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Tritium content measuring device and method

A measuring device and content technology, which is applied in the field of tritium content measurement and tritium content measurement device, can solve the problem of low precision, achieve accurate measurement results and improve the effect of measurement accuracy

Inactive Publication Date: 2017-07-21
MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to provide a tritium content measuring device to solve the problem of low accuracy obtained by the tritium content measuring method in the prior art

Method used

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  • Tritium content measuring device and method
  • Tritium content measuring device and method
  • Tritium content measuring device and method

Examples

Experimental program
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Effect test

Embodiment 1

[0051] figure 1 It is a structural schematic diagram of the tritium content measuring device 001 in the first embodiment of the present invention. Please refer to figure 1 , the tritium content measuring device 001 includes a sample unit 010 and a control unit 020 . By comparing and analyzing the measured results of the sample unit 010 and the measured results of the control unit 020, the content of tritium can be obtained.

[0052] figure 2 for figure 1 Schematic diagram of the structure of the sample unit 010 in . Please refer to figure 2 , the sample unit 010 includes a first temperature control chamber 100 and a sample chamber 300 for storing tritium-containing samples to be measured, and the sample chamber 300 is arranged in the first temperature control chamber 100; between the first temperature control chamber 100 and the sample chamber 300 A first measurement structure 500 is provided for measuring the heat radiation heat power from the sample chamber 300 to...

Embodiment 2

[0091] This embodiment provides a tritium content measurement method, which is based on the tritium content measurement device 001 in the first embodiment. See Figure 22 , the tritium content measuring method in the present embodiment comprises the steps:

[0092] First measurement step: under the condition that the heat release power of the first calibration heat source 360 ​​and the second calibration heat source 460 is adjusted to zero, use the measurement circuit 530 of the first measurement structure 500 to measure the thermistor of the first measurement structure 500 520 resistance value, record the measured resistance value R0; use the measurement circuit 530 of the second measurement structure 600 to measure the resistance value of the thermistor 520 of the second measurement structure 600, and record the measured resistance value r0;

[0093] The second measurement step: adjust the heat release power of the first check heat source 360 ​​and the second check heat sou...

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Abstract

The invention relates to the technical field of radioactive substance content measurement, aims at solving the problem that a tritium content measuring device in the prior art is relatively low in precision of the measurement result, and provides a tritium content measuring device comprising a sample unit and a contrast unit. The sample unit sequentially comprises a first temperature control chamber, a first measuring structure and a sample room from exterior to interior. The contrast unit sequentially comprises a second temperature control chamber, a second measuring structure and a contrast room from exterior to interior. The second temperature control chamber and the first temperature control chamber are the same in structure, the contrast room is arranged in the second temperature control chamber; and the second measuring structure used for measuring heat radiation power of the contrast room to the second temperature control chamber is arranged between the second temperature control chamber and the contrast room. The sample room is inside provided with a first checking heat source, the contrast room is inside provided with a second checking heat source, and the first checking heat source and the second checking heat source both can adjust the heating power. The invention also relates to a tritium content measuring method based on the above tritium content measuring device. The beneficial effect of the tritium content measuring device and method is that the measurement result is relatively-high in precision.

Description

technical field [0001] The invention relates to the technical field of radioactive substance content measurement, in particular to a tritium content measurement device. The invention also relates to a method for measuring tritium content. Background technique [0002] Tritium is one of the isotopes of hydrogen and is radioactive. Tritium will cause serious damage to human organs after entering the human body. The measurement of tritium content is an integral part of the tritium handling process. [0003] However, the accuracy of tritium content measurement methods in the prior art is low. Contents of the invention [0004] The present invention aims to provide a tritium content measuring device to solve the problem of low accuracy obtained by the tritium content measuring method in the prior art. [0005] Another object of the present invention is to provide a tritium content measurement method based on the tritium content measurement device. [0006] Embodiments of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/167G01T1/26
CPCG01T1/167G01T1/26
Inventor 张志文明陈克琳陈立豪周帅姜飞杨雷胡俊
Owner MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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