Plant seed neutron irradiation dose distribution device based on compact D-D neutron generator

A neutron generator and plant seed technology, applied in the field of nuclear technology application, can solve problems such as limited application and lack, and achieve the effect of expanding the scope of application

Active Publication Date: 2021-05-28
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the lack of a device that can accurately give the neutron radiation absorbed dose of plant seeds, the compac

Method used

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  • Plant seed neutron irradiation dose distribution device based on compact D-D neutron generator
  • Plant seed neutron irradiation dose distribution device based on compact D-D neutron generator
  • Plant seed neutron irradiation dose distribution device based on compact D-D neutron generator

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Embodiment Construction

[0024] The structure and usage method of the neutron radiation dose dispensing device of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] refer to Figure 1-4 , a plant seed neutron radiation dose distribution device based on a compact D-D neutron generator provided by the present invention includes a side reflector 1 and 5 seed placement laminates 2 with a thickness of 1mm and a length of 48.5mm, wherein the side The reflector 1 is a frame structure with an opening at one end. The thickness of the frame structure is 3 mm. On the two opposite sides of the side reflector 1, there are slots 6 with an inverted triangle cross section. The depth of the slot 6 is 1 mm. The seeds are placed on the laminate 1 It is clamped in the side reflector 1 through the clamping slot 6 . The top of the side reflector 1 is provided with a top reflector 3, and each seed placement layer 2 is evenly fixed with three partitions 5 parallel...

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Abstract

The invention discloses a plant seed neutron irradiation dose distribution device based on a compact D-D neutron generator. The device comprises a side reflector and a plurality of seed placement laminates, the side reflector is a frame structure with an opening at one end, the seed placement laminates are clamped in the side reflector, the seed placement laminates are arranged in the side reflector, and a neutron irradiation area is formed by an area between two adjacent seed placement laminates and the side reflectors. The neutron irradiation area can contain a large number of seeds at a time, the seed placement laminates are evenly distributed up and down in the vertical direction, the neutron absorption dose of the placed seeds appears in a uniform gradient, and after each position where the seeds are placed is numbered, the dose of neutrons absorbed by each seed can be obtained through the Monte Carlo simulation technology, the application range of the compact D-D neutron generator in neutron radiation biological research and irradiation mutation breeding is expanded, and meanwhile a basis can be provided for the neutron radiation biological research and the irradiation mutation breeding.

Description

technical field [0001] The invention relates to the application field of nuclear technology, in particular to a plant seed neutron radiation dose distribution device based on a compact D-D neutron generator. Background technique [0002] Irradiating seeds, roots, stems and other organs of plants with radioactive beams will cause them to produce radiation biological effects and induce mutations. The breeding method of obtaining new varieties through artificial selection and cultivation of radiation-induced mutants is called radiation-induced mutation breeding. Compared with traditional hybrid breeding and natural variation breeding, radiation-induced mutation breeding has a greater possibility of variation, Wide range of variation and many other advantages. After more than 80 years of research, scientists have irradiated different plants with various rays, made a lot of achievements in radiation biological effects and mutation breeding, and accumulated rich research data and...

Claims

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Application Information

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IPC IPC(8): A01H1/06
CPCA01H1/06Y02E30/30
Inventor 徐大鹏郭志琦姚泽恩王俊润张宇
Owner LANZHOU UNIVERSITY
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