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GB/T 40485-2021 English PDF

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GB/T 40485-2021: Method of determining automatically the random reflectance of vitrinite in coal - Image analysis method
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 40485-2021	English	279	Add to Cart	3 days [Need to translate]	Method of determining automatically the random reflectance of vitrinite in coal - Image analysis method	Valid	GB/T 40485-2021

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Basic data

Standard ID	GB/T 40485-2021 (GB/T40485-2021)
Description (Translated English)	Method of determining automatically the random reflectance of vitrinite in coal - Image analysis method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D26
Word Count Estimation	14,190
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 40485-2021: Method of determining automatically the random reflectance of vitrinite in coal - Image analysis method

---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.
Method of determining automatically the random reflectance of vitrinite in coal - Image analysis method ICS 73.040 CCSD26 National Standards of People's Republic of China Automatic determination of random reflectivity of vitrinite of coal Image analysis Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Principle 2 5 Instruments and test systems 2 6 Material 3 7 Sample preparation 4 8 Measurement step 4 9 Presentation of results 6 10 Precision 7 11 Test report 7 Appendix A (Informative) Automatic test report of random reflectivity of coal vitrinite 9

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by the China Coal Industry Association. This document is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42). Drafting organizations of this document. Coal Science and Technology Research Institute Co., Ltd., China Coal Science and Industry Group Xi'an Research Institute Co., Ltd., Baoshan Iron and Steel Co., Ltd. Co., Ltd., China University of Mining and Technology (Beijing), Taiyuan University of Technology, Heilongjiang University of Science and Technology. The main drafters of this document. Bai Xiangfei, Zhang Yuhong, Wang Yue, Wu Linlin, Ding Hua, Xiao Wenzhao, Hu Desheng, Wang Shaoqing, Wang Yonggang, Liu Dongna, Bai Yunqi. Automatic determination of random reflectivity of vitrinite of coal Image analysis

1 Scope

This document specifies the principle, equipment, testing system, and materials for the automatic determination of the vitrinite random reflectance of coal by image analysis. Materials, sample preparation, measurement procedures, result presentation, precision, test reports, etc. This document is applicable to the automatic determination of the vitrinite random reflectance of bituminous coal and anthracite single-bed coal or mixed coal. Random humus of lignite The reflectance measurement can be used by reference.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 12937 Coal and Rock Terminology GB/T 16773-2008 Coal and rock analysis sample preparation method GB/T 20733 Digital Camera Terminology GB/T 22063-2018 Type C interface for microscope GB/T 29298-2012 General specification for digital (code) cameras MT/T 1053-2008 Microscope photometer technical conditions for measuring the reflectance of vitrinite

3 Terms and definitions

The following terms and definitions defined in GB/T 12937 and GB/T 20733 apply to this document. 3.1 Microscope camera It is connected to the microscope through a dedicated interface, and has an image sensor that can output microscope imaging digital signals. A camera connected to a computer to record this signal on a storage medium. Note. Storage media refers to memory cards or disks, etc. 3.2 Motorizedstage The microscope stage that automatically moves along the X, Y, and Z directions is controlled by a computer program. 3.3 Image acquisition system imageacquisitionsystem Automatic stage, image acquisition device and its driving software. 3.4 Microscopic image A digital image taken by imaging the sample under the microscope with a microscope camera.

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