X Environmental Science and Security Science
X-0 Environmental Science Theory
X-01 environmental protection policy and its elaboration
[X-019] environmental protection law
Present Situation and Development of Environmental Science and Technology in X-1
X-4 Environmental Protection publicity education and Popularization
X-6 Environmental Protection Reference
X-65 environmental protection standards
Basic environmental standards and standards for X-650
X-651 Environmental Quality Standard
X-652 pollutant emission standards
X-657 Environment Sign
X1 basic environmental science theory
X11 environmental mathematics
X12 Environmental Physics
X121 environmental Acoustics
X122 environmental Optics
X123 environment Electromagnetism
X124 environment heat
X125 environmental radiology
X13 Environmental Chemistry
X131 Environmental Pollution Chemistry
X131.1 Air Pollution Chemistry
X131.2 Water Pollution Chemistry
X131.3 Soil Pollution Chemistry
X132 Environmental Analysis Chemistry
X14 Environmental Learning
X141 Environmental Geology
X142 Environmental Chemistry
X143 environmental Hydrology
X144 Environmental Geography
X145 environment oceanic
X16 environmental meteorology
X169 Ambient Air Dynamics
X17 Environmental Biology
X171 ecosystem and pollution Ecology
X171.1 ecosystem and environment
[X171.3] ecological agriculture
X171.4 ecological construction and ecological restoration
X171.5 pollution Ecology
X172 Environmental Microbiology
X173 environmental Botany
X174 environment Animal Science
X176 biodiversity protection
[X18] environmental medicine
[X191] Environmental Psychology
X192 Environmental System Science (Environmental System Engineering)
X196 Environmental Economics
[X197] environmental law
X2 Society and Environment
X21 environment and Environment System
X22 Environment and development
X24 relationships between humans, resources, energy, and Environment
X26 environment capacity and environment self-cleaning
X3 environmental protection management
X32 environment planning and management
X321/324 various environmental planning and management
01 Environment Planning
012 pollution prevention and control plan
013 Ecological Planning
02 Environment Management
021 Environment Management Decision-Making
022 environmental management systems and measures
029 Environment Management Information System
08 Environment Bulletin
X321 regional environment planning and management
X322 Department Environment Planning and Management
{X323} Pollution Control Planning and Management
X324 environmental protection industry Planning and Management
X327 Hazardous Substances Management
X328 Environmental Supervision
[X33] environmental sanitation and sanitation engineering
[X34] Radiation Hygiene and Radiation Protection
Planning and management of the x36 Nature Reserve
X37 Rational Development of Natural Resources and Environmental Protection
X38 environment and clean production (pollution-free technology)
Research on clean energy (non-pollution energy) in x382
Research on Clean Fuel
Research on x383 Cleaning Technology (non-pollution process)
Research on x384 pollution-free products
X4 disaster and Prevention
X43 natural disasters and Prevention
X45 man-made disasters and Prevention
X5 Environmental Pollution and Prevention
X50 general questions
X501 Environmental Pollution Source
X502 pollution analysis and determination
Dangers of x503 Environmental Pollution
Harm of x503.1 to human body
X503.2 biological hazards
X503.22 animals
X503.221 livestock
X503.223 insects
X503.224 birds
X503.225 fish and aquatic products
X503.23 plants
X503.231 crops
X503.233 flowers and grasses
X503.235 trees
Influence of x503.5 on building and building equipment
X505 environmental pollution prevention methods and equipment
Control and elimination of x506 Environmental Pollution
X507 environmental accidents and emergency measures
X508 Environmental Pollution Investigation
X51/593 various Environmental Pollution and Prevention
X51 Air Pollution and Prevention
X511 gas phase pollutants
X512 foul odor
X513 granular pollutants
X515 light smog
X517 acid rain
X52 Water Pollution and Prevention
X522 River
X523 groundwater
X524 lakes and reservoirs
X53 Soil Pollution and Prevention
X54 rock formation Pollution and Prevention
X55 marine pollution prevention and control
X56 food Pollution and Prevention
X57 heat Pollution and Prevention
X591 radioactive material Pollution and Prevention
Pollution and Prevention of agricultural chemicals and toxic chemicals in x592
[X593] noise, vibration and Control
X7 waste processing and Comprehensive Utilization
General questions about c1.0.
Treatment and Utilization of x701 exhaust gas
X701.2 Smoke Removal and dust removal
X701.3 desulfurization and Sulfur Fixation
X701.7 other waste gas treatment
Treatment and Utilization of x703 Wastewater
X703.1 Technical Method
X703.3 Device
X703.5 Additive
Treatment and Utilization of x705 Solid Waste
X706 Waste Heat Utilization
[X707] Noise and Vibration Control and Its Utilization
X708 waste pollution Investigation
X71/799 various waste disposal
X71 agricultural waste disposal and Comprehensive Utilization
X712 agriculture and sideline
X713 Animal Husbandry
X714 Water Industry
X72 forest industrial waste disposal and Comprehensive Utilization
X73 transportation industry waste disposal and Comprehensive Utilization
X731 Railway
X734 Road
X734.2 Automobile
X736 Waterway
X736.1 port docks
X736.3 ship
X738 Aviation
X738.2 Airport
X74 waste treatment and comprehensive utilization of Oil and Natural Gas Industry
X741 oil and gas fields
X742 Petroleum Refining
X743 natural gas processing
Waste disposal and Comprehensive Utilization of x75 mining and metallurgical industries
X751 Mining Engineering
X752 Coal Mine
X753 Metal Mine
X754 Non-Metallic Ore
X756 Metallurgical Industry
Smelting of black metal x757
X758 Nonferrous Metal Industry
X76 industrial waste disposal and Comprehensive Utilization of machinery and instrumentation
X77 power industrial waste disposal and Comprehensive Utilization
X771 atomic energy industry
X773 Power Industry
X78 chemical industry waste treatment and comprehensive utilization
X781 inorganic chemical industry
X781.1 electroplating and electrolytic industry
X781.2 chlor-alkali industry
X781.3 Inorganic Acid Production
X781.4 production of ammonia and Ammonium Salt
X781.5 silicate Industry
X783 Organic Chemical Industry
X783.1 polymer Industry
X783.2 synthetic resin and plastic industry
X783.3 Rubber Industry
X783.4 Chemical Fiber Industry
X783.5 Fiber Quality Processing Industry
X784 fuel Chemical Industry
X785 grease Industry
X786 chemical fertilizer and pesticide industry
X787 Pharmaceutical Industry
X788 dyes, pigments and Coatings Industry
X789 other chemical industries
X79 light industrial waste disposal and Comprehensive Utilization
X791 textile and printing and dyeing industry
X792 Food Industry
X793 Papermaking Industry
X794 Leather Industry
X795 Tobacco Industry
X796 Printing Industry
X797 brewing industry
X798 other light industries
X799 others
X799.1 Architecture
X799.3 life
X799.5 Hospital
X8 Environmental Quality Assessment and Environmental Monitoring
X82 Environmental Quality Analysis and Evaluation
X820 general questions
X820.1 Environmental Background Value Analysis
X820.2 Comprehensive Evaluation of Environmental Quality
Environmental Impact Assessment
X800004 risk assessment
Evaluation on pollution prevention and control effect of x81166
X83169 Environment Report
X821/827 Environmental Quality Assessment
Environmental Quality Assessment in x821 Region
Comprehensive Evaluation of {x822} Environmental Quality
X823 atmospheric rating
X824 Water Quality Assessment
X825 soil Evaluation
X826 Biological and Ecological Evaluation
Environmental Noise and Vibration evaluation of x827
{X828} Environmental Impact Assessment
{X829} dyeing treatment effect analysis
X83 Environment Monitoring
X830 general questions
X830.1 monitoring sample collection
X830.2 Monitoring and Analysis Method
X830.3 Monitoring Data Processing
X830.5 Monitoring Quality Control
X830.7 Emergency Monitoring
X831/839.2 various environmental monitoring
X831 atmospheric monitoring
X832 Water Quality Monitoring
X833 soil monitoring
X834 marine monitoring
X835 biological and ecological monitoring
X836 food monitoring
X837 radioactive and electromagnetic pollution monitoring
X838 human pollution monitoring
{X839} Noise and Vibration Monitoring
X839.1 Noise and Vibration Monitoring
X839.2 agricultural chemicals monitoring
X84 environmental monitoring network, station, and Monitoring System
X85 Environmental Monitoring Instruments
X851 Atmospheric Monitoring Instrument and Equipment
X853 Water Quality Monitoring Equipment
X859 other monitoring equipment
X87 Environmental Remote Sensing
X9 Security Science
X9-6 Security Science reference
X9-65 Safety Standards (Labor Hygiene and Safety Standards)
X91 Basic Security Science Theory
X910 Security human styles
X911 Security Psychology
X912 Security physiology
X912.9 Security Human & Machine Learning
X913 Security Systems
X913.1 Security Operations Research
X913.2 Security Information Theory
X913.3 Security Control Theory
X913.4 Security System Engineering
{X914} Security Human-Machine Learning
X915.1 Security Metrology
X915.2 Security Sociology
[X915.3] Security Law
X915.4 security economics
[X915.5] natural disasters
X92 Security Management (Labor Protection Management)
X921 Security Management (Labor Protection) policies and descriptions
X922 Security Organization and Management Organization
X922.1 world
X922.2 China
X922.21/. 27 Integrated Management Organization
X922.28 Department Management Organization
X922.3/. 7 countries
X923 Security Research Management
X924 Security Monitoring
{X924.1} Security Monitoring
X924.2 security monitoring technology and equipment
X924.3 Security Monitoring System
X924.4 Security Control Technology
X925 Security Education
X928 Accident Investigation and Analysis (Industrial Injury Accident Analysis and Prevention)
X928.0 general questions
X928.01 accident statistics and report
X928.02 troubleshooting
X928.03 accident prevention and Prediction
X928.04 Accident Rescue
X928.06 accident case Compilation
X928.1/. 9 investigation and analysis of various accidents
X928.1 Dust hazard accident
X928.2 electric shock and electric injury
X928.3 Boiler and Pressure Vessel accidents
X928.4 Mechanical Injury Accident
X928.5 accidents caused by chemicals
X928.6 physical accident
X928.7 Fire and Explosion Accidents
X928.9 others
X93 Security Engineering
X93-6 Safety Engineering references
X93-65 safety procedure
X931 Industrial Security (General)
X932 explosion safety and fire prevention and explosion proof
X933 Boiler and Pressure Vessel Safety
[X933.2] Boiler Safety
[X933.4] Pressure Container Security
X933.7 boiler smoke hazard
[X934] Electrical Safety
[X935] geological exploration Security
[X936] Mine Security
[X937] Petroleum and Chemical Industry Security
[X938] metallurgical industry security
[X941] safety of Mechanical and metal processes
[X942] Welding Process Safety
X943 safety of lifting and handling
[X944] weapons industry security
[X945] Power Industry Security
[X946] Nuclear Industry Security
[X947] construction safety
[X948] Security of light industry and handicraft industry
[X949] aviation and aerospace Security
X951 transport security
X954 agricultural, forest, and fishery Security
X956 life safety
X959 others
X96 Labor and Health Engineering
[X961] environmental sanitation
X962 industrial ventilation
X963 industrial lighting
X964 industrial dust prevention
X965 industrial Anti-Virus
[X966] Noise and Vibration Control
X967 protection against abnormal Air Pressure
X968 High and Low Temperature Protection