Y Type Liquid Sefa Ongororo yeMa Particles Ane Alpha Emitters muMvura Yakafa muReactor Annular Chamber of Unit 2 yeFukushima Daiichi Nuclear Power Plant.

Ndatenda nekushanya kwenyu https://likvchina.goodao.net/, uri kushandisa shanduro yerutsigiro yebrowser yeCSS co., LTD. Kuti uwane ruzivo rwakanyanya, tinokurudzira kuti ushandise bhurawuza nyowani (kana kudzima modhi yekuenderana muInternet Explorer). Zvichakadaro, kuti tive nechokwadi chekuenderera mberi nerutsigiro, isu ticharatidza saiti isina masitaera uye JavaScript. Zvimedu zvine alpha (α) nuclides zvakawanikwa mune sediments mumvura yakatenderera ye reactor no. 2 yeFukushima Daiichi Nuclear Power Plant (FDiNPS). Uranium (U), chikamu chikuru chemafuta enyukireya, yakaongororwa nekuongorora electron microscope (SEM). Mamwe α -nuclides (plutonium [Pu], americium [Am] uye Curium [Cm]) akaonekwa ne α locus, uye morphology ye-α -nuclide particles yakaongororwa neSEM energy spectrum analysis (EDX). Zvikamu zvinoverengeka zveuranium kubva kune submicron kusvika kune akati wandei mamicron zvakawanikwa nekuongorora electron microscopy. Izvi zvimedu zvine zirconium (Zr) uye zvimwe zvinhu zvinogadzira mafuta ekuputira uye zvimiro zvemukati. Iyo 235U/238U isotope ratio muchikamu chakasimba (kusanganisira U particles) inopindirana nemafuta enyukireya anowanikwa mureactor no. 2. Izvi zvinoratidza kuti uranium yemhando imwe chete yemafuta inova yakanaka. Zvimedu zvine nuclides zvakaonekwa nealpha trajectory ongororo inosiyana muhukuru kubva pamakumi kusvika kumazana emamicrons. EDX spectroscopic analysis inoratidza kuti zvimedu izvi zvakanyanya zvine iron. Pu, Am uye Cm zvakashambadzirwa paFe particles nekuda kwehuwandu hudiki hwe α -nuclide. Chidzidzo ichi chinojekesa mutsauko wemhando dzakanyanya dzeU uye mamwe ma alpha nuclides mu hydroponic deposits ye annular chamber yeFDiNPS 2 reactor. Tepco's Fukushima Daiichi nuclear power plant (FDiNPS) yakakuvadzwa zvakanyanya nekudengenyeka kwenyika kwaMarch 11, 2011 uye tsunami yakatevera. Panguva iyoyo, zvikamu 1-3 zvezvitanhatu zvemagetsi zvakanga zviri kushanda, uye mafuta enyukireya muzvikamu 1-3 akakuvadzwa. Mvura yegungwa nemvura yakachena zvinobayiwa kubvisa kupisa kwakaora kubva mumafuta enyukireya. Mvura inoramba iri pasi pechivako, apo zvikamu zvemafuta enyukireya zvinonyungudika, zvichigadzira dziva remvura rine radioactive. Mvura yakafa ine radionuclides yakadai sefission products uye nuclear fuel actinides. Gadzira makemikari ekurapa maitiro ekubvisa radionuclides, kumisa kutenderera engineering system, uye kudzoreredza mvura inotonhorera kuti ishandiswezve. Kubva ipapo, huwandu hwemvura yakamira hwakadzikira zvishoma nezvishoma, asi zvimedu zvakanaka zvine huwandu hwepamusoro hwealpha (α) radionuclides dzakawanikwa pasi pevhu muzvivakwa zve reactor. Misana ye alpha nuclides (102-105 Bq/L) mumvura yakamira, kusanganisira sediment, yakakwirira kudarika mumvura inotonhorera muzvivakwa zvepasi. Radiated radionuclides, senge uranium (U) uye plutonium (Pu), inogona kukonzera kuratidzwa kwakanyanya kwemukati kana ichipinda mumuviri. α -nuclide ndiyo nuclide huru yezvigadzirwa zvefission uye inofanira kunyatsodzorwa kana ichienzaniswa necesium (Cs) -137 uye strontium (Sr) -90. Matekiniki ekubvisa zvakanaka ma alpha nuclides kubva mumvura yakamira anofanira kugadzirwa. Kuti izvi zviitike, mvura yakamira yakaunganidzwa mukamuri yegore mukamuri yepasi peiyo reactor chivakwa cheUnit 2, uye sediment iri mumvura yakamira yakaongororwa neradiochemical analysis. Samples ine zvakasanganiswa sludge components kubva pamire reactor building mvura yakasimbisa kuvapo kwealpha radionuclides. Kuti urambe uchirapa mvura yakamira mukati mukati mezvivakwa zve reactor mune ramangwana, kunzwisiswa kuri nani kwemhando dzakasiyana dzealpha emitters kunodiwa, kunyanya idzo dzine zvinhu zvakaonda mumvura isingayerere. Muchidzidzo ichi, u radioactive particles yakabatana neCs particles (CsMPs) yakaonekwa kunze kwenzvimbo yeFDiNPS, uye maitiro avo emuviri nemakemikari uye morphology yakaongororwa 3, 4, 5, 6, 7, 8. Abe et al. yakaunganidzwa maCsMP akabudiswa neFDiNPS kubva mumhepo uye akaaongorora achishandisa synchronous X-rays kuti aone U muCsMPs. Ochiai et al. yakaona mazana ema nanometers eU zvimedu muCsMP neSEM-EDX ongororo. Iyo diffraction pateni yeUO2 pamagnetite yakaonekwa nekutumira ma electron microscope, uye mhedzisiro yakaratidza kuumbwa kweUO2. Saizvozvowo, maitiro akasiyana-siyana eUO2 uye zirconia akawanikwa nokuda kwezvikamu zvakasanganiswa zveZr uye U muCSMP. Izvi zvinoratidza kuti U iripo muCsMP muchimiro cheUO2 uye U-Zr nanocrystals. Kurihara et al. 8 yakaongorora iyo isotope ratios ye235U uye 238U muCsMP ne nanoscale sub-ion mass spectrometry ndokuona kuti pakanga paine U muhuturu hwekuumbwa kwe reactor no. 2 muCsMP. Ivhu rinoongorora 9, 10, 11, 12, 13, mhepo inobhururuka uye CsMPs7 yakataurawo kuburitswa kwemafuta anotorwa polyurethanes munzvimbo. The Buddha