan at loolka isku. Sida aan u soo guurto, waxay ku dhacaan dhulka, joogi for ah oo ku saabsan bisha a hawada. Laakiin qayb ka ugu fiican waxaa lagu riixayaa ahan, halkaas oo wasakhaysan weli muddo bilo ah, iyo hoos u si tartiib ah guud ahaan caalamka.
khilaafka ka mid ah boqolaal radionuclides kala duwan, laakiin wax yar uun iyaga ka mid ah ay awoodaan in ay u dhaqmaan on jidhka bini'aadamka, si ay size waa mid aad u yar, iyo suuska waa deg deg ah. C-14, CS-137, Zr-95 iyo Sr-90 ayaa ah kuwa ugu weyn.
Zr-95 ayaa ah bar-nolosha ee 64 maalmood, iyo ku-CS 137 oo Sr-90 - 30 sano. Kaliya carbon-14 nolosha ah nus ka mid ah 5730 sano sii joogi doonaa firfircoon ee mustaqbalka fog.
tamarta nukliyarka
tamarta Nuclear waa ugu muranka ka mid ah dhammaan ilaha nin-dhigay ee shucaaca, laakiin waxa uu leeyahay qayb aad u yar in ay saamayn ku saabsan caafimaadka dadka. Inta uu hawlgalka caadiga ah ee xarumaha nuclear dhaadheer deegaanka ee qadar yar oo ah shucaac. On February 2016, waxaa jiray 442 ka hawlgala tigoodu nuclear sokeeye ee 31 dal, iyo 66 kale oo ka yar tahay dhismaha. Tani waa qayb ka mid kaliya ee wareegga wax soo saarka shidaalka nuclear. Waxaa ay ku bilaabataa ugu wax soo saarka iyo sii darane ee ore uranium oo kordhiyay been shidaalka nuclear. Ka dib markii la isticmaalo ee Quwadda unugyada shidaalka waxaa mararka qaarkood baaraandegi rayshada ee uranium iyo plutonium. Ugu dambeyntii, wareegga dhammaanaysaa asturidda qashinka nukliyeerka. At heer kasta oo silsiladan daadato laga yaabaa wax shucaac ah.
Qiyaastii kala bar wax soo saarka dunida ee ore uranium yimaado yaamayska uga furan, qeybtii kale - ka miinooyinka. ka dibna waxa uu ahaa dhulka ku daqiijin jireen dhow in ay soo saaraan xaddi badan oo qashinka - boqolaal milyan oo ton. qashinka Tani ayaa weli radioactive malaayiin sano ka dib markii shirkadda istaago hawsheeda, inkastoo hawada shucaaca waa jajab u aad u yar oo asal ahaan dabiiciga ah.
Intaas ka dib, uranium la bedelay shidaalka galay by processing dheeraad ah oo daahirinta ku saabsan ku daqiijin jireen xoogga. Nidaamkan waa mid u horseedi wasaqowga hawada iyo biyaha, laakiin waxay wax badan ka yar marxaladaha kale ee wareegga shidaalka ku jira.
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