CN104834000B - Gamma spectrometer sample testing frame with self-cleaning function - Google Patents
Gamma spectrometer sample testing frame with self-cleaning function Download PDFInfo
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- CN104834000B CN104834000B CN201510180445.7A CN201510180445A CN104834000B CN 104834000 B CN104834000 B CN 104834000B CN 201510180445 A CN201510180445 A CN 201510180445A CN 104834000 B CN104834000 B CN 104834000B
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Abstract
Gamma spectrometer sample testing frame of the invention with self-cleaning function, the gamma spectrometer sample testing frame structure for overcoming prior art is too simple, very impracticable, can not especially overcome gamma ray spectrometer sample jar outer surface to haze condensation, have influence on probe and the inner chamber of gamma ray spectrometer, the defect polluted.Including upper bed-plate and lower bottom base, upper bed-plate and lower bottom base are connected by height adjustment mechanism, there is through hole at the center of lower bottom base, the diameter of through hole is adapted with the probe external diameter of gamma ray spectrometer, there is the open-work that can directly penetrate γ light at upper bed-plate center, the periphery of upper bed-plate is connected with temperature isolation layer, and the internal diameter of temperature isolation layer is more than the external diameter of gamma ray spectrometer sample jar.The present invention with temperature isolation layer avoid gamma ray spectrometer sample jar outer surface haze condensation, gamma ray spectrometer sample jar with probe distance adjustment precisely easily advantage.
Description
Technical field
The invention belongs to experiment survey meter device technical field, and in particular to a kind of gamma spectrometer sample testing auxiliary equipment.
Background technology
The gamma ray spectrometer test of prior art there is no special testing jig, and one of reason is common laboratory test
And infrequently, majority is to make testing jig, therefore simple structure is coarse in practical application temporarily, and effect is poor, influence measurement
The degree of accuracy.
Such as China Patent No. ZL 201020218895.3, the utility model of entitled " gamma spectrometer sample testing frame " is special
Profit, discloses a kind of gamma spectrometer sample testing frame, including upper and lower base, and upper and lower base is in annular, is erected on lower bottom base
At least two fix bars upwardly extended directly are uniformly arranged, being uniformly arranged at least two vertically on upper bed-plate extends downwardly
Sleeve pipe, sleeve pipe and fix bar, which coordinate, to be set in together, and being all respectively cooperating with suit in the bottom of every fix bar sets packing ring,
The external diameter of packing ring is identical with the external diameter of sleeve pipe, and the height of two packing rings is identical.This testing jig can only simply put gamma ray spectrometer sample
Tank, and adjustment structure is also very simple, and very impracticable, be particularly due to gamma ray spectrometer sample jar needs low temperature to take care of usually, when
Just sample jar is taken out during test and is placed on testing jig, ray is directed at the probe of gamma ray spectrometer, because sample jar is low temperature shape
State, and air is normal temperature state, the moisture content in air is high, and can haze condensation in the outer surface of sample jar immediately, dew stream
The probe for also affecting gamma ray spectrometer and inner chamber are dropped down, is polluted.
The content of the invention
The technical problem to be solved in the invention is to overcome the gamma spectrometer sample testing frame structure of prior art too simple,
It is very impracticable, it can not especially overcome gamma ray spectrometer sample jar outer surface to haze condensation, have influence on probe and the inner chamber of gamma ray spectrometer,
The defect polluted there is provided it is a kind of it is easy to adjust it is fine, can prevent that gamma ray spectrometer sample jar outer surface from hazing the gamma ray spectrometer of condensation
Sample testing frame.
The purpose of the present invention is achieved by following technical proposals：Gamma spectrometer sample testing with self-cleaning function
Frame, including upper bed-plate and lower bottom base, upper bed-plate and lower bottom base are connected by height adjustment mechanism, and there is through hole at the center of lower bottom base,
The diameter of through hole is adapted with the probe external diameter of gamma ray spectrometer, and there are the open-work that can directly penetrate γ light, upper bottom in upper bed-plate center
The periphery of seat is connected with temperature isolation layer, and the internal diameter of temperature isolation layer is more than the external diameter of gamma ray spectrometer sample jar.
The lower bottom base of gamma spectrometer sample testing frame is put on gamma ray spectrometer testboard, the through hole at lower bottom base center is enclosed on γ
On the probe of spectrometer, gamma ray spectrometer sample jar is placed in the middle part of upper bed-plate, and the ray from gamma ray spectrometer sample pot bottom is by upper
The open-work of base is impinged upon on probe, and gamma ray spectrometer carries out test frequency spectrum and intensity automatically；Upper bed-plate is adjusted by height adjustment mechanism
With the distance of probe；Due to there is temperature isolation layer, the outer surface due to gamma ray spectrometer sample jar can be avoided due to low temperature
The condensation that hazes pollution probe.
Preferably, temperature isolation layer is columnar double-decker, the outer layer inner surface of double-decker is lined with heat-insulated material
Material, the internal layer of double-decker is made up of heat-transfer metal material, and annular top cover is arranged at the top of double-decker, and the lower surface of top cover is lined with
Heat-barrier material, heat-barrier material is made up of foamed plastic；Place rubble ice or dry ice in the hollow part of double-decker.In double-decker
Hollow part rubble ice or dry ice is placed to reduce temperature so that the temperature of upper bed-plate upper space and gamma ray spectrometer sample jar
It is close, lowers the vapour content in the position air in advance, eliminates the root for the condensation that hazes.
Preferably, it is two halves that cylindrical double structure is split, wherein first semicircular cylinder is with being fixed on turning for upper bed-plate
Dynamic post rotates connection, and second semicircular cylinder is fixed on upper bed-plate, and two semicircular cylinders turn into a complete cylinder after closing up
Shape structure, the split position of two semicircular cylinders is lined with felt.It is split to be easy to gamma ray spectrometer sample jar to insert temperature isolation layer for two halves
Within and be directed at the open-work of upper bed-plate.
Preferably, the exterior bottom of temperature isolation layer is connected with water discharging valve；Upper bed-plate is located at temperature isolation layer inner side
The upper surface at position, which has, lays drier in annular deep gouge, annular deep gouge, the drier is discoloration silica gel.Water discharging valve is profit
In the water discharge after rubble ice thawing, change colour absorbed on silica gel steam.
Preferably, temperature isolation layer is cylindrical shape single layer structure, the outside lower end part of single layer structure is symmetrically connected
There are two air intake valves, air intake valve is connected with the pressure gas source provided with drying device.Pressure is dried in dry pressure gas source input
Power air scavenging can energy product gamma ray spectrometer sample jar surface fog.
Preferably, the temperature isolation layer is made by flexible blanket sleeve；Blanket sleeve can be enclosed on by elastic force
Gamma ray spectrometer sample jar outer surface to be measured.Blanket sleeve heat-insulation and heat-preservation（It is cold）, surface will not haze, on gamma ray spectrometer sample jar surface
Humid air can be isolated by putting blanket sleeve.
Preferably, height adjustment mechanism includes some screwed pipes being uniformly connected between upper bed-plate and lower bottom base, spiral shell
Pipe includes the screw thread of the upper screwed pipe being fixedly connected with upper bed-plate and the lower screwed pipe being fixedly connected with lower bottom base, upper screwed pipe and lower screwed pipe
Rotation direction is identical but pitch is different, and upper screwed pipe and lower screwed pipe are connected by double threaded screw, the screw thread at double threaded screw two
Respectively with the screw thread or the threaded adapter of lower screwed pipe of upper screwed pipe.Because upper bed-plate and lower bottom base be not rotatable, upper screwed pipe and lower screwed pipe
Also not rotatable, it is assumed that screw thread is all dextrorotation, the pitch of upper screwed pipe is p2, it is as follows), the pitch of lower screwed pipe is p1, rotate double end
Screw rod dextrorotation one week, then double threaded screw move up p relative to lower screwed pipe1, upper screwed pipe is moved downwardly relative to double threaded screw
p2, synthesis result is that upper screwed pipe only moved p relative to lower screwed pipe2-p1 , so as to reach the purpose of intense adjustment.
Preferably, height adjustment mechanism includes being fixed with guide pillar, upper bottom in the setting of casing for being connected to lower bottom base, setting of casing
Seat is connected with sleeve pipe, and upper sleeve pipe slideably coordinates with guide pillar epimere, the lower surface of upper sleeve pipe and cased upper surface it
Between mutually compressed by padding several packing rings, packing ring be provided with one group, by several highly be in Geometric Sequence relation single packing ring
Composition, the common ratio of Geometric Sequence is 2, and the height corresponding to first packing ring of Geometric Sequence first term is 0.5mm.With this group of packing ring
Difference 0.5mm arbitrary height can be combined out.
Preferably, the periphery of lower bottom base is connected with protection cylinder, the internal diameter of protection cylinder is more than the external diameter of temperature isolation layer.
Preferably, the protection cylinder position corresponding with height adjustment mechanism is provided with door.
The beneficial effects of the invention are as follows：
1st, gamma ray spectrometer sample jar appearance and its week are greatly decreased by filling refrigerant in the double-decker of temperature isolation layer
The temperature difference of side air, so as to avoid the condensation that hazes；
2nd, avoid condensing to disperse steam by being blown dry air to gamma ray spectrometer sample jar surface；
3rd, it isolates gamma ray spectrometer sample jar surface and air by covering blanket sleeve；
4th, completed by height adjustment mechanism, wherein, the distance for adjusting upper and lower base using differential thread is fine and square
Just；
5th, using the adjustment of Geometric Sequence bonded washer apart from simple and easy to do and basically reach fine;
6th, protection cylinder is with outside lower bottom base, plays dust-proof radiation proof and heat-insulated effect.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the present invention；
Fig. 2 is the temperature isolation layer of an embodiment of the present invention and the schematic top plan view of upper bed-plate；
Fig. 3 is the embodiment schematic diagram that temperature isolation layer is cylindrical shape single layer structure.
In figure, upper bed-plate 1；Open-work 11；Annular deep gouge 12；Drier 13；Lower bottom base 2；Through hole 21；Protection cylinder 22；Highly
Governor motion 3；Upper screwed pipe 31；Lower screwed pipe 32；Double threaded screw 33；Probe 4；Temperature isolation layer 5；Outer layer inner surface 51；Internal layer 52；
Top cover 53；Rubble ice 54；First semicircular cylinder 55；Rotational Cylindrical 56；Second semicircular cylinder 57；Felt 58；Air intake valve 59；γ
Spectrometer sample jar 6；Gamma ray spectrometer testboard 7；Plug 81；Socket 82；Door 9；Handle 91.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：As shown in figure 1, the gamma spectrometer sample testing frame with self-cleaning function, including upper bed-plate 1 and lower bottom base 2,
Upper bed-plate 1 and lower bottom base 2 are connected by height adjustment mechanism 3, and there are through hole 21, the diameter and γ of through hole 21 in the center of lower bottom base 2
The external diameter of probe 4 of spectrometer is adapted, and there is the open-work 11 that can directly penetrate γ light at the center of upper bed-plate 1, and the periphery of upper bed-plate 1 connects
Temperature isolation layer 5 is connected to, the internal diameter of temperature isolation layer 5 is more than the external diameter of gamma ray spectrometer sample jar 6.
The lower bottom base 2 of gamma spectrometer sample testing frame is put on gamma ray spectrometer testboard 7, the through hole 21 at the center of lower bottom base 2
It is enclosed on the probe 4 of gamma ray spectrometer, gamma ray spectrometer sample jar 6 is placed in the middle part of upper bed-plate 1, from the bottom of gamma ray spectrometer sample jar 6
Ray is impinged upon on probe 4 by the open-work 11 of upper bed-plate 1, and gamma ray spectrometer carries out test frequency spectrum and intensity automatically；Adjusted by height
Mechanism 3 adjusts the distance of upper bed-plate 1 and probe 4；Due to there is temperature isolation layer 5, it can avoid due to gamma ray spectrometer sample jar
6 outer surface hazes to condense due to low temperature pollutes probe 4.
Temperature isolation layer 5 is columnar double-decker, and the outer layer inner surface 51 of double-decker is lined with heat-barrier material, double-deck
The internal layer 52 of structure is made up of heat-transfer metal material, and annular top cover 53 is arranged at the top of double-decker, and the lower surface of top cover 53 is lined with
Heat-barrier material, heat-barrier material is made up of foamed plastic；Place rubble ice 54 or dry ice in the hollow part of double-decker.In bilayer knot
Place rubble ice or dry ice to reduce temperature in the hollow part of structure so that the temperature of the upper space of upper bed-plate 1 and gamma ray spectrometer sample
Tank 6 is close, and lowers the vapour content in the position air in advance, to eliminate the root of condensation of hazing, the method be " with
Cold refrigeration " reaches antifog purpose.
Split cylindrical double structure is two halves, wherein Rotational Cylindrical 56 of first semicircular cylinder 55 with being fixed on upper bed-plate 1
Connection is rotated, the bottom of first semicircular cylinder 55 is that closing is sealed in other words, and second semicircular cylinder 57 is fixed on bottom
Seat 1 on, two semicircular cylinders close up later turn into one completely it is columnar structured, the split position of two semicircular cylinders is lined with felt
58.It is split to be easy to gamma ray spectrometer sample jar 6 to insert within temperature isolation layer 5 for two halves and be directed at the open-work 11 of upper bed-plate 1, such as Fig. 2
It is shown.
The exterior bottom of temperature isolation layer 5 is connected with water discharging valve, and water discharging valve is the socket of a jack shape, drainpipe
A plug 81 is connected, plug 81 at the cooperation of socket 82 with there are O-ring seals, and the oral area of socket has screw thread to connect spiral shell
Plug, uses plug screw seal socket when not discharging water；There is annular deep gouge 12 upper surface that upper bed-plate 1 is located at temperature isolation 5 inside line of layer,
Drier 13 is laid in annular deep gouge 12, the drier is discoloration silica gel.Water discharging valve is easy for the water after rubble ice melts
Discharge, change colour absorbed on silica gel steam, absorbs its color change after steam and reminds staff to dry discoloration silica gel again.
Height adjustment mechanism 3 includes some screwed pipes being uniformly connected between upper bed-plate 1 and lower bottom base 2, and screwed pipe includes
The upper screwed pipe 31 being fixedly connected with upper bed-plate 1 and the lower screwed pipe 32 being fixedly connected with lower bottom base 2, upper screwed pipe 31 and lower screwed pipe 32
Thread rotary orientation is identical but pitch is different, and upper screwed pipe 31 and lower screwed pipe 32 are connected by double threaded screw 33, double threaded screw
The screw thread or the threaded adapter of lower screwed pipe 32 of the screw thread at 33 two respectively with upper screwed pipe 31.Because upper bed-plate 1 and lower bottom base 2 can not turn
Dynamic, upper screwed pipe 31 and lower screwed pipe 32 be not also rotatable, it is assumed that screw thread is all dextrorotation, and the pitch of upper screwed pipe is p2, it is as follows), under
The pitch of screwed pipe is p1, double threaded screw dextrorotation one week is rotated, then double threaded screw moves up p relative to lower screwed pipe1, upper screwed pipe phase
P is moved downwardly for double threaded screw2, synthesis result is that upper screwed pipe only moved p relative to lower screwed pipe2-p1 , such as screw rod
A diameter of 10mm, p2Equal to 1.5mm, p1Equal to 1.25mm, then upper screwed pipe relative to lower screwed pipe only moved 1.5-1.25=
0.25mm, upper screwed pipe only moved 0.125mm. to reach intense adjustment relative to lower screwed pipe if only half-turn is rotated
Purpose, and reach the purpose for being easily worked screw thread.
The periphery of lower bottom base 2 is connected with protection cylinder 22, and the internal diameter of protection cylinder 22 is more than the external diameter of temperature isolation layer 5.
The position corresponding with height adjustment mechanism 3 of protection cylinder 22 is provided with door 9, door 9 and is connected with handle 91, the quantity of door
Quantity with double threaded screw is corresponding.
Embodiment 2：Temperature isolation layer 5 is cylindrical shape single layer structure, and the outside lower end part of single layer structure is symmetrically connected
There are two air intake valves 59, air intake valve 59 is connected with the pressure gas source provided with drying device.Dry pressure gas source input is dry
Dry pressure air blow down can energy product gamma ray spectrometer sample jar surface fog, as shown in figure 3, remaining structure be the same as Example 1.
Embodiment 3：The temperature isolation layer is made by flexible blanket sleeve；Blanket sleeve can be enclosed on by elastic force and treat
The gamma ray spectrometer sample jar outer surface of survey.Blanket sleeve thermal conductivity factor is small, heat-insulation and heat-preservation（It is cold）Performance is good, and surface will not haze, in γ
Spectrometer sample jar surface, which puts blanket sleeve, can isolate humid air, and blanket sleeve bond properties is good, high resilience, make and hold
Easily.Remaining structure be the same as Example 1.
Embodiment 4：Height adjustment mechanism includes being fixed with guide pillar, upper bottom in the setting of casing for being connected to lower bottom base, setting of casing
Seat is connected with sleeve pipe, and upper sleeve pipe slideably coordinates with guide pillar epimere, the lower surface of upper sleeve pipe and cased upper surface it
Between mutually compressed by padding several packing rings, packing ring be provided with one group, by several highly be in Geometric Sequence relation single packing ring
Composition, the common ratio of Geometric Sequence is 2, and the height corresponding to first packing ring of Geometric Sequence first term is 0.5mm.With this group of packing ring
Difference 0.5mm arbitrary height can be combined out.Remaining structure be the same as Example 1 or 2 or 3.
Gamma spectrometer sample testing frame of the invention with self-cleaning function, gamma ray spectrometer sample jar appearance is avoided with temperature isolation layer
Face hazes the accurate convenient advantage of distance adjustment of condensation, gamma ray spectrometer sample jar and probe.If those skilled in the art is right
Foregoing invention content makees simple modifications or substitutions, and such change is not to be regarded as a departure from the scope of the present invention, it is all so
Modification obvious to those skilled in the art is included within the scope of the claim of the present invention.
Claims (5)
1. a kind of gamma spectrometer sample testing frame with self-cleaning function, including upper bed-plate and lower bottom base, it is characterized in that, upper bed-plate and
Lower bottom base is connected by height adjustment mechanism, and there are through hole, the diameter of through hole and the probe external diameter phase of gamma ray spectrometer in the center of lower bottom base
There is an open-work that can directly penetrate γ light at adaptation, upper bed-plate center, and the periphery of upper bed-plate is connected with temperature isolation layer, temperature every
The internal diameter of absciss layer is more than the external diameter of gamma ray spectrometer sample jar；The temperature isolation layer is columnar double-decker, double-decker
Outer layer inner surface is lined with heat-barrier material, and the internal layer of double-decker is made up of heat-transfer metal material, and annular is arranged at the top of double-decker
Top cover, the lower surface of top cover is lined with heat-barrier material, and heat-barrier material is made up of foamed plastic, and the hollow part of double-decker places broken
Ice cube or dry ice；The split cylindrical double structure is two halves, wherein rotation of first semicircular cylinder with being fixed on upper bed-plate
Post rotates connection, and second semicircular cylinder is fixed on upper bed-plate, and two semicircular cylinders turn into a complete cylindrical shape after closing up
Structure, the split position of two semicircular cylinders is lined with felt, and the exterior bottom of temperature isolation layer is connected with water discharging valve；Upper bed-plate position
Have in the upper surface of temperature isolation layer inside line and drier is laid in annular deep gouge, annular deep gouge, the drier is discoloration
Silica gel.
2. the gamma spectrometer sample testing frame according to claim 1 with self-cleaning function, it is characterized in that, height adjustment mechanism bag
Include uniform some screwed pipes being connected between upper bed-plate and lower bottom base, screwed pipe include the upper screwed pipe being fixedly connected with upper bed-plate and
The lower screwed pipe being fixedly connected with lower bottom base, upper screwed pipe is identical with the thread rotary orientation of lower screwed pipe but pitch is different, upper screwed pipe and
Lower screwed pipe is connected by double threaded screw, the screw thread or the screw thread of lower screwed pipe of the screw thread at double threaded screw two respectively with upper screwed pipe
Adaptation.
3. the gamma spectrometer sample testing frame according to claim 1 with self-cleaning function, it is characterized in that, height adjustment mechanism bag
Include and guide pillar be fixed with the setting of casing for being connected to lower bottom base, setting of casing, upper bed-plate is connected with sleeve pipe, upper sleeve pipe slideably with
Guide pillar epimere coordinates, and is mutually compressed between the lower surface of upper sleeve pipe and cased upper surface by padding several packing rings, packing ring
Provided with one group, highly it is made up of several in the single packing ring of Geometric Sequence relation, the common ratio of Geometric Sequence is 2, corresponding to etc.
Height than first packing ring of ordered series of numbers first term is 0.5mm.
4. the gamma spectrometer sample testing frame according to claim 2 with self-cleaning function, it is characterized in that, the periphery of lower bottom base connects
Protection cylinder is connected to, the internal diameter of protection cylinder is more than the external diameter of temperature isolation layer.
5. the gamma spectrometer sample testing frame according to claim 4 with self-cleaning function, it is characterized in that, protection cylinder is adjusted with height
Save the corresponding position of mechanism and be provided with door.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510180445.7A CN104834000B (en) | 2015-04-16 | 2015-04-16 | Gamma spectrometer sample testing frame with self-cleaning function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180445.7A CN104834000B (en) | 2015-04-16 | 2015-04-16 | Gamma spectrometer sample testing frame with self-cleaning function |
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| CN104834000A CN104834000A (en) | 2015-08-12 |
| CN104834000B true CN104834000B (en) | 2017-10-20 |
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Families Citing this family (1)
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| CN105425278A (en) * | 2015-12-10 | 2016-03-23 | 天津普达软件技术有限公司 | Fine adjustment device for rock core gamma measuring instrument |
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|---|---|---|---|---|
| CN201480956U (en) * | 2009-08-24 | 2010-05-26 | 浙江大学 | Thermal-insulation bottle sleeve |
| CN201732168U (en) * | 2010-06-08 | 2011-02-02 | 中国人民解放军63653部队 | Gamma spectrometer sample testing frame |
| CN202365122U (en) * | 2011-11-29 | 2012-08-08 | 韩红 | Thermal insulation bag |
| CN202710009U (en) * | 2012-07-12 | 2013-01-30 | 浙江远景铝业有限公司 | Thickness monitoring device preventing dew formation |
| CN204705720U (en) * | 2015-04-16 | 2015-10-14 | 舟山出入境检验检疫局综合技术服务中心 | A kind of gamma spectrometer sample testing frame with self-cleaning function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2507172A1 (en) * | 1975-02-20 | 1976-09-02 | Kernforschung Gmbh Ges Fuer | MOBILE MEASURING SYSTEM FOR RADIOACTIVELY MARKED WEAR PARTS |
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2015
- 2015-04-16 CN CN201510180445.7A patent/CN104834000B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201480956U (en) * | 2009-08-24 | 2010-05-26 | 浙江大学 | Thermal-insulation bottle sleeve |
| CN201732168U (en) * | 2010-06-08 | 2011-02-02 | 中国人民解放军63653部队 | Gamma spectrometer sample testing frame |
| CN202365122U (en) * | 2011-11-29 | 2012-08-08 | 韩红 | Thermal insulation bag |
| CN202710009U (en) * | 2012-07-12 | 2013-01-30 | 浙江远景铝业有限公司 | Thickness monitoring device preventing dew formation |
| CN204705720U (en) * | 2015-04-16 | 2015-10-14 | 舟山出入境检验检疫局综合技术服务中心 | A kind of gamma spectrometer sample testing frame with self-cleaning function |
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