WO2005028590A1 - Scintillateur de verre - Google Patents

Scintillateur de verre Download PDF

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Publication number
WO2005028590A1
WO2005028590A1 PCT/JP2004/010223 JP2004010223W WO2005028590A1 WO 2005028590 A1 WO2005028590 A1 WO 2005028590A1 JP 2004010223 W JP2004010223 W JP 2004010223W WO 2005028590 A1 WO2005028590 A1 WO 2005028590A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
rare earth
group
rays
scintillator
Prior art date
Application number
PCT/JP2004/010223
Other languages
English (en)
Japanese (ja)
Inventor
Yasuhiro Yagi
Kenzou Susa
Original Assignee
Hitachi Chemical Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Chemical Co., Ltd. filed Critical Hitachi Chemical Co., Ltd.
Priority to JP2005514001A priority Critical patent/JP4640176B2/ja
Publication of WO2005028590A1 publication Critical patent/WO2005028590A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/779—Halogenides
    • C09K11/7791—Halogenides with alkali or alkaline earth metals
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/06—Glass compositions containing silica with more than 90% silica by weight, e.g. quartz
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7715—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing cerium
    • C09K11/7719—Halogenides
    • C09K11/772—Halogenides with alkali or alkaline earth metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7743—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing terbium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7772—Halogenides
    • C09K11/7773—Halogenides with alkali or alkaline earth metal

Definitions

  • the present invention relates to a glass scintillator used for a radiation detector or the like.
  • Patent Document 1 As a fiber-shaped scintillator, as disclosed in Patent Document 1, use of an optical fiber scintillator in which a fluorescent substance is added to a core can be considered.
  • Patent Document 2 discloses that a glass scintillator is manufactured by using an inorganic glass as a matrix material and adding a rare earth element thereto.
  • Patent Document 3 also proposes a glass scintillator using an inorganic glass as a matrix.
  • Patent Document 4 focusing on the glass-like phosphor, discloses a luminescent glass for improving the strength of glass as a matrix component.
  • Patent Document 5 discloses a casket of a rare earth element added to silica glass.
  • Patent Document 1 UK Patent Application Publication No. 2253070
  • Patent Document 2 Japanese Patent Application Laid-Open No. 9-188543
  • Patent Document 3 Japanese Patent Application Laid-Open No. 9-145845
  • Patent Document 4 JP-A-2000-86283
  • Patent Document 5 Japanese Patent Application Laid-Open No. 2001-282153
  • Patent Document 1 the core material of the optical fiber and The plastics used for the measurement are actually used for radiation measurement by measuring the etch pits, so that there is a problem that they are left scratched when exposed to radiation.
  • Patent Document 2 the material used for the glass scintillator is a halogen glass, and not only is the raw material expensive, but also the danger to the human body during the production must be considered.
  • the improvement in Patent Document 4 is a means for improving laser resistance, and it is considered that the guidelines are different from the means for improving radiation resistance.
  • Patent Document 5 practically, only one kind of rare earth element is added to glass, and therefore, the wavelength region of a photon that can be detected is limited to 100 to 400 nm.
  • the present invention provides a glass scintillator that achieves various problems in the prior art, that is, both a sufficiently excellent radiation resistance and a calorie property, and that can sufficiently efficiently detect photons having a wavelength of less than 100 nm. .
  • the present inventors have studied to solve the above-mentioned problems, and have found that the glass scintillator contains two or more rare earth elements in silica glass or silicate glass to efficiently reduce the scintillation effect. I found it to happen. This has revealed that the glass scintillator can effectively detect short wavelength photons, that is, ionizing radiation such as X-rays and ⁇ -rays. Further, they have found that such a glass scintillator also satisfies the workability, and have led to the invention of a glass scintillator that can solve the above-mentioned problems.
  • a first embodiment of the present invention comprises a glass component having silica or silicate as a matrix, a rare earth element, and a glass modifying component, wherein the rare earth element is selected from Y, La, Gd, and Lu. And one or more elements selected from the group consisting of Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm and Yb,
  • the glass modifying component contains one or more elements selected from the group consisting of Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba, B and Al forces, and is irradiated with photons having a wavelength of less than 100 nm. Then, it is a glass scintillator that emits light in an ultraviolet light region, a visible light region, or an infrared light region.
  • Y, La, Gd, and Lu play a role as a base material element
  • Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb are activators. It plays a role as an element.
  • this glass scintillator Energy transfer from the material element to the activator element is performed efficiently. Therefore, when X-rays, ⁇ -rays, etc. hit (irradiate) the glass scintillator, fluorescence is obtained sufficiently efficiently, and it becomes possible to detect ionizing radiation with excellent sensitivity.
  • the glass scintillator of the present invention was effective not only for detecting photons, but also for detecting rays, / rays or neutron rays.
  • a second embodiment of the present invention contains a glass component containing silica or silicate as a matrix, a rare earth element and a glass modifying component, wherein the rare earth element is selected from Y, La, Gd and Lu. And one or more elements selected from the group consisting of Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm and Yb,
  • the glass-modifying component includes one or more elements selected from the group consisting of Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba, B, and Al forces. It is a glass scintillator that emits light in the ultraviolet, visible, or infrared regions when irradiated with + rays, electron beams, positron beams, charged particle beams, or neutron beams.
  • the glass scintillator of the present invention is preferred because Gd is used as a base material element among the rare earth elements because radiation resistance is improved.
  • a third embodiment of the present invention comprises a glass component having a matrix of silica or silicate, a rare earth element, and a glass modifying component, wherein the rare earth element is Ce, Pr, Nd, S m , Eu, Tb, Dy, Ho, Er, Tm, and at least one element selected from the group consisting of Yb and Gd, and the glass modifying component includes Li, Na, K, Rb, Cs, It contains one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, B and Al, and when irradiated with X-rays, ⁇ -rays, ⁇ -rays, electron beams or thermal neutrons, it emits ultraviolet light. Is a glass scintillator that emits light in the visible light region or the infrared light region.
  • a more preferable activator is Ce, Tb, or Eu.
  • a fourth embodiment of the present invention includes a glass component having a matrix of silica or silicate, a rare earth element, and a glass modifying component, and the rare earth element is a group consisting of Ce, Eu, and Tb.
  • the rare earth element is a group consisting of Ce, Eu, and Tb.
  • One or more elements selected from the group consisting of Gd and the above glass modifying component is selected from the group consisting of Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba, B and Al
  • One or more A glass scintillator that contains elements and emits light in the ultraviolet or visible light range when irradiated with X-rays, ⁇ -rays, ⁇ -rays, electron beams, or thermal neutrons.
  • the shape is not particularly limited, but it is preferably processed into a fiber shape.
  • the present invention is preferably any one of the above glass scintillators obtained by processing into a fiber shape.
  • the glass scintillator of the present invention is a scintillator having both workability and radiation resistance, and can be used for efficiently detecting ionizing radiation such as ⁇ -rays, X-rays, and neutron rays.
  • FIG. 1 is a partial schematic perspective view of a glass scintillator of the present invention obtained by processing into a fiber shape.
  • the glass scintillator of the present invention can be produced by mixing the rare earth component, the silica component, and the glass modifying component to obtain a mixture, and heating the mixture.
  • the chemical forms of the rare earth component, the silica component, and the glass modifying component to be mixed are not particularly limited as long as they contain the above-mentioned elements or compounds, or can be a source of the above-mentioned elements or a raw material of the compounds.
  • an oxide or a nitrate may be used as a raw material of the rare earth component.
  • SiO, silicate as raw material of silica component
  • Sodium hydroxide, sodium oxide, boric acid, or the like may be used as a glass modifying component. After the mixture is heated, it is cooled once, melted by heating again, and then or simultaneously processed into an arbitrary shape such as a fiber. Also, by preparing a mold in advance, it is possible to finish it to the desired shape with one heating. it can.
  • the composition ratio when the raw materials are mixed is preferably the ratio of the rare earth component and the silica component within the range described below.
  • the quotient (LZS) is Preferably it is less than 1. This means that when (L / S) becomes 1 or more, LnSi ⁇ or LnSiO (Ln is a rare earth element in general), which is a crystal component, is generated.
  • the ratio between the base material element such as gadolinium (Gd) and the activator element such as cerium is preferably in the range described below.
  • the quotient (CZG) is 0 (C / G) ⁇ (50/50) It is more preferable that (C / G) ⁇ (20/80).
  • the value of (C / G) is particularly preferred, and there is a value (optimum value) .
  • a value (optimum value) if gadolinium is selected as the base material element and cerium is selected as the activator element, It is particularly preferable that (8/92) ⁇ (C / G) ⁇ (12/88).
  • the force S which is the type and amount of the glass modifying component, is preferably as described below. It is preferable to add an alkali metal such as Na to the glass scintillator because the workability of the glass scintillator can be improved.
  • the number of sodium atoms is N [mol]
  • the total amount of rare earth atoms and silicon atoms is (L + S) [mol]
  • the quotient ⁇ N / (L + S) ⁇ is preferably in the range of (10/245) ⁇ ⁇ (N / (L + S) ⁇ ⁇ (200/245), more preferably (80/245) ⁇ ⁇ N / (L + S) ⁇ ⁇ (100/245) B may be used in place of Na, or Na and B may be added at the same time. When added, foaming suppression effect appears, so it is more preferable.
  • the shape of the glass scintillator of the present invention obtained as described above.
  • Use of the glass scintillator in a rectangular parallelepiped shape, a cylindrical shape, a flat plate shape, a fiber shape, or the like can be mentioned. Among them, if it is a fiber shape as shown by reference numeral 100 in Fig. 1, the mobility for fine adjustment of the measurement point Is preferred.
  • the glass scintillator of the present embodiment can be used, for example, in a radiation detection device, a radiation spectrum measurement device, a positron emission nuclide tomographic imaging device, and the like.
  • the numbers of atoms of Gd, Ce, and Si were 10.8 mmol, 1.2 mmol, and 233 mmol, respectively.
  • the obtained mixture was placed in a crucible, and 3.87 g of NaOH (97 mmol of Na atoms) and 3 mg of carbon powder were further added to the crucible, and the crucible was heated at 1500 ° C for 24 hours.
  • the resulting sample was visually observed after cooling, and was found to be transparent and free of visible air bubbles.
  • a part of the sample was taken out and reheated using a gas parner, which melted and facilitated fiber processing. That is, it was confirmed that the glass scintillator of this example can be processed into various shapes by heating and melting.
  • the mixture was obtained.
  • the obtained mixture was placed in a crucible, and 3.87 g of Na ⁇ H and 3 mg of carbon powder were further added to the crucible, and the crucible was heated at 1500 ° C. for 24 hours.
  • the resulting sample was visually observed after cooling, and was found to be transparent and free of visible air bubbles.
  • a part of the sample was pulverized and irradiated with Cu ⁇ -rays, that is, X-rays
  • green light emission from the sample was confirmed even from a position lm away from the sample.
  • the emission was measured by X-ray irradiation.
  • a plurality of sharp, upwardly convex curves (peaks) were obtained, showing the highest intensity. This was the peak showing the peak at around 540 nm.
  • the mixture was obtained.
  • the obtained mixture was placed in a crucible, and 3.87 g of Na ⁇ H and 3 mg of carbon powder were further added to the crucible, and the crucible was heated at 1500 ° C. for 24 hours.
  • the resulting sample was visually observed after cooling, and was found to be transparent and free of visible air bubbles.
  • a part of the sample was pulverized and irradiated with Cu K-rays, that is, X-rays
  • red light emission from the sample was confirmed even from a position lm away from the sample.
  • the emission was measured by X-ray irradiation.
  • a plurality of sharp, upwardly convex curves (peaks) were obtained, showing the highest intensity. This was the peak showing the peak at around 620 nm.
  • CeO and SiO were each weighed in 2 g and 14.00 g and mixed in a mortar to obtain a mixture.
  • the obtained mixture was placed in a crucible, and 3.87 g of NaOH and 3 mg of carbon powder were further added to the crucible, and the crucible was heated at 1500 ° C for 24 hours.
  • the resulting sample was visually observed after cooling, and was found to be transparent and free of visible air bubbles.
  • a part of the sample was crushed and irradiated with Cu K-line, that is, X-ray, it was not confirmed that the sample emitted light from a position lm away from the sample. Under these conditions, a camera was installed at a position 5 cm away from the sample, and a blue emission from the sample was barely confirmed. Further, a part of the sample was processed into a cube of approximately 10 mm square, and the possibility of radiation measurement was examined using the X- ray source used in Example 1. It was judged.
  • the glass scintillator of the present invention can be used for, for example, a radiation detection device, a radiation spectrum measuring device, a positron emission nuclide tomographic imaging device, and the like.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Luminescent Compositions (AREA)
  • Glass Compositions (AREA)

Abstract

L'invention concerne un scintillateur de verre comprenant un composant de verre comportant de la silice ou un silicate utilisés comme matrice, un élément des terres rares et un composant modifiant le verre. L'élément des terres rares comprend un ou plusieurs éléments sélectionnés parmi le groupe constitué de Y, La, Gd et Lu et un ou plusieurs éléments sélectionnés parmi le groupe constitué de Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm et Yb, le composant modifiant le verre comprend un ou plusieurs éléments sélectionnés parmi le groupe constitué de Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba, B et Al, et il émet un éclairage lumineux ultraviolet, un éclairage visible ou infrarouge, lorsqu'il est irradié par un photon présentant une longueur d'onde inférieure à 100nm.
PCT/JP2004/010223 2003-09-24 2004-07-16 Scintillateur de verre WO2005028590A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005514001A JP4640176B2 (ja) 2003-09-24 2004-07-16 ガラスシンチレータ

Applications Claiming Priority (2)

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JP2003332171 2003-09-24
JP2003-332171 2003-09-24

Publications (1)

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WO2005028590A1 true WO2005028590A1 (fr) 2005-03-31

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WO (1) WO2005028590A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008062797A1 (fr) * 2006-11-21 2008-05-29 National Institute Of Advanced Industrial Science And Technology Substance fluorescente pour une excitation ultraviolette sous vide
JP2010018460A (ja) * 2008-07-09 2010-01-28 National Institute Of Advanced Industrial & Technology 赤色蛍光ガラス
CN102424522A (zh) * 2011-09-13 2012-04-25 徐传龙 大口径激光石英棒及其制备方法
US8617422B2 (en) * 2008-09-26 2013-12-31 Siemens Medical Solutions Usa, Inc. Use of codoping to modify the scintillation properties of inorganic scintillators doped with trivalent activators
JP2016125880A (ja) * 2014-12-26 2016-07-11 国立大学法人 東京大学 放射線計測システム及び光学系
WO2017038378A1 (fr) * 2015-09-03 2017-03-09 株式会社日立製作所 Composition de verre, matériau d'absorption de neutrons la comprenant, procédé de fabrication d'un carburant fondu, procédé de retrait d'un carburant fondu, et procédé d'arrêt d'un réacteur nucléaire
JP2021525639A (ja) * 2018-06-08 2021-09-27 ケイエイ イメージング インコーポレイテッド マルチエネルギｘ線撮影装置の仮想出力を決定するための方法およびシステム
CN115572064A (zh) * 2022-10-17 2023-01-06 闽都创新实验室 一种镥基氟氧闪烁玻璃及其制备方法和应用

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593040A (ja) * 1982-06-16 1984-01-09 シヨツト・グラスヴエルケ シンチレ−シヨン・ガラス
JPH0940440A (ja) * 1995-07-25 1997-02-10 Nikon Corp シンチレーターガラス
JPH09188543A (ja) * 1995-12-30 1997-07-22 Kagaku Gijutsu Shinko Jigyodan Ｅｕ２＋含有青色発光ガラス
JP2003082346A (ja) * 2001-09-13 2003-03-19 Hitachi Chem Co Ltd 蛍光体組成物

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003227263A1 (en) * 2002-03-28 2003-10-13 Hitachi Chemical Co., Ltd. Phosphor and phosphor composition containing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593040A (ja) * 1982-06-16 1984-01-09 シヨツト・グラスヴエルケ シンチレ−シヨン・ガラス
JPH0940440A (ja) * 1995-07-25 1997-02-10 Nikon Corp シンチレーターガラス
JPH09188543A (ja) * 1995-12-30 1997-07-22 Kagaku Gijutsu Shinko Jigyodan Ｅｕ２＋含有青色発光ガラス
JP2003082346A (ja) * 2001-09-13 2003-03-19 Hitachi Chem Co Ltd 蛍光体組成物

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008062797A1 (fr) * 2006-11-21 2008-05-29 National Institute Of Advanced Industrial Science And Technology Substance fluorescente pour une excitation ultraviolette sous vide
JP2010018460A (ja) * 2008-07-09 2010-01-28 National Institute Of Advanced Industrial & Technology 赤色蛍光ガラス
US8617422B2 (en) * 2008-09-26 2013-12-31 Siemens Medical Solutions Usa, Inc. Use of codoping to modify the scintillation properties of inorganic scintillators doped with trivalent activators
CN102424522A (zh) * 2011-09-13 2012-04-25 徐传龙 大口径激光石英棒及其制备方法
JP2016125880A (ja) * 2014-12-26 2016-07-11 国立大学法人 東京大学 放射線計測システム及び光学系
WO2017038378A1 (fr) * 2015-09-03 2017-03-09 株式会社日立製作所 Composition de verre, matériau d'absorption de neutrons la comprenant, procédé de fabrication d'un carburant fondu, procédé de retrait d'un carburant fondu, et procédé d'arrêt d'un réacteur nucléaire
JPWO2017038378A1 (ja) * 2015-09-03 2018-03-29 株式会社日立製作所 ガラス組成物及びそれを用いた中性子吸収材料、溶融燃料の管理方法、溶融燃料の取り出し方法及び原子炉の停止方法
CN107922246A (zh) * 2015-09-03 2018-04-17 株式会社日立制作所 玻璃组合物和使用该玻璃组合物的中子吸收材料、熔融燃料的管理方法、熔融燃料的取出方法以及反应堆的停止方法
JP2021525639A (ja) * 2018-06-08 2021-09-27 ケイエイ イメージング インコーポレイテッド マルチエネルギｘ線撮影装置の仮想出力を決定するための方法およびシステム
CN115572064A (zh) * 2022-10-17 2023-01-06 闽都创新实验室 一种镥基氟氧闪烁玻璃及其制备方法和应用
CN115572064B (zh) * 2022-10-17 2023-12-05 闽都创新实验室 一种镥基氟氧闪烁玻璃及其制备方法和应用

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JP4640176B2 (ja) 2011-03-02

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