CN114002046A - Source manufacturing device - Google Patents
Source manufacturing device Download PDFInfo
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- CN114002046A CN114002046A CN202111184077.5A CN202111184077A CN114002046A CN 114002046 A CN114002046 A CN 114002046A CN 202111184077 A CN202111184077 A CN 202111184077A CN 114002046 A CN114002046 A CN 114002046A
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- Prior art keywords
- adsorber
- liquid
- source
- pipeline
- liquid outlet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Abstract
The utility model relates to a source making device, including the adsorber that is arranged in adsorbing the target nuclide in the radioactive solution, the liquid inlet pipe way of the inlet of selective connection adsorber and the drain pipe way of the liquid outlet of selective connection adsorber, be equipped with the plunger pump on the liquid inlet pipe way to the radioactive solution of adsorber input, be equipped with the vacuum pump on the drain pipe way, source making device still includes the air inlet pipe way with atmosphere intercommunication that selective connection liquid inlet. Thus, the radioactive solution is input into the adsorber through the plunger pump, when the radioactive solution passes through the adsorber, the vacuum pump is started, the radioactive solution passes through the adsorber gradually and slowly under the action of vacuum, and at the moment, external air enters the adsorber through the air inlet pipeline to promote water evaporation, so that the aim of drying is fulfilled. Therefore, the source preparation equipment can quickly prepare the radioactive surface source, greatly reduces the irradiated dose and the labor intensity of operators, and improves the source preparation speed and the consistency among the radioactive surface sources.
Description
Technical Field
The present disclosure relates to the field of radioactivity analysis technology, and in particular, to a source manufacturing device.
Background
In nuclear parameter measurement and other radioactive analyses of radionuclides, the measurement generally includes steps such as radioactive separation of target nuclides, source preparation, and radioactivity measurement. The radioactive solution separated and purified by the two methods usually has large volume and low concentration, does not meet the requirement of radioactive measurement, needs to be further concentrated to prepare a surface source or a point source of a thin substrate so as to carry out relative or absolute accurate measurement of radioactive intensity, and the measurement source is required to be thin and uniform and has certain mechanical strength and chemical stability.
The traditional preparation method is to adopt a filter paper sheet as a bottom lining, to drop radioactive solution on the substrate through manual operation of experimenters, to continue dropping after slow drying until all the solution is adsorbed on a source sheet. The whole process is long in time consumption, high in radioactive operation intensity, poor in source preparation consistency and not suitable for short-life nuclides. At present, no automatic source manufacturing device capable of simultaneously manufacturing a plurality of thin-substrate radioactive sources exists in China.
Disclosure of Invention
The source manufacturing device can quickly manufacture the radioactive surface source, greatly reduce the irradiated dose and labor intensity of operators, and improve the source manufacturing speed and the consistency among the radioactive surface sources.
In order to achieve the above object, the present disclosure provides a source-making device, including an adsorber for adsorbing a target nuclide in a radioactive solution, a liquid inlet pipe selectively connected to a liquid inlet of the adsorber, and a liquid outlet pipe selectively connected to a liquid outlet of the adsorber, wherein a plunger pump is disposed on the liquid inlet pipe to input the radioactive solution to the adsorber, a vacuum pump is disposed on the liquid outlet pipe, and the source-making device further includes a gas inlet pipe selectively connected to the liquid inlet and communicated with the atmosphere.
Optionally, the device further comprises a rotating table capable of rotating around a rotating shaft, a plurality of stations for placing the adsorbers are arranged on the rotating table at intervals along the circumferential direction, the air inlet pipeline is connected to the liquid inlet pipeline, the tail ends of the liquid inlet pipeline and the liquid outlet pipeline are respectively connected with an electric clamping jaw,
when one of the stations rotates to the adsorption position, the two electric clamping jaws respectively clamp the adsorbers located at the adsorption position, so that the liquid inlet pipeline is connected to the liquid inlet, and the liquid outlet pipeline is connected to the liquid outlet.
Optionally, the air inlet pipeline is connected to the liquid inlet pipeline and located between the liquid inlet and the plunger pump, and at least one air dryer is arranged on the air inlet pipeline.
Optionally, a liquid storage tank is arranged on the liquid outlet pipeline, and the liquid storage tank is located between the liquid outlet and the vacuum pump.
Optionally, a blowing pipeline is arranged on the liquid outlet pipeline and located between the liquid storage tank and the vacuum pump, and a positive pressure pump is arranged on the blowing pipeline.
Optionally, the air intake pipeline and the blowing pipeline are respectively provided with an electromagnetic valve.
Optionally, in the liquid outlet direction, a waste liquid tank is connected to the downstream of the liquid storage tank.
Optionally, a sample cell is connected upstream of the plunger pump in the feed direction.
Optionally, the adsorber comprises a lower tank for placing a solid phase extraction sheet, a cover body covering the lower tank, and a fixing clamp for connecting the lower tank and the cover body.
Optionally, the device further comprises a controller electrically connected to the plunger pump, the rotary table and the electric gripper, respectively.
Through the technical scheme, the radioactive solution is input into the adsorber through the plunger pump, when the radioactive solution passes through the adsorber, the vacuum pump is started, the radioactive solution gradually and slowly passes through the adsorber under the action of vacuum, anions are adsorbed on the anion solid-phase extraction sheet, and at the moment, external air enters the adsorber through the air inlet pipeline to promote water evaporation and achieve the aim of drying. Therefore, the source manufacturing equipment provided by the disclosure can quickly prepare the radioactive surface source, and greatly reduces the irradiated dose and labor intensity of operators, so that the source manufacturing speed and the consistency among the radioactive surface sources are improved.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic diagram of a source device provided in an exemplary embodiment of the present disclosure.
Description of the reference numerals
1 adsorber 2 plunger pump
3 vacuum pump 4 rotating platform
5 electric gripper 6 air dryer
7 liquid storage tank 8 positive pressure pump
9 waste liquid tank 10 sample cell
11 solenoid valve
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, where directional terms such as "upper" and "lower" are used in relation to actual usage of the relevant components, and "inner" and "outer" are used in relation to the profiles of the respective components, unless otherwise indicated, the following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements.
Referring to fig. 1, the present disclosure provides a source-making device, which includes an adsorber 1 for adsorbing a target nuclide in a radioactive solution, a liquid inlet pipe selectively connected to a liquid inlet of the adsorber 1, and a liquid outlet pipe selectively connected to a liquid outlet of the adsorber 1, wherein a plunger pump 2 is disposed on the liquid inlet pipe for inputting the radioactive solution to the adsorber 1, a vacuum pump 3 is disposed on the liquid outlet pipe, and the source-making device further includes a gas inlet pipe selectively connected to the liquid inlet and communicated with the atmosphere. In the embodiment of the disclosure, the flow range of the plunger pump 2 is 0.5-30 mL/min, and the precision of the plunger pump 2 is less than or equal to +/-5%. In addition, different solid-phase extraction sheets can be placed in the adsorber 1 according to the properties of the radioactive nuclide, when the radioactive solution passes through the adsorber 1, the target nuclide is selectively adsorbed on the solid-phase extraction sheets, and after the device is operated, the solid-phase extraction sheets are removed, so that the radioactive area source can be obtained.
Through the technical scheme, the radioactive solution is input into the adsorber 1 through the plunger pump 2, when the radioactive solution passes through the adsorber 1, the vacuum pump 3 is started, the radioactive solution gradually and slowly passes through the adsorber 1 under the action of vacuum, anions are adsorbed on the anion solid-phase extraction sheet, and at the moment, external air enters the adsorber 1 through the air inlet pipeline to promote water evaporation and achieve the purpose of drying. Therefore, the source manufacturing equipment provided by the disclosure can quickly prepare the radioactive surface source, and greatly reduces the irradiated dose and labor intensity of operators, so that the source manufacturing speed and the consistency among the radioactive surface sources are improved.
As an exemplary embodiment of the present disclosure, referring to fig. 1, the source manufacturing apparatus may further include a rotating table 4 rotatable around the rotating shaft, the rotating table 4 is arranged with a plurality of stations for placing the adsorbers 1 at intervals along the circumferential direction, and in the embodiment of the present disclosure, four stations are arranged on the rotating table 4 and are uniformly arranged along the circumferential direction. As shown in fig. 1, the air inlet pipeline may be connected to the liquid inlet pipeline, and the ends of the liquid inlet pipeline and the liquid outlet pipeline are respectively connected with an electric clamping jaw 5, wherein the source preparation device has an adsorption position, when one of the stations rotates to the adsorption position, the rotation stage 4 stops rotating, the two electric clamping jaws 5 respectively clamp the adsorber 1 located at the adsorption position, so that the liquid inlet pipeline is connected to the liquid inlet, the liquid outlet pipeline is connected to the liquid outlet, and sealed connection is achieved, after the preparation of the radioactive surface source is completed, the electric clamping jaws 5 are opened, the rotation stage 4 can rotate by 45 °, the anion solid-phase extraction sheet completed by source preparation is manually taken down, and subsequent radioactivity measurement is performed, and at this time, the next station rotates to the adsorption position to perform surface source preparation, and so on. The source preparation device can rapidly prepare a plurality of radioactive area sources from a large-volume radioactive solution, and improves the source preparation speed and the consistency among the radioactive area sources. Specifically, the rotating table 4 may be an indexing disc, and the indexing disc rotates a circle by about 180 tens of thousands of steps, and the position accuracy is not affected by the loss of error or the addition of a small number of steps during rotation.
In other embodiments, the liquid inlet pipe may be connected to the air inlet pipe, at this time, the end of the air inlet pipe is required to be provided with the connecting electric clamping jaws 5, and then the air inlet pipe is connected to the liquid inlet through the electric clamping jaws 5, or the liquid inlet pipe and the air inlet pipe may be also independently provided, the ends of the two pipes may be connected to the electric clamping jaws 5, and the two electric clamping jaws 5 connect the liquid inlet pipe and the air inlet pipe to the liquid inlet respectively.
According to an embodiment of the present disclosure, referring to fig. 1, the air intake pipeline is connected to the liquid inlet pipeline and located between the liquid inlet and the plunger pump 2, the air intake pipeline may be provided with at least one air dryer 6, after the radioactive solution passes through the adsorber 1, the external air is filtered by the air dryer 6 and then enters the solid phase extraction sheet, so as to continuously take away the moisture, and further achieve drying.
Specifically, referring to fig. 1, a liquid storage tank 7 may be disposed on the liquid outlet pipeline, the liquid storage tank 7 is located between the liquid outlet and the vacuum pump 3, and when the radioactive solution passes through the adsorber 1, the waste liquid can flow into the liquid storage tank 7 under the action of the vacuum pump 3.
Further, referring to fig. 1, a blowing pipeline may be disposed on the liquid outlet pipeline, the blowing pipeline is located between the liquid storage tank 7 and the vacuum pump 3, and the blowing pipeline is provided with a positive pressure pump 8, after the vacuum operation is completed, the vacuum pump 3 is turned off, and the positive pressure pump 8 is turned on to blow air to the adsorber 1, so as to perform a further drying function.
According to some embodiments, the air intake pipe and the air blowing pipe may be respectively provided with an electromagnetic valve 11 to respectively control the on and off of the air intake pipe and the air blowing pipe. Initially, the air inlet pipeline is in a disconnected state, and when the plunger pump 2 stops working, the air inlet pipeline is conducted through the electromagnetic valve 11 on the air inlet pipeline so as to dry the solid-phase extraction sheet in the adsorber; in addition, when the vacuum pump 3 is in operation, the blowing pipe is in an off state, and after the vacuum pump 3 stops operating, the blowing pipe can be conducted through the electromagnetic valve 11 on the blowing pipe to further dry the solid-phase extraction sheet.
Further, as shown in fig. 1, in the liquid outlet direction, the downstream of the liquid storage tank 7 may be connected with a waste liquid tank 9, and after the waste liquid in the liquid storage tank 7 reaches a certain volume, a valve may be opened to allow the waste liquid to flow into the waste liquid tank 9, and the liquid storage tank 7 may be emptied, so as to facilitate the collection and disposal of the waste liquid.
Still further, as shown in fig. 1, a sample cell 10 may be connected upstream of the plunger pump 2 in the liquid feeding direction, the sample cell 10 is used for containing the radioactive solution, and the radioactive solution in the sample cell 10 may be transported to the adsorber 1 by the plunger pump 2.
The adsorber 1 may be constructed in any suitable manner. In the embodiment of the present disclosure, the adsorber 1 may include a lower tank for placing the solid phase extraction sheet, a cover covering the lower tank, and a fixing clip for connecting the lower tank and the cover, wherein the central portion of the lower tank is made of G4 glass sand, different solid phase extraction sheets are placed in the lower tank according to the properties of radionuclides, and when the radioactive solution passes through the adsorber 1, the target nuclides are selectively adsorbed on the solid phase extraction sheets. The absorber 1 is used for absorbing and concentrating target nuclide in radioactive solution, and the groove and the cover body are tightly combined under the action of the fixing clamp, so that the tightness of the device can be ensured.
As an exemplary embodiment of the present disclosure, the source device may further include a controller electrically connected to the plunger pump 2, the rotary table 4, and the electric clamp 5, respectively. In the embodiment of the disclosure, the control software is edited by the PLC, a man-machine interaction interface is designed, parameters such as the rotating speed of the rotating platform 4, the flow rate of the plunger pump 2, the source production quantity and the like can be set on the interface, the running state of the device can be displayed, and an alarm and an emergency stop can be given in abnormal states.
The source preparation device works as follows, 10mL of the sample containing solution is added into the sample cell 1067An anion solid phase extraction sheet is placed on the adsorber 1 as a radioactive solution of Ga. The controller is turned on, the speed of the rotating platform 4 is set to be low, the flow rate of the plunger pump 2 is set to be 0.03mL/min, and each suction is carried outThe volume of the solution passed through the vessel 1 was 2 mL. Taking the example that four stations are arranged on the rotary table 4, the four stations correspond to four zero positions in the control software, the rotary table 4 is started, the rotary table stops working when the rotary table rotates to the zero positions and triggers the electric clamping jaws 5 to work, when a set torque is reached, the air cylinders of the electric clamping jaws 5 stop working, at the moment, under the action of the plunger pump 2 and the vacuum pump 3, the radioactive solution gradually drops and slowly passes through the adsorber 1,67ga is adsorbed on an anion solid-phase extraction sheet, waste liquid enters a liquid storage tank 7, after the waste liquid reaches a set volume, the plunger pump 2 is controlled to stop working, the solid-phase extraction sheet is dried through an air dryer 6, after drying is completed, the controller controls the electric clamping jaw 5 to be opened, the rotating table 4 rotates by 45 degrees, and then preparation of the radioactive surface source is completed. By the mode, the automatic source manufacturing device for the plurality of radioactive area sources can be automatically prepared at the same time, the time consumption of the whole process is short, and the source manufacturing consistency is high.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The source preparation device is characterized by comprising an adsorber (1) for adsorbing target nuclide in radioactive solution, a liquid inlet pipeline selectively connected to a liquid inlet of the adsorber (1), and a liquid outlet pipeline selectively connected to a liquid outlet of the adsorber (1), wherein a plunger pump (2) is arranged on the liquid inlet pipeline to input the radioactive solution into the adsorber (1), a vacuum pump (3) is arranged on the liquid outlet pipeline, and the source preparation device further comprises a gas inlet pipeline which is selectively connected to the liquid inlet and communicated with the atmosphere.
2. The source-making device according to claim 1, characterized in that it further comprises a rotating platform (4) capable of rotating around a rotating shaft, said rotating platform (4) is circumferentially provided with a plurality of stations for placing said adsorbers (1), said air inlet pipeline is connected to said liquid inlet pipeline, the ends of said liquid inlet pipeline and said liquid outlet pipeline are respectively connected with an electric clamping jaw (5),
when one of the stations rotates to the adsorption position, the two electric clamping jaws (5) respectively clamp the adsorber (1) located at the adsorption position, so that the liquid inlet pipeline is connected to the liquid inlet, and the liquid outlet pipeline is connected to the liquid outlet.
3. The source apparatus according to claim 1 or 2, characterized in that the air inlet line is connected to the liquid inlet line between the liquid inlet and the plunger pump (2), and that at least one air dryer (6) is provided on the air inlet line.
4. The source apparatus according to claim 1 or 2, wherein a liquid storage tank (7) is arranged on the liquid outlet pipe, and the liquid storage tank (7) is located between the liquid outlet and the vacuum pump (3).
5. The source device according to claim 4, wherein a blowing pipeline is arranged on the liquid outlet pipeline, the blowing pipeline is positioned between the liquid storage tank (7) and the vacuum pump (3), and a positive pressure pump (8) is arranged on the blowing pipeline.
6. Source according to claim 5, characterized in that the air inlet pipe and the blowing pipe are provided with solenoid valves (11), respectively.
7. The source production apparatus according to claim 4, wherein a waste liquid tank (9) is connected downstream of the liquid storage tank (7) in the liquid outlet direction.
8. The source apparatus according to claim 1, characterized in that a sample cell (10) is connected upstream of the plunger pump (2) in the feed direction.
9. The source apparatus according to claim 1, wherein the adsorber (1) comprises a lower tank for holding a solid phase extraction sheet, a cover body covering the lower tank, and a fixing clip for connecting the lower tank and the cover body.
10. Source device according to claim 2, characterized in that it further comprises a controller electrically connected to the plunger pump (2), the rotary table (4) and the electric gripper (5), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111184077.5A CN114002046A (en) | 2021-10-11 | 2021-10-11 | Source manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111184077.5A CN114002046A (en) | 2021-10-11 | 2021-10-11 | Source manufacturing device |
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|---|---|
| CN114002046A true CN114002046A (en) | 2022-02-01 |
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| CN202111184077.5A Pending CN114002046A (en) | 2021-10-11 | 2021-10-11 | Source manufacturing device |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080028830A1 (en) * | 2003-12-19 | 2008-02-07 | Wei Li | Method and System to Separate and Measure 37Ar Quickly |
| EP2093555A1 (en) * | 2008-02-05 | 2009-08-26 | The European Community, represented by the European Commission | Automatic sample clean-up system |
| JP2014048042A (en) * | 2012-08-29 | 2014-03-17 | Hitachi-Ge Nuclear Energy Ltd | Method for treating radioactive waste |
| US20150338323A1 (en) * | 2014-05-26 | 2015-11-26 | CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement | Portable system for automated preparation of liquid and/or solid samples |
| CN107643201A (en) * | 2017-10-31 | 2018-01-30 | 麦克奥迪（厦门）医疗诊断系统有限公司 | A kind of membrane type cell monolayer pelleter and its flaking method |
| CN108663262A (en) * | 2018-07-09 | 2018-10-16 | 中国工程物理研究院核物理与化学研究所 | A kind of batch suction filtration making β source devices |
| CN110064240A (en) * | 2019-05-23 | 2019-07-30 | 南京圣卡孚科技有限公司 | A kind of quick solid-liquid filtration, drying and wash mill and technique |
| CN110917658A (en) * | 2019-10-28 | 2020-03-27 | 清华大学 | Automatic strontium-90 discharging and separating device |
| CN210269357U (en) * | 2019-05-27 | 2020-04-07 | 珠海市丽拓生物科技有限公司 | Dyeing instrument |
| CN111948011A (en) * | 2020-09-14 | 2020-11-17 | 湖北康强医疗器械有限公司 | Automatic sedimentation dyeing pelleter |
| CN211971959U (en) * | 2020-04-15 | 2020-11-20 | 南京恩特尔工程技术有限公司 | Lactic acid waste liquid treatment retrieval and utilization device |
| CN113304975A (en) * | 2021-06-10 | 2021-08-27 | 上海市计量测试技术研究院 | Preparation method and preparation device of radioactive planar reference source |
| CN113390702A (en) * | 2021-05-31 | 2021-09-14 | 烟台海关技术中心 | Radioactive strontium solid-phase extraction, sample preparation and activity measurement integrated device |
-
2021
- 2021-10-11 CN CN202111184077.5A patent/CN114002046A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080028830A1 (en) * | 2003-12-19 | 2008-02-07 | Wei Li | Method and System to Separate and Measure 37Ar Quickly |
| EP2093555A1 (en) * | 2008-02-05 | 2009-08-26 | The European Community, represented by the European Commission | Automatic sample clean-up system |
| JP2014048042A (en) * | 2012-08-29 | 2014-03-17 | Hitachi-Ge Nuclear Energy Ltd | Method for treating radioactive waste |
| US20150338323A1 (en) * | 2014-05-26 | 2015-11-26 | CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement | Portable system for automated preparation of liquid and/or solid samples |
| CN107643201A (en) * | 2017-10-31 | 2018-01-30 | 麦克奥迪（厦门）医疗诊断系统有限公司 | A kind of membrane type cell monolayer pelleter and its flaking method |
| CN108663262A (en) * | 2018-07-09 | 2018-10-16 | 中国工程物理研究院核物理与化学研究所 | A kind of batch suction filtration making β source devices |
| CN110064240A (en) * | 2019-05-23 | 2019-07-30 | 南京圣卡孚科技有限公司 | A kind of quick solid-liquid filtration, drying and wash mill and technique |
| CN210269357U (en) * | 2019-05-27 | 2020-04-07 | 珠海市丽拓生物科技有限公司 | Dyeing instrument |
| CN110917658A (en) * | 2019-10-28 | 2020-03-27 | 清华大学 | Automatic strontium-90 discharging and separating device |
| CN211971959U (en) * | 2020-04-15 | 2020-11-20 | 南京恩特尔工程技术有限公司 | Lactic acid waste liquid treatment retrieval and utilization device |
| CN111948011A (en) * | 2020-09-14 | 2020-11-17 | 湖北康强医疗器械有限公司 | Automatic sedimentation dyeing pelleter |
| CN113390702A (en) * | 2021-05-31 | 2021-09-14 | 烟台海关技术中心 | Radioactive strontium solid-phase extraction, sample preparation and activity measurement integrated device |
| CN113304975A (en) * | 2021-06-10 | 2021-08-27 | 上海市计量测试技术研究院 | Preparation method and preparation device of radioactive planar reference source |
Non-Patent Citations (3)
| Title |
|---|
| 丁有钱 等: "核设施液态流出物中90Sr的自动化放化分析系统", 《核化学与放射化学》 * |
| 孙保山 等: "137Cs,60Co大面积航空平面源的制备技术", 《宇航计测技术》 * |
| 郭景儒: "用于放射性核素测量的固相萃取片技术", 《核科学与工程》 * |
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