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Radij 224 Tablicya izotopiv Zagalni vidomosti Nazva simvol torij X 224 Nejtroniv 136 Protoniv 88 Vlastivosti izotopu Period napivrozpadu 3 64 dib Atomna masa 224 0202118 24 a o m Spin 0 Kanal rozpadu Energiya rozpadu a rozpad 5 78885 15 MeV 14C Radij 224 simvol 224Ra takozh vidomij yak Torij X ThX prirodnij izotop radiyu z periodom napivrozpadu 3 66 4 dobi 91 4 viprominyuvannya yake vin vipuskaye stanovit alfa viprominyuvannya Ce pryamij produkt rozpadu toriyu sho bulo dovedeno v 1900 roci vchenim Ernestom Rezerfordom Utvorennya i rozpadRadij 224 utvoryuyetsya pri rozpadi toriyu 228 90 228 T h 88 224 R a 2 4 H e displaystyle mathrm 228 90 Th rightarrow mathrm 224 88 Ra mathrm 4 2 He Krim togo radij 224 utvoryuyetsya pri beta rozpadi inshi movi period napivrozpadu 3 33 10 hv energiya rozpadu 2 830 50 keV i pri beta plyus rozpadi aktiniyu 224 period napivrozpadu 2 78 17 god energiya rozpadu 1 408 4 keV 87 224 F r 88 224 R a e n e displaystyle mathrm 224 87 Fr rightarrow mathrm 224 88 Ra e bar nu e 89 224 A c 88 224 R a e n e displaystyle mathrm 224 89 Ac rightarrow mathrm 224 88 Ra e nu e 89 224 A c e 88 224 R a n e displaystyle mathrm 224 89 Ac e rightarrow mathrm 224 88 Ra nu e Radij 224 zaznaye a rozpadu v rezultati rozpadu utvoryuyetsya nuklid takozh vidomij yak radioaktivnij gaz toron energiya sho vidilyayetsya 5 788 85 15 keV 88 224 R a 86 220 R n 2 4 H e displaystyle mathrm 224 88 Ra rightarrow mathrm 220 86 Rn mathrm 4 2 He Z vkraj nizkoyu jmovirnistyu 4 0 12 10 9 radij 224 zaznaye klasternogo rozpadu z utvorennyam nuklidu 14C 88 224 R a 82 210 P b 6 14 C displaystyle mathrm 224 88 Ra rightarrow mathrm 210 82 Pb mathrm 14 6 C Fizichni vlastivostiCe prirodnij izotop radiyu z atomnoyu masoyu 224 V rezultati rozpadu vin vipuskaye viprominyuvannya sho skladayetsya z alfa promeniv 91 4 beta promeniv 4 1 i gamma promeniv 4 5 IstoriyaElement torij buv vidkritij u 1829 roci Yakobom Berceliusom Naprikinci 19 stolittya Mariya Kyuri dovela jogo radioaktivni vlastivosti U 1900 roci Ernest Rezerford prodemonstruvav sho radij 224 todi vin nazivavsya toriyem H ye produktom pryamogo rozpadu toriyu z korotkim periodom napivrozpadu V medicini Mizh 1913 i 1916 rokami nimeckij dermatolog Dzhozef Yadasson zaproponuvav mozhlive vikoristannya novogo izotopu v likuvanni shkirnih zahvoryuvan Jogo takozh vvodili lyudyam yaki strazhdayut na anemiyu Pislya pochatku Drugoyi svitovoyi vijni vikoristannya toriyu X bulo shiroko poshirene sered likariv u Yevropi ta menshoyu miroyu u Spoluchenih Shtatah Do seredini 20 stolittya radij 224 vvazhavsya bezpechnim terapevtichnim zasobom Jogo vikoristovuvali sered inshogo dlya likuvannya psoriazu ta inshi movi Mizh 1930 i 1950 rokami rozchin toriyu X buv populyarnim zasobom dlya vidalennya inshi movi U Nimechchini z 1944 po 1964 rik Torij X vvodili abo nanosili na shkiru paciyentiv yaki strazhdali na tuberkuloz kistok i hvorobu Behtereva Produkt buv dostupnij pid torgovoyu nazvoyu Peteosthor U 1948 roci pediatr Gajnc Shpiss provivshi doslidzhennya pomitiv sho preparat Peteosthor mozhe buti shkidlivij dlya zdorov ya U 1950 h rokah Shpissu vdalosya pripiniti vikoristannya preparatu v likuvanni ditej Peredbachayetsya sho terapiya radiyem 224 prizvodit do zahvoryuvanosti na inshi movi Tomu vid cogo zasobu pochali vidmovlyatisya a naprikinci 1960 h rr vin buv viklyuchenij z medicini Piznishe pislya obstezhennya 800 osib yaki otrimuvali likuvannya radiyem 224 bulo pokazano sho u ponad 50 iz nih kontakt iz izotopom viklikav rozvitok raku kistok Torij X takozh vikoristovuvavsya u virobnictvi kosmetiki ta tovariv povsyakdennogo popitu zokrema nimecka radioaktivna zubna pasta inshi movi PrimitkiNuDat 3 www nndc bnl gov Procitovano 4 chervnya 2024 Audi G Wapstra A H Thibault C The AME2003 atomic mass evaluation II Tables graphs and references 2003 Vol 729 P 337 676 Bibcode 2003NuPhA 729 337A DOI 10 1016 j nuclphysa 2003 11 003 angl NuDat 3 www nndc bnl gov Procitovano 4 chervnya 2024 NuDat 3 www nndc bnl gov Procitovano 4 chervnya 2024 Olivier Couturier Stephane Supiot Marie Degraef Mougin Alain Faivre Chauvet Thomas Carlier Jean Francois Chatal Francois Davodeau Michel Cherel 2005 05 Cancer radioimmunotherapy with alpha emitting nuclides European Journal of Nuclear Medicine and Molecular Imaging 32 5 601 614 doi 10 1007 s00259 005 1803 2 ISSN 1619 7070 PMID 15841373 Lawrence Scerri Bernard R Allen 1996 02 THORIUM X IN DERMATOLOGY A CLOSED CHAPTER International Journal of Dermatology angl 35 2 142 144 doi 10 1111 j 1365 4362 1996 tb03284 x ISSN 0011 9059 R Rajaratnam P Balasubramaniam J R Marsden 2007 01 Thorium X and skin cancer still a problem in the 21st century Clinical and experimental dermatology 32 1 125 126 doi 10 1111 j 1365 2230 2006 02279 x ISSN 0307 6938 Z blizka i z daleka Nasze Zdroje pol 3 10 1912 168 D Chmelevsky H Spiess C W Mays A M Kellerer 1990 The Reverse Protraction Factor in the Induction of Bone Sarcomas in Radium 224 Patients Radiation Research 124 1 S69 S79 doi 10 2307 3577680 ISSN 0033 7587 Elke Anna Nekolla Linda Walsh Heinz Spiess 2010 09 Incidence of malignant diseases in humans injected with radium 224 Radiation Research 174 3 377 386 doi 10 1667 RR1955 1 ISSN 1938 5404 PMID 20726727 Doramad fur strahlend weisse Zahne nim
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