HangangaPūtaiao

Ko te ture o te mehanga iratuki

ture tinana o te piraunga ira tukituki whakatakoto i muri kitea te 1896 tēnei wā te āhuatanga o te ira. Ko te karihi whakawhiti ohorere o etahi momo atu, a ka emit ratou ngā momo o te radiation me matūriki huānga. tupu fakanatula te tukanga, ka kite i ka puta noa kanoirite me horihori, i roto i te take o te fariiraa i enei i roto i tauhohe karihi. Kei te wehea te matua o nei, kua whakaaro te reira i te whaea, engari tahuri te reira i roto i - te āpiti. I roto i te mau parau te tahi atu, te ture taketake o te piraunga ira tukituki ngā tukanga māori noho o te tahuri tetahi matua ki tetahi.

Ua heheu mai te ako i te aroaro o tēnei wā tai konukarihi radiation mua unknown, e pā te paraharaha whakaahua, ki tonu i te katote rangi, a i te taonga ki te haere na roto i te pereti konganuku kikokore. whakapumautia nga ngā o M. Pierre Curie me konutuki me polonium te withdrawal, rite whakaahuatia ana i runga, me i roto i te pūtaiao, i te ariā hou, ka karanga te parau haapiiraa o te radiation.

Tenei ariā, e whakaata te ture o te mehanga iratuki hāngai, kei runga i te whakaaro o te tukanga noa, i te mea i raro ki tatauranga. Mai te karihi takitahi pirau takitahi i ia atu, e whakaaro ai e te maha toharite o hemo i runga i te wā o te wā hautanga ki te tukanga katinga nondecomposed wā. Ki te whai koe i te ture taupūtanga, te maha o heke tata tino.

āhuatanga te kaha o te tītohunga e rua ngā āhuatanga taketake o te marama: I roto i te whanganga sredneraschitanny pera-ka karanga hawhe-te ora me te karihi ira o te ora. Tuatahi rerekē reira i waenganui i te hautau o te tuarua i roto i miriona me miria o nga tau. Scientists whakapono e kore e tupu i enei karihi tawhito, a kahore he ariā tau mo ratou.

hāngai ana ture mehanga iratuki te i runga i te ture Paraire pera-ka karanga, a ratou, i roto i tahuri, he te putanga o te ariā o te tiaki o te tiaki matua me tau papatipu. I whakapumautia te reira i experimentally e te pānga o te mahi papa autō i roto i ara rerekē: he) puta kurupae deflection rite te matūriki pai whakatupato; b) rite te kino; c) e kore e whakaatu i tetahi tauhohenga. Mai i tenei whai reira e ko te radiation o toru momo.

He te tau kotahi, me ngā momo o te tukanga pirau: ki te tuku o te irahiko; positron; absorption o tetahi irahiko me te karihi. Kei te whakamatauria te reira e te karihi hāngai ki tona hanganga o mata, ite pirau i emitting. ka mohiotia e te ariā rite Arepa pirau, me kua whakatakoto G. A. Gamovym i 1928. whakatakoto te putanga tuarua i roto i 1931 e Enrico Fermi. Kua whakaaturia ana tūhuratanga e etahi momo o irahiko hei utu karihi emit matūriki ritenga - positrons, a kua haere tahi tonu ai i te tukunga o te korakora ki te tiaki hiko kore ka okioki neurine papatipu. whakaaro te tauira māmā o te peta te pirau te he neuron neke iraoho ki te wā wā o 12 meneti.

Ēnei ariā, whakaaro te ture o te mehanga iratuki, ko te matua tae noa ki 1940 o te rau tau 19 tae noa ki te physicists Soviet G. N. Flerov me KA Petrzhak kahore kitea tetahi ahua, i roto i nei māhorahora wehea karihi konukarihi ki e rua matūriki rite. I te tau 1960 i tohu te reira iraoho-rua te irarukenga me-iramoe. Ko ake ki inaianei, kihai i tenei momo o te pirau whakapumautia e whakamātau mahi a kihai i kitea. I kitea te reira i anake radiation iraoho, i roto i nei tuha te karihi o te iraoho te.

Hei mahi ki enei take katoa he uaua, ahakoa he ohie te ture o te mehanga iratuki. Ehara i te mea ohie ki te mahino tona tikanga tinana, me te, o te akoranga, te whakaaturanga o tenei ariā haere tawhiti tua atu i te hōtaka o te ahupūngao rite te kaupapa i roto i te kura.

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