Those with an impact factor above 40
Those with an impact factor above 40, Total:184 items.
The international standard classification for "Those with an impact factor above 40" includes: Welded joints , Environmental protection .
The Chinese standard classification for "Those with an impact factor above 40" includes: Welding and cutting , Standardization and quality management .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 6416-1986 Technical factors influencing the quality of the fusion welded joints in steel
- GB/T 24008-2024 Monetary valuation of environmental impacts and related environmental aspects
American Water Works Association (AWWA)
- AWWA ACE92126 The Effect of Molecular Weight and Ionic Strength on Ultrafiltration Permeation Factors
- AWWA ACE70643 Factors Affecting the Formation of NDMA
- AWWA MTC93009 Factors that Influence Cleaning of RO Systems
- AWWA MTC53867 Effect of Process Variables on Membrane Molecular Weight Cut Off Determination and Implications for NOM Rejection by Nanofiltration
- AWWA JAW50181 Journal AWWA — Factors Affecting Filtered Water Turbidity
- AWWA ACE95271 Factors Affecting Disinfection By-Product Formation During Chloramination
- AWWA WQTC52773 Factors Affecting Biofilm Formation in Filters
- AWWA WQTC65827 Factors Influencing Drinking Water Consumption in a Municipal Network
- AWWA ACE58339 Factors Influencing Microbial Water Quality in Distribution Systems
- AWWA ACE95087 Factors Affecting Microbial Growth in the Distribution System
- AWWA ACE65465 From Slippery Slope Factor to Drinking Water Standard: How Risk Assessment Affects the Arsenic MCL
- AWWA JAW55401 Journal AWWA — Factors Affecting Drinking Water Biofiltration
- AWWA ACE99576 Drinking Water TOC Impacts on Reclaimed Water and Consequences for Regulations of Water Reuse Systems
- AWWA ACE58166 Factors Impacting the CFD-Based Modeling of UV Reactor Performance
- AWWA ACE65560 Factors That Affect Legionella Pneumophila in Domestic Water Heaters
- AWWA ACE70832 Factors Influencing Copper Pitting Induced by High pH and High Chlorine
- AWWA WQTC63973 The Effect of Upstream Treatment Processes On the UV Inactivation of Cryptosporidium parvum
- AWWA WQTC62501 Factors Affecting Monochloramine Stability in Ozone-BAC Process
- AWWA JAW46179 Journal AWWA — Enhanced Softening: Factors Influencing DBP Precursor Removal
- AWWA WQTC56987 Factors Influencing Prediction of Cryptosporidium Removal in Riverbank Filtration Systems: Focus on Filtration
- AWWA WQTC62615 What is the Cause of Turbidity in a Groundwater under the Influence of Surface Water Plant?
- AWWA WQTC65978 Factors Affecting Biofilm Density in Drinking Water Distribution Systems
- AWWA WQTC58996 Factors Influencing Selection of Nanofiltration Membranes for Removal of Organics from Surface Water
- AWWA JAW6511 Journal AWWA — Factors Affecting Coliform Bacteria Growth in Distribution Systems
- AWWA QTC98218 Operations and Design Factors Affecting Disinfection Byproducts Case Studies
- AWWA MTC57544 Isolating and Modeling Critical Factors Governing Biofouling of Nanofiltration Membranes
- AWWA JAW6608 Journal AWWA — Factors That Affect Use of Direct Filtration in Treating Surface Waters
- AWWA WQTC50366 Factors Affecting Filtered Water Turbidity Levels at Filtration Plants in Pennsylvania
- AWWA JAW34921 Journal AWWA — Factors Affecting Radium Removal Using Mixed Iron-Manganese Oxides
- AWWA MTC61229 The Effects of Site-Specific Factors on Membrane Systems Capital and Operating Costs
German Institute for Standardization
- DIN-Fachbericht 101:2003-03 Factors Affecting Bridges
- DIN EN 1991-1-2 2010-12(2) Eurocode 1: Actions on structures — Part 1-2: General actions — Actions on structures exposed to fire
- DIN EN ISO 14008:2021-03 Monetary valuation of environmental impacts and related environmental aspects (ISO 14008:2019); German version EN ISO 14008:2020
- DIN 32540:2012 Laser beam removing - Thermal removing with laser beam - Terms and definitions, influence factors, procedure
- DIN EN 12873-4:2006-06 Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranes
- DIN 3990-1:1987 Calculation of load capacity of cylindrical gears; introduction and general influence factors
- DIN 3990-1:1970-01 Calculation of load capacity of cylindrical gears; introduction and general influence factors
Association of German Mechanical Engineers
- VDI 4331 Blatt 1-2013 Monitoring der Wirkung von gentechnisch veraenderten Organismen (GVO) - Wirkung auf Bodenorganismen
- VDI 4331 BLATT 1-2014 Monitoring the effects of genetically modified organisms (GMOs) — Effects on soil organisms
- VDI 4331 BLATT 1-2014 Monitoring the effects of genetically modified organisms (GMOs) — Effects on soil organisms
- VDI 4005 BLATT 2-1983 Influences of environmental conditions on the reliability of technical products; Mechanical influences of the environment
- VDI 4005 BLATT 5-1983 Influences of environmental conditions on the reliability of technical products; Electromagnetic influences of the environment
- VDI 4005 BLATT 3-1983 Influences of environmental conditions on the reliability of technical products; Thermal and climatic influences of the environment
- DVS 0908-2-1978 "Gas-shielded metal arc welding of steel; factors of influence on the weld shape, the influence of the protective gas composition"
- VDI 4005 BLATT 4-1983 Influences of environmental conditions on the reliability of technical products; Chemical-biological influences of the environment
- VDI/VDE 3680 Blatt 1-1974 Control of synchronous machines; Operational and other influencing factors
- VDI 4330 BLATT 1-2006 Observations of ecological effects of genetically modified organisms — Genetically modified plants — Basics and strategies
- VDI 4499 BLATT 5-2023 Digital Factory - Forecasting environmental influences on working people
- VDI 4330 BLATT 7-2006 Monitoring the effects of genetically modified organisms (GMOs) — Qualitative methods for the detection of genetically modified nucleic acids in the environment
- VDI 4330 BLATT 7-2006 Monitoring the effects of genetically modified organisms (GMOs) — Qualitative methods for the detection of genetically modified nucleic acids in the environment
- VDI 4331 BLATT 2-2013 Monitoring the effects of genetically modified organisms (GMOs) — Methods for the extraction of nucleic acids from soils for the analysis of microbial communities and for the detection of transgenic DNA — Quality requirements and application examples
American Gear Manufacturers Association
- 08FTM04-2008 The Effect of Manufacturing Microgeometry Variations on the Load Distribution Factor and on Gear Contact and Root Stresses
- 95FTM3-1995 Effect of Manufacturing Errors on the Predicted Dynamic Factors of Spur Gears
- 01FTM8-2001 The Effect of Spacing Errors and Runout on Transverse Load Sharing and the Dynamic Factor of Spur and Helical Gears
- AGMA 95FTM3 Effect of Manufacturing Errors on the Predicted Dynamic Factors of Spur Gears
- AGMA 95FTM3-1995 Effect of Manufacturing Errors on the Predicted Dynamic Factors of Spur Gears
- AGMA 01FTM8-2001 The Effect of Spacing Errors and Runout on Transverse Load Sharing and the Dynamic Factor of Spur and Helical Gears
- 05FTM17-2005 Influences of Bearing Life Considerations on Gear Drive Design
North Atlantic Treaty Organization Standards Agency
- STANAG 3474-1996 TEMPORARY FLYING RESTRICTIONS DUE TO EXOGENOUS FACTORS AFFECTING AIRCREW EFFICIENCY
Association Francaise de Normalisation
- NF EN ISO 41015:2023 Facility management - Influencing organizational behaviors to achieve better facility outcomes
- NF EN ISO 14008:2020 Monetary valuation of environmental impacts and associated environmental aspects
American Society for Testing and Materials (ASTM)
- ASTM STP 1025-1989 Factors That Affect the Precision of Mechanical Tests
- ASTM STP 646-1985 Effects of atmospheric factors on corrosion of engineering metals
American Petroleum Institute (API)
- API PUBL 4515-1990 Use of Reactivity Factors to Predict Ozone Impacts of Methanol Fuel
- API Publ 2524-1992(2001) Impact Assessment of New Data on the Validity of American Petroleum Institute Marine Transfer Operation Emission Factors
- API PUBL 2524-1992 Impact Assessment of New Data on the Validity of American Petroleum Institute Marine Transfer Operation Emission Factors
- API 4232-1974 STUDY OF FACTORS AFFECTING REACTIONS IN ENVIRONMENTAL CHAMBERS FINAL REPORT - PHASE II
British Standards Institution (BSI)
- BS EN 12873-3:2019 Influence of materials on water intended for human consumption. Influence due to migration. Test method for ion exchange and adsorbent resins
- BS EN ISO 14008:2020 Monetary valuation of environmental impacts and related environmental aspects
- BS ISO 14008:2019 Monetary valuation of environmental impacts and related environmental aspects
- DD ENV 1649-1996 Bar coding. Operational aspects affecting the reading of bar code symbols
- BS ISO 10300-1:2001 Calculation of load capacity of bevel gears-Introduction and general influence factors
- BS ISO 10300-1:2023 Calculation of load capacity of bevel gears - Introduction and general influence factors
- BS ISO 10300-1:2014 Calculation of load capacity of bevel gears. Introduction and general influence factors
- BS PD CEN/TR 16364:2012 Influence of materials on water intended for human consumption. Influence due to migration. Prediction of migration from organic materials using mathematical modelling
Swedish Institute for Standards
- SS-EN 12873-3:2006 Influence of materials on water intended for human consumption - Influence due to migration - Part 3: Test method for ion exchange and adsorbent resins
- SS-EN ISO 14008:2020 Monetary valuation of environmental impacts and related environmental aspects (ISO 14008:2019)
Engineering Sciences Data Unit (ESDU)
- ESDU 13016-2011 Some factors affecting the design of bolted assemblies
American Concrete Institute
- ACI SP-9 Creep of concrete, its influencing factors and prediction
- ACI 209.1R-2005 Report on Factors Affecting Shrinkage and Creep of Hardened Concrete
Welding Research Council
- BULLETIN 290-1983 FACTORS AFFECTING POROSITY IN ALUMINUM WELDS – A REVIEW
- BULLETIN 312-1986 JOINING OF MOLYBDENUM BASE METALS AND FACTORS WHICH INFLUENCE DUCTILITY
- BULLETIN 59-1960 FACTORS WHICH AFFECT LOW-ALLOY WELD METAL NOTCH-TOUGHNESS
- BULLETIN 433-1998 FATIGUE OF BUTT-WELDED PIPE AND EFFECT OF TESTING METHODS: FATIGUE OF BUTT-WELDED PIPE ; EFFECT OF TESTING METHODS ON STRESS INTENSIFICATION FACTORS
- BULLETIN 392-1994 DEVELOPING STRESS INTENSIFICATION FACTORS: I - STANDARDIZED METHOD FOR DEVELOPING STRESS INTENSIFICATION FACTORS FOR PIPING COMPONENTS ; II - EFFECTS OF WELD METAL PROFILE ON THE FATIGUE LIFE OF INTEG
American Welding Society (AWS)
- WRC 290:1983 Factors Affecting Porosity in Aluminum Welds - A Review
- WRC 312:1986 Joining of Molybdenum Base Metals and Factors which Influence Ductility
- WRC 059:1960 Part 1: Factors Which Affect Low-Alloy Weld Metal Notch-Toughness
American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
- ASHRAE 4520-2002 Factors Affecting the Freezing of Water Flowing Inside a Circular Tube
- ASHRAE SA-96-7-1-1996 Factors Affecting the Energy Consumption of Two Refrigerator-Freezers
- ASHRAE CI-01-6-2001 Symposium on the Effect of Safety Factors on Pump Selection and Performance
- ASHRAE AN-04-5-2004 Symposium on Factors Influencing the Energy Performance of Forced-Air Systems
- ASHRAE 4100-1998 Relationships between Structure Factors@ Response Factors@ and Z-Transfer Function Coefficients for Multilayer Walls
International Telecommunication Union (ITU)
- ITU-R P.2040-1 SPANISH-2015 Effects of building materials and structures on radiowave propagation above about 100 MHz
- ITU-T Q.33-1976 Protection against the effects of faulty transmission on groups of circuits
- ITU-T G.1035-2021 Influencing factors on quality of experience for virtual reality services
- ITU-R QUESTION 208-3/3-2005 Propagation factors in frequency sharing issues affecting fixed-satellite services and terrestrial services
- ITU-R P.2040-1-2015 Effects of building materials and structures on radiowave propagation above about 100 MHz
- ITU-R P.2040-2015 Effects of building materials and structures on radiowave propagation above about 100 MHz
- ITU-T Q.33-1984 Protection against the effects of faulty transmission on groups of circuits
- ITU-T G Suppl. 73-2021 Influencing factors on quality of experience for multiview video (MVV) services
- ITU-R P.1060-1994 Propagation Factors Affecting Frequency Sharing in HF Terrestrial Syatems
- ITU-T R.80-1976 Causes of disturbances of signals in VFT channels and their effect on telegraph distortion
- ITU-R S.1553 FRENCH-2002 A possible method to account for environmental and other effects on satellite antenna patterns
- ITU-R S.1553 SPANISH-2002 A possible method to account for environmental and other effects on satellite antenna patterns
- ITU-T R.80 SPANISH-1988 CAUSES OF DISTURBANCES TO SIGNALS IN VFT CHANNELS AND THEIR EFFECT ON TELEGRAPH DISTORTION
- ITU-T R.80-1980 Causes of disturbances to signals in VFT channels and their effect on telegraph distortion
- ITU-R P.1060 FRENCH-1994 PROPAGATION FACTORS AFFECTING FREQUENCY SHARING IN HF TERRESTRIAL SYSTEMS
- ITU-R P.1060 SPANISH-1994 PROPAGATION FACTORS AFFECTING FREQUENCY SHARING IN HF TERRESTRIAL SYSTEMS
- ITU-T R.80-1984 Causes of disturbances to signals in VFT channels and their effect on telegraph distortion
- ITU-T R.80 FRENCH-1988 CAUSES OF DISTURBANCES TO SIGNALS IN VFT CHANNELS AND THEIR EFFECT ON TELEGRAPH DISTORTION
Institute of Interconnecting and Packaging Electronic Circuits (IPC)
- IPC TR-468-1979 Factors Affecting Insulation Resistance Performance of Printed Boards
Society of Automotive Engineers (SAE)
- SAE AIR1922-1995 System Integration Factors That Affect Hydraulic Pump Life
- SAE AIR1922 System Integration Factors That Affect Hydraulic Pump Life
- SAE J862_198106 Factors Affecting Accuracy of Mechanically Driven Automotive Speedometer - Odometers
- SAE AIR1922B-2017 Aerospace System Integration Factors that Affect Hydraulic Pump Life
- SAE J862_198901 Factors Affecting Accuracy of Mechanically Driven Automotive Speedometer and Odometers
- SAE AIR1106-1970 SOME FACTORS AFFECTING VISIBILITY OF AIRCRAFT NAVIGATION LIGHTS
- SAE AIR1922A-2011 Aerospace System Integration Factors that Affect Hydraulic Pump Life
- SAE J862_201108 Factors Affecting Accuracy of Mechanically Driven Automotive Speedometer - Odometers
- SAE AIR1922B-2022 Aerospace – System Integration Factors That Affect Hydraulic Pump Life
- SAE AIR1106B-2014 Some Factors Affecting Visibility of Aircraft Navigation and Anticollision Lights
- SAE AIR1106B-2018 Some Factors Affecting Visibility of Aircraft Navigation and Anticollision Lights
- SAE AIR1922B Aerospace – System Integration Factors That Affect Hydraulic Pump Life
- SAE AIR1106A Some Factors Affecting Visibility of Aircraft Navigation and Anticollision Lights
- SAE AIR1106B Some Factors Affecting Visibility of Aircraft Navigation and Anticollision Lights
- SAE AIR1922A Aerospace - System Integration Factors That Affect Hydraulic Pump Life
- SAE AIR1106A-2004 Some Factors Affecting Visibility of Aircraft Navigation and Anticollision Lights
- SAE AIR1106 Some Factors Affecting Visibility of Aircraft Navigation and Anticollision Lights
- SAE AIR1106A-1991 Some Factors Affecting Visibility of Aircraft Navigation and Anticollision Lights
- SAE ARP1702 Defining and Measuring Factors Affecting Helicopter Turbine Engine Power Available
National Standardisation Body (ASRO)
- STAS SR CEI 479-2-1995 with frequencies above 100 Hz Chapter 5: Effects of special waveforms of current Chapter 6 Effects of unidirec?ional single impulse currents of short duration
American Society of Mechanical Engineers (ASME)
- ASME STP-PT-077-2017 Development of Weld Strength Reduction Factors and Weld Joint Influence Factors for Service in the Creep Regime and Application to ASME Codes
- ASME MFC-10M-1988 Method for establishing installation effects on flowmeters
- ASME MFC-10M-1994 Method for establishing installation effects on flowmeters
National Association of Corrosion Engineers (NACE)
- NACE Paper 11132-2018 Study on the influence of dissolved salt concentration on the performance of offshore coating systems
- NACE Paper 13017-2019 Factors Affecting Droplet Corrosion in Dense Carbon Dioxide
GCC Standardization Organization
- GSO IEC 62396-3:2015 Process management for avionics - Atmospheric radiation effects - Part 3: System design optimization to accommodate the single event effects (SEE) of atmospheric radiation
- GSO EN 12873-4:2024 Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranes
- GSO ISO/TR 28980:2015 Ophthalmic optics -- Spectacle lenses -- Parameters affecting lens power measurement
International Organization for Standardization (ISO)
- ISO/TS 10832:2009 Soil quality - Effects of pollutants on mycorrhizal fungi - Spore germination test
- ISO 14008:2019 Monetary valuation of environmental impacts and related environmental aspects
Gosstandart of Russia
- GOST 30630.1.7-2013 Mechanical environment stability test methods for machines instruments and other industrial products. Test methods for influence of shocks by free fall, shocks by drop on account of topple, influence of rocking and prolonged pitches
- GOST R 51275-2006 Protection of information. Object of informatisation. Factors influencing the information. General
- GOST 24813-1981 Testing of items the point of view of influence on climatic factors. General
- GOST R 51275-1999 Protection of information. Object of informatization. Factors influencing on information. General outlines
- GOST 28205-1989 Basic environmental testing procedures. Part 2. Tests. Guidance for solar radiation testing
- GOST 9.102-1991 Unified system of corrosion and ageing protection. Influence of biological factors on technical objects. Terms and definitions
- GOST 9.102-1978 ESZKS. Impact of biological factors on technical objects. Terms and Definitions
- GOST R 56252-2014 Printed circuit boards. Test Methods for Influence of chemical factors and environment
- GOST 17516-1972 Electrical articles. Operating conditions as to environment mechanical aspects influence
Danish Standards Foundation
- DANSK DS/ISO 14008:2019 Monetary valuation of environmental impacts and related environmental aspects
- DANSK DS/EN ISO 14008:2020 Monetary valuation of environmental impacts and related environmental aspects (ISO 14008:2019)
Korean Agency for Technology and Standards (KATS)
- KS I ISO 14008:2021 Monetary valuation of environmental impacts and related environmental aspects
- KS I ISO 14008-2021 Monetary valuation of environmental impacts and related environmental aspects
- KS I ISO 16387-2005(2020) Soil quality-Effects of pollutants on Enchytraeidae(Enchytraeus sp.)- Determination of effects on reproduction and survival
European Committee for Standardization (CEN)
- EN ISO 14008:2020 Monetary valuation of environmental impacts and related environmental aspects (ISO 14008:2019)
Spanish Association for Standardization (UNE)
- UNE-EN ISO 14008:2020 Monetary valuation of environmental impacts and related environmental aspects (ISO 14008:2019)
Bureau of Indian Standards
- IS 10106 Pt.1/Sec.1-1990 Packaging Instructions Part I Factors Affecting Packaging Selection
- IS 10106 Pt.1-1982 Packaging Instructions Part I Factors Affecting Packaging Selection
- IS 10106-1-1982 Packaging code: Part 1 Factors affecting the selection of packaging
Czech Standards Institute (UNMZ)
- CSN 34 5791-2-9 Z1-2000 Electrical and electronic products. Basic testing. The influence of external factors. Part 2-9: Sunlight Testing
- CSN 34 5791-2-11 Z1-2000 Electrical and electronic products. Basic testing of the influence of external factors. Part 2-11: Test Card: Salt Mist
Institute of Electrical and Electronics Engineers (IEEE)
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
- Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, Stabilizing Qubits with Dynamic Frequencies, the Implications on Post-Quantum Encryption Protocols, and A Hybrid Quantum Internet
European Telecommunications Standards Institute (ETSI)
- ETR 334-1996 Human Factors (HF); The Implications of Human Ageing for the Design of Telephone Terminals
- ETSI ETR 334 ed.1 (1996-12)-1996 Human Factors (HF); The implications of human ageing for the design of telephone terminals
Polski Komitet Normalizacyjny (PKN)
- PN H04733-1972 Determination of electric resistance change factors of metals and alloys influenced by the temperature
Belgian Standards Institute
- NBN C 15-101-3-1989 External influences on low voltage equipment. External impacts of rooms or designated pick-up locations and group spaces
Standards Norway
- NS-EN ISO 14008:2020 Monetary valuation of environmental impacts and related environmental aspects (ISO 14008:2019)
Finnish Standards Institute
- SFS 5318-1987 Environmental factors and their impact levels. Fixtures in safe environments
- SFS 5217-1986 Environmental factors and their impact levels. Fixtures in natural environments
with an impact factor of 5 or higher,Impact factors of 5 to 6,Those with an impact factor above 40,The impact factor is more than ten