Master standard implement model of aviation radioactivity measurement and preparation method thereof
A radioactivity measurement and standard technology, which is used in radiation measurement, X-ray energy spectrum distribution measurement, instruments, etc., can solve the problems of heavy volume and weight of the main standard, complicated preparation methods, etc., and achieves high reliability and matching ratio. precise effect
Active Publication Date: 2019-11-01
核工业航测遥感中心
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[0005] The object of the present invention is to provide a kind of airborne radiation measurement master standard model and its preparation method, to solve the problem that the master standard existing in the prior art is heavy in volume and weight, and the preparation method is complicated
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[0033] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention. The invention provides a kind of preparation method of the master standard device model of aviation radioactivity measurement, such as figure 1 Shown, described preparation method comprises:
[0034] Determine the weight of the master standard model according to the volume and density of the master standard model;
[0035] The mass of each material used to prepare the master standard model is determined according to the weight of the master standard model and th...
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Abstract
The invention provides a master standard implement model of aviation radioactivity measurement and a preparation method thereof. The preparation method comprises: determining weight of a master standard implement model according to volume and density of the master standard implement model; determining mass of each material, which is used to prepare the master standard implement model, according tothe weight of the master standard implement model and a preset ratio; mixing all the materials in an anhydrous state, and stirring the same to a uniform state to obtain a uniform powder material; equally dividing the obtained uniform powder material into a predetermined number of parts, and carrying out uniformity detection on each part of uniform powder material; adding water into uniform powdermaterials passing uniformity testing, and carrying out mixing and stirring to obtain a uniform wet material; and using the uniform wet material to carry out pouring to obtain the master standard implement model. Therefore, the master standard implement model of aviation radioactivity measurement with a more accurate ratio and higher use reliability can be prepared.
Description
technical field [0001] The invention relates to the field of standard device design, in particular to a model of a main standard device for aviation radioactivity measurement and a preparation method thereof. Background technique [0002] The main standard model of aviation radioactivity measurement is the measurement standard of aviation radioactivity measurement. Indispensable infrastructure. [0003] The existing master standard model for airborne radioactivity measurement was built in 1986. Limited by the development of science and technology at that time, the single model area of the master standard model covers an area of 127.3m 2 , with a weight of 140t, is fixedly placed at Daguo Village Airport in Shijiazhuang, and is the only national defense and national measurement standard equipment for aviation radioactivity measurement. At the same time, due to the long construction time, the design method and content of the master standard model were incomplete at that ...
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IPC IPC(8): G01T7/00G01T1/36C04B28/04
CPCC04B28/04C04B2111/00862C04B2111/00991C04B2201/20G01T1/36G01T7/005C04B14/00C04B14/06C04B14/041
Inventor 李怀渊张积运全旭东周宗杰高国林管少斌黄清波胡明考唐晓川李峰林孙海仁张岩刘峰陈昊
Owner 核工业航测遥感中心