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GB/T 31159-2014 English PDF

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US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31159-2014: Terminology of atmospheric aerosol observation
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31159-2014	439	Add to Cart	4 days	Terminology of atmospheric aerosol observation	Valid

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Basic data

Standard ID: GB/T 31159-2014 (GB/T31159-2014)
Description (Translated English): Terminology of atmospheric aerosol observation
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 19,154
Date of Issue: 9/3/2014
Date of Implementation: 1/1/2015
Regulation (derived from): People's Republic of China Announcement of Newly Approved National Standards No. 21 of 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 terms and atmospheric aerosol sampling, measurement and analysis and other aspects. This Standard applies to atmospheric research, business, education and other activities in the field of science, other fields may also be imple

GB/T 31159-2014: Terminology of atmospheric aerosol observation

---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.
Terminology of atmospheric aerosol observation ICS 07.060 A47 National Standards of People's Republic of China Atmospheric aerosol observations term Issued on. 2014-09-03 2015-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Preface Ⅰ Introduction Ⅱ 1 Scope 1 2 Basic Concepts 1 3 Category 2 4 3 Physical Characteristics 5 chemical constituents 5 6 Sampling 5 6 7 physical properties measurement 8 7 measure the chemical composition References 8 Index 9

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by the China Meteorological Administration. This standard by the national meteorological disaster prevention and mitigation Standardization Technical Committee (SAC/TC345) centralized. This standard was drafted. Chinese Academy of Meteorological Sciences, Anhui Provincial Meteorological Bureau. The main drafters. Zhang Yang Mei, Zhou Houfu, Sun Joun-yung, Zhang Jianjun, Zhai Jing.

Introduction

Aerosols are an important part of the atmosphere, it has an important impact on the environment, weather, climate, health and ecological aspects. In practice, , Some terms and words used in the definition or use of not standardized, resulting in misunderstanding and confusion in the use of the phenomenon. This standard was developed to Regulation Fan and atmospheric aerosol sampling, measurement and analysis and other terms, to ensure the unity and logical consistency of terminology used on. Atmospheric aerosol observations term

1 Scope

This standard defines the term atmospheric aerosol and its sampling, measurement and analysis and other aspects. This standard applies to atmospheric research, business, education and other activities in the field of science, other fields may also be implemented by reference.

2 Basic Concepts

2.1 Atmospheric aerosols atmosphericaerosol Liquid or solid particles dispersed in the atmosphere, forming a relatively stable suspension system. 2.2 Atmospheric aerosol particles atmosphericaerosolparticle Atmospheric particulate matter particulatematter, PM Solid and liquid particles suspended in the atmosphere. 2.3 Particle size particlesize Atmospheric aerosol particle size measurement. Note. usually expressed in equivalent diameter or equivalent radius. 2.4 Size spectra particlesizespectrum Particle size distribution particlesizedistribution Characteristics (number, surface area, volume, mass, etc.) of atmospheric aerosol particles change with particle size. 2.5 Stokes diameter Stokesdiameter ds And the characterization of particles having a diameter of the same density and gravitational fall velocity of spherical particles. 2.6 Aerodynamic diameter aerodynamicdiameter da The characterization of the particles have the same velocity, the density of the diameter of 1g/cm3 of spherical particles. 2.7 Volume equivalent diameter volumeequivalentdiameter dve The characterization of the particles have a diameter of spherical particles of the same volume. 2.8 Surface area equivalent diameter surfaceequivalentdiameter dse The characterization of the particles have a diameter of spherical particles of the same surface area. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 31159-2014_English be delivered?

Answer: Upon your order, we will start to translate GB/T 31159-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 31159-2014_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 31159-2014_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.