| First letter | Keywords | Number |
|---|
| 0-9 | 3D printing (3), 5-hydroxymethylfurfural (3), 2'-Octoxyacetophenone (1), 3DIC (1), 3D imaging (1), 2,2'-bipyridine (1) etc. | 10 |  |
|---|
| A | adsorption (11), ammonia (7), Agglomeration (3), Antibody (3), Aqueous two-phase system (3), Atomic Layer Deposition (3) etc. | 157 | |
|---|
| B | biomass (5), Biochar (3), Biomass gasification (3), bio-oil (3), Biomethanation (3), Biopharmaceuticals (2) etc. | 89 | |
|---|
| C-CH | Carbon Nanotube (8), CFD (8), catalyst (6), Carbon Neutral (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), Dehydration (4), Drying (4) etc. | 128 | |
|---|
| E | Escherichia coli (5), Electrocatalysts (5), electrolysis (4), extraction (4), economic evaluation (3), Electrocatalyst (3) etc. | 108 | |
|---|
| F | Fischer-Tropsch synthesis (2), Fischer-Tropsch (2), Fast Pyrolysis Bio-Oil (2), Flame spray pyrolysis (2), Flue gas (2), Fluid Mechanics (2) etc. | 69 | |
|---|
| G | Graphene (3), Green Transformation (2), Green Hydrogen (2), Gas separation (1), Gas Storage (1), Gel (1) etc. | 53 | |
|---|
| H | hydrogen production (15), Hydrogen (11), Hydrogel (7), Hydrogen storage (5), Heat Exchanger (2), hydrogenotrophic methanogens (2) etc. | 128 | |
|---|
| I | interfacial affinity (2), interfacial polymerization (2), I-V characteristics (2), ion gel (2), Iron and Steelmaking (1), interface (1) etc. | 63 | |
|---|
| K | kernel method (1), Kinetic Monte Carlo (1), kinetic parameters (1), key parameters (1), Key group (1), kinetic study (1) etc. | 8 | |
|---|
| L | liposome (3), liquid-liquid mixing (3), lithium-Ion batteries (3), lithium-ion battery (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), miscibility (2) etc. | 107 | |
|---|
| N | Numerical simulation (12), nanoparticles (4), nanoparticle (4), neural network (3), Ni catalyst (2), Nucleation (2) etc. | 89 | |
|---|
| O | Optimization (4), Operations and Maintenance (2), organic chelating ligand (2), Organosolv Pretreatment (1), Organic Wastewater Treatment (1), Oxygen condition (1) etc. | 43 | |
|---|
| P-PH | PFAS (6), pervaporation (3), Photocatalyst (3), peptide (2), Phase Change Material (2), phase equilibrium (2) etc. | 81 | |
|---|
| PI-PZ | Process simulation (9), Polymer (5), Process modeling (5), Process design (3), Platinum group metals (2), pore size distribution (2) etc. | 139 | |
|---|
| Q | Quadrupole Mass Spectrometry (1), Questionnaire Survey (1), Qualification system (1), quantitative visualization (1), Quantum computing (1) | 5 | |
|---|
| R | Renewable energy (4), Redox flow battery (4), Recycling (4), Rotating bed (3), Recycle (3), Regenerative medicine (3) etc. | 84 | |
|---|
| S-SO | simulation (4), Seawater Electrolysis (4), slug flow (4), Softsensor (3), SOEC (3), Silicalite-1 membrane (2) etc. | 112 | |
|---|
| SP-SZ | Supercritical Fluid Deposition (5), Startup (5), Surfactant (4), Spray drying (3), Suspension (3), swelling (2) etc. | 94 | |
|---|
| T | Thermal management (2), Transfer learning (2), Terpene (1), Temperature-responsive polymer (1), turbulent flow (1), Topological insulator (1) etc. | 58 | |
|---|
| U | Ultrasound (3), Urea electrosynthesis (1), Upgrading (1), unreacted core model (1), uMLIP (1), Ultrasonic velocity (1) etc. | 15 | |
|---|
| V | Viscosity (5), Vesicle (3), Viscoelastic Fluid (2), virus-like particle (1), VHH antibody (1), Valuable metals (1) etc. | 27 | |
|---|
| W | water electrolysis (10), Water treatment (7), woody biomass (3), Waste Utilization (2), Waste plastics, (1), Water (1) etc. | 45 | |
|---|
| X | X-Ray CT (1) | 1 | |
|---|
| Y | Yttrium doping (1), yielding behavior (1), Yarrowia lipolytica (1), Yield stress (1) | 4 | |
|---|
| Z | zeolite (12), zif-8 (2), ZnO formation (1), Zinc Oxide (1), zwitterionic polymer (1), Zero Liquid Discharge (1) etc. | 21 | |
|---|
| 非英数字 | * (17) | 17 | |
|---|
