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GB/T 12604.8-2014 English PDF

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GB/T 12604.8-2014: Non-destructive testing -- Terminology -- Terms used in neutron testing
Status: Valid

GB/T 12604.8: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 12604.8-2014English259 Add to Cart 3 days [Need to translate] Non-destructive testing -- Terminology -- Terms used in neutron testing Valid GB/T 12604.8-2014
GB/T 12604.8-1995English279 Add to Cart 3 days [Need to translate] Terminology for nondestructive testing--Neutron testing Obsolete GB/T 12604.8-1995

PDF similar to GB/T 12604.8-2014


Standard similar to GB/T 12604.8-2014

GB/T 13319   GB/T 11349.1   GB/T 12716   GB/T 12604.14   GB/T 12604.13   GB/T 12604.10   

Basic data

Standard ID GB/T 12604.8-2014 (GB/T12604.8-2014)
Description (Translated English) Non-destructive testing -- Terminology -- Terms used in neutron testing
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J04
Classification of International Standard 01.040.19; 19.100
Word Count Estimation 11,125
Date of Issue 5/6/2014
Date of Implementation 12/1/2014
Older Standard (superseded by this standard) GB/T 12604.8-1995
Regulation (derived from) National Standards Bulletin No. 9 2014
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the technical term for neutron detection.

GB/T 12604.8-2014: Non-destructive testing -- Terminology -- Terms used in neutron testing

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Non-destructive testing. Terminology. Terms used in neutron testing ICS 01.040.19; 19.100 J04 National Standards of People's Republic of China Replacing GB/T 12604.8-1995 Terminology for nondestructive testing neutron detection Issued on. 2014-05-06 2014-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 12604.8-1995 "Terminology for nondestructive testing for neutron detection." This standard and GB/T 12604.8-1995 compared to the main changes are as follows. --- Modify some of the terms and definitions (see Chapter 2; Chapter 4 1995 edition - Chapter 2). The standard non-destructive testing by the National Standardization Technical Committee (SAC/TC56) and focal points. This standard was drafted. Haitai Division Inspection Technologies Co., Ltd., Shanghai Research Institute of Materials, Shanghai Meida new detection equipment Co., Ltd., Sea Aerospace Power Technology Engineering Company Limited, China Aerospace Science and Technology Corporation in South Sichuan Machinery Factory, Shanghai Key Laboratory of Engineering Materials Evaluation Room, Shanghai Institute of Space Propulsion. The main drafters of this standard. Xu Guozhen, Jinyu Fei, Zhang Zheng, Li Li, Wang Bin, Zhao, Zhang YIMING, Chen Yiwei. This standard replaces the standards previously issued as follows. --- GB/T 12604.8-1995. Terminology for nondestructive testing neutron detection

1 Scope

This standard defines the technical term for neutron detection.

2 Terms and definitions

2.1 Activate activation activation Bombarded by neutrons or other material particles and the process of becoming artificial radioactive substances. 2.2 Attenuation coefficient attenuationcoefficient When the beam passes through the material, the relative rate of change in its strength. See the linear attenuation coefficient (2.15) and the mass attenuation coefficient (2.16). 2.3 Attenuation sectional attenuationcrosssection The probability of neutron nuclei is completely absorbed, with barns (barn) represented. 2.4 Barns barn A method for showing cross-sectional area of \u200b\u200bcore units. 1barn = 10-24cm2. 2.5 Cadmium than cadmiumratio Under the same conditions and in response to neutron detector coating thickness than the response of a particular layer of cadmium. 2.6 Cassette cassette In the exposure process, the converter is used to place the film or film screen and maintain a non-transmitting device in close contact. 2.7 Contrast contrastagent A way to add to the component, through the selective absorption of incident radiation to enhance the contours of the details. 2.8 Conversion screen conversionscreen A method of forming a neutron beam radiation or light converted to a device, and then make this light ray or radiographic film exposure. 2.9 Cross section crosssection Depending on the collision probability based on nuclear and particle reactions occurring in the calculated cross-sectional area. It is not necessarily equal to the geometric cross-sectional area πr2. section Unit area with barns (barn) represented. 2.10 Direct exposure imaging directexposureimaging In the direct exposure of the imaging method, the image conversion screen and recording simultaneously irradiated neutron beam.

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