| First letter | Keywords | Number |
|---|
| 0-9 | 3D Printing (3), 5-hydroxymethylfurfural (3), 3D imaging (1), 2,2'-bipyridine (1), 2'-Octoxyacetophenone (1), 3DIC (1) etc. | 10 |  |
|---|
| A | Adsorption (11), ammonia (7), atomic layer deposition (3), Agglomeration (3), antibody (3), aqueous two-phase system (3) etc. | 157 | |
|---|
| B | Biomass (5), biomethanation (3), Biochar (3), Biomass gasification (3), bio-oil (3), Bioreactor (2) etc. | 89 | |
|---|
| C-CH | carbon nanotube (8), CFD (8), Carbon neutral (6), catalyst (6), Carbon dioxide (5), CCS (5) etc. | 157 | |
|---|
| CI-CZ | CO2 capture (12), Crystallization (8), CO2 (7), computational fluid dynamics (6), COSMO-SAC (5), CO2RR (4) etc. | 171 | |
|---|
| D | deep eutectic solvent (6), Deep learning (6), Deep Tech (5), Direct air capture (4), drying (4), Dehydration (4) etc. | 128 | |
|---|
| E | Escherichia coli (5), electrocatalysts (5), extraction (4), Electrolysis (4), electrocatalyst (3), Economic evaluation (3) etc. | 108 | |
|---|
| F | Fischer-Tropsch synthesis (2), Flue gas (2), Flame spray pyrolysis (2), Fluid Mechanics (2), Fischer-Tropsch (2), Fast Pyrolysis Bio-Oil (2) etc. | 69 | |
|---|
| G | graphene (3), Green Transformation (2), Green Hydrogen (2), Growth (1), guanidine (1), Graph partitioning (1) etc. | 53 | |
|---|
| H | Hydrogen production (15), hydrogen (11), Hydrogel (7), Hydrogen storage (5), Hybrid model (2), Heat transfer (2) etc. | 128 | |
|---|
| I | ion gel (2), I-V characteristics (2), Interfacial polymerization (2), interfacial affinity (2), integrated renewable energy systems (1), interlayer expansion (1) etc. | 63 | |
|---|
| K | Kinetic Monte Carlo (1), kolbe electrolysis (1), Knowledge Management (1), key parameters (1), kinetic parameters (1), Key group (1) etc. | 8 | |
|---|
| L | lithium-ion battery (3), Liposome (3), Lithium-ion batteries (3), liquid-liquid mixing (3), Lithium-ion battery recycling (2), Life cycle assessment (2) etc. | 78 | |
|---|
| M-MH | Machine learning (36), membrane (12), Metal-organic frameworks (11), Metabolic Engineering (9), Mechanochemistry (5), Methane Fermentation (4) etc. | 154 | |
|---|
| MI-MZ | molecular dynamics (12), Mixing (11), molecular dynamics simulation (5), Microfluidic device (3), Microalgae (3), Microchannel (2) etc. | 107 | |
|---|
| N | Numerical simulation (12), nanoparticle (4), Nanoparticles (4), neural network (3), Ni Catalyst (2), Nanofiltration (2) etc. | 89 | |
|---|
| O | Optimization (4), organic chelating ligand (2), Operations and Maintenance (2), Organizational Accident (1), organic solvent reverse osmosis (1), Organic Active Material (1) etc. | 43 | |
|---|
| P-PH | PFAS (6), pervaporation (3), Photocatalyst (3), phase equilibrium (2), particle size (2), Phase change material (2) etc. | 81 | |
|---|
| PI-PZ | Process simulation (9), Polymer (5), Process modeling (5), Process design (3), Plastic recycling (2), Plot Plan (2) etc. | 139 | |
|---|
| Q | Quantum computing (1), Quadrupole Mass Spectrometry (1), Qualification system (1), quantitative visualization (1), Questionnaire Survey (1) | 5 | |
|---|
| R | Redox flow battery (4), Renewable energy (4), Recycling (4), Regenerative medicine (3), Recycle (3), Rotating bed (3) etc. | 84 | |
|---|
| S-SO | slug flow (4), Simulation (4), seawater electrolysis (4), SOEC (3), Softsensor (3), SiC (2) etc. | 112 | |
|---|
| SP-SZ | Supercritical Fluid Deposition (5), Startup (5), Surfactant (4), Spray drying (3), Suspension (3), Synthesis conditions (2) etc. | 94 | |
|---|
| T | thermal management (2), Transfer learning (2), Thermal plasma (1), Thermochemical heat storage (1), Taylor-Couette flow (1), Transportation by Ship (1) etc. | 58 | |
|---|
| U | Ultrasound (3), Ultrasonic velocity (1), uMLIP (1), University (1), Ultrafine bubbles (1), Unsaturated polyester resin (1) etc. | 15 | |
|---|
| V | viscosity (5), Vesicle (3), Viscoelastic Fluid (2), Value chain (1), Valve (1), V2O5 (1) etc. | 27 | |
|---|
| W | water electrolysis (10), water treatment (7), Woody Biomass (3), Waste Utilization (2), Wetting process (1), Waste plastics, (1) etc. | 45 | |
|---|
| X | X-Ray CT (1) | 1 | |
|---|
| Y | Yttrium doping (1), Yarrowia lipolytica (1), Yield stress (1), yielding behavior (1) | 4 | |
|---|
| Z | Zeolite (12), ZIF-8 (2), ZnO formation (1), Zn-air battery (1), Zero Liquid Discharge (1), Zinc-Air Battery (1) etc. | 21 | |
|---|
| 非英数字 | * (17) | 17 | |
|---|
