cod monitoring

cod monitoring, Total:143 items.

The international standard classification for "cod monitoring" includes: Environmental protection .

The Chinese standard classification for "cod monitoring" includes: Chemical Measurement , Natural resource and environment protection .

Professional Standard - Agriculture

空气和废气监测分析方法 5.7.2-2003 Chapter 7 Air Pollution Emergency Monitoring Technology Hydrogen Disulfide
空气和废气监测分析方法 5.3.5-2003 Chapter 5 Pollution Source Monitoring Chapter 3 Determination of Particulate Matter and Metal Compounds Five Catering Fumes
空气和废气监测分析方法 3.2.2-2003 Part 3 Air Quality Monitoring Chapter 2 Particulate Matter and Its Elements 2 PM10
空气和废气监测分析方法 5.2.5-2003 Chapter 5 Monitoring of Pollution Sources Chapter 2 Determination of Flue Gas Parameters 5 Flow Rate (A)
空气和废气监测分析方法 4.2.7-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Heptafluoride Ion
空气和废气监测分析方法 5.2.6-2003 Chapter 5 Pollution Source Monitoring Chapter 2 Determination of Flue Gas Parameters 6 Flue Gas Components
空气和废气监测分析方法 5.7.5-2003 Chapter 7 Air Pollution Emergency Monitoring Technology Five Combustible Gases
水和废水监测分析方法 5.3.2-2003 Chapter 5 Biological Monitoring Methods for Water and Wastewater Chapter 3 Determination and Evaluation of Acute Biological Toxicity Activity Inhibition Test for Daphnia (B)
空气和废气监测分析方法 4.2.6-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Hexachloride Ion
空气和废气监测分析方法 3.4.6-2003 Part Three Air Quality Monitoring Chapter Four Air Quality Continuous Automatic Monitoring System (B) Sixth Air Quality Continuous Automatic Monitoring System Management
空气和废气监测分析方法 3.2.5-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements Five Lead
空气和废气监测分析方法 5.3.4-2003 Chapter 5 Pollution Source Monitoring Chapter 3 Determination of Particulate Matter and Metal Compounds 4 Determination of Asbestos Dust
空气和废气监测分析方法 4.2.5-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Pentanitrite
水和废水监测分析方法 3.5.2-2003 Part 3 Comprehensive Indicators and Inorganic Pollutants Chapter 5 Water Quality Automatic Monitoring System 2 Sewage Automatic Monitoring System
空气和废气监测分析方法 5.4.11-2003 Part Five Pollution Source Monitoring Chapter Four Determination of Gaseous Pollutants Eleven Carbon Monoxide
空气和废气监测分析方法 5.1.1-2003 Chapter 5 Pollution Source Monitoring Chapter 1 Sampling - Sampling Location and Sampling Points
空气和废气监测分析方法 5.7.9-2003 Chapter 7 Air Pollution Emergency Monitoring Technology Nonahydrogen Fluoride
水和废水监测分析方法 3.6.6-2003 Part Three Comprehensive Indicators and Inorganic Pollutants Chapter Six Bottom Monitoring Six Analysis of Organic Pollutants in Bottom
水和废水监测分析方法 5.3.5-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 3 Determination and Evaluation of Acute Biological Toxicity Five Seed Germination and Root Elongation Toxicity Tests (C)
空气和废气监测分析方法 4.1.1-2003 Part 4 Precipitation Monitoring Chapter 1 Layout, Sampling and Quality Assurance 1 Overview
空气和废气监测分析方法 3.1.5-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutants Carbon Monoxide
空气和废气监测分析方法 4.1.5-2003 Part 4 Precipitation Monitoring Chapter 1 Point Layout, Sampling and Quality Assurance 5 Data Processing
空气和废气监测分析方法 3.2.12-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements Twelve Copper Zinc Cadmium Chromium Manganese and Nickel
水和废水监测分析方法 5.2.9-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 2 Bacteriological Determination in Water 9. Rapid Determination of Total Coliforms in Water and Fecal Coliforms (C)
水和废水监测分析方法 5.1.5-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 1 Determination of Aquatic Biome 5 Determination of Primary Productivity
空气和废气监测分析方法 4.2.9-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Nine Potassium and Sodium Ions
空气和废气监测分析方法 5.6.2-2003 Part Five Pollution Source Monitoring Chapter Six Motor Vehicle Exhaust Gas Monitoring Carbon Monoxide Hydrocarbons
空气和废气监测分析方法 5.5.8-2003 Part V Monitoring of Pollution Sources Chapter V Continuous Monitoring of Flue Gas Pollutant Discharge VIII Quality Assurance and Quality Control
空气和废气监测分析方法 5.4.8-2003 Chapter 5 Pollution Source Monitoring Chapter 4 Determination of Gaseous Pollutants Octaphosgene
水和废水监测分析方法 5.1.1-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 1 Determination of Aquatic Biome - Determination of Plankton (B)
空气和废气监测分析方法 3.2.9-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements Nine Antimony
水和废水监测分析方法 5.2.7-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 7 Determination of Salmonella in Water (B)
空气和废气监测分析方法 4.1.3-2003 Part 4 Precipitation Monitoring Chapter 1 Location, Sampling and Quality Assurance 3 Precipitation Sampling
空气和废气监测分析方法 3.1.10-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Phosphorus Pentaoxide
水和废水监测分析方法 5.2.5-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Five Determination of Total Coliform Bacteria in Water (B)
空气和废气监测分析方法 5.7.3-2003 Chapter 7 Air Pollution Emergency Monitoring Technology Hydrogen Trichloride
空气和废气监测分析方法 5.1.3-2003 Part Five Pollution Source Monitoring Chapter One Sampling Three Particle Sampling Methods
水和废水监测分析方法 5.3.1-2003 Chapter 5 Biomonitoring Methods for Water and Wastewater Chapter 3 Determination and Evaluation of Acute Biological Toxicity - Algae Growth Inhibition Test (B)
水和废水监测分析方法 5.4.2-2003 Chapter 5 Biomonitoring Methods for Water and Wastewater Chapter 4 Determination and Evaluation of Biological Hazards Two Sister Chromatid Exchange (SCE)
空气和废气监测分析方法 3.3.1-2003 Part Three Air Quality Monitoring Chapter Three Atmospheric Horizontal Visibility—Visual Measurement (B)
水和废水监测分析方法 5.1.2-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 1 Determination of Aquatic Biome 2 Determination of Epiphytes (B)
水和废水监测分析方法 5.2.6-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Six Determination of Fecal Coliform Bacteria in Water (B)
空气和废气监测分析方法 3.4.3-2003 Part Three Air Quality Monitoring Chapter Four Air Quality Continuous Automatic Monitoring System (B) Three Air Quality Continuous Automatic Monitoring System Composition
空气和废气监测分析方法 5.2.4-2003 Chapter Five Pollution Source Monitoring Chapter Two Determination of Flue Gas Parameters Four Flow Rate (A)
空气和废气监测分析方法 5.5.6-2003 Part Five Monitoring of Pollution Sources Chapter Five Continuous Monitoring of Flue Gas Pollutant Emission Six Determination of Nitrogen Oxides
空气和废气监测分析方法 3.1.8-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutants Octammonia
水和废水监测分析方法 5.1.4-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 1 Determination of Aquatic Biome 4 Fish Biological Survey (B)
空气和废气监测分析方法 3.2.8-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Element Octachrome (hexavalent)
空气和废气监测分析方法 5.3.7-2003 Part Five Pollution Source Monitoring Chapter Three Determination of Particulate Matter and Metal Compounds Heptamercury and Its Compounds
空气和废气监测分析方法 5.1.4-2003 Chapter 5 Pollution Source Monitoring Chapter 1 Sampling 4 Emission Concentration Calculation of Emissions
水和废水监测分析方法 5.2.4-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 4 Determination of Total Bacteria in Water (B)
空气和废气监测分析方法 5.3.13-2003 Part Five Pollution Source Monitoring Chapter Three Determination of Particulate Matter and Metal Compounds Thirteen Arsenic and Its Compounds
水和废水监测分析方法 5.2.3-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 2 Bacteriological Determination in Water Preparation of Three Mediums
空气和废气监测分析方法 5.5.3-2003 Chapter 5 Pollution Source Monitoring Chapter 5 Continuous Monitoring of Flue Gas Pollutant Emission 3 Determination of Flue Gas Parameters
水和废水监测分析方法 3.5.1-2003 Part Three Comprehensive Indicators and Inorganic Pollutants Chapter Five Water Quality Automatic Monitoring System - Surface Water Quality Automatic Monitoring System
空气和废气监测分析方法 5.7.1-2003 Chapter 7 Air Pollution Emergency Monitoring Technology—Chlorine Gas
空气和废气监测分析方法 5.5.4-2003 Part Five Pollution Source Monitoring Chapter Five Continuous Monitoring of Flue Gas Pollutant Emission Four Determination of Smoke and Dust
空气和废气监测分析方法 3.1.9-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Nine Cyanide
空气和废气监测分析方法 4.1.2-2003 Chapter 4 Precipitation Monitoring Chapter 1 Layout, Sampling and Quality Assurance 2 Sampling Point Setting
空气和废气监测分析方法 5.5.1-2003 Part Five Monitoring of Pollution Sources Chapter Five Continuous Monitoring of Flue Gas Pollutant Discharge - An Overview
水和废水监测分析方法 3.6.4-2003 Part 3 Comprehensive Index and Inorganic Pollutants Chapter 6 Sediment Monitoring 4 Decomposition and Extraction of Sediment Samples
空气和废气监测分析方法 3.4.5-2003 Part Three Air Quality Monitoring Chapter Four Air Quality Continuous Automatic Monitoring System (B) Five Performance Review of Air Quality Continuous Automatic Monitoring System
空气和废气监测分析方法 5.4.9-2003 Part Five Pollution Source Monitoring Chapter Four Determination of Gaseous Pollutants Nine Asphalt Smoke
空气和废气监测分析方法 5.4.7-2003 Part Five Pollution Source Monitoring Chapter Four Determination of Gaseous Pollutants Heptacyanide
空气和废气监测分析方法 3.1.2-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Dinitrogen Oxides
空气和废气监测分析方法 3.3.2-2003 Part Three Air Quality Monitoring Chapter Three Atmospheric Horizontal Visibility Two Instrument Method (B)
空气和废气监测分析方法 5.6.1-2003 Chapter 5 Pollution Source Monitoring Chapter 6 Motor Vehicle Exhaust Gas Monitoring-Smoke
水和废水监测分析方法 5.4.1-2003 Chapter 5 Biomonitoring Methods for Water and Wastewater Chapter 4 Determination and Evaluation of Biological Hazard - Bacterial Reverse Mutation Test
空气和废气监测分析方法 3.1.7-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Heptasulfation Rate
空气和废气监测分析方法 5.2.1-2003 Chapter 5 Pollution Source Monitoring Chapter 2 Determination of Flue Gas Parameters-Temperature
空气和废气监测分析方法 5.4.1-2003 Part Five Pollution Source Monitoring Chapter Four Determination of Gaseous Pollutants - Sulfur Dioxide
空气和废气监测分析方法 5.4.10-2003 Part Five Pollution Source Monitoring Chapter Four Determination of Gaseous Pollutants Ten Hydrogen Sulfide
空气和废气监测分析方法 3.2.3-2003 Part 3 Air Quality Monitoring Chapter 2 Particulate Matter and Its Elements 3 Dust Reduction
空气和废气监测分析方法 3.2.7-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements Seven Selenium
空气和废气监测分析方法 3.4.1-2003 Part Three Air Quality Monitoring Chapter Four Air Quality Continuous Automatic Monitoring System (B) - Overview of Air Quality Continuous Automatic Monitoring System
空气和废气监测分析方法 3.1.1-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant—Sulfur Dioxide
空气和废气监测分析方法 5.5.7-2003 Part Five Pollution Source Monitoring Chapter Five Continuous Monitoring of Flue Gas Pollutant Emission Seven Calculation of Emission Concentration and Total Emission
空气和废气监测分析方法 5.4.2-2003 Part Five Pollution Source Monitoring Chapter Four Determination of Gaseous Pollutants Dinitrogen Oxides
空气和废气监测分析方法 3.2.4-2003 Part 3 Air Quality Monitoring Chapter 2 Particulate Matter and Its Elements Tetramercury
空气和废气监测分析方法 4.2.3-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Method Trisulfate
空气和废气监测分析方法 5.4.6-2003 Chapter 5 Pollution Source Monitoring Chapter 4 Determination of Gaseous Pollutants Hexachlorine
空气和废气监测分析方法 3.2.10-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements Beryllium
空气和废气监测分析方法 5.2.3-2003 Chapter 5 Pollution Source Monitoring Chapter 2 Determination of Flue Gas Parameters Three Pressures (A)
空气和废气监测分析方法 5.7.8-2003 Chapter 7 Air Pollution Emergency Monitoring Technology 8 Volatile Organic Compounds (VOC)
空气和废气监测分析方法 3.1.3-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Trioxide Nitrogen Dioxide
水和废水监测分析方法 3.6.1-2003 Part Three Comprehensive Indicators and Inorganic Pollutants Chapter Six Sediment Monitoring—Significance, Purpose and Tasks of Sediment Monitoring
空气和废气监测分析方法 5.3.2-2003 Chapter 5 Pollution Source Monitoring Chapter 3 Determination of Particulate Matter and Metal Compounds 2 Dust Particle Dispersion
空气和废气监测分析方法 5.2.2-2003 Chapter 5 Monitoring of Pollution Sources Chapter 2 Determination of Flue Gas Parameters 2 Moisture Content
空气和废气监测分析方法 4.2.11-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Undecaproic Acid Acetic Acid
空气和废气监测分析方法 3.2.11-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements Eleven Iron
空气和废气监测分析方法 3.1.12-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Dodeca Chlorine
空气和废气监测分析方法 3.1.4-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutants Four Ozone
空气和废气监测分析方法 5.7.6-2003 Chapter 7 Air Pollution Emergency Monitoring Technology Hydrogen Hexacyanoride
空气和废气监测分析方法 3.2.13-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements Thirteen Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)
空气和废气监测分析方法 5.7.10-2003 Chapter 7 Air Pollution Emergency Monitoring Technology Ten Ammonia
空气和废气监测分析方法 5.1.2-2003 Chapter 5 Pollution Source Monitoring Chapter 1 Sampling 2 Flue Gas Sampling Methods
空气和废气监测分析方法 4.2.2-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Method 2 pH Value
空气和废气监测分析方法 5.3.8-2003 Part Five Pollution Source Monitoring Chapter Three Particles and Metal Compounds Determination of Octacadmium and Its Compounds
水和废水监测分析方法 3.6.5-2003 Part 3 Comprehensive Index and Inorganic Pollutants Chapter 6 Sediment Monitoring 5 Analysis of Sediment Samples
空气和废气监测分析方法 3.4.2-2003 Part 3 Air Quality Monitoring Chapter 4 Air Quality Continuous Automatic Monitoring System (B) 2 Working Principle of Air Quality Continuous Automatic Monitoring Instrument
空气和废气监测分析方法 5.3.12-2003 Chapter 5 Pollution Source Monitoring Chapter 3 Determination of Particulate Matter and Metal Compounds Dodecachromic Acid Mist
空气和废气监测分析方法 3.4.4-2003 Part Three Air Quality Monitoring Chapter Four Air Quality Continuous Automatic Monitoring System (B) Four Air Quality Continuous Automatic Monitoring System Quality Assurance and Quality Control
空气和废气监测分析方法 4.1.6-2003 Part Four Precipitation Monitoring Chapter One Layout, Sampling and Quality Assurance Six Quality Assurance
空气和废气监测分析方法 4.2.10-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Ten Calcium and Magnesium Ions
水和废水监测分析方法 3.6.2-2003 Part 3 Comprehensive Index and Inorganic Pollutants Chapter 6 Sediment Monitoring 2 Sediment Sampling
空气和废气监测分析方法 3.2.1-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements—TSP
空气和废气监测分析方法 5.4.4-2003 Chapter 5 Pollution Source Monitoring Chapter 4 Determination of Gaseous Pollutants Tetrasulfuric Acid Mist
空气和废气监测分析方法 3.2.6-2003 Part Three Air Quality Monitoring Chapter Two Particulate Matter and Its Elements Six Arsenic
空气和废气监测分析方法 4.2.1-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Method 1 Conductivity
空气和废气监测分析方法 3.1.11-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutants Eleven Hydrogen Sulfide
空气和废气监测分析方法 5.3.11-2003 Chapter 5 Pollution Source Monitoring Chapter 3 Determination of Particulate Matter and Metal Compounds 11-Tin and Its Compounds
空气和废气监测分析方法 5.5.2-2003 Part Five Pollution Source Monitoring Chapter Five Continuous Monitoring of Flue Gas Pollutant Discharge II Installation Requirements
水和废水监测分析方法 3.5.3-2003 Part Three Comprehensive Indicators and Inorganic Pollutants Chapter Five Water Quality Automatic Monitoring System Three Quality Control and Quality Assurance
空气和废气监测分析方法 5.7.7-2003 Chapter 7 Air Pollution Emergency Monitoring Technology Heptaphosgene
水和废水监测分析方法 5.2.1-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 2 Bacteriological Determination in Water-Laboratory Quality Assurance
空气和废气监测分析方法 5.3.10-2003 Part Five Pollution Source Monitoring Chapter Three Determination of Particulate Matter and Metal Compounds Ten Nickel and Its Compounds
空气和废气监测分析方法 5.3.3-2003 Part Five Pollution Source Monitoring Chapter Three Determination of Particulate Matter and Metal Compounds Three Smoke Blackness
水和废水监测分析方法 5.2.8-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Eight Determination of Faecal Streptococcus in Water (B)
空气和废气监测分析方法 4.2.8-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Octaammonium Ion
空气和废气监测分析方法 5.3.1-2003 Part Five Pollution Source Monitoring Chapter Three Determination of Particulate Matter and Metal Compounds Particle Matter
空气和废气监测分析方法 3.1.13-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Tridehydrochloride
水和废水监测分析方法 5.1.3-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter One Determination of Aquatic Biome Determination of Three Benthic Animals (B)
水和废水监测分析方法 5.3.3-2003 Chapter Five Biomonitoring Methods for Water and Wastewater Chapter Three Determination and Evaluation of Acute Biological Toxicity Three Fish Acute Toxicity Test (B)
空气和废气监测分析方法 4.2.4-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Method Tetranitrate
水和废水监测分析方法 3.6.3-2003 Part 3 Comprehensive Indicators and Inorganic Pollutants Chapter 6 Sediment Monitoring 3 Pretreatment of Sediment Samples
水和废水监测分析方法 5.4.3-2003 Chapter 5 Biomonitoring Methods for Water and Wastewater Chapter 4 Biohazard Measurement and Evaluation 3 Plant Micronucleus Test
水和废水监测分析方法 5.3.4-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 3 Determination and Evaluation of Acute Biological Toxicity 4 Acute Toxicity Test of Luminescent Bacteria
空气和废气监测分析方法 5.4.12-2003 Chapter 5 Pollution Source Monitoring Chapter 4 Determination of Gaseous Pollutants Dodecyl Ammonia
空气和废气监测分析方法 5.7.4-2003 Chapter 7 Air Pollution Emergency Monitoring Technology 4 Carbon Monoxide
空气和废气监测分析方法 5.4.5-2003 Chapter 5 Pollution Source Monitoring Chapter 4 Determination of Gaseous Pollutants Pentafluoride
空气和废气监测分析方法 5.3.9-2003 Part Five Pollution Source Monitoring Chapter Three Determination of Particulate Matter and Metal Compounds Nine Beryllium and Its Compounds
空气和废气监测分析方法 5.3.6-2003 Part Five Pollution Source Monitoring Chapter Three Determination of Particulate Matter and Metal Compounds Hexalead and Its Compounds
水和废水监测分析方法 5.2.2-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 2 Collection and Preservation of Water Samples
空气和废气监测分析方法 5.5.5-2003 Part V Monitoring of Pollution Sources Chapter V Continuous Monitoring of Flue Gas Pollutant Emissions V Determination of Sulfur Dioxide
空气和废气监测分析方法 5.4.3-2003 Part Five Pollution Source Monitoring Chapter Four Determination of Gaseous Pollutants Hydrogen Trichloride
空气和废气监测分析方法 3.1.6-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Hexafluoride
空气和废气监测分析方法 5.3.14-2003 Part Five Pollution Source Monitoring Chapter Three Determination of Particulate Matter and Metal Compounds Fourteen Selenium and Its Compounds
空气和废气监测分析方法 4.1.4-2003 Part 4 Precipitation Monitoring Chapter 1 Layout, Sampling and Quality Assurance 4 Preservation and Processing of Precipitation Samples

National Metrological Verification Regulations of the People's Republic of China

JJG 1012-2019 On-line Automatic Determinators of Chemical Oxygen Demand (COD)
JJG 1012-2006 Verification Regulation of On-line Automatic Determination of Chemical Oxygen Demand (COD)

Group Standards of the People's Republic of China

T/CAGHP 075-2020 Specifications for Monitoring Karst Ground Subsidence (Trial)

National Metrological Technical Specifications of the People's Republic of China

JJF 1786-2019 Program of Pattern Evaluation of On-line Automatic Determinators for Chemical Oxygen Demand (COD)

Professional Standard - Ocean

HY/T 080-2005 specification for coastal wetland eco-monitoring