FI56904C - Anordning foer maetning av grundaemneshalterna hos ett material enligt infaongningsgammametoden - Google Patents
Anordning foer maetning av grundaemneshalterna hos ett material enligt infaongningsgammametoden Download PDFInfo
- Publication number
- FI56904C FI56904C FI781381A FI781381A FI56904C FI 56904 C FI56904 C FI 56904C FI 781381 A FI781381 A FI 781381A FI 781381 A FI781381 A FI 781381A FI 56904 C FI56904 C FI 56904C
- Authority
- FI
- Finland
- Prior art keywords
- detector
- neutrons
- sample
- source
- neutron
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/221—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
Claims (9)
1. Anordning för mätning av grundämneshalterna i ett material enligt infängningsgammametoden, omfattande antingen en isotopkälla eller en neutrongenerator säsom neutronkälla (4), en halvledarde-tektor säsom gammasträlningsdetektor samt en moderator (3), vilken ätminstone delvis utgöres av tungt vatten, kännetecknad av att detektorn placerats omedelbart intill eller i provet som befinner sig i de längsamma neutronernas flöde och att det finns sä mycket av moderatorn mellan källan och kombinationen av prov-detektor, att endast i ringa män snabba neutroner kan nä fram tili och skada detektorn.
2. Anordning enligt patentkravet 1, kännetecknad av att en del av moderatorn utgöres av grafit (5), vilken lämp-ligen befinner sig kring det tunga vattnet (3).
3. Anordning enligt patentkravet 1 eller 2, kännetecknad av att den därtill säsom moderatorämne innehäller vanligt vatten eller annat vätehaltigt ämne.
4. Anordning enligt nägot av de föregäende patentkraven, kännetecknad av att mellan neutronkällan (4) och detektorn (1) säsom absorbator för gammasträlningen och spridare för de snabba neutronerna anpassats ett tungt, neutroner i ringa män absorberande ämne, exempelvis vismut (2),
5. Anordning enligt nägot av de föregäende patentkraven, kännetecknad av att spridaren (2) har formen av en kon eller tvä efter varandra placerade koner, varvid neutronkällan (4) är belägen intill konens spets och konens utvidgade Mnde är riktad mot detektorn (1).
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI781381A FI56904C (fi) | 1978-05-04 | 1978-05-04 | Anordning foer maetning av grundaemneshalterna hos ett material enligt infaongningsgammametoden |
ZM37/79A ZM3779A1 (en) | 1978-05-04 | 1979-04-16 | Apparatus for measuting the concentrations of elements in a material by the capture gamma method |
ZA792076A ZA792076B (en) | 1978-05-04 | 1979-04-30 | Apparatus for measuring the concentrations of elements in a material by the capture gamma method |
DE2917473A DE2917473C2 (de) | 1978-05-04 | 1979-04-30 | Vorrichtung zum Bestimmen der Zusammensetzung eines Materialstromes |
AU46614/79A AU515642B2 (en) | 1978-05-04 | 1979-05-01 | Apparatus for measuring the concentrations of elements in a material |
GB7915162A GB2020421B (en) | 1978-05-04 | 1979-05-01 | Apparatus for measuring the concentrations of elements in a material by tehe capture gamma method |
CA326,775A CA1131808A (en) | 1978-05-04 | 1979-05-02 | Apparatus for measuring the concentrations of elements in a material by the capture gamma method |
US06/035,245 US4278885A (en) | 1978-05-04 | 1979-05-02 | Apparatus for measuring the concentrations of elements in a material by the capture gamma method |
PL1979215343A PL122043B1 (en) | 1978-05-04 | 1979-05-03 | Apparatus for measuremement of concentration of constituents in material by means of capture gamma radiation methodateriale pri pomohhi metoda zakhvatnogo gamma-izluchenija |
MX10085979U MX5487E (es) | 1978-05-04 | 1979-05-03 | Mejoras en aparato para medir las concentraciones de elementos en un material mediante el metodo de captura gamma |
SU792777201A SU1291033A3 (ru) | 1978-05-04 | 1979-05-03 | Устройство дл измерени концентрации элементов в материалах |
FR7911812A FR2425066A1 (fr) | 1978-05-04 | 1979-05-03 | Appareil pour mesurer les concentrations en elements d'une matiere par le procede de fixation gamma |
SE7903869A SE440696B (sv) | 1978-05-04 | 1979-05-03 | Anordning for metning av grundemneshalterna i ett material enligt infangningsgammametoden |
ES480742A ES480742A1 (es) | 1978-05-04 | 1979-05-03 | Perfeccionamientos en los aparatos para medir las concentra-ciones de elementos en un material, mediante el metodo de - captura con radiacion gamma. |
YU1057/79A YU41862B (en) | 1978-05-04 | 1979-05-04 | Apparatus for measuring the concentrations of elements in a material, by the capture gamma method |
JP5414379A JPS54149697A (en) | 1978-05-04 | 1979-05-04 | Device for measuring concentration of element in substance by capture gammaaray method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI781381 | 1978-05-04 | ||
FI781381A FI56904C (fi) | 1978-05-04 | 1978-05-04 | Anordning foer maetning av grundaemneshalterna hos ett material enligt infaongningsgammametoden |
Publications (3)
Publication Number | Publication Date |
---|---|
FI781381A FI781381A (fi) | 1979-11-05 |
FI56904B FI56904B (fi) | 1979-12-31 |
FI56904C true FI56904C (fi) | 1980-04-10 |
Family
ID=8511681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI781381A FI56904C (fi) | 1978-05-04 | 1978-05-04 | Anordning foer maetning av grundaemneshalterna hos ett material enligt infaongningsgammametoden |
Country Status (15)
Country | Link |
---|---|
US (1) | US4278885A (sv) |
JP (1) | JPS54149697A (sv) |
AU (1) | AU515642B2 (sv) |
CA (1) | CA1131808A (sv) |
DE (1) | DE2917473C2 (sv) |
ES (1) | ES480742A1 (sv) |
FI (1) | FI56904C (sv) |
FR (1) | FR2425066A1 (sv) |
GB (1) | GB2020421B (sv) |
PL (1) | PL122043B1 (sv) |
SE (1) | SE440696B (sv) |
SU (1) | SU1291033A3 (sv) |
YU (1) | YU41862B (sv) |
ZA (1) | ZA792076B (sv) |
ZM (1) | ZM3779A1 (sv) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365154A (en) * | 1980-03-06 | 1982-12-21 | Texaco Inc. | Detection of impurities in a fluid containing free gas using nuclear techniques |
US4464330A (en) * | 1982-05-13 | 1984-08-07 | The United States Of America As Represented By The Department Of Energy | Apparatus for irradiating a continuously flowing stream of fluid |
US4483817A (en) * | 1983-01-31 | 1984-11-20 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for mapping the distribution of chemical elements in an extended medium |
US4590377A (en) * | 1984-06-11 | 1986-05-20 | Irt Corporation | In situ isotopic meat grader |
GB8523060D0 (en) * | 1985-09-18 | 1985-10-23 | Cogent Ltd | Coal analysis |
FR2588085B1 (fr) * | 1985-10-02 | 1987-10-30 | Commissariat Energie Atomique | Dispositif de detection de matiere fissile |
FR2588969B1 (fr) * | 1985-10-18 | 1988-02-26 | Commissariat Energie Atomique | Dispositif de detection de substances par exemple explosives |
AU600461B2 (en) * | 1985-12-31 | 1990-08-16 | Commonwealth Scientific And Industrial Research Organisation | Neutron and gamma-ray moisture assay |
US4851687A (en) * | 1987-01-13 | 1989-07-25 | Scientific Innovations, Inc. | Detection of nitrogen in explosives |
US4822552A (en) * | 1987-02-25 | 1989-04-18 | Westinghouse Electric Corp. | Method and apparatus for passively gamma scanning a nuclear fuel rod |
US5153439A (en) * | 1987-05-26 | 1992-10-06 | Science Applications International Corporation | Multi-sensor explosive detection system using an articifical neural system |
FR2641867B1 (fr) * | 1989-01-13 | 1991-03-08 | Commissariat Energie Atomique | Procede et dispositif de detection de substances et en particulier d'explosifs, par irradiation neutronique de ceux-ci |
FR2652651B1 (fr) * | 1989-10-03 | 1991-12-13 | Commissariat Energie Atomique | Systeme de detection de substances et en particulier d'explosifs, par irradiation neutronique de ceux-ci. |
US5098640A (en) * | 1990-01-10 | 1992-03-24 | Science Applications International Corporation | Apparatus and method for detecting contraband using fast neutron activation |
US5076993A (en) * | 1990-01-12 | 1991-12-31 | Science Applications International Corporation | Contraband detection system using direct imaging pulsed fast neutrons |
US5133901A (en) * | 1991-03-01 | 1992-07-28 | Westinghouse Electric Corp. | System and method for on-line monitoring and control of heavy metal contamination in soil washing process |
US5539788A (en) * | 1992-10-08 | 1996-07-23 | Westinghouse Electric Corporation | Prompt gamma neutron activation analysis system |
US5412206A (en) * | 1994-02-18 | 1995-05-02 | Westinghouse Electric Company | Method and apparatus for determining the depth of a gamma emitting element beneath the surface |
US5781602A (en) * | 1996-05-17 | 1998-07-14 | Westinghouse Electric Corporation | PGNAA system for non-invasively inspecting RPV weld metal in situ, to determine the presence and amount of trace embrittlement-enhancing element |
US20030165212A1 (en) * | 1998-02-18 | 2003-09-04 | Maglich Bogdan C. | Method and apparatus for detecting, locating, and analyzing chemical compounds using subatomic particle activation |
US6144032A (en) * | 1998-05-07 | 2000-11-07 | Gazdzinski; Robert F. | Method and apparatus for measuring the condition of degradable components |
US6791089B1 (en) * | 1999-03-29 | 2004-09-14 | Bechtel Bwxt Idaho, Llc | PINS chemical identification software |
US20050254614A1 (en) * | 2004-03-11 | 2005-11-17 | Mckinny Kevin S | Method and apparatus for measuring wall thickness of a vessel |
US7820977B2 (en) | 2005-02-04 | 2010-10-26 | Steve Beer | Methods and apparatus for improved gamma spectra generation |
US8173970B2 (en) | 2005-02-04 | 2012-05-08 | Dan Inbar | Detection of nuclear materials |
US7847260B2 (en) | 2005-02-04 | 2010-12-07 | Dan Inbar | Nuclear threat detection |
US9859972B2 (en) | 2014-02-17 | 2018-01-02 | Ubiqomm Llc | Broadband access to mobile platforms using drone/UAV background |
US9479964B2 (en) | 2014-04-17 | 2016-10-25 | Ubiqomm Llc | Methods and apparatus for mitigating fading in a broadband access system using drone/UAV platforms |
US9614608B2 (en) | 2014-07-14 | 2017-04-04 | Ubiqomm Llc | Antenna beam management and gateway design for broadband access using unmanned aerial vehicle (UAV) platforms |
US9571180B2 (en) | 2014-10-16 | 2017-02-14 | Ubiqomm Llc | Unmanned aerial vehicle (UAV) beam forming and pointing toward ground coverage area cells for broadband access |
US9712228B2 (en) | 2014-11-06 | 2017-07-18 | Ubiqomm Llc | Beam forming and pointing in a network of unmanned aerial vehicles (UAVs) for broadband access |
US9590720B2 (en) | 2015-05-13 | 2017-03-07 | Ubiqomm Llc | Ground terminal and gateway beam pointing toward an unmanned aerial vehicle (UAV) for network access |
US9660718B2 (en) | 2015-05-13 | 2017-05-23 | Ubiqomm, LLC | Ground terminal and UAV beam pointing in an unmanned aerial vehicle (UAV) for network access |
US9980267B2 (en) | 2016-05-06 | 2018-05-22 | Bridgewest Finance Llc | Unmanned aerial vehicle (UAV) beam pointing and data rate optimization for high throughput broadband access |
US10313686B2 (en) | 2016-09-20 | 2019-06-04 | Gopro, Inc. | Apparatus and methods for compressing video content using adaptive projection selection |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2938119A (en) * | 1956-10-08 | 1960-05-24 | Texaco Inc | Radioactivity analysis |
US3234387A (en) * | 1962-01-03 | 1966-02-08 | Gen Electric | Apparatus for identifying materials by activation analysis |
US3746871A (en) * | 1970-12-02 | 1973-07-17 | Union Carbide Corp | Method of determining the presence and amount of vanadium in an earth formation |
US3723727A (en) * | 1971-06-30 | 1973-03-27 | Atomic Energy Commission | In-situ neutron activation |
-
1978
- 1978-05-04 FI FI781381A patent/FI56904C/fi not_active IP Right Cessation
-
1979
- 1979-04-16 ZM ZM37/79A patent/ZM3779A1/xx unknown
- 1979-04-30 ZA ZA792076A patent/ZA792076B/xx unknown
- 1979-04-30 DE DE2917473A patent/DE2917473C2/de not_active Expired
- 1979-05-01 GB GB7915162A patent/GB2020421B/en not_active Expired
- 1979-05-01 AU AU46614/79A patent/AU515642B2/en not_active Ceased
- 1979-05-02 CA CA326,775A patent/CA1131808A/en not_active Expired
- 1979-05-02 US US06/035,245 patent/US4278885A/en not_active Expired - Lifetime
- 1979-05-03 FR FR7911812A patent/FR2425066A1/fr active Granted
- 1979-05-03 SE SE7903869A patent/SE440696B/sv not_active IP Right Cessation
- 1979-05-03 ES ES480742A patent/ES480742A1/es not_active Expired
- 1979-05-03 SU SU792777201A patent/SU1291033A3/ru active
- 1979-05-03 PL PL1979215343A patent/PL122043B1/pl unknown
- 1979-05-04 JP JP5414379A patent/JPS54149697A/ja active Granted
- 1979-05-04 YU YU1057/79A patent/YU41862B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PL215343A1 (sv) | 1980-02-11 |
SU1291033A3 (ru) | 1987-02-15 |
GB2020421A (en) | 1979-11-14 |
AU515642B2 (en) | 1981-04-16 |
ZA792076B (en) | 1980-06-25 |
GB2020421B (en) | 1982-09-22 |
YU105779A (en) | 1982-06-30 |
YU41862B (en) | 1988-02-29 |
ZM3779A1 (en) | 1979-11-21 |
FI781381A (fi) | 1979-11-05 |
FR2425066A1 (fr) | 1979-11-30 |
FI56904B (fi) | 1979-12-31 |
CA1131808A (en) | 1982-09-14 |
JPS54149697A (en) | 1979-11-24 |
JPS6149618B2 (sv) | 1986-10-30 |
DE2917473A1 (de) | 1979-11-08 |
SE440696B (sv) | 1985-08-12 |
FR2425066B1 (sv) | 1982-03-05 |
PL122043B1 (en) | 1982-06-30 |
DE2917473C2 (de) | 1983-11-03 |
AU4661479A (en) | 1979-11-08 |
US4278885A (en) | 1981-07-14 |
ES480742A1 (es) | 1979-12-01 |
SE7903869L (sv) | 1979-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI56904C (fi) | Anordning foer maetning av grundaemneshalterna hos ett material enligt infaongningsgammametoden | |
Anderson et al. | Facility for non-destructive analysis for major and trace elements using neutron-capture gamma-ray spectrometry | |
US4266132A (en) | Apparatus for controlling neutrons escaping from an elemental analyzer measuring gamma rays arising from neutron capture in bulk substances | |
US4028267A (en) | Method and apparatus for measuring the concentration of a component, for instance iron, in a material | |
US4499380A (en) | Apparatus and method for determining the hydrogen content of a substance | |
GB1409480A (en) | Neutron activation analysis system | |
US6603122B2 (en) | Probe for contamination detection in recyclable materials | |
JP4854116B2 (ja) | 放射性物質の解析プロセスおよび解析装置 | |
US3524062A (en) | Apparatus for measuring the moisture content and density of the soil | |
Rossbach | Multielement prompt. gamma. cold neutron activation analysis of organic matter | |
Riley et al. | An improved prompt gamma neutron activation analysis facility using a focused diffracted neutron beam | |
JP5022886B2 (ja) | 水分検出方法、水分検出装置及び配管検査装置 | |
CA1253634A (en) | Method and tool for neutron lifetime logging | |
Kerr et al. | Elemental concentrations in geochemical reference samples by neutron capture prompt gamma-ray spectroscopy | |
US2952775A (en) | Method and apparatus for the analytical determination of deuterium | |
Zuzel | Experience of gas purification and radon control in BOREXINO | |
Pouraghabagher et al. | Neutron capture gamma ray spectrometry for determination of sulfur in oil | |
Green | Transmission Measurement of the 252Cf Fission Neutron Spectrum | |
JP2002257996A (ja) | 中性子発生装置 | |
Zwittlinger | Neutron-capture gamma-ray activation analysis of refined steel | |
Najam et al. | In-beam neutron activation analysis of stainless steel and iron ore | |
JP2000056098A (ja) | 低エネルギー中性子照射装置 | |
Islam et al. | Sensitivity variation for H, B, Si, Cl, Ca and Cd in solid materials by prompt gamma-ray analysis with a special emphasis on the presence of hydrogen | |
Zaghloul et al. | Prompt gamma-ray neutron activation analysis facility testing by Sm, Gd and Mn determination in rock samples | |
Aycik et al. | Comparative studies for the determination of uranyl ion adsorption onto Interpenetrating Polymer Networks (IPNs) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: OUTOKUMPU OY |