① Ihe ndabere BIN (Background Identification of Normal) na-eleghara teknụzụ anya
② MCA multispectrum analyzer, njirimara SIGMA statistical algọridim
③ Ọrụ NORM (40K) Ngwa ngwa ịmata ọdịiche dị n'etiti ihe arụrụ arụ na nke eke (dịka ọmụmaatụ40K,232Th)
④ Nuclide njirimara ọrụ (na sodium iodide nyocha / nhọrọ)
⑤ Ijikọta sodium iodide detector na MCA multichannel ume spectrometer analyzer nwere ike ịmata nke ọma n'etiti ọgwụ nuclides, ụlọ ọrụ nuclides, na eke radionuclides.
| Natural nuclide | 40K,226Ra,232Th |
| Ụlọ ọrụ nuclide | 241M,137Cs,60Co,57Co,22Na,133Ba,54Mn,88Y |
| Ọgwụ nuclides | 131m,201Tl,203Hg,18F,99mTc,99Mo,192Ir |
| Ngwa nuklia pụrụ iche | 57Co,152Eu,238U |
⑥ Nlele ọsọ ọsọ (ọsọ ọsọ: 200ms)
| aha oru ngo | Ozi oke |
| Ụdị ihe nchọpụta | Plate Plate Scintillator + obere mkpọtụ fotomultiplier tube |
| Olu ihe nchọpụta | 5,10,15 nhọrọ nwere nyocha abụọ (nyocha abụọ ndabara ụzọ) |
| Oke ngafe kacha | 106cps |
| ike nso | 25keV ~ 3MV |
| uche | m5000cps / (Sv / h) (10 L, ikwu137Cs) |
| Nchọpụta oke ala | Ikike ịchọpụta radieshon n'elu ndabere nke 5nSv / h |
| Nhọrọ, tube neutron |
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| Nchọpụta dinnuclide nhọrọ |
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1. arụmọrụ nchọpụta static (AB)
A. Nchọpụta nchọta kwụ ọtọ nke sistemụ nleba anya ndị na-agafe agafe
| redioaktivu isi iyi | Isi ikekeV | Nchọpụta nke ọma | Ọnụọgụ dose na 1.5m / (nSv.h-1/MBq | |
| s-1/MBq | s-1/(nSv.h-1) | |||
| 241Am | 60 | ≥220 | ≥94 | 2.3 |
| 57Co | 122,136 | ≥840 | ≥90 | 9.3 |
| 137Cs | 662 | ≥960 | ≥23 | 42 |
| 60Co | 1173,1332 | ≥1800 | ≥11 | 160 |
| 133Ba | 3,181,302,356 | ≥1680 | ≥73 | 23 |
wunye:
1. A na-etinye 252Cf neutron ọkọlọtọ isi iyi nke nwere isi iyi neutron siri ike nke 12000 / s (1 ± 20%) na ebe ebe nchọpụta nchọpụta.
2. Ọnụ ọgụgụ neutron ga-ezute ihe achọrọ nke ọnụ ọgụgụ nke> 100 (1 ± 20%) / s
Nchọpụta nchọta kwụ ọtọ nke sistemụ nlebanya ngwungwu B-ahiri
| redioaktivu isi iyi | Isi ikekeV | Nchọpụta nke ọma | Ọnụọgụ dose na 1.5m / (nSv.h-1/MBq | |
| s-1/MBq | s-1/(nSv.h-1) | |||
| 241Am | 59.5 | ≥480 | ≥92 | 5.2 |
| 57Co | 122,136 | ≥2400 | ≥114 | 21 |
| 137Cs | 662 | ≥2640 | ≥28 | 95 |
| 60Co | 1173,1332 | ≥5760 | ≥16 | 360 |
| 133Ba | 3,181,302,356 | ≥4560 | ≥88 | 52 |
2. Nchọpụta uche
Sistemụ nleba anya nke ndị na-agafe agafe na usoro nlekota ngwugwu ahịrị
Onye na-aga ije: puru omume nchọta f 90% ọsọ v=1.2m/s
ngwugwu ahịrị: ihe gbasara puru omume f 90% ọsọ v=1m/s
| redioaktivu isi iyi | Omume ma ọ bụ àgwà |
| 137Cs | 0.08MBq |
| 60Co | 0.02MBq |
| 241Am | 2.27MBq |
3. Mgbochi nnyonye anya nke onye na-achọpụta neutron
Mgbe isi iyi 60Co na-ewepụta ọnụego dose na etiti geometric nke neutron detector elu nke sistemu nlekota, karịa 120 Sv / h, usoro nlekota ekwesịghị ịkpalite mkpu neutron.
4. Ọnụọgụ mkpu ụgha: 0.01% (, neutron)
Ihe gbasara nke puru omume oti mkpu usoro nchọpụta nke ihe anaghị eme redio ma ọ bụ na-abụghị SNM
5. ibu ibu njirimara
Mgbe ọnụọgụ ihe nrịbama elu> 120 Sv / h, sistemụ nleba anya ga-edobe ọnọdụ mkpu ma laghachi na steeti ndabere, oge ntọhapụ mkpu na-erughị 60s.
6. Mmetụta mmetụta
N'ime oke mpaghara nchọpụta ahụ
Onye ji ụkwụ aga ± 25% ngwugwu ahịrị ± 25%
Ọnụọgụ nhụsianya
Na gburugburu kwụsiri ike:
Jiri ihe mmetụta oghere, ugboro 10000, ọnụego mkpu ụgha 1
Na-ejighi ihe mmetụta bi, a na-eji ọnụego mkpu ụgha na ọnụego amaghị ihe otu ugboro n'ime awa 12
γ Nzaghachi Radiation
Were ugboro 50, mkpu ugboro 49
Iwe iwe
N'ihe karịrị 100 v S / h, a na-ewepụta mkpu ọkụ radieshon dị elu ma wepụ ya n'ime nkeji 1 ka isi mmalite ahụ pụta.
Oti mkpu neutron na-akpata radieshon
Ọ dịghị mkpu neutron na-akpalite mgbe ọnụego dose nke γ-ray ruru 100 Sv / h.
Mmetụta ndabere
Mgbe mgbanwe n'azụ buru ibu iji mee ka mgbanwe dị ukwuu na ohere mkpu, usoro nlekota ga-enye ịdọ aka ná ntị ozugbo.
Nchọpụta nuclide
| Natural nuclide | 40K,226Ra,232Th |
| Ụlọ ọrụ nuclide | 241M,137Cs,60Co,57Co,22Na,133Ba,54Mn,88Y |
| Ọgwụ nuclides | 131m,201Tl,203Hg,18F,99mTc,99Mo,192Ir |
| Ngwa nuklia pụrụ iche | 57Co,152Eu,238U |
Mara: Nchọpụta nuclide na nchọpụta neutron bụ nhọrọ, ọ bụghị n'usoro ọkọlọtọ
Onyonyo 1. Ngwunye na nlekota radieshon na-agafe agafe
