CH545975A - - Google Patents
Info
- Publication number
- CH545975A CH545975A CH76970A CH545975DA CH545975A CH 545975 A CH545975 A CH 545975A CH 76970 A CH76970 A CH 76970A CH 545975D A CH545975D A CH 545975DA CH 545975 A CH545975 A CH 545975A
- Authority
- CH
- Switzerland
- Prior art keywords
- pulses
- amplitude
- sum
- pulse
- coincident
- Prior art date
Links
- 230000001419 dependent effect Effects 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 25
- 238000012360 testing method Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 7
- 230000002829 reductive effect Effects 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 4
- 238000012886 linear function Methods 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 49
- OKTJSMMVPCPJKN-NJFSPNSNSA-N Carbon-14 Chemical compound [14C] OKTJSMMVPCPJKN-NJFSPNSNSA-N 0.000 description 45
- 230000006870 function Effects 0.000 description 42
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 24
- 229910052722 tritium Inorganic materials 0.000 description 24
- 230000006872 improvement Effects 0.000 description 23
- 238000010791 quenching Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 14
- 230000001629 suppression Effects 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- 230000005855 radiation Effects 0.000 description 11
- 230000008901 benefit Effects 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 10
- 238000009826 distribution Methods 0.000 description 10
- 230000009467 reduction Effects 0.000 description 10
- 238000012937 correction Methods 0.000 description 9
- 230000000171 quenching effect Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 238000000926 separation method Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000004069 differentiation Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005567 liquid scintillation counting Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OAICVXFJPJFONN-OUBTZVSYSA-N Phosphorus-32 Chemical compound [32P] OAICVXFJPJFONN-OUBTZVSYSA-N 0.000 description 2
- 101000585507 Solanum tuberosum Cytochrome b-c1 complex subunit 7 Proteins 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 2
- 238000012850 discrimination method Methods 0.000 description 2
- 238000005315 distribution function Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005372 isotope separation Methods 0.000 description 2
- 230000000155 isotopic effect Effects 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007620 mathematical function Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229940097886 phosphorus 32 Drugs 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005250 beta ray Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003079 width control 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
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/204—Measuring radiation intensity with scintillation detectors the detector being a liquid
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79271769A | 1969-01-21 | 1969-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH545975A true CH545975A (d) | 1974-02-15 |
Family
ID=25157840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH76970A CH545975A (d) | 1969-01-21 | 1970-01-20 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3626187A (d) |
| JP (1) | JPS5025832B1 (d) |
| CH (1) | CH545975A (d) |
| DE (1) | DE2001909C3 (d) |
| FR (1) | FR2028804B1 (d) |
| GB (1) | GB1304051A (d) |
| NL (1) | NL7000776A (d) |
| SE (1) | SE371503B (d) |
| ZA (1) | ZA70363B (d) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725657A (en) * | 1969-01-21 | 1973-04-03 | Nuclear Chicago Corp | Method and apparatus for determining efficiency in a liquid scintillation counting system |
| US3783395A (en) * | 1969-06-23 | 1974-01-01 | Searle & Co | Analog window for scintillation camera |
| US3777144A (en) * | 1972-01-19 | 1973-12-04 | Intertechnique Sa | Gamma spectrometry system for sample analysis |
| US4071761A (en) * | 1976-06-07 | 1978-01-31 | Beckman Instruments, Inc. | Method for determining random coincidence count rate in a scintillation counter utilizing the coincidence technique |
| US4559597A (en) * | 1982-07-07 | 1985-12-17 | Clayton Foundation For Research | Three-dimensional time-of-flight positron emission camera system |
| US4651006A (en) * | 1985-04-08 | 1987-03-17 | Packard Instrument Company, Inc. | Reduced background scintillation counting |
| SE448123B (sv) * | 1985-05-28 | 1987-01-19 | Wallac Oy | Forfarande for att vid vetskescintillationsrekning diskriminera mellan olika sorters detekterade scintillationsforlopp |
| US5594250A (en) * | 1995-04-03 | 1997-01-14 | Condreva; Kenneth J. | Method for detecting water equivalent of snow using secondary cosmic gamma radiation |
| US7214942B2 (en) * | 2003-04-10 | 2007-05-08 | North Carolina State University | Gamma ray detectors having improved signal-to-noise ratio and related systems and methods for analyzing bulk materials |
| CN109669206A (zh) * | 2019-03-03 | 2019-04-23 | 南昌华亮光电有限责任公司 | 环绕式液体闪烁体智能能谱仪系统及其信号处理方法 |
| CN115436988B (zh) * | 2022-09-26 | 2025-01-24 | 中国医学科学院放射医学研究所 | 一种基于mos管的辐射探测器信号处理系统及方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2861184A (en) * | 1955-04-04 | 1958-11-18 | Itt | Pulse pair detector |
| FR1437417A (fr) * | 1964-12-23 | 1966-05-06 | Thomson Houston Comp Francaise | Perfectionnements aux appareils de mesures du type à comparaison |
| US3320419A (en) * | 1965-03-18 | 1967-05-16 | Ans Inc | Liquid scintillation counting system for the measurement of soft beta activity |
| US3388254A (en) * | 1966-09-07 | 1968-06-11 | Atomic Energy Commission Usa | Method for determining the amount of cesium-137 in irradiated nuclear fuel |
| US3484703A (en) * | 1966-11-09 | 1969-12-16 | Atomic Energy Commission | Pulse height compensation in time to amplitude conversion |
-
1969
- 1969-01-21 US US792717*A patent/US3626187A/en not_active Expired - Lifetime
-
1970
- 1970-01-16 DE DE2001909A patent/DE2001909C3/de not_active Expired
- 1970-01-16 GB GB222970A patent/GB1304051A/en not_active Expired
- 1970-01-20 JP JP45005361A patent/JPS5025832B1/ja active Pending
- 1970-01-20 CH CH76970A patent/CH545975A/de not_active IP Right Cessation
- 1970-01-20 ZA ZA700363A patent/ZA70363B/xx unknown
- 1970-01-20 NL NL7000776A patent/NL7000776A/xx not_active Application Discontinuation
- 1970-01-20 SE SE7000631A patent/SE371503B/xx unknown
- 1970-01-20 FR FR7001983A patent/FR2028804B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE371503B (d) | 1974-11-18 |
| FR2028804B1 (d) | 1974-09-20 |
| DE2001909C3 (de) | 1979-04-12 |
| ZA70363B (en) | 1971-03-31 |
| DE2001909B2 (de) | 1978-08-17 |
| JPS5025832B1 (d) | 1975-08-27 |
| DE2001909A1 (de) | 1970-08-13 |
| US3626187A (en) | 1971-12-07 |
| GB1304051A (d) | 1973-01-24 |
| FR2028804A1 (d) | 1970-10-16 |
| NL7000776A (d) | 1970-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |