LT2011006A - 137 cs radioaktyviosios užtaršos paprastosios pušies rievėse nustatymo būdas - Google Patents
137 cs radioaktyviosios užtaršos paprastosios pušies rievėse nustatymo būdasInfo
- Publication number
- LT2011006A LT2011006A LT2011006A LT2011006A LT2011006A LT 2011006 A LT2011006 A LT 2011006A LT 2011006 A LT2011006 A LT 2011006A LT 2011006 A LT2011006 A LT 2011006A LT 2011006 A LT2011006 A LT 2011006A
- Authority
- LT
- Lithuania
- Prior art keywords
- distribution
- specific
- results
- gamma
- experiment
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 title 1
- 235000011613 Pinus brutia Nutrition 0.000 title 1
- 241000018646 Pinus brutia Species 0.000 title 1
- 239000002689 soil Substances 0.000 abstract 3
- 238000004458 analytical method Methods 0.000 abstract 2
- 238000002474 experimental method Methods 0.000 abstract 2
- 238000001730 gamma-ray spectroscopy Methods 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- 230000005855 radiation Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Landscapes
- Cultivation Of Plants (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
Išradimas priklauso analizės būdams, kuriais nustatomas radionuklido, skleidžiančio gama spinduliuotę, savitąjį aktyvumą medienoje, nenukertant medžio. Savitasis 137Cs aktyvumas metinėje rievėje nustatomas pagal šio radionuklido pasiskirstymą dirvožemyje po medžio laja. 137Cs pasiskirstymui dirvožemyje po medžio laja nustatyti surenkami dirvožemio bandiniai 1 m atstumu nuo medžio, išdžiovinami iki pastovios masės 105?C temperatūroje, paruošiami tyrimui, atliekama gama spektrometrinė analizė. Žinant cheminių analogų konkurencingumo, 40K santykinio pasiskirstymo koeficientus bei gama spektrometrijos tyrimo duomenis, nustatomas savitasis aktyvumas paskutinėje suformuotoje medžio rievėje santykinis skirtumas, išreikštas procentais, tarp būdo ir natūrinio eksperimento rezultatų yra iki 16,7 %. Vertinant 137Cs savitojo aktyvumo pasiskirstymą metinėse rievėse gaunamas vidutinis santykinis skirtumas, išreikštas procentais, tarp būdo ir natūrinio eksperimento rezultatų, yra 27,0 %.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LT2011006A LT5897B (lt) | 2011-02-07 | 2011-02-07 | 137 cs radioaktyviosios užtaršos paprastosios pušies rievėse nustatymo būdas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LT2011006A LT5897B (lt) | 2011-02-07 | 2011-02-07 | 137 cs radioaktyviosios užtaršos paprastosios pušies rievėse nustatymo būdas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| LT2011006A true LT2011006A (lt) | 2012-08-27 |
| LT5897B LT5897B (lt) | 2013-01-25 |
Family
ID=46682590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LT2011006A LT5897B (lt) | 2011-02-07 | 2011-02-07 | 137 cs radioaktyviosios užtaršos paprastosios pušies rievėse nustatymo būdas |
Country Status (1)
| Country | Link |
|---|---|
| LT (1) | LT5897B (lt) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2265869C1 (ru) | 2004-05-13 | 2005-12-10 | Томский политехнический университет | Способ оценки радиоэкологического загрязнения окружающей среды |
-
2011
- 2011-02-07 LT LT2011006A patent/LT5897B/lt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| LT5897B (lt) | 2013-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG9A | Patent granted |
Effective date: 20130125 |
|
| MM9A | Lapsed patents |
Effective date: 20180207 |