CN107967954A - Horizontal neutron beam illuminating method, MNSR Reactor neutron therapy device and medical system - Google Patents
Horizontal neutron beam illuminating method, MNSR Reactor neutron therapy device and medical system Download PDFInfo
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- CN107967954A CN107967954A CN201711189009.1A CN201711189009A CN107967954A CN 107967954 A CN107967954 A CN 107967954A CN 201711189009 A CN201711189009 A CN 201711189009A CN 107967954 A CN107967954 A CN 107967954A
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- G21G4/02—Neutron sources
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- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
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- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
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- A—HUMAN NECESSITIES
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- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
- A61N2005/109—Neutrons
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Abstract
The invention discloses a kind of horizontal neutron beam illuminating method, MNSR Reactor neutron therapy device and medical system, it is related to the field of medical instrument technology, tumour positioned at deep layer can not be treated to solve the existing miniature nuclear reactor for neutron radiating device in hospital, or a seat minitype nuclear reactor only has the technical problem in a duct for being used for irradiation treatment deep tumor.MNSR Reactor neutron therapy device of the present invention, including：For producing the neutron streaming MNSR Reactor of high epithermal neutron flux, it includes：Reactor center, and surround the fuel slab area for being arranged on its surrounding, bottom beryllium reflector and top beryllium reflector；Reactor center is made of the fuel rod by triangular lattice or the arrangement of equidistant concentric circumferences, and fuel rod is made of zirconium cladding and the uranium dioxide core containing slightly enriched uranium；Fuel slab area is made of the multiple fuel slabs containing slightly enriched uranium arranged by regular polygon, and forms closed or open loop configuration.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of horizontal neutron beam illuminating method, miniature pile neutron
Therapeutic system and medical system.
Background technology
Existing neutron radiation therapy system be using proton precessional magnetometer irradiation target piece produce neutron as neutron source or
Using nuclear reactor as neutron source.From the center that neutron source projects, alignment patient's lesions position carries out radiotherapy.This germline
The defects of system is：Accelerator is usually linear accelerator, and floor space is excessive, and accelerator only has one outlet, can only be corresponded to
In an inspection chamber or therapeutic room.
To solve drawbacks described above, in the prior art, have using miniature nuclear reactor as neutron source, it has two irradiation
Duct, can be with the tumour of radiation treatment human body surface and shallow-layer, but the neutron flux of epithermal neutron is relatively low, can not treat and be located at
The tumour of deep layer；Also in the epithermal neutron beam with higher flux positioned at reactor core bottom, it has three exposure holes,
The exposure hole of reactor core bottom has higher epithermal neutron flux, can treat depth to the tumour of 7cm, but epithermal neutron
The raising of flux has had reached the limit, can not further improve, and uses such a arrangement, and a seat minitype nuclear reactor only has one
A duct for irradiation treatment deep tumor.
Therefore, how a kind of MNSR Reactor neutron therapy device, miniature for the neutron beam irradiation flux that can improve the standard is provided
The method of heap medical system and neutron beam of improving the standard irradiation flux, it has also become the skill of those skilled in the art's urgent need to resolve
Art problem.
The content of the invention
It is an object of the present invention to provide a kind of MNSR Reactor neutron therapy device, MNSR Reactor medical system, to solve
The existing miniature nuclear reactor for neutron radiating device in hospital can not treat the tumour positioned at deep layer, or a seat minitype nuclear reaction
Heap only has the technical problem in a duct for being used for irradiation treatment deep tumor.
The present invention provides a kind of MNSR Reactor neutron therapy device, including：Neutron streaming MNSR Reactor, the neutron streaming are miniature
Heap is used to produce high epithermal neutron flux；The neutron streaming MNSR Reactor includes：Reactor center, and surround and be arranged on institute
State the fuel slab area of reactor center surrounding, bottom beryllium reflector and top beryllium reflector；The reactor center by by
Triangular lattice or the fuel rod composition of equidistant concentric circumferences arrangement, dioxy of the fuel rod by zirconium cladding and containing slightly enriched uranium
Change uranium core to form；The fuel slab area is made of the multiple fuel slabs containing slightly enriched uranium arranged by regular polygon, and is formed
Closed or open loop configuration.
During practical application, the degree of enrichment of the slightly enriched uranium is less than 20%.
Wherein, the core of the fuel slab includes U-Al alloy either uranium zircaloy or uranium dioxide ceramics.
Alternatively, the core of the fuel rod includes uranium dioxide ceramics.
Specifically, the involucrum of the fuel rod includes zircaloy.
Alternatively, the involucrum of the fuel slab includes aluminium alloy or zircaloy.
Further, multiple fuel slabs in the fuel slab area include the circumferencial direction along the reactor center
Into closed ring set；Multiple fuel slabs include 6 to 16.
It is preferred that 8.
Further, the MNSR Reactor neutron therapy device further includes：Aluminum cylinder, the reactor center and described
Fuel slab area is arranged at the inside of the aluminum cylinder, full of deionized water as described anti-in the gap in the aluminum cylinder
Answer the cooling agent and moderator of heap.
Relative to the prior art, MNSR Reactor neutron therapy device of the present invention has the advantage that：
In MNSR Reactor neutron therapy device provided by the invention, including：Neutron streaming MNSR Reactor, the neutron streaming MNSR Reactor
For producing high epithermal neutron flux；Wherein, neutron streaming MNSR Reactor includes：Reactor center, and surround and be arranged on instead
The fuel slab area of Ying Dui centers surrounding, bottom beryllium reflector and top beryllium reflector；Specifically, reactor center is by by three
Angular grid or the fuel rod composition of equidistant concentric circumferences arrangement, fuel rod is by zirconium cladding and the uranium dioxide core containing slightly enriched uranium
Body is formed；Further, fuel slab area is made of the multiple fuel slabs containing slightly enriched uranium arranged by regular polygon, and is formed close
The loop configuration closed or opened.It is anti-due to reactor core from this analysis, in MNSR Reactor neutron therapy device provided by the invention
Neutron sink arranges that the fuel slab of reactor core periphery produces the neutron flux higher than reactor core, namely takes full advantage of antineutron trap to produce
The neutron streaming of the raw high epithermal neutron flux for radiation treatment, so that under conditions of core power is not improved, can
The epithermal neutron flux in irradiation channel is effectively improved, and then effectively solves the existing Micro Core for neutron radiating device in hospital
Reactor can not treat the tumour positioned at deep layer, or a seat minitype nuclear reactor only has one and is used for irradiation treatment deep tumor
The technical problem in duct.
The present invention also provides a kind of MNSR Reactor medical system, including：Such as above-mentioned any one of them MNSR Reactor neutron therapy
Device.
The MNSR Reactor medical system is with above-mentioned MNSR Reactor neutron therapy device relative to advantage possessed by the prior art
Identical, details are not described herein.
It is existing to solve it is another object of the present invention to provide a kind of method for neutron beam irradiation flux of improving the standard
The miniature nuclear reactor for neutron radiating device in hospital can not treat tumour positioned at deep layer, or a seat minitype nuclear reactor is only
There is the technical problem in a duct for being used for irradiation treatment deep tumor.
The present invention provides a kind of horizontal neutron beam illuminating method, includes the following steps：Cancel side beryllium ring, and in reactor
The outside of heart district is with regular polygon around the multiple fuel slabs of arrangement.
Relative to the prior art, horizontal neutron beam illuminating method of the present invention has the advantage that：
In horizontal neutron beam illuminating method provided by the invention, include the following steps：Cancel side beryllium ring, and in reactor
The outside of heart district is with regular polygon around the multiple fuel slabs of arrangement.From this analysis, horizontal neutron beam provided by the invention shines
In shooting method, since the antineutron trap of reactor core is arranged, the fuel slab of reactor core periphery produces the neutron flux higher than reactor core, Ye Jichong
Divide and make use of antineutron trap to produce the neutron streaming of the high epithermal neutron flux for radiation treatment, so as to not improve heap
Under conditions of core power, the epithermal neutron flux in irradiation channel can be effectively improved, and then is effectively solved existing for curing
The miniature nuclear reactor of institute's neutron exposure device can not treat the tumour positioned at deep layer, or a seat minitype nuclear reactor only has a use
Technical problem in the duct of irradiation treatment deep tumor.
Brief description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of MNSR Reactor neutron therapy device provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of another MNSR Reactor neutron therapy device provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram of horizontal neutron beam illuminating method provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of another MNSR Reactor neutron therapy device provided in an embodiment of the present invention；
Fig. 5 is the structure diagram of another MNSR Reactor neutron therapy device provided in an embodiment of the present invention；
Fig. 6 is the flow diagram of the horizontal neutron beam illuminating method of another kind provided in an embodiment of the present invention.
In figure：1- reactors center；2- sides beryllium reflector；3- fuel slabs；The plane that 21- is uniformly thinned；4- water
Gap；5- aluminum cylinders；30- fuel slabs area.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
Fig. 1 is a kind of structure diagram of MNSR Reactor neutron therapy device provided in an embodiment of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of MNSR Reactor neutron therapy device, including：Neutron streaming MNSR Reactor,
Neutron streaming MNSR Reactor is used to produce high epithermal neutron flux；Neutron streaming MNSR Reactor includes：Reactor center 1, Yi Jiyou
It is interior to be arranged on the side beryllium reflector 2 and fuel slab 3 of 1 surrounding of reactor center to surrounding successively outside, bottom beryllium reflector and top
Portion's beryllium reflector；Reactor center 1 by by triangular lattice or equidistant concentric circumferences arrangement fuel rod form, fuel rod by
Zirconium cladding and the uranium dioxide core composition containing slightly enriched uranium；The outside of the side beryllium ring of side beryllium reflector 2 uniformly subtracts with multiple
Thin plane 21, uniformly thinned fuel slab 3 of the outside of plane 21 arrangement containing slightly enriched uranium, and uniformly thinned plane 21 and combustion
Water gap 4 is equipped between flitch 3.
Relative to the prior art, the MNSR Reactor neutron therapy device described in the embodiment of the present invention has the advantage that：
In MNSR Reactor neutron therapy device provided in an embodiment of the present invention, as shown in Figure 1, including：Neutron streaming MNSR Reactor,
The neutron streaming MNSR Reactor is used to produce high epithermal neutron flux；Wherein, neutron streaming MNSR Reactor includes：Reactor center 1,
And surround the side beryllium reflector 2 and fuel slab 3 for being arranged on 1 surrounding of reactor center successively from the inside to the outside, the reflection of bottom beryllium
Layer and top beryllium reflector；Specifically, reactor center 1 by press triangular lattice or equidistant concentric circumferences arrangement fuel rod
Composition, fuel rod are made of zirconium cladding and the uranium dioxide core containing slightly enriched uranium；Further, the side beryllium of side beryllium reflector 2
The outside of ring has multiple planes 21 being uniformly thinned, uniformly thinned fuel slab 3 of the outside of plane 21 arrangement containing slightly enriched uranium,
And it is equipped with water gap 4 between the plane 21 and fuel slab 3 being uniformly thinned.It is from this analysis, provided in an embodiment of the present invention miniature
In pile neutron therapeutic system, since the antineutron trap of reactor core is arranged, the fuel slab of reactor core periphery produces the neutron higher than reactor core and leads to
Amount, namely antineutron trap is taken full advantage of to produce the neutron streaming of the high epithermal neutron flux for radiation treatment, so that
Under conditions of core power is not improved, the epithermal neutron flux in irradiation channel can be effectively improved, and then is effectively solved existing
Some can not treat the tumour positioned at deep layer, or a seat minitype nuclear reactor for the miniature nuclear reactor of neutron radiating device in hospital
The technical problem in only one duct for being used for irradiation treatment deep tumor.
During practical application, the degree of enrichment of above-mentioned slightly enriched uranium is less than 20%.Namely fuel rod by zirconium cladding and contains degree of enrichment
The uranium dioxide core of slightly enriched uranium less than 20% is formed；Also, uniformly the thinned outside of plane 21 arrangement is small containing degree of enrichment
In the fuel slab 3 of 20% slightly enriched uranium.
Wherein, the core of above-mentioned fuel slab 3 can include U-Al alloy；Or, the core of fuel slab 3 can include titanium dioxide
Uranium ceramics；Or, the core of fuel slab 3 can include uranium zircaloy.
Specifically, the core of above-mentioned fuel rod can include uranium dioxide ceramics；The involucrum of fuel rod can include zirconium and close
Gold.
Specifically, the involucrum of above-mentioned fuel slab 3 can include zircaloy；Or, the involucrum of fuel slab 3 can include aluminium and close
Gold.
Further, for reasonable layout, as shown in Figure 1, circumference of the above-mentioned multiple fuel slabs 3 along reactor center 1
Direction is uniformly distributed, and the multiple fuel slab 3 can include four to eight, preferably four.
In addition, multiple fuel slabs 3 of closed ring set can be gap distribution, or non-gap tight distribution.
Fig. 2 is the structure diagram of another MNSR Reactor neutron therapy device provided in an embodiment of the present invention.
Further, as shown in Fig. 2, MNSR Reactor neutron therapy device provided in an embodiment of the present invention can also include：
Aluminum cylinder 5, reactor center 1, side beryllium reflector 2 and fuel slab 3 are arranged at the inside of the aluminum cylinder 5, in the aluminum barrel
Cooling agent and moderator of the deionized water as the reactor are full of in the gap of the inside of body 5.
The embodiment of the present invention also provides a kind of MNSR Reactor medical system, including：As in above-mentioned any one of them MNSR Reactor
Sub- therapeutic system.
Fig. 3 is the flow diagram of horizontal neutron beam illuminating method provided in an embodiment of the present invention.
The embodiment of the present invention provides a kind of horizontal neutron beam illuminating method again, as shown in Fig. 1 combinations Fig. 3, including following step
Suddenly：Step S1, plane is thinned into the outside of the side beryllium ring of side beryllium reflector 2；Step S2, combustion is arranged in thinned planar outboard
Flitch 3.
Relative to the prior art, the horizontal neutron beam illuminating method described in the embodiment of the present invention has the advantage that：
As shown in Fig. 1 combinations Fig. 3, in horizontal neutron beam illuminating method provided in an embodiment of the present invention, include the following steps：
Step S1, plane is thinned into the outside of the side beryllium ring of side beryllium reflector 2；Step S2, in thinned planar outboard fuel arranged
Plate 3.From this analysis, in horizontal neutron beam illuminating method provided in an embodiment of the present invention, due to the antineutron trap cloth of reactor core
Put, the fuel slab of reactor core periphery produces the neutron flux higher than reactor core, namely takes full advantage of antineutron trap to produce for spoke
According to the neutron streaming of the high epithermal neutron flux for the treatment of, so that under conditions of core power is not improved, can effectively improve
Epithermal neutron flux in irradiation channel, so effectively solve the existing miniature nuclear reactor for neutron radiating device in hospital without
Method treatment is located at the tumour of deep layer, or a seat minitype nuclear reactor only has the skill in a duct for being used for irradiation treatment deep tumor
Art problem.
Fig. 4 is the structure diagram of another MNSR Reactor neutron therapy device provided in an embodiment of the present invention.
As shown in figure 4, the embodiment of the present invention provides a kind of MNSR Reactor neutron therapy device again, including：Neutron streaming is miniature
Heap, neutron streaming MNSR Reactor are used to produce high epithermal neutron flux；Neutron streaming MNSR Reactor includes：Reactor center 1, and
Surround the fuel slab area 30 for being arranged on 1 surrounding of reactor center；Reactor center 1 is by pressing triangular lattice or equidistant concentric
The fuel rod composition of circumferential arrangement, fuel rod are made of zirconium cladding and the uranium dioxide core containing slightly enriched uranium；Fuel slab area 30
It is made of the multiple fuel slabs 3 containing slightly enriched uranium arranged by regular polygon, and forms closed or open loop configuration.
Relative to the prior art, the MNSR Reactor neutron therapy device described in the embodiment of the present invention has the advantage that：
In MNSR Reactor neutron therapy device provided in an embodiment of the present invention, as shown in figure 4, including：Neutron streaming MNSR Reactor,
The neutron streaming MNSR Reactor is used to produce high epithermal neutron flux；Wherein, neutron streaming MNSR Reactor includes：Reactor center 1,
And surround the fuel slab area 30 for being arranged on 1 surrounding of reactor center；Specifically, reactor center 1 is by by triangle grid
Lattice or the fuel rod composition of equidistant concentric circumferences arrangement, uranium dioxide core structure of the fuel rod by zirconium cladding and containing slightly enriched uranium
Into；Further, fuel slab area 30 is made of the multiple fuel slabs 3 containing slightly enriched uranium arranged by regular polygon, and is formed close
The loop configuration closed or opened.From this analysis, in MNSR Reactor neutron therapy device provided in an embodiment of the present invention, due to heap
The antineutron trap arrangement of core, the fuel slab of reactor core periphery produces the neutron flux higher than reactor core, namely takes full advantage of antineutron
Trap produces the neutron streaming of the high epithermal neutron flux for radiation treatment, so as to not improve the condition of core power
Under, the epithermal neutron flux in irradiation channel can be effectively improved, and then effectively solve existing to be used for neutron radiating device in hospital
Miniature nuclear reactor can not treat tumour positioned at deep layer, or a seat minitype nuclear reactor only has one to be used for irradiation treatment deep
The technical problem in the duct of layer tumour.
During practical application, the degree of enrichment of above-mentioned slightly enriched uranium is less than 20%.Namely fuel rod by zirconium cladding and contains degree of enrichment
The uranium dioxide core of slightly enriched uranium less than 20% is formed；Also, fuel slab area 30 is less than 20% by multiple containing degree of enrichment
The fuel slab 3 of slightly enriched uranium is formed.
Wherein, the core of above-mentioned fuel slab 3 can include U-Al alloy；Or, the core of fuel slab 3 can include uranium zirconium and close
Gold, or the core of fuel slab 3 can include uranium dioxide ceramics.
Specifically, the involucrum of above-mentioned fuel slab 3 can include zircaloy；Or, the involucrum of fuel slab 3 can include aluminium and close
Gold.
Further, for reasonable layout, as shown in figure 4, multiple fuel slabs 3 in above-mentioned fuel slab area 30 can include
Eight, and eight fuel slabs 3 are along the circumferencial direction of reactor center 1 into closed ring set.
Fig. 5 is the structure diagram of another MNSR Reactor neutron therapy device provided in an embodiment of the present invention.
Further, as shown in figure 5, MNSR Reactor neutron therapy device provided in an embodiment of the present invention can also include：
Aluminum cylinder 5, reactor center 1 and fuel slab area 30 are arranged at the inside of the aluminum cylinder 5, inside the aluminum cylinder 5
Deionized water is full of in gap, cooling agent and moderator as the reactor.
The embodiment of the present invention also provides a kind of MNSR Reactor medical system, including：As in above-mentioned any one of them MNSR Reactor
Sub- therapeutic system.
Fig. 6 is the flow diagram of the horizontal neutron beam illuminating method of another kind provided in an embodiment of the present invention.
The embodiment of the present invention provides a kind of horizontal neutron beam illuminating method again, as shown in Fig. 4 combinations Fig. 6, including following step
Suddenly：Step S10, cancel side beryllium ring, and surround in the outside of reactor center 1 with regular polygon and arrange multiple fuel slabs 3.
Relative to the prior art, the horizontal neutron beam illuminating method described in the embodiment of the present invention has the advantage that：
As shown in Fig. 4 combinations Fig. 6, in horizontal neutron beam illuminating method provided in an embodiment of the present invention, include the following steps：
Step S10, cancel side beryllium ring, and surround in the outside of reactor center 1 with regular polygon and arrange multiple fuel slabs 3.Thus
Analysis is understood, in horizontal neutron beam illuminating method provided in an embodiment of the present invention, since the antineutron trap of reactor core is arranged, outside reactor core
The fuel slab enclosed produces the neutron flux higher than reactor core, namely takes full advantage of antineutron trap to produce for radiation treatment
The neutron streaming of high epithermal neutron flux, so that under conditions of core power is not improved, can effectively improve in irradiation channel
Epithermal neutron flux, and then effectively solve the existing miniature nuclear reactor for neutron radiating device in hospital and can not treat to be located at
The tumour of deep layer, or a seat minitype nuclear reactor only have the technical problem in a duct for being used for irradiation treatment deep tumor.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (10)
- A kind of 1. MNSR Reactor neutron therapy device, it is characterised in that including：Neutron streaming MNSR Reactor, the neutron streaming are miniature Heap is used to produce high epithermal neutron flux；The neutron streaming MNSR Reactor includes：Reactor center, and surround and be arranged on institute State the fuel slab area of reactor center surrounding, bottom beryllium reflector and top beryllium reflector；The reactor center by by triangular lattice or equidistant concentric circumferences arrangement fuel rod form, the fuel rod by Zirconium cladding and the uranium dioxide core composition containing slightly enriched uranium；The fuel slab area is made of the multiple fuel slabs containing slightly enriched uranium arranged by regular polygon, and is formed closed or open Loop configuration.
- 2. MNSR Reactor neutron therapy device according to claim 1, it is characterised in that the degree of enrichment of the slightly enriched uranium is less than 20%.
- 3. MNSR Reactor neutron therapy device according to claim 1 or 2, it is characterised in that the core bag of the fuel slab U-Al alloy is included, either uranium zircaloy or uranium dioxide ceramics.
- 4. MNSR Reactor neutron therapy device according to claim 1 or 2, it is characterised in that the core bag of the fuel rod Include uranium dioxide ceramics.
- 5. MNSR Reactor neutron therapy device according to claim 1 or 2, it is characterised in that the involucrum bag of the fuel rod Include zircaloy.
- 6. MNSR Reactor neutron therapy device according to claim 1 or 2, it is characterised in that the involucrum bag of the fuel slab Include aluminium alloy or zircaloy.
- 7. MNSR Reactor neutron therapy device according to claim 1, it is characterised in that the fuel slab area it is multiple described Fuel slab is along the circumferencial direction of the reactor center into closed ring set；Multiple fuel slabs include 6 to 16.
- 8. the MNSR Reactor neutron therapy device according to claim 1 or 7, it is characterised in that further include：Aluminum cylinder, it is described Reactor center and the fuel slab area are arranged at the inside of the aluminum cylinder, are full of in the gap in the aluminum cylinder Cooling agent and moderator of the deionized water as the reactor.
- A kind of 9. MNSR Reactor medical system, it is characterised in that including：It is miniature as any one of the claims 1-8 Pile neutron therapeutic system.
- 10. a kind of horizontal neutron beam illuminating method, it is characterised in that include the following steps：Cancel side beryllium ring, and surround in the outside of reactor center with regular polygon and arrange multiple fuel slabs.
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| KR20010095996A (en) * | 2000-04-14 | 2001-11-07 | 윤덕용 | Plate Type Fuel Based - Low Power Medical Reactor for Boron Neutron Capture Therapy |
| CN101447238A (en) * | 2007-11-27 | 2009-06-03 | 中国核动力研究设计院 | Nuclear reactor core capable of improving neutron flux rate |
| CN103514970A (en) * | 2012-06-15 | 2014-01-15 | 北京凯佰特科技有限公司 | Reactor core component of neutron source device of hospital neutron irradiator-I |
| CN204596440U (en) * | 2015-04-03 | 2015-08-26 | 中国中原对外工程有限公司 | Improve the reactor core assembly that vertical epithermal neutron beam irradiates flux |
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