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Alpha surface pollution simulation method based on magnetic nanoparticles

A technology of magnetic nanoparticles and surface pollution, applied in the field of α surface pollution simulation based on magnetic nanoparticles, can solve the problems of fixed simulation value, large limitation, difficult surface pollution simulation, etc., and achieve the effect of avoiding aggregation

Active Publication Date: 2019-10-18
ACADEMY OF MILITARY MEDICAL SCI
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  • Description
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Problems solved by technology

However, these simulation sources need to be used in conjunction with specific real α surface pollution detection instruments, which greatly limits their scope of use
In addition, in the prior art, it is also proposed to use light-emitting diodes to make simulated sources, or to make simulated clothes with surface pollution, and use the barcode on the simulated clothes as simulated sources; It is used for surface pollution simulation; the simulated value of the barcode on the simulated clothing is fixed, and it is difficult to simulate the change process of decontamination and decontamination of the α surface; and these two simulation methods have relatively large limitations and cannot effectively simulate the α surface pollution

Method used

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  • Alpha surface pollution simulation method based on magnetic nanoparticles
  • Alpha surface pollution simulation method based on magnetic nanoparticles
  • Alpha surface pollution simulation method based on magnetic nanoparticles

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Embodiment Construction

[0051] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0052] figure 1 A flowchart showing a method for simulating contamination of an alpha surface based on magnetic nanoparticles according to the present invention, which specifically includes the following steps:

[0053] S1: Prepare a simulated source with α surface pollution characteristics and no harm to personnel and the environment, so as to be used for α surface pollution detection;

[0054] Preferably, the pollution sources prepared for α surface pollution simulation need to meet the following requirements:

[0055] (1) It can be attached to the surface...

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Abstract

The invention relates to an alpha surface pollution simulation method based on magnetic nanoparticles. The method specifically comprises the following steps: S1, preparing a magnetic nanoparticle simulation source for alpha surface pollution simulation detection; S2, simulating operation of presetting the distance effect of the magnetic induction intensity as the distance effect of the alpha particles in air; S3, quantitatively measuring the magnetic induction intensity of a simulation source at a preset distance through a simulation source detection device to obtain a voltage value corresponding to the magnetic induction intensity at the preset distance, and judging a preset distance change condition or an erasing condition; S4, performing a distance change test; and S5, performing a simulation source erasing experiment. The corresponding alpha activity value is obtained by measuring the magnetic induction intensity.

Description

technical field [0001] The invention relates to the technical field of radioactive pollution detection, in particular to a method for simulating alpha surface contamination based on magnetic nanoparticles. Background technique [0002] Alpha surface pollution is a kind of radioactive pollution, which refers to the contamination of the surface of people or objects with radionuclides that can release alpha particles. In nuclear emergency medical rescue, when a pollution accident occurs, it is necessary to detect people and objects entering and leaving the contaminated area; when personnel are contaminated, they need to be decontaminated, and testing is required before and after each decontamination to evaluate the decontamination effect. [0003] In the α surface pollution simulation, a simulation source with α surface pollution characteristics and no harm to personnel and the environment is developed, which is applied to the simulation training of α surface pollution detectio...

Claims

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Application Information

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IPC IPC(8): G09B9/00
CPCG09B9/00
Inventor 宁静王琦纪云龙李大伟王晓宁
Owner ACADEMY OF MILITARY MEDICAL SCI
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