A Tissue Equivalent Correction Method for Microdose Detectors

A tissue equivalent and detector technology, applied in the field of effect correction, to achieve the effects of wide application range, improved accuracy, and easy operation

Active Publication Date: 2022-05-27
CHENGDU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem in the prior art that the deposition energy distribution measured by the detector cannot be accurately converted into the deposition energy distribution in the biological tissue under the same conditions, and provides a tissue equivalent correction of the micro-dose detector method

Method used

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  • A Tissue Equivalent Correction Method for Microdose Detectors
  • A Tissue Equivalent Correction Method for Microdose Detectors
  • A Tissue Equivalent Correction Method for Microdose Detectors

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Embodiment Construction

[0041] The following technical solutions in conjunction with the accompanying drawings are clearly and completely described, apparently, the embodiments described are some embodiments of the present invention, but not all embodiments. Based on embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work, are within the scope of protection of the present invention.

[0042] In the description of the present invention, it should be noted that the direction or position relationship belonging to the "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like is based on the direction or position relationship described in the drawings, only to facilitate the description of the present invention and simplified description, and not to indicate or imply that the device or element referred to must have a specific orientation, structured and operated in a particular orientation...

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Abstract

The invention discloses a tissue equivalent correction method for a micro-dose detector, which belongs to the technical field of radiation measurement and radiation protection. The average incident energy of particles entering the micro-dose detector under certain conditions; calculate the linear stopping power ratio of the biological tissue material and the micro-dose detector material under the current incident energy; normalize the deposition energy distribution; Transform the normalized distribution; calculate the expected value ratio of the normalized distribution and the transformed distribution; calculate the deposition energy distribution of the biological tissue material according to the transformed distribution and the expected value ratio 。 The invention can accurately convert the deposition energy distribution measured by the detector into the deposition energy distribution in the biological tissue under the same condition.

Description

Technical field [0001] The present invention relates to the field of radiation measurement and radiation protection techniques, in particular to a microdostensive detector tissue equivalent correction method. Background [0002] As radioactive particles or rays pass through biological tissue cells, they deposit energy on particle trails, ionizing and excitation of biomolecules. Studying the distribution of deposition energy of ionizing radiation in biological tissues is helpful for understanding the interaction mechanism between ionizing radiation and biological tissues, which is of great significance in the field of radiation measurement and protection. However, since it is not feasible to directly measure the distribution of sedimentary energy within the microscopic volume of biological tissues, the energy distribution within the microscopic volume of biological tissues is often understood by establishing equivalent microscopic volume detection models, and microdosimetric detec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/00
CPCG01N23/00G01N2223/6126
Inventor 余松科蔡业新唐琳刘泽廖先莉
Owner CHENGDU UNIV
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