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GB/T 41485-2022 English PDF

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US$234.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 41485-2022: Nuclear instrumentation - Geophysical borehole instrumentation to determine rock density
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41485-2022	234	Add to Cart	3 days	Nuclear instrumentation - Geophysical borehole instrumentation to determine rock density	Valid

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Basic data

Standard ID: GB/T 41485-2022 (GB/T41485-2022)
Description (Translated English): Nuclear instrumentation - Geophysical borehole instrumentation to determine rock density
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F86
Word Count Estimation: 12,136
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41485-2022: Nuclear instrumentation - Geophysical borehole instrumentation to determine rock density

---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.
Nuclear instrumentation -- Geophysical borehole instrumentation to determine rock density ICS 27.120 CCSF86 National Standards of People's Republic of China Nuclear Instrumentation Geophysical Density Logging Tool rockdensity Published on 2022-04-15 2022-11-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Device 3 4.1 Well logging probe 3 4.2 Cable winches 4 4.3 Ground Components 4 4.4 Power 4 5 General requirements5 5.1 Design Requirements 5 5.2 Operational requirements5 6 Mechanical and environmental performance requirements5 7 Measurement error6 8 Operating time requirements6 9 Power Requirements7 10 Calibration 7 11 Safety Requirements 7 11.1 Electrical Safety Requirements 7 11.2 Radiation Safety Requirements 7 12 Points to be noted in operating and maintenance documents or certificates for equipment7

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" drafted. This document is identical to IEC 61874.1998 "Geophysical wellbore instrumentation for the determination of rock density by nuclear instrumentation (density measurement well)". The following minimal editorial changes have been made to this document. ---According to the usage habits of our industry, the standard name is changed to "Nuclear Instrument Geophysical Density Logging Instrument". Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Standardization Technical Committee of Nuclear Instrumentation (SAC/TC30). This document is drafted by. Nuclear Industry Aerial Survey and Remote Sensing Center, Shenzhen Institute of Metrology and Quality Inspection, China Uranium Industry Co., Ltd. The main drafters of this document. Zhang Jiyun, Tang Xiaochuan, Guan Shaobin, Du Xiaoli, Li Mingzhao, Quan Xudong, Zhou Zongjie, Gao Guolin, Yu Xiang, Sun Hairen, Zhang Yan, Huang Qingbo, Ouyang You, Du Yibin, Sun Tao. Nuclear Instrumentation Geophysical Density Logging Tool

1 Scope

This document applies to geophysical density logging tools, which mainly consist of the following parts. --- Logging probe tubes for directional radioisotope (gamma) sources and detectors for measuring scattered gamma rays used only in measurements; --- cable winches and cables equipped with depth controllers; ---Other related components (power supply, pulse converter/amplifier, rate meter, recorder, signal processing and data reading unit). This document defines terms, specifies the composition, design and general technical requirements of equipment, special properties such as radiation, electrical, mechanical and environmental Requirements, testing and calibration procedures, including electrical safety and radiation protection. In addition, the manufacturer's operation and maintenance manual (or certificate) has Recommendations are made on the content. The purpose of this document is to give the design requirements and performance characteristics of logging tools for in situ determination of rock formation density. can be obtained by appropriate response curve line, divide the lithology of the rock formation and calculate the porosity.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. IEC 60050-3951) International Electrotechnical Vocabulary Chapter 395.Nuclear Instrumentation. Physical phenomena, basic concepts, instruments, systems, equipment and Note. GB/T 2900.97-2016 Electrotechnical terminology nuclear instruments. physical phenomena, basic concepts, instruments, systems, equipment and detectors (IEC 60050-395. 2014, IDT) Note. GB/T 6592-2010 Performance representation of electrical and electronic measuring equipment (IEC 60359.2001, IDT) Note. GB/T 19661.2-2015 Safety Requirements for Nuclear Instruments and Systems Part 2.Structural Requirements and Classification of Radioactivity Meters (IEC 62598.2011, MOD)

3 Terms and Definitions

Terms and definitions defined in IEC 60050-395 and IEC 60359 and the following terms and definitions apply to this document. 1) International Standards IEC 60050-394 and IEC 60050-393 here have been merged into IEC 60050-395.2014. 2) International Standard IEC 60405 here has been replaced by IEC 62598.2011. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 41485-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 41485-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 41485-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 41485-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.