CN107949146A - Intelligent radiation protecting systems - Google Patents
Intelligent radiation protecting systems Download PDFInfo
- Publication number
- CN107949146A CN107949146A CN201711401736.XA CN201711401736A CN107949146A CN 107949146 A CN107949146 A CN 107949146A CN 201711401736 A CN201711401736 A CN 201711401736A CN 107949146 A CN107949146 A CN 107949146A
- Authority
- CN
- China
- Prior art keywords
- neutron
- howitzer
- concentration
- power supply
- target
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H3/00—Production or acceleration of neutral particle beams, e.g. molecular or atomic beams
- H05H3/06—Generating neutron beams
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
- G21G4/00—Radioactive sources
- G21G4/02—Neutron sources
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Measurement Of Radiation (AREA)
Abstract
The present invention relates to a kind of intelligent neutron howitzer guard system, including liquid crystal display, neutron isolated screen, neutron howitzer and neutron concentration detector, the neutron isolated screen is arranged on around the neutron howitzer, neutron for escaping to the neutron howitzer shields, the neutron concentration detector is used for the neutron concentration for detecting the neutron howitzer escape, the neutron concentration detector is when the neutron concentration of the neutron howitzer escape detected transfinites, send neutron concentration alarm signal, the liquid crystal display is connected with the neutron concentration detector, the neutron concentration escaped for neutron howitzer described in real-time display.By means of the invention it is possible to improve the protective capacities to neutron howitzer.
Description
The present invention be Application No. 201710644659.4, the applying date be August in 2017 1 day, it is entitled " intelligent
The divisional application of the patent of radiation protecting systems ".
Technical field
The present invention relates to NEUTRON EMISSION field, more particularly to a kind of intelligent radiation protecting systems.
Background technology
Free neutron and nuclear collision are elastic collisions, it follows momentum method during two bead elastic collision under macroscopic view
Then.When the atomic nucleus collided is very heavy, atomic nucleus only has the speed of very little；But if the object of collision is and neutron
The similar proton of quality, then proton and neutron can be flown out with almost identical speed.This kind of collision will be because of producing
Ion and be detected.
The electroneutral of neutron allows it to be difficult not only detecting, it is also difficult to is controlled.Electroneutral causes us can not be with electromagnetic field
To accelerate, slow down or fetter neutron.Free neutron is only to magnetic field with the presence of very faint effect (because neutron magnetic moment).Really
The only core active force of neutron can effectively be controlled.The mode that we can uniquely control free neutron to move simply places nuclear pile
On their motion path, neutron and nucleus collision is allowed to use absorption.It is this to be existed with the nuclear reaction of neutron bombardment
Play an important role in nuclear reaction, and the principle of thermonuke running.Free neutron then can be by nuclear decay, nuclear reaction or high energy
Isotonic source is reacted to produce.
The content of the invention
The neutron that neutron howitzer is escaped in emission process can result in neighbouring staff certain body harm.
To solve the above-mentioned problems, the present invention provides a kind of intelligent neutron howitzer guard system, built neutron isolated screen, in
Sub- transmitter and neutron concentration detector, the neutron isolated screen is arranged on around the neutron howitzer, for described
The neutron of neutron howitzer escape is shielded, and the neutron concentration detector is used to detect in the neutron howitzer escape
Sub- concentration, while the internal structure of neutron howitzer is improved, improve the emission rate of neutron howitzer.
According to an aspect of the present invention, there is provided a kind of intelligence neutron howitzer guard system, the system comprises in
Sub- isolated screen, neutron howitzer and neutron concentration detector, the neutron isolated screen are arranged on around the neutron howitzer,
Neutron for escaping to the neutron howitzer shields, and the neutron concentration detector is used to detect the NEUTRON EMISSION
The neutron concentration of device escape.
More specifically, in the intelligent neutron howitzer guard system：The neutron concentration detector is detecting
Neutron howitzer escape neutron concentration when transfiniting, send neutron concentration alarm signal.
More specifically, in the intelligent neutron howitzer guard system, further include：Liquid crystal display, it is and described
Neutron concentration detector connects, the neutron concentration escaped for neutron howitzer described in real-time display；Wherein, the liquid crystal display
Equipment is additionally operable to show the neutron concentration alarm signal.
More specifically, in the intelligent neutron howitzer guard system, further include：
Ion source apparatus, including filament, plasma chamber, target, field coil, anode hole, expansion cup, anode,
Cooling pipe and air inlet pipe, the filament are inserted into the left end of the plasma chamber and extend into the plasma chamber, with
The cathode of the ion source apparatus is formed, the target is embedded on the inner wall of the plasma chamber, the magnetic field
Coil is arranged on the both sides up and down of the plasma chamber, and the anode hole, the expansion cup and the anode are all embedded in
On the right end of the plasma chamber, the cooling pipe is extend into the inner wall of the plasma chamber, and the air inlet pipe is inserted
Enter the left end of the plasma chamber；
Ion gun power supply unit, is connected with the ion source apparatus, for powering for the ion source apparatus, the ion
Source power supply unit includes magnetic field power supply, filament supply and arc voltage power supply, and the arc voltage power supply is used for after electric resistance partial pressure in institute
State and provide potential difference between filament and the target, be additionally operable to after electric resistance partial pressure in the target and the sun
Potential difference is provided between pole, the filament supply is connected with the filament, for the filament power, the magnetic field power supply with it is described
Field coil connects, and powers for the field coil；
The neutron howitzer, including shielding case, neutron delivery outlet, cooling tube, high-tension cable, dead ring, target piece, multistage
Accelerate electrode and vacuum pump, the shielding case is used for realization to the ion source apparatus, the multistage acceleration electrode, the target
The shielding of piece, the dead ring and the high-tension cable, the shielding case include front end shield shell and rear end shield shell, institute
State front end shield shell to be used to accommodate the ion source apparatus, the rear end shield shell couples the front end shield shell, uses
It is arranged in accommodating the multistage acceleration electrode, the target piece, the dead ring and the high-tension cable, the neutron delivery outlet
The upper surface of the rear end shield shell, the vacuum pump are connected with the rear end shield shell accommodation space, for by described in
Rear end shield shell accommodation space is evacuated to form vacuum cavity, and the high-tension cable is inserted in the right side of the vacuum cavity
End, the dead ring are arranged on the outside of the high-tension cable, and the target piece is arranged on the multistage acceleration electrode and the height
Between voltage cable；
Guide device, couples the neutron howitzer to launch fast burst to stratum, fast burst, which is directed to, to be set
The media deceleration of standby surrounding is absorbed after becoming thermal neutron by stratum media so that thermal neutron density is gradually decayed；Density Detection is set
It is standby, it is arranged near guide device, for detecting thermal neutron density to be exported as real-time thermal neutron density；
Formation macro capture cross-section value measuring apparatus, is connected with the Density Detection equipment, receives the real-time thermal neutron
Density, determine the thermal neutron density in real time be reduced to needed for 1/e by the use of time using as die-away time, and be based on the decay
Time determines formation macro capture cross-section value；Fluid type determines equipment, with the formation macro capture cross-section value measuring apparatus
Connection, for determining the fluid type filled in formation pore based on the formation macro capture cross-section value and being used as target fluid
Type exports, and the target fluid type is oil reservoir, gas-bearing formation or water layer；
Wherein, the ion gun power supply unit further includes divider resistance, is connected with the arc voltage power supply, for the arc
The voltage that voltage source provides carries out partial pressure；The neutron isolated screen is also connected with the neutron concentration detector, for receiving
During to the neutron concentration alarm signal, automatically open up, when not receiving the neutron concentration alarm signal, be automatically closed.
More specifically, in the intelligent neutron howitzer guard system：The high-tension cable is located at high pressure connection
On newel, the dead ring is arranged on the outer surface of the high pressure connection.
More specifically, in the intelligent neutron howitzer guard system：Cooling tube is further included in the high pressure connection
With transformer oil pipe.
More specifically, in the intelligent neutron howitzer guard system：The cooling tube and the transformer oil pipe
It is all disposed between the high-tension cable and the dead ring.
More specifically, in the intelligent neutron howitzer guard system：The resistance value of the divider resistance is 2 megaohms,
The voltage that the arc voltage power supply provides is 500 volts.
Brief description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein：
Fig. 1 is the block diagram of the intelligent neutron howitzer guard system according to embodiment of the present invention.
Reference numeral：1 neutron isolated screen；2 neutron howitzers；3 neutron concentration detectors
Embodiment
The embodiment of the intelligent neutron howitzer guard system of the present invention is carried out specifically below with reference to accompanying drawings
It is bright.
Neutron (Neutron) is one of nucleon of composed atom core.Neutron is that composed atom core composition chemical element can not
The component lacked (pays attention to：Protium atom is free of neutron), although the chemical property of atom is determined by the proton number in core,
It is if without neutron, due to the repulsive force between positively charged proton (proton positively charged, neutron are not charged), it is then not possible to form
Other elements in addition to the hydrogen of only one proton.Neutron is made of two down quarks and a up quark.
Accelerator for neutron production is made of neutron tube and target end high voltage power supply, and neutron tube and target end high voltage power supply are sealed in stainless steel
In cylinder, and the gas injection in steel cylinder.High voltage power supply is made of a series of multiplication of voltage circuit, his effect is output high pressure.In
The structure of sub- pipe is complex, is usually made of gas reservoir, ion gun, acceleration system.
Current accelerator for neutron production can not overcome the technical problem of neutron escape, and in order to overcome above-mentioned deficiency, the present invention takes
A kind of intelligent neutron howitzer guard system has been built, the escaping neutron of accelerator for neutron production can have effectively been shielded, improve neutron hair
The work efficiency of raw device.
Fig. 1 is the block diagram of intelligent neutron howitzer guard system according to embodiment of the present invention, institute
Stating system includes neutron isolated screen, neutron howitzer and neutron concentration detector.
Wherein, the neutron isolated screen is arranged on around the neutron howitzer, for escaping to the neutron howitzer
The neutron of ease is shielded, and the neutron concentration detector is used for the neutron concentration for detecting the neutron howitzer escape.
Then, continue to carry out further the concrete structure of the intelligent neutron howitzer guard system of the present invention
It is bright.
In the intelligent neutron howitzer guard system：
The neutron concentration detector is when the neutron concentration of the neutron howitzer escape detected transfinites, in sending
Sub- concentration alarm signal.
The intelligence neutron howitzer guard system can also include：
Liquid crystal display, is connected with the neutron concentration detector, escapes for neutron howitzer described in real-time display
Neutron concentration；
Wherein, the liquid crystal display is additionally operable to show the neutron concentration alarm signal.
The intelligence neutron howitzer guard system can also include：
Ion source apparatus, including filament, plasma chamber, target, field coil, anode hole, expansion cup, anode,
Cooling pipe and air inlet pipe, the filament are inserted into the left end of the plasma chamber and extend into the plasma chamber, with
The cathode of the ion source apparatus is formed, the target is embedded on the inner wall of the plasma chamber, the magnetic field
Coil is arranged on the both sides up and down of the plasma chamber, and the anode hole, the expansion cup and the anode are all embedded in
On the right end of the plasma chamber, the cooling pipe is extend into the inner wall of the plasma chamber, and the air inlet pipe is inserted
Enter the left end of the plasma chamber；
Ion gun power supply unit, is connected with the ion source apparatus, for powering for the ion source apparatus, the ion
Source power supply unit includes magnetic field power supply, filament supply and arc voltage power supply, and the arc voltage power supply is used for after electric resistance partial pressure in institute
State and provide potential difference between filament and the target, be additionally operable to after electric resistance partial pressure in the target and the sun
Potential difference is provided between pole, the filament supply is connected with the filament, for the filament power, the magnetic field power supply with it is described
Field coil connects, and powers for the field coil；
The neutron howitzer, including shielding case, neutron delivery outlet, cooling tube, high-tension cable, dead ring, target piece, multistage
Accelerate electrode and vacuum pump, the shielding case is used for realization to the ion source apparatus, the multistage acceleration electrode, the target
The shielding of piece, the dead ring and the high-tension cable, the shielding case include front end shield shell and rear end shield shell, institute
State front end shield shell to be used to accommodate the ion source apparatus, the rear end shield shell couples the front end shield shell, uses
It is arranged in accommodating the multistage acceleration electrode, the target piece, the dead ring and the high-tension cable, the neutron delivery outlet
The upper surface of the rear end shield shell, the vacuum pump are connected with the rear end shield shell accommodation space, for by described in
Rear end shield shell accommodation space is evacuated to form vacuum cavity, and the high-tension cable is inserted in the right side of the vacuum cavity
End, the dead ring are arranged on the outside of the high-tension cable, and the target piece is arranged on the multistage acceleration electrode and the height
Between voltage cable；
Guide device, couples the neutron howitzer to launch fast burst to stratum, fast burst, which is directed to, to be set
The media deceleration of standby surrounding is absorbed after becoming thermal neutron by stratum media so that thermal neutron density is gradually decayed；
Density Detection equipment, is arranged near guide device, for detecting thermal neutron density to be used as real-time thermal neutron
Density exports；
Formation macro capture cross-section value measuring apparatus, is connected with the Density Detection equipment, receives the real-time thermal neutron
Density, determine the thermal neutron density in real time be reduced to needed for 1/e by the use of time using as die-away time, and be based on the decay
Time determines formation macro capture cross-section value；
Fluid type determines equipment, is connected with the formation macro capture cross-section value measuring apparatus, for based on described
Layer macroscopic capture cross-section value determines the fluid type filled in formation pore and as the output of target fluid type, the target stream
Body type is oil reservoir, gas-bearing formation or water layer；
Wherein, the ion gun power supply unit further includes divider resistance, is connected with the arc voltage power supply, for the arc
The voltage that voltage source provides carries out partial pressure；
Wherein, the neutron isolated screen is also connected with the neutron concentration detector, for receive the neutron dense
When spending alarm signal, automatically open up, when not receiving the neutron concentration alarm signal, be automatically closed.
In the intelligent neutron howitzer guard system：The high-tension cable is located on the newel of high pressure connection,
The dead ring is arranged on the outer surface of the high pressure connection.
In the intelligent neutron howitzer guard system：Cooling tube and transformer oil are further included in the high pressure connection
Pipe.
In the intelligent neutron howitzer guard system：The cooling tube and the transformer oil pipe are all disposed within institute
State between high-tension cable and the dead ring.
In the intelligent neutron howitzer guard system：The resistance value of the divider resistance is 2 megaohms, the arc voltage electricity
The voltage that source provides is 500 volts.
In addition, the system can also include IR imaging device, for infrared to being realized around neutron howitzer
The data acquisition of thermal imaging, to obtain corresponding infrared image.
Due to the presence of black body radiation, any object all externally carries out electromagenetic wave radiation according to the difference of temperature.Wavelength is
2.0 to 1000 microns of part is known as Thermal Infra-Red.Thermal infrared imaging by being imaged to thermal infrared sensitivity CCD to object,
It can reflect the temperature field of body surface.Thermal infrared has in military affairs, industry, automobile assistant driving, medical domain widely should
With.
Infrared thermal imaging principle is not mysterious, is analyzed from physics principle, and human body is exactly the outer spoke of a natural bio-red
Source is penetrated, can constantly launch to surrounding and absorb infra-red radiation.The Temperature Distribution of normal human has certain stability and spy
Sign property, each spot temperature of body is different, forms different thermal fields.When disease or function, which occur, for human body somewhere changes, at this
Blood flow can accordingly change, and cause body local temperature to change, show as temperature drift or relatively low.According to this principle,
Human infrared radiation is gathered by thermal imaging system, and is converted to digital signal, pseudo- color thermal map is formed, is set using dedicated analysis
Standby, it is convenient to be provided for each application field such as human bioequivalence and medical-therapeutic treatment of human body.
Intelligence neutron howitzer guard system using the present invention, is difficult to handle for neutron howitzer in the prior art
The technical problem of escaping neutron, by introduce be arranged on neutron concentration detector around the neutron howitzer and neutron every
Off screen realizes the detection of the neutron concentration to neutron howitzer escape and corresponding masking operation, particular, it is important that also by changing
The application field of inside structure and expansion neutron howitzer into neutron howitzer is revealed to reduce the neutron of accelerator for neutron production
And improve the universality of accelerator for neutron production.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.
Claims (6)
1. a kind of intelligence neutron howitzer guard system, including neutron isolated screen, neutron howitzer and neutron concentration detector,
The neutron isolated screen is arranged on around the neutron howitzer, and the neutron for escaping to the neutron howitzer shields
Cover, the neutron concentration detector is used for the neutron concentration for detecting the neutron howitzer escape.
2. intelligence neutron howitzer guard system as claimed in claim 1, it is characterised in that：
It is dense to send neutron when the neutron concentration of the neutron howitzer escape detected transfinites for the neutron concentration detector
Spend alarm signal.
3. intelligence neutron howitzer guard system as claimed in claim 2, it is characterised in that further include：
Liquid crystal display, is connected with the neutron concentration detector, in neutron howitzer escape described in real-time display
Sub- concentration；
Wherein, the liquid crystal display is additionally operable to show the neutron concentration alarm signal.
4. intelligence neutron howitzer guard system as claimed in claim 3, it is characterised in that further include：
Ion source apparatus, including filament, plasma chamber, target, field coil, anode hole, expansion cup, anode, cooling
Pipeline and air inlet pipe, the filament are inserted into the left end of the plasma chamber and extend into the plasma chamber, to be formed
The cathode of the ion source apparatus, the target are embedded on the inner wall of the plasma chamber, the field coil
The both sides up and down of the plasma chamber are arranged on, the anode hole, the expansion cup and the anode are all embedded in described
On the right end of plasma chamber, the cooling pipe is extend into the inner wall of the plasma chamber, and the air inlet pipe is inserted into institute
State the left end of plasma chamber；
Ion gun power supply unit, is connected with the ion source apparatus, and for powering for the ion source apparatus, the ion gun supplies
Electric equipment includes magnetic field power supply, filament supply and arc voltage power supply, and the arc voltage power supply is used for after electric resistance partial pressure in the lamp
There is provided potential difference between silk and the target, be additionally operable to after electric resistance partial pressure the target and the anode it
Between potential difference is provided, the filament supply is connected with the filament, is powered for the filament, the magnetic field power supply and the magnetic field
Coil connects, and powers for the field coil；
The neutron howitzer, including shielding case, neutron delivery outlet, cooling tube, high-tension cable, dead ring, target piece, multistage acceleration
Electrode and vacuum pump, the shielding case are used for realization to the ion source apparatus, the multistage acceleration electrode, the target piece, institute
The shielding of dead ring and the high-tension cable is stated, the shielding case includes front end shield shell and rear end shield shell, before described
End shield housing is used to accommodate the ion source apparatus, and the rear end shield shell couples the front end shield shell, for holding
The multistage of receiving accelerates electrode, the target piece, the dead ring and the high-tension cable, and the neutron delivery outlet is arranged on described
The upper surface of rear end shield shell, the vacuum pump are connected with the rear end shield shell accommodation space, for by the rear end
Shield shell accommodation space is evacuated to form vacuum cavity, and the high-tension cable is inserted in the right end of the vacuum cavity,
The dead ring is arranged on the outside of the high-tension cable, and the target piece is arranged on the multistage acceleration electrode and the high-voltage electricity
Between cable；
Guide device, couples the neutron howitzer to launch fast burst to stratum, fast burst is directed to equipment week
The media deceleration enclosed is absorbed after becoming thermal neutron by stratum media so that thermal neutron density is gradually decayed；
Density Detection equipment, is arranged near guide device, for detecting thermal neutron density to be used as real-time thermal neutron density
Output；
Formation macro capture cross-section value measuring apparatus, is connected with the Density Detection equipment, receives the real-time thermal neutron density,
Determine the thermal neutron density in real time be reduced to needed for 1/e by the use of time using as die-away time, and be based on the die-away time
Determine formation macro capture cross-section value；
Fluid type determines equipment, is connected with the formation macro capture cross-section value measuring apparatus, for grand based on the stratum
Capture cross-section value is seen to determine the fluid type of filling in formation pore and export as target fluid type, the target fluid class
Type is oil reservoir, gas-bearing formation or water layer；
Wherein, the ion gun power supply unit further includes divider resistance, is connected with the arc voltage power supply, for arc voltage electricity
The voltage that source provides carries out partial pressure；
Wherein, the neutron isolated screen is also connected with the neutron concentration detector, for receiving the neutron concentration report
During alert signal, automatically open up, when not receiving the neutron concentration alarm signal, be automatically closed；
The cooling tube and the transformer oil pipe are all disposed between the high-tension cable and the dead ring；
The resistance value of the divider resistance is 2 megaohms, and the voltage that the arc voltage power supply provides is 500 volts.
5. intelligence neutron howitzer guard system as claimed in claim 4, it is characterised in that：
The high-tension cable is located on the newel of high pressure connection, and the dead ring is arranged on the outer surface of the high pressure connection
On.
6. intelligence neutron howitzer guard system as claimed in claim 5, it is characterised in that：
Cooling tube and transformer oil pipe are further included in the high pressure connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401736.XA CN107949146A (en) | 2017-08-01 | 2017-08-01 | Intelligent radiation protecting systems |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401736.XA CN107949146A (en) | 2017-08-01 | 2017-08-01 | Intelligent radiation protecting systems |
| CN201710644659.4A CN107257601B (en) | 2017-08-01 | 2017-08-01 | Intelligent radiation protecting systems |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710644659.4A Division CN107257601B (en) | 2017-08-01 | 2017-08-01 | Intelligent radiation protecting systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107949146A true CN107949146A (en) | 2018-04-20 |
Family
ID=60025377
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711401736.XA Withdrawn CN107949146A (en) | 2017-08-01 | 2017-08-01 | Intelligent radiation protecting systems |
| CN201710644659.4A Expired - Fee Related CN107257601B (en) | 2017-08-01 | 2017-08-01 | Intelligent radiation protecting systems |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710644659.4A Expired - Fee Related CN107257601B (en) | 2017-08-01 | 2017-08-01 | Intelligent radiation protecting systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107949146A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008547019A (en) * | 2005-06-24 | 2008-12-25 | ヴァリアン メディカル システムズ テクノロジーズ インコーポレイテッド | X-ray radiation source with low neutron emission for radiation scanning |
| US20090135982A1 (en) * | 2007-11-28 | 2009-05-28 | Schlumberger Technology Corporation | Neutron Generator |
| WO2009076291A1 (en) * | 2007-12-10 | 2009-06-18 | Schlumberger Canada Limited | Low power neutron generators |
| CN102043161A (en) * | 2010-03-16 | 2011-05-04 | 上海新漫传感技术研究发展有限公司 | Ambient neutron dose equivalent meter |
| CN102778687A (en) * | 2012-05-17 | 2012-11-14 | 河南师范大学 | Nuclear radiation detector |
| CN103995015A (en) * | 2014-04-22 | 2014-08-20 | 中国工程物理研究院核物理与化学研究所 | Explosive detection device |
| CN204010718U (en) * | 2014-07-31 | 2014-12-10 | 阳江核电有限公司 | A kind of mobile radioactive liquid focus removal device |
| CN205124106U (en) * | 2015-11-13 | 2016-03-30 | 兰州大学 | Compact D -D neutron generator |
-
2017
- 2017-08-01 CN CN201711401736.XA patent/CN107949146A/en not_active Withdrawn
- 2017-08-01 CN CN201710644659.4A patent/CN107257601B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008547019A (en) * | 2005-06-24 | 2008-12-25 | ヴァリアン メディカル システムズ テクノロジーズ インコーポレイテッド | X-ray radiation source with low neutron emission for radiation scanning |
| US20090135982A1 (en) * | 2007-11-28 | 2009-05-28 | Schlumberger Technology Corporation | Neutron Generator |
| WO2009076291A1 (en) * | 2007-12-10 | 2009-06-18 | Schlumberger Canada Limited | Low power neutron generators |
| CN102043161A (en) * | 2010-03-16 | 2011-05-04 | 上海新漫传感技术研究发展有限公司 | Ambient neutron dose equivalent meter |
| CN102778687A (en) * | 2012-05-17 | 2012-11-14 | 河南师范大学 | Nuclear radiation detector |
| CN103995015A (en) * | 2014-04-22 | 2014-08-20 | 中国工程物理研究院核物理与化学研究所 | Explosive detection device |
| CN204010718U (en) * | 2014-07-31 | 2014-12-10 | 阳江核电有限公司 | A kind of mobile radioactive liquid focus removal device |
| CN205124106U (en) * | 2015-11-13 | 2016-03-30 | 兰州大学 | Compact D -D neutron generator |
Non-Patent Citations (1)
| Title |
|---|
| 杨本 等: "石油测井中子发生器辐射防护与安全管理", 《现代科学仪器》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107257601A (en) | 2017-10-17 |
| CN107257601B (en) | 2018-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5653757B2 (en) | Small apparatus for generating nucleons and method for generating nucleons | |
| Dufaux et al. | Motion estimation techniques for digital TV: A review and a new contribution | |
| JP6130289B2 (en) | Apparatus and method for the production of medical isotopes | |
| CN106980136B (en) | Radiation detection system for neutron capture treatment system and detection method thereof | |
| CN103077875B (en) | A kind of high current little focal spot long-life vacuum diode | |
| CN101297373A (en) | Reactor for producing controlled nuclear fusion | |
| Oreshko et al. | Proton-electron model of ball lightning structure | |
| CN107257601B (en) | Intelligent radiation protecting systems | |
| Stoneking et al. | Electron plasmas in a “partial” torus | |
| Buzarbaruah et al. | A study on neutron emission from a cylindrical inertial electrostatic confinement device | |
| Nishiura et al. | Scintillator probe diagnostic for high energy particles escaped from Large Helical Device | |
| Yamauchi et al. | Development of in-vessel neutron monitor using micro-fission chambers for ITER | |
| Ivanov et al. | Accelerator-based neutron source for boron neutron capture therapy | |
| Maltsev et al. | Simulation of different options of the inner tracker for Novosibirsk Super Charm-Tau factory detector | |
| Yoshikawa et al. | Research and development of landmine detection system by a compact fusion neutron source | |
| JP2001056394A (en) | Radioactive isotope producing device | |
| KR100293690B1 (en) | Radioisotope Liquid Target Inspection System | |
| Dal Molin et al. | Development of gamma-ray spectrometers optimized for runaway electron bremsstrahlung emission in fusion devices | |
| Love | Construction and Characterization of a Farnsworth-Hirsch Fusor | |
| Hayashi et al. | First measurement of time-resolved neutron yield on JT-60U using a microfission chamber | |
| JP2020038780A (en) | Neutron generating device, neutron generation system, medical neutron irradiation device, neutron radiography device, and pharmaceutical neutron irradiation device | |
| Igielski et al. | Upgrade of the IGN-14 neutron generator for research on detection of fusion-plasma products | |
| Buzarbaruah et al. | A study on neutron emission from a cylindrical inertial electrostatic | |
| Kacperek et al. | A system for the determination of silicon in the human lung using neutrons from A 2MV Van de Graaff generator | |
| JPH04131744A (en) | Hydrogen void ratio meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |
|
| WW01 | Invention patent application withdrawn after publication |