DZ/T 0263-2014 English PDF

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DZ/T 0263-2014: Technical specification of surface nuclear magnetic resonance method in groundwater detection
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DZ/T 0263-2014	729	Add to Cart	5 days	Technical specification of surface nuclear magnetic resonance method in groundwater detection	Valid

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Basic data

Standard ID: DZ/T 0263-2014 (DZ/T0263-2014)
Description (Translated English): Technical specification of surface nuclear magnetic resonance method in groundwater detection
Sector / Industry: Geological Industry Standard (Recommended)
Classification of Chinese Standard: D14
Classification of International Standard: 07.060
Word Count Estimation: 28,259
Date of Implementation: 12/1/2014
Quoted Standard: DZ/T 0153
Regulation (derived from): Ministry of Land & Resources Notice 2014 No. 14
Issuing agency(ies): Ministry of Land and Resources
Summary: This standard specifies the basic requirements for ground application of nuclear magnetic resonance condition, equipment selection and maintenance, technical design, field operations, quality evaluation, field data inspection, data processing and interpre

DZ/T 0263-2014: Technical specification of surface nuclear magnetic resonance method in groundwater detection

---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.
Technical specification of surface nuclear magnetic resonance method in groundwater detection ICS 07.060 D14 People's Republic of China geological mineral industry standard Ground nuclear magnetic resonance method Published on.2014-09-22 2014-12-01 implementation Ministry of Land and Resources of the People's Republic of China

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 1 3.1 Terms and Definitions 1 3.2 Abbreviations 4 4 General 4 4.1 Principle of the method 4 4.2 Application range 5 5 Instrument 5 5.1 Instrument Specifications 5 5.2 Instrument Maintenance 5 6 Technical Design 6 6.1 Preparation before design 6 6.2 Work device form and selection 6 6.3 Network Design 8 6.4 Design Book Preparation and Approval 8 7 Fieldwork 9 7.1 Preparation before field work 9 7.2 Layout of measuring lines and measuring points 9 7.3 Data Collection 9 7.4 Signal Quality Monitoring and System Quality Check 10 7.5 Technical Safety Requirements 11 8 Field data acceptance 11 8.1 Acceptance content 11 8.2 Data Quality Evaluation 12 9 Data Processing and Interpretation 12 9.1 Data Processing 12 9.2 Information interpretation 12 10 Results report preparation 13 10.1 Basic requirements 13 10.2 Content 13 Appendix A (informative) Common scale and net density table 14 Appendix B (informative) Signal superposition number reference value 15 Appendix C (Normative Appendix) Field Record Table 16 Appendix D (informative) Original Curve and Results Figure 17 Appendix E (informative) Approximate relationship between transverse relaxation time constant and aquifer type 20 Appendix F (informative appendix) Determination and estimation of water body parameters 21 Reference 22

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Land and Resources of the People's Republic of China. This standard is under the jurisdiction of the National Land Resources Standardization Technical Committee (SAC/TC93). This standard was drafted. China Geological Survey Bureau Hydrogeological Environmental Geological Survey Center, China University of Geosciences (Wuhan), Ministry of Water Resources Pastoral Area Institute of Water Science. The main drafters of this standard. Zhu Qingjun, Pan Yuling, Li Fengzhe, Li Zhenyu, Liu Wei, Yang Guixin, and Lian Wei. Ground nuclear magnetic resonance method

1 Scope

This standard specifies the application conditions of ground nuclear magnetic resonance method, instrument selection and maintenance, technical design, field operations, quality evaluation, and foreign investment. Basic requirements for materials acceptance, data processing and interpretation, and preparation of results reports. This standard is applicable to ground nuclear magnetic resonance law in the fields of groundwater exploration and engineering and environment related to groundwater activities.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. DZ/T 0153 physical and chemical exploration engineering measurement specification 3 terms and definitions, abbreviations 3.1 Terms and definitions The following terms and definitions apply to this document. 3.1.1 Magnetic rotation ratio gyromagneticratio The ratio of the magnetic moment of the nucleus to the spin momentum moment (angular momentum). Calculate as shown in equation (1). γ= μL (1) In the formula. γ---the magnetic rotation ratio of the nucleus in ampere squares per joule second [A·m2/(J·s)]; μ---the magnetic moment of the nucleus in ampere square meters (A·m2); L---The spin momentum moment (angular momentum) of the nucleus in joule seconds (J·s). Note. Protons (hydrogen nuclei) have the largest magnetic rotation ratio among substances capable of generating nuclear magnetic resonance signals. 3.1.2 Magnetization The sum of the statistical distribution of the nuclear magnetic moment vectors in a unit volume sample. For the calculation, see equation (2). M =lim ΔV→0 ΔV (2) In the formula. M --- magnetization in ampere per meter (A/m); Ii --- nuclear magnetic moment vector in ampere square meters (A·m2); ΔV --- unit volume in cubic meters (m3). ......

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