CN108490008A - A kind of neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack - Google Patents
A kind of neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack Download PDFInfo
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- CN108490008A CN108490008A CN201810345920.5A CN201810345920A CN108490008A CN 108490008 A CN108490008 A CN 108490008A CN 201810345920 A CN201810345920 A CN 201810345920A CN 108490008 A CN108490008 A CN 108490008A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N23/20—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/201—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials by measuring small-angle scattering
- G01N23/202—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials by measuring small-angle scattering using neutrons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N23/20—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
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Abstract
The invention discloses a kind of neutron small angle scattering loading devices of Investigation of Metal Surface hydrogen attack.The device realizes sheet sample using multiple-piece sample clamp and is superimposed, and the uniform load of hydrogen is ensure that while increasing hydride neutron small angle scattering signal；The method optimizing hydrogen of sharp metal welding and metal washer loads chamber size and ensures the high temperature and pressure load of hydrogen, significantly reduces the interference that hydrogen tests neutron small angle scattering；Play the role of maintaining to test with the matched buffer tank of hydrogen LOADED CAVITY and pressure monitor and feeds back hydrogen pressure.The device overcomes under high temperature, high pressure hydrogen gas leakage while effectively obtaining the neutron small angle scattering signal of metal surface hydrogen-type corrosion and to the interference problem of experimental precision.The device combination Small-angle neutron scattering, microstructure change that can be with on-spot study active metal during hydrogen attack make up deficiency of the conventional method in terms of hydrogen-type corrosion early stage Micro-Structure Analysis.
Description
Technical field
The invention belongs to metal erosion research fields, and in particular to a kind of neutron small angle scattering of Investigation of Metal Surface hydrogen attack
Loading device.
Background technology
Hydrogen influences significantly the commercial Application of metal material, and in a small amount of nitrogen atmosphere stored for extended periods, high activity metal is easy
Surface corrosion occurs, relative to oxidation corrosion, more acutely and with significant volume expansion, product is easy for hydrogenation corrosion reaction
Combustion easily leads to mechanical property of materials decline and security risk, thus receives the concern of numerous researchers.Metal hydride corrosion
Critical process is the hydride forming core for reacting early stage, and it is to disclose hydrogenation corrosion mechanism and regulation and control corrosion resistance to study its Evolution
The premise of energy.But it is limited to analysis means limitation, is not still at present very clear to the hydride Evolution Microstructure rule of initial reaction stage
Chu.
The hydride using local analysis means observation metal surface main at present.Wherein high-resolution optics microscope is suitable
React the growth behavior observation of later stage hydride.High resolution scanning Electronic Speculum, electron backscattered technology require sample preparation harsh and electric
Sub- probe and X-ray are insensitive to protium, are easily influenced by oxide.Ion microprobe can obtain the hydrogen point of local
Cloth, but belong to destructive testing, it cannot dynamically be observed.The microscopical resolution ratio of atom-probe chromatography is higher, still
Hydride structural information when certain depth is especially in the presence of oxide layer can not be provided.It is limited to that penetration depth is small, hydrogen-sensitivity
Low and harsh sampling, above-mentioned analysis method are in progress in terms of metal and the hydride dynamic observation at hydrogen interaction initial stage
Slowly.
Neutron small angle scattering can obtain the information such as size, distribution and the content of material internal nano-scale structures, have
The advantages such as non-destructive testing and deep penetration, and it is very sensitive to protium, has in terms of the hydrogen-type corrosion analysis of metal surface
It is widely applied foreground.In the world in the bulk metal of useful Small-angle neutron scattering research hydride report, but because
The hydride of surface hydrogen-type corrosion is seldom, is experimentally difficult to obtain effective signal, therefore still small without the neutron of surface hydrogen-type corrosion
The report of angle scattering analysis.To realize that neutron small angle scattering analyzes metal surface hydrogen-type corrosion, first have to solve a small amount of hydrogen in surface
Effective observation of compound scattered signal and the uniform load problem of hydrogen.And it relative to other gases, is dissipated at the small angle of neutron
In terms of penetrating experiment, hydrogen is loaded with its particularity：Neutron is very sensitive to hydrogen, and the hydrogen in neutron light path can interference experiment knot
The accuracy of fruit；Many materials easily interact with hydrogen in heating, cause loading system unstable；Hydrogen wants leakproofness
Ask very high, common sealing means are difficult to reach requirement under high temperature, high pressure.The loading device in situ of metal surface hydrogen-type corrosion should
Effectively obtain neutron small angle scattering signal, it is necessary to be faced when considering hydrogen load from design, material, process aspect above-mentioned
Various problems.Chinese patent literature library discloses entitled《A kind of thermal station for small-angle scattering experiment》Patent
（ZL201510224536.6）, which is a kind of heating apparatus of small-angle scattering original position, is a kind of universal in-situ temperature
Loading equipemtn cannot solve the problems, such as the signal acquisition of metal surface hydrides although it also has gas-loaded function,
It does not account for hydrogen and loads a series of problems faced, the neutron small angle scattering experiment demand of metal surface hydrogen-type corrosion cannot be met.
Invention content
Technical problem to be solved by the invention is to provide a kind of loads of the neutron small angle scattering of Investigation of Metal Surface hydrogen attack
Device.
The neutron small angle scattering loading device of the Investigation of Metal Surface hydrogen attack of the present invention, its main feature is that, the device packet
Include hydrogen LOADED CAVITY, the multiple-piece sample clamp for being placed on hydrogen LOADED CAVITY center, the cavity heating part being placed on outside hydrogen LOADED CAVITY
Part, and the buffer tank, switch valve and the inflation system that are linked in sequence by gas piping with hydrogen LOADED CAVITY, the external packet of buffer tank
It is wrapped with buffer tank heating element, pressure monitor monitors the internal pressure of hydrogen LOADED CAVITY；
The hydrogen LOADED CAVITY is tank container, and the main body of tank container is rear end housing, and the bottom of rear end housing is equipped with scattered
Window II is penetrated, the lid of tank container is front end shell, and scattering window I, front end shell and rear end housing are equipped at the top of front end shell
The outer diameter of body is R1, is equipped with metal washer between front end shell and rear end housing, and the outer diameter of metal washer is R2, R1 ＞ R2,
Circumferential uniform distributed fastening bolt between R1 and R2, fastening bolt are fixedly connected with front end shell and rear end housing；Front end shell, after
End housing and metal washer are coaxial and internal diameter is identical；
The both ends of the multiple-piece sample clamp are circumferential support frame, and supporting rod is evenly distributed on circumferential support frame, are propped up
Multigroup gasket is installed on strut, sheet sample is clamped between every group of gasket.
It is less than or equal to 1.5cm along the length of neutron incident direction inside the hydrogen LOADED CAVITY.
The hydrogen LOADED CAVITY volume is V1, and the volume of buffer tank is V2, V2 >=10V1.
There are gaps between the hydrogen LOADED CAVITY and multiple-piece sample clamp, realize hydrogen circulation.
The scattering window I is tightly connected with front end shell by way of metal welding, and scattering window II passes through metal welding
The mode connect is connect with rear end housing seal.
The material of the scattering window I and scattering window II is sapphire or quartz.
The cavity heating element is synchronous temperature control with buffer tank heating element.
The inflation system, which has, to be vacuumized and charging-discharging function.
The multiple-piece sample clamp, hydrogen LOADED CAVITY, the size design of cavity heating element meet neutron scattering light path
It is required that in addition to scattering window, in angle of scattering α, without device feature.
Gasket, supporting rod in the neutron small angle scattering loading device of the Investigation of Metal Surface hydrogen attack of the present invention and cyclic annular branch
The fixture that support is constituted is for being clamped sheet sample；Scattering window, front end shell, rear end housing, metal washer are constituted with gas
The sealing hydrogen loading chambers of body pipeline；The hydrogen of buffer tank storage ensures the lasting progress for being flushed with hydrogen experiment；LOADED CAVITY heating element
It is respectively used to hydrogen LOADED CAVITY and buffer tank heating with buffer tank heating element, and realizes synchronous temperature control；Pressure monitor
Measure of the change is pressed for the hydrogen in experimentation；Inflation system is used for vacuumizing and charge and discharge hydrogen in experimentation.
The neutron small angle scattering loading device of the Investigation of Metal Surface hydrogen attack of the present invention utilizes gasket, supporting rod and cyclic annular branch
Support realizes clamping and the hydrogen load of multiple sheet samples, by being superimposed the metal surface area for increasing experiment and measuring, in improving
Sub- small-angle scattering signal；Add water circulating cooling relative to traditional rubber washer（Or other coolant liquids）Sealing means, metal welding
It connects and metal washer sealing structure is simple, high temperature high voltage resistant, occupies volume smaller and is discharged without gas, reduce hydrogen to the maximum extent
Loading chambers size, and then significantly reduce interference of the hydrogen to neutron small angle scattering experimental precision；Buffer tank and hydrogen LOADED CAVITY
Pulling temperature controls, and solves the problems, such as that hydrogen content is not enough to complete experiment in the hydrogen LOADED CAVITY of small size.It is filled using the present invention
It sets and combines Small-angle neutron scattering, microstructure change that can be with on-spot study active metal during hydrogen attack makes up often
Deficiency of the rule method in terms of hydrogen-type corrosion early stage Micro-Structure Analysis.
The neutron small angle scattering loading device of the Investigation of Metal Surface hydrogen-type corrosion of the present invention is effectively obtaining metal surface hydrogen
Hydrogen gas leakage under high temperature, high pressure is overcome while the neutron small angle scattering signal of corrosion and the interference of experimental precision is asked
Topic.
Description of the drawings
Fig. 1 is the structural schematic diagram of the neutron small angle scattering loading device of the Investigation of Metal Surface hydrogen attack of the present invention；
Fig. 2 is the front view of the neutron small angle scattering loading device of the Investigation of Metal Surface hydrogen attack of the present invention（Neutron incidence side
To）；
Fig. 3 is the rearview of the neutron small angle scattering loading device of the Investigation of Metal Surface hydrogen attack of the present invention（Neutron outgoing side
To）；
Fig. 4 is that the neutron small angle scattering of the Investigation of Metal Surface hydrogen attack of the present invention carries the front view set（Neutron incident direction）.
In figure, end housing 13. scatters I 14. metal washer of window, 15. fastening bolt 16. and dissipates after 11. front end shells 12.
Penetrate 3. buffer tank of window II 21. gasket, 22. supporting rod, 23. sheet sample, 24. circumferential support frame, 41. cavity heating element
42. 7. gas piping of buffer tank heating element 5. pressure monitor, 6. inflation system, 8. switch valve.
Explanation：Neutron incident direction refers to neutron from the outside of scattering window I to the direction of II incidence of scattering window.
Specific implementation mode
The detailed content and its specific implementation mode further illustrated the present invention with reference to the accompanying drawings and examples.
These examples are only the further explanations to the present invention, and be should not be taken as limiting the scope of the invention.It is every
Some nonessential modifications and adaptations that the above according to the present invention is made, still belong to the scope of protection of the present invention.
As shown in Figs 1-4, the neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack of the invention includes hydrogen load
Chamber, the multiple-piece sample clamp for being placed on hydrogen LOADED CAVITY center, the cavity heating element 41 being placed on outside hydrogen LOADED CAVITY, and
Buffer tank 3, switch valve 8 and the inflation system 6 being linked in sequence by gas piping 7 with hydrogen LOADED CAVITY, the external package of buffer tank 3
There are buffer tank heating element 42, pressure monitor 5 to monitor the internal pressure of hydrogen LOADED CAVITY；
The hydrogen LOADED CAVITY is tank container, and the main body of tank container is rear end housing 12, and the bottom of rear end housing 12 is installed
There is scattering window II 16, the lid of tank container is front end shell 11, and the top of front end shell 11 is equipped with scattering window I 13, front end
Shell 11 and the outer diameter of rear end housing 12 are R1, and metal washer 14, metal are equipped between front end shell 11 and rear end housing 12
The outer diameter of washer 14 is R2, R1-R2 ＞ 0, and the circumferential uniform distributed fastening bolt 15 between R1 and R2, fastening bolt 15 is fixedly connected
Front end shell 11 and rear end housing 12；Front end shell 11, rear end housing 12 and metal washer 14 are coaxial and internal diameter is identical；
The both ends of the multiple-piece sample clamp are circumferential support frame 24, and supporting rod 22 is evenly distributed in circumferential support frame 24
On, multigroup gasket 21 is installed on supporting rod 22, sheet sample 23 is clamped between every group of gasket.
It is less than or equal to 15mm along the length of neutron incident direction inside the hydrogen LOADED CAVITY.
The hydrogen LOADED CAVITY volume is V1, and the volume of buffer tank 3 is V2, V2 >=10V1.
There are gaps between the hydrogen LOADED CAVITY and multiple-piece sample clamp, realize hydrogen circulation.
The scattering window I 13 is tightly connected with front end shell 11 by way of metal welding, and scattering window II 16 passes through
The mode of metal welding is tightly connected with rear end housing 12.
The material of the scattering window I 13 and scattering window II 16 is sapphire or quartz.
The cavity heating element 41 is synchronous temperature control with buffer tank heating element 42.
The inflation system 6, which has, to be vacuumized and charging-discharging function.
Embodiment 1
The neutron streaming size that the neutron small angle scattering experiment of this embodiment is used is 8mm, fluence rate 2*105cm-2.s-1。
In this embodiment the internal diameter of the front end shell 11 of hydrogen LOADED CAVITY and rear end housing 12 be 20mm, outer diameter 30mm,
The stainless steel material of material selection resistant to hydrogen；It scatters window I 13 and scatters a diameter of 24mm of window II 16, material selection sapphire leads to
The mode for crossing metal welding is connect with front end shell 11 and rear end housing 12 respectively；The internal diameter of metal washer 14 is 20mm, outer diameter
For 25mm, material selection red copper；Inside hydrogen LOADED CAVITY along the total length in neutron beam direction be 5mm, volume is about 1.6ml.
A diameter of 19.9mm of the circumferential support frame 24 of multiple-piece sample clamp in this embodiment；In symmetric position
The distance between supporting rod 22 is 14.2mm；A diameter of 1mm of gasket 21, thickness 0.2mm, quantity 11；Sheet sample 23
A diameter of 14mm, thickness 0.2mm, quantity 10.
The internal diameter of cavity heating element 41 is 31mm, outer diameter 50mm, the overall length along neutron beam direction in this embodiment
Degree is 120mm；Hydrogen LOADED CAVITY is located at the middle part about 60mm of cavity heating element.
The volume of buffer tank 3 is 100ml in this embodiment；Utilize switch valve 8, hydrogen LOADED CAVITY, buffer tank 3 and pressure prison
It surveys device 5 and constitutes closed system, pressure monitor 5 monitors hydrogen buckling.Cavity heating element 41 in this embodiment and caching
Tank heating element 42 is regulated and controled using same temperature controller, realizes synchronous temperature control.
Inflation system 6 is equipped with the components such as vacuum pump and hydrogen cylinder in this embodiment, whole system vacuumize and
It is flushed with hydrogen gas.
After above-mentioned implementation, when neutron scattering experiment, the scattered signal of hydride can improve 20 times, at the same metal from
The scattered signal of body is obviously inhibited, relative to common loading device in situ（Along the total length in neutron beam direction inside LOADED CAVITY
Typically larger than 100mm）, the interference signal that hydrogen generates when experiment drops to 3.1%, and buffer tank has enough hydrogen to maintain to test
It is lasting to carry out, when high temperature and pressure load, the problem of not will produce hydrogen gas leakage, and also selected material will not when heating
It decomposes to give off gas and then interferes reacting for metal and hydrogen.
Embodiment 2
The present embodiment is identical as the structure of embodiment 1, the difference is that the material selection stone of scattering window I 13 and scattering window II 16
English；Inside hydrogen LOADED CAVITY along the total length in neutron beam direction be 15mm, volume is about 7.4ml.
After above-mentioned implementation, when neutron scattering experiment, the scattered signal of hydride can improve 20 times, at the same metal from
The scattered signal of body is obviously inhibited, relative to common loading device in situ（Along the total length in neutron beam direction inside LOADED CAVITY
Typically larger than 100mm）, the interference signal that hydrogen generates when experiment drops to 13.3%, and buffer tank has enough hydrogen to maintain to test
It is lasting to carry out, when high temperature and pressure load, the problem of not will produce hydrogen gas leakage, and also selected material will not when heating
It decomposes to give off gas and then interferes reacting for metal and hydrogen.
Claims (8)
1. a kind of neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack, it is characterised in that：The device includes hydrogen
LOADED CAVITY, the multiple-piece sample clamp for being placed on hydrogen LOADED CAVITY center, the cavity heating element being placed on outside hydrogen LOADED CAVITY
（41）, and with hydrogen LOADED CAVITY pass through gas piping（7）The buffer tank being linked in sequence（3）, switch valve（8）And inflation system（6）,
Buffer tank（3）Outside be enclosed with buffer tank heating element（42）, pressure monitor（5）Monitor the pressure of hydrogen LOADED CAVITY；
The hydrogen LOADED CAVITY is tank container, and the main body of tank container is rear end housing（12）, rear end housing（12）Bottom
Scattering window II is installed（16）, the lid of tank container is front end shell（11）, front end shell（11）Top scattering is installed
Window I（13）, front end shell（11）With rear end housing（12）Outer diameter be R1, front end shell（11）With rear end housing（12）Between pacify
Equipped with metal washer（14）, metal washer（14）Outer diameter be R2, R1 ＞ R2, the circumferential uniform distributed fastening bolt between R1 and R2
（15）, fastening bolt（15）It is fixedly connected with front end shell（11）With rear end housing（12）；Front end shell（11）, rear end housing（12）
And metal washer（14）Coaxial and internal diameter is identical；
The both ends of the multiple-piece sample clamp are circumferential support frame（24）, supporting rod（22）It is evenly distributed in circumferential support
Frame（24）On, supporting rod（22）On multigroup gasket is installed（21）, sheet sample is clamped between every group of gasket（23）.
2. the neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack according to claim 1, which is characterized in that institute
It is less than or equal to 15mm along the length of neutron incident direction inside the hydrogen LOADED CAVITY stated.
3. the neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack according to claim 1, it is characterised in that：Institute
The hydrogen LOADED CAVITY volume stated is V1, buffer tank（3）Volume be V2, V2 >=10V1.
4. the neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack according to claim 1, it is characterised in that：Institute
There are gaps between the hydrogen LOADED CAVITY stated and multiple-piece sample clamp, realize hydrogen circulation.
5. the neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack according to claim 1, it is characterised in that：Institute
The scattering window I stated（13）By way of metal welding with front end shell（11）It is tightly connected, scatters window II（16）Pass through metal
The mode of welding and rear end housing（12）It is tightly connected.
6. the neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack according to claim 1, it is characterised in that：Institute
The scattering window I stated（13）With scattering window II（16）Material be sapphire or quartz.
7. the neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack according to claim 1, it is characterised in that：Institute
The cavity heating element stated（41）With buffer tank heating element（42）For synchronous temperature control.
8. the neutron small angle scattering loading device of Investigation of Metal Surface hydrogen attack according to claim 1, it is characterised in that：Institute
The inflation system stated（6）Have and vacuumizes and charging-discharging function.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345920.5A CN108490008B (en) | 2018-04-18 | 2018-04-18 | Neutron small angle scattering loading device for researching hydrogen corrosion on metal surface |
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|---|---|---|---|
| CN201810345920.5A CN108490008B (en) | 2018-04-18 | 2018-04-18 | Neutron small angle scattering loading device for researching hydrogen corrosion on metal surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596647A (en) * | 2018-12-01 | 2019-04-09 | 金华职业技术学院 | A method of for neutron scattering experiment |
| CN111537534A (en) * | 2020-05-26 | 2020-08-14 | 中国工程物理研究院核物理与化学研究所 | Analysis method for nucleation of metal hydride containing surface oxide layer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833687A (en) * | 2015-05-06 | 2015-08-12 | 中国工程物理研究院核物理与化学研究所 | Hot stage for small-angle scattering experiment |
| CN104849148A (en) * | 2015-05-21 | 2015-08-19 | 中国工程物理研究院核物理与化学研究所 | In situ pressure loading device for neutron small-angle scattering |
| CN106053235A (en) * | 2016-07-25 | 2016-10-26 | 中国矿业大学(北京) | Nanoscale compressing, shearing and twisting device and method for small-angle scattering study of coal and rock materials |
-
2018
- 2018-04-18 CN CN201810345920.5A patent/CN108490008B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833687A (en) * | 2015-05-06 | 2015-08-12 | 中国工程物理研究院核物理与化学研究所 | Hot stage for small-angle scattering experiment |
| CN104849148A (en) * | 2015-05-21 | 2015-08-19 | 中国工程物理研究院核物理与化学研究所 | In situ pressure loading device for neutron small-angle scattering |
| CN106053235A (en) * | 2016-07-25 | 2016-10-26 | 中国矿业大学(北京) | Nanoscale compressing, shearing and twisting device and method for small-angle scattering study of coal and rock materials |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596647A (en) * | 2018-12-01 | 2019-04-09 | 金华职业技术学院 | A method of for neutron scattering experiment |
| CN109596647B (en) * | 2018-12-01 | 2023-08-29 | 金华职业技术学院 | Method for neutron scattering experiment |
| CN111537534A (en) * | 2020-05-26 | 2020-08-14 | 中国工程物理研究院核物理与化学研究所 | Analysis method for nucleation of metal hydride containing surface oxide layer |
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| CN108490008B (en) | 2023-05-26 |
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