CA2138503C - Methode et appareil servant a classer des matieres particulaires - Google Patents
Methode et appareil servant a classer des matieres particulaires Download PDFInfo
- Publication number
- CA2138503C CA2138503C CA002138503A CA2138503A CA2138503C CA 2138503 C CA2138503 C CA 2138503C CA 002138503 A CA002138503 A CA 002138503A CA 2138503 A CA2138503 A CA 2138503A CA 2138503 C CA2138503 C CA 2138503C
- Authority
- CA
- Canada
- Prior art keywords
- particle
- energy level
- diamond
- particles
- neutron beam
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000013618 particulate matter Substances 0.000 title description 2
- 239000002245 particle Substances 0.000 claims abstract description 113
- 239000010432 diamond Substances 0.000 claims abstract description 46
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000001678 irradiating effect Effects 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 claims description 6
- 229910052790 beryllium Inorganic materials 0.000 claims description 6
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 229910052722 tritium Inorganic materials 0.000 claims description 6
- 239000000126 substance Substances 0.000 abstract description 12
- 238000004458 analytical method Methods 0.000 abstract description 4
- 238000000411 transmission spectrum Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-IGMARMGPSA-N Carbon-12 Chemical compound [12C] OKTJSMMVPCPJKN-IGMARMGPSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 3
- 229910052805 deuterium Inorganic materials 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000013077 target material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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
- G01N23/02—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 transmitting the radiation through the material
- G01N23/04—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 transmitting the radiation through the material and forming images of the material
- G01N23/05—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 transmitting the radiation through the material and forming images of the material using neutrons
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)
- Particle Accelerators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA93/9617 | 1993-12-22 | ||
| ZA939617 | 1993-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2138503A1 CA2138503A1 (fr) | 1995-06-23 |
| CA2138503C true CA2138503C (fr) | 2004-10-12 |
Family
ID=25583548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002138503A Expired - Fee Related CA2138503C (fr) | 1993-12-22 | 1994-12-19 | Methode et appareil servant a classer des matieres particulaires |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU680962B2 (fr) |
| CA (1) | CA2138503C (fr) |
| GB (1) | GB2285127B (fr) |
| RU (1) | RU2141109C1 (fr) |
| ZA (1) | ZA9410192B (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2198990C (fr) * | 1996-03-04 | 2007-06-05 | Ulf Anders Staffan Tapper | Detection de diamants |
| EP0897534A4 (fr) * | 1996-04-30 | 2002-11-06 | Univ Columbia | Dispositif de detection d'une substance ayant recours aux neutrons monoenergetiques |
| US6693281B2 (en) | 2001-05-02 | 2004-02-17 | Massachusetts Institute Of Technology | Fast neutron resonance radiography for elemental mapping |
| CA2501051A1 (fr) * | 2002-10-11 | 2004-04-22 | Force Technology | Systeme et procede de triage automatique d'objets |
| AU2005220403B2 (en) * | 2004-03-12 | 2010-12-09 | Sellschop, Susan Marietta | Detection of diamonds |
| RU2521723C1 (ru) * | 2013-03-01 | 2014-07-10 | Общество с ограниченной ответственностью "Нейтронные технологии" | Способ и устройство для обнаружения алмазов в кимберлите |
| RU2612734C2 (ru) * | 2015-08-18 | 2017-03-13 | Общество с ограниченной ответственностью "Диамант" | Установка для сухого обогащения кимберлитовой руды методом меченых нейтронов |
| CN110308169A (zh) * | 2019-08-09 | 2019-10-08 | 山东大学 | 一种tbm渣片射线背散射实时扫描成像装置及方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT260584B (de) * | 1963-12-02 | 1968-03-11 | Veitscher Magnesitwerke Ag | Verfahren und Einrichtung zum Prüfen von mit Kohlenwasserstoffen versetzten feuerfesten Formkörpern |
| IL63529A (en) * | 1981-08-07 | 1985-03-31 | Univ Ben Gurion | Fast neutron radiography system |
| SU1363038A1 (ru) * | 1986-02-21 | 1987-12-30 | Объединенный Институт Ядерных Исследований | Способ нейтронографической дефектоскопии |
| GB8618407D0 (en) * | 1986-07-29 | 1986-09-03 | Atomic Energy Authority Uk | Flint-in-chalk sorting |
| AU1150992A (en) * | 1990-12-31 | 1992-08-17 | General Research Corporation | Contraband detection apparatus and method |
-
1994
- 1994-12-19 CA CA002138503A patent/CA2138503C/fr not_active Expired - Fee Related
- 1994-12-21 AU AU81634/94A patent/AU680962B2/en not_active Ceased
- 1994-12-21 RU RU94044530A patent/RU2141109C1/ru not_active IP Right Cessation
- 1994-12-21 GB GB9426049A patent/GB2285127B/en not_active Expired - Fee Related
- 1994-12-21 ZA ZA9410192A patent/ZA9410192B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2285127A (en) | 1995-06-28 |
| GB9426049D0 (en) | 1995-02-22 |
| GB2285127B (en) | 1997-07-23 |
| CA2138503A1 (fr) | 1995-06-23 |
| RU94044530A (ru) | 1996-10-20 |
| RU2141109C1 (ru) | 1999-11-10 |
| ZA9410192B (en) | 1995-09-08 |
| AU8163494A (en) | 1995-06-29 |
| AU680962B2 (en) | 1997-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20131219 |