JPS6111384B2 - - Google Patents
Info
- Publication number
- JPS6111384B2 JPS6111384B2 JP54052030A JP5203079A JPS6111384B2 JP S6111384 B2 JPS6111384 B2 JP S6111384B2 JP 54052030 A JP54052030 A JP 54052030A JP 5203079 A JP5203079 A JP 5203079A JP S6111384 B2 JPS6111384 B2 JP S6111384B2
- Authority
- JP
- Japan
- Prior art keywords
- plutonium
- background
- circuit
- signal
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910052778 Plutonium Inorganic materials 0.000 claims description 50
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 claims description 49
- 229910052704 radon Inorganic materials 0.000 claims description 20
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims description 20
- 230000005260 alpha ray Effects 0.000 claims description 15
- 230000002441 reversible effect Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 19
- XQVKLMRIZCRVPO-UHFFFAOYSA-N 4-[(2-arsonophenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonic acid Chemical compound C12=CC=C(S(O)(=O)=O)C=C2C=C(S(O)(=O)=O)C(O)=C1N=NC1=CC=CC=C1[As](O)(O)=O XQVKLMRIZCRVPO-UHFFFAOYSA-N 0.000 description 9
- 241000679125 Thoron Species 0.000 description 9
- 230000035945 sensitivity Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000003915 air pollution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 150000001212 Plutonium Chemical class 0.000 description 1
- 230000001944 accentuation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/17—Circuit arrangements not adapted to a particular type of detector
- G01T1/178—Circuit arrangements not adapted to a particular type of detector for measuring specific activity in the presence of other radioactive substances, e.g. natural, in the air or in liquids such as rain water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S250/00—Radiant energy
- Y10S250/02—Radon detection
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5203079A JPS55144575A (en) | 1979-04-28 | 1979-04-28 | Background compensation type plutonium air monitor |
US06/138,406 US4295045A (en) | 1979-04-28 | 1980-04-08 | Background compensation type plutonium air monitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5203079A JPS55144575A (en) | 1979-04-28 | 1979-04-28 | Background compensation type plutonium air monitor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55144575A JPS55144575A (en) | 1980-11-11 |
JPS6111384B2 true JPS6111384B2 (US06262066-20010717-C00359.png) | 1986-04-02 |
Family
ID=12903406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5203079A Granted JPS55144575A (en) | 1979-04-28 | 1979-04-28 | Background compensation type plutonium air monitor |
Country Status (2)
Country | Link |
---|---|
US (1) | US4295045A (US06262066-20010717-C00359.png) |
JP (1) | JPS55144575A (US06262066-20010717-C00359.png) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2184228B (en) * | 1985-11-25 | 1989-11-01 | Central Electr Generat Board | Method and apparatus for monitoring the concentration of airborne actinides |
US4871914A (en) * | 1987-05-05 | 1989-10-03 | Sun Nuclear Corporation | Low-cost radon detector |
JPH01244945A (ja) * | 1988-03-24 | 1989-09-29 | Nippon Waipabureede Kk | ワイパ装置 |
US4888485A (en) * | 1988-06-27 | 1989-12-19 | The United States Department Of Energy | Beta/alpha continuous air monitor |
US4894535A (en) * | 1988-10-03 | 1990-01-16 | Madnick Peter A | Radon gas detector |
US4975574A (en) * | 1990-01-05 | 1990-12-04 | Henry Lucas | Method of and apparatus for measuring the mean concentration of thoron and/or radon in a gas mixture |
JP4061367B2 (ja) * | 2005-03-18 | 2008-03-19 | 独立行政法人 日本原子力研究開発機構 | ZnS(Ag)シンチレーション検出器 |
GB2428088A (en) * | 2005-07-08 | 2007-01-17 | Martin John Oliver | Improvements to radiation monitoring in the presence of interfering isotopes |
US10031060B2 (en) | 2016-07-13 | 2018-07-24 | Mauro & Associates, Llc | Continuous, real time monitor for airborne depleted uranium particles in the respiratory range and corresponding method of use |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2957084A (en) * | 1956-04-20 | 1960-10-18 | Ca Atomic Energy Ltd | Alpha air monitor |
US4078178A (en) * | 1977-01-03 | 1978-03-07 | Kevex Corporation | Dynamic background subtraction circuit |
-
1979
- 1979-04-28 JP JP5203079A patent/JPS55144575A/ja active Granted
-
1980
- 1980-04-08 US US06/138,406 patent/US4295045A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS55144575A (en) | 1980-11-11 |
US4295045A (en) | 1981-10-13 |
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