|
US$199.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 33705-2017: Soil moisture observation -- Frequency domain reflection method
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33705-2017 | English | 199 |
Add to Cart
|
3 days [Need to translate]
|
Soil moisture observation -- Frequency domain reflection method
| Valid |
GB/T 33705-2017
|
PDF similar to GB/T 33705-2017
Basic data | Standard ID | GB/T 33705-2017 (GB/T33705-2017) | | Description (Translated English) | Soil moisture observation -- Frequency domain reflection method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 10,163 | | Date of Issue | 2017-05-12 | | Date of Implementation | 2017-12-01 | | Quoted Standard | GB/T 18185; QX 4-2015; SL 364-2006 | | 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 use of frequency domain reflection method to observe the soil moisture observation items, site requirements, instrument requirements, observation steps. This standard is applicable to the construction, operation and maintenance of soil moisture automatic observation station in frequency domain reflection. | GB/T 33705-2017: Soil moisture observation -- Frequency domain reflection 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.
Soil moisture observation.Frequency domain reflection method
ICS 07.060
A47
National Standards of People's Republic of China
Soil moisture observation frequency domain reflection method
2017-05-12 released
2017-12-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Directory
Preface I
1 Scope 1
2 normative reference document 1
3 Terms and definitions 1
4 Principles of observation and project 2
5 Location Requirements 2
6 Instrument Requirements 2
7 Observation Step 3
Appendix A (Normative Appendix) Instrument Performance 5
Appendix B (Normative Appendix) Calculation formula for relevant factors of soil moisture content 6
Reference 7
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the China Meteorological Administration.
This standard is nationalized by the National Standardization Technical Committee for Meteorological Instruments and Observation Methods (SAC/TC507).
The drafting of this standard. China Meteorological Bureau Meteorological Detection Center, the National Meteorological Center, Henan Meteorological Bureau, Shanghai Long Hope Meteorological Technology Limited
Company, China Huayun Technology Development Company, Henan Zhongyuan Optoelectronics Measurement & Control Technology Co., Ltd.
The main drafters of this standard. Wu Dongli, Zhang Xuefen, Cao Tingting, Wang Bolin, Li Cuina, Xue Hongxi, Ye Linmao, Xu Dianyi, Huijian,
Wang Yanbin.
Soil moisture observation frequency domain reflection method
1 Scope
This standard specifies the use of frequency domain reflection method to observe the soil moisture observation items, site requirements, instrument requirements, observation steps.
This standard is applicable to the construction, operation and maintenance of soil moisture automatic observation station in frequency domain reflection.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Technical requirements for reliability of hydrological instruments GB/T 18185
Technical specification for lightning protection of QX4-2015 weather station (station)
Code for monitoring soil moisture content
3 terms and definitions
The following terms and definitions apply to this document.
3.1
Frequency domain reflector method
According to the principle of the difference between the dielectric constant of water and other dielectrics in the soil and the frequency domain reflection test technique,
The amount of the method.
[GB/T 28418-2012, definition 3.2]
3.2
Soil moisture
Field Soil Water Content and Corresponding Crop Water Status.
[SL364-2006, definition 2.0.1]
3.3
Soil volume moisture content soilmoisturecontentbyvolume
The ratio of the volume of water in the soil to its total volume is usually expressed as a percentage.
[SL364-2006, definition 2.0.7]
3.4
Soil moisture content gravitymoustureofsoil
The ratio of the weight of water to dry weight in the soil is usually expressed as a percentage.
[SL364-2006, definition 2.0.6]
3.5
Soil relative humidity relativemoistureofsoil
The ratio of weight water content to field water holding capacity is usually expressed as a percentage.
[SL364-2006, definition 2.0.9]
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 33705-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 33705-2017_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 33705-2017_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 33705-2017_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+ countriesQuestion 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 [email protected]. 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.
|