CN102519986A - Method suitable for electron beam radiation processing operation identification - Google Patents
Method suitable for electron beam radiation processing operation identification Download PDFInfo
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- CN102519986A CN102519986A CN2011104127578A CN201110412757A CN102519986A CN 102519986 A CN102519986 A CN 102519986A CN 2011104127578 A CN2011104127578 A CN 2011104127578A CN 201110412757 A CN201110412757 A CN 201110412757A CN 102519986 A CN102519986 A CN 102519986A
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Abstract
The invention discloses a method suitable for electron beam radiation processing operation identification. The method comprises the steps of: (1) preparing 3 groups of equivalent-density simulation materials; (2) placing dose tablets in the simulation materials; (3) disposing a routine dosimeter in a specific place of the simulation material; ( 4 ) subjecting the 3 groups of simulation materials to electron beam irradiation; ( 5) reading the values of each group of the dose tablets and the routine dosimeter, and calculating related proportional coefficients; and (6 ) calculating the average value of dose distribution of all dose tablets on one layer of the 3 groups of simulation materials, and drawing a dose depth distribution map. The method of the invention solves the problems of poor uniformity of simulation materials, great uncertainty of depth dose distribution, large errors in the obtained proportional coefficients between the routine dosimeter and a maximum, minimum dose.
Description
Technical field
The present invention relates to a kind of method that is applicable to that electron beam irradiation processing operation is identified, belonged to the radiation processing technology field.
Background technology
In the RADIATION PROCESSING field; Utilize the simulation material of equivalent density to do operation and identify, measure that the depth dose of material to be processed distributes is a requisite process, can cross to RADIATION PROCESSING technology according to the correlation parameter of the simulation material that measures provides reliable foundation.
The more existing method more complicated that simulation material is done the operation evaluation, fathomed and distribute; Precision is not high, can not be well for RADIATION PROCESSING technology provide reliable foundation, and existing these methods; In measuring, maximum, minimum dose distributes and need remeasure again next time.
Summary of the invention
Technical matters to be solved by this invention provides a kind of method that is applicable to that electron beam irradiation processing operation is identified; Only need measure a spot of data; And make simple mean value calculation according to these data; Just can draw the depth dose distribution plan,, and for measurement next time scale-up factor is provided according to the dose distribution of routine dose meter and the ratio maximum, that minimum dose distributes for RADIATION PROCESSING technology provides reliable foundation.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopted is:
A kind of method that is applicable to that electron beam irradiation processing operation is identified is characterized in that: comprise the steps:
(1) prepares 3 groups of equivalence density simulation materials;
(2) in simulation material, highly every interval 4cm places one group of dosage lamella, and the level interval between adjacent two dosage sheets of same group of dosage lamella is 20cm;
(3) place the routine dose meter at an ad-hoc location on simulation material surface;
(4) 3 groups of simulation materials are passed through electron beam irradiation;
(5) utilize the ultraviolet spectrometry thermometer to read the numerical value on each dosage sheet and the routine dose meter; And the maximum dose that calculates 3 groups of simulation materials distributes, minimum dose distributes, the mean value of the dose distribution of routine dose meter, and based on said mean value calculation maximum dose distribute, minimum dose distributes and the proportionality coefficient of the dose distribution of routine dose meter;
(6) calculate the mean value of dose distribution of all dosage sheets of the dosage lamella of 3 groups of simulation material sustained heights, obtain the dose distribution value of each layer, draw out the dosage depth profile according to the dose distribution value of said each layer.
The aforesaid method that is applicable to that electron beam irradiation processing operation is identified, it is characterized in that: the density of said simulation material is 0.25g/cm
3-0.4 g/cm
3
The aforesaid method that is applicable to that electron beam irradiation processing operation is identified, it is characterized in that: said simulation material is a kind of expanded material of inorganic oxide.
The invention has the beneficial effects as follows:
1, only need measure a spot of data, and make simple mean value calculation, just can draw the depth dose distribution plan according to these data, for RADIATION PROCESSING technology provides reliable foundation, simple to operate, calculating is easy, reliability is high;
2, the dose distribution according to the routine dose meter provides scale-up factor with the ratio maximum, that minimum dose distributes for measure next time; In measurement next time; Only need the routine dose meter is fixed on its dose distribution of identical position measurement; Just but the passing ratio coefficient calculations obtains maximum, the minimum dose distribution of simulation material, has simplified the measurement operation, has improved efficient.
Embodiment
To combine embodiment below, the present invention will be further described.
A kind of method that is applicable to that electron beam irradiation processing operation is identified comprises the steps:
(1) prepares 3 groups of equivalence density simulation materials;
(2) in simulation material, highly every interval 4cm places one group of dosage lamella, and the level interval between adjacent two dosage sheets of same group of dosage lamella is 20cm;
(3) place the routine dose meter in any fixed position of simulation material;
(4) 3 groups of simulation materials are passed through electron beam irradiation;
(5) utilize the ultraviolet spectrometry thermometer to read the numerical value on each dosage sheet and the routine dose meter; And the maximum dose that calculates 3 groups of simulation materials distributes, minimum dose distributes, the mean value of the dose distribution of routine dose meter, and based on said mean value calculation maximum dose distribute, minimum dose distributes and the proportionality coefficient of the dose distribution of routine dose meter;
(6) calculate the mean value of dose distribution of all dosage sheets of the dosage lamella of 3 groups of simulation material sustained heights, obtain the dose distribution value of each layer, draw out the dosage depth profile according to the dose distribution value of said each layer.
Calculate the dose distribution of differing heights layer through the method for calculating mean value, compare and only adopt single testing group, measuring accuracy is higher, the better reliability of data.And for measurement next time scale-up factor is provided with the ratio maximum, that minimum dose distributes through the dose distribution of calculating the routine dose meter; In measurement next time; Only need the routine dose meter is fixed on its dose distribution of identical position measurement; Just but the passing ratio coefficient calculations obtains maximum, the minimum dose distribution of simulation material, has simplified the measurement operation, has improved efficient.Wherein the routine dose meter can be placed on any position of the material of simulation, in measuring next time, only needs that the routine dose meter is fixed on the place identical with previous position and measures and get final product.
The density of said simulation material is 0.25g/cm
3-0.4 g/cm
3The expanded material of inorganic oxide, adopt this material as simulation material can be complete excessively measure bundle dose distribution down, for RADIATION PROCESSING technology provides more reliable foundation.
In sum; The invention provides a kind of method that is applicable to that electron beam irradiation processing operation is identified; Only need measure a spot of data; And make simple mean value calculation according to these data, just can draw the depth dose distribution plan, and for measurement next time scale-up factor is provided with the ratio maximum, that minimum dose distributes according to the dose distribution of routine dose meter.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain by appending claims and equivalent circle thereof.
Claims (3)
1. a method that is applicable to that electron beam irradiation processing operation is identified is characterized in that: comprise the steps:
(1) prepares 3 groups of equivalence density simulation materials;
(2) in simulation material, highly every interval 4cm places one group of dosage sheet, and every group is provided with two tablet amounts meters, and the level interval between adjacent two dosage sheets of same group of dosage lamella is 20cm;
(3) place the routine dose meter at an ad-hoc location on simulation material surface;
(4) 3 groups of simulation materials are passed through electron beam irradiation;
(5) utilize the ultraviolet spectrometry thermometer to read the numerical value on each group dosage sheet and the routine dose meter; Make dose distribution; And confirm maximum dose and the minimum dose site of 3 groups of simulation materials, and distribute and the proportionality coefficient of the dosage of routine dose meter based on said mean value calculation maximum dose, minimum dose site;
(6) calculate the mean value of 3 groups of simulation materials, obtain the dose distribution value of each layer, draw out the dosage depth profile according to the dose distribution value of said each layer with the dose tablet amount distribution of one deck.
2. the method that is applicable to that electron beam irradiation processing operation is identified according to claim 1, it is characterized in that: the density of said simulation material is 0.25g/cm
3-0.4 g/cm
3
3. the method that is applicable to that electron beam irradiation processing operation is identified according to claim 1 and 2, it is characterized in that: said simulation material is a kind of expanded material of inorganic oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110412757 CN102519986B (en) | 2011-12-13 | 2011-12-13 | Method suitable for electron beam radiation processing operation identification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110412757 CN102519986B (en) | 2011-12-13 | 2011-12-13 | Method suitable for electron beam radiation processing operation identification |
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| CN102519986A true CN102519986A (en) | 2012-06-27 |
| CN102519986B CN102519986B (en) | 2013-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646701A (en) * | 2018-12-28 | 2019-04-19 | 中广核达胜加速器技术有限公司 | A method of infectious medical solid waste is handled using irradiated rays |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6110318A (en) * | 1997-11-26 | 2000-08-29 | Science Research Laboratory | System for selective electron beam irradiation |
| US6157028A (en) * | 1998-05-28 | 2000-12-05 | Jrh Biosciences, Inc. | Method for dose mapping to ensure proper amounts of gamma irradiation |
| CN1554066A (en) * | 2001-09-11 | 2004-12-08 | ù | Method and apparatus for simulating a radiation dose delivered to an object |
| CN100998497A (en) * | 2006-12-29 | 2007-07-18 | 四川大学 | Method for determining distribution of electron beam dosage |
-
2011
- 2011-12-13 CN CN 201110412757 patent/CN102519986B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6110318A (en) * | 1997-11-26 | 2000-08-29 | Science Research Laboratory | System for selective electron beam irradiation |
| US6157028A (en) * | 1998-05-28 | 2000-12-05 | Jrh Biosciences, Inc. | Method for dose mapping to ensure proper amounts of gamma irradiation |
| CN1554066A (en) * | 2001-09-11 | 2004-12-08 | ù | Method and apparatus for simulating a radiation dose delivered to an object |
| CN100998497A (en) * | 2006-12-29 | 2007-07-18 | 四川大学 | Method for determining distribution of electron beam dosage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646701A (en) * | 2018-12-28 | 2019-04-19 | 中广核达胜加速器技术有限公司 | A method of infectious medical solid waste is handled using irradiated rays |
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| CN102519986B (en) | 2013-09-04 |
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Owner name: CGN DASHENG ACCELERATOR TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JIANGSU DASHENG ACCELERATOR MANUFACTURING CO., LTD. |
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Address after: 215214 Jiangsu city of Suzhou province Wujiang FenHu Beishe Community Road No. 1288. Patentee after: CGN DASHENG ELECTRON ACCELERATOR TECHNOLOGY CO., LTD. Address before: 215214 Jiangsu city of Suzhou province Wujiang FenHu Beishe Community Road No. 1288. Patentee before: Jiangsu Dasheng Accelerator Manufacturing Co., Ltd. |