| First letter | Keywords | Number |
|---|
| 0-9 | 3D printing (3), 5-hydroxymethylfurfural (3), 3D imaging (1), 2'-Octoxyacetophenone (1), 2,2'-bipyridine (1), 3DIC (1) etc. | 10 |  |
|---|
| A | adsorption (11), Ammonia (7), Aqueous two-phase system (3), Atomic Layer Deposition (3), Antibody (3), Agglomeration (3) etc. | 157 | |
|---|
| B | Biomass (5), Biomethanation (3), Biochar (3), bio-oil (3), Biomass gasification (3), Biogas Upgrading (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), CO2 methanation (4) etc. | 171 | |
|---|
| D | Deep Learning (6), deep eutectic solvent (6), Deep Tech (5), Dehydration (4), Direct Air Capture (4), drying (4) etc. | 128 | |
|---|
| E | Escherichia coli (5), Electrocatalysts (5), Electrolysis (4), Extraction (4), economic evaluation (3), electrocatalyst (3) etc. | 108 | |
|---|
| F | Flame spray pyrolysis (2), Fast Pyrolysis Bio-Oil (2), Fluid Mechanics (2), Fischer-Tropsch synthesis (2), Fischer-Tropsch (2), Flue gas (2) etc. | 69 | |
|---|
| G | Graphene (3), Green Transformation (2), Green Hydrogen (2), Gene therapy vector (1), Gasifier (1), Growth (1) etc. | 53 | |
|---|
| H | Hydrogen production (15), Hydrogen (11), Hydrogel (7), Hydrogen storage (5), Hydrate (2), hydrothermal (2) etc. | 128 | |
|---|
| I | interfacial affinity (2), interfacial polymerization (2), I-V characteristics (2), ion gel (2), internal interactions (1), in vitro (1) etc. | 63 | |
|---|
| K | key parameters (1), Knowledge Management (1), kernel method (1), kolbe electrolysis (1), kinetic study (1), kinetic parameters (1) etc. | 8 | |
|---|
| L | liquid-liquid mixing (3), liposome (3), lithium-ion battery (3), lithium-Ion batteries (3), Life cycle assessment (2), Lithium-ion battery recycling (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), nanoparticle (4), nanoparticles (4), Neural Network (3), Ni Catalyst (2), nucleation (2) etc. | 89 | |
|---|
| O | Optimization (4), organic chelating ligand (2), Operations and Maintenance (2), oxidation kinetics (1), Organic ligands (1), OBR (1) etc. | 43 | |
|---|
| P-PH | PFAS (6), pervaporation (3), Photocatalyst (3), Phase Change Material (2), phase equilibrium (2), Particle Size (2) etc. | 81 | |
|---|
| PI-PZ | process simulation (9), Process modeling (5), Polymer (5), Process design (3), Plot Plan (2), polymer blends (2) etc. | 139 | |
|---|
| Q | Quantum computing (1), Qualification system (1), quantitative visualization (1), Quadrupole Mass Spectrometry (1), Questionnaire Survey (1) | 5 | |
|---|
| R | Renewable energy (4), recycling (4), Redox flow battery (4), Regenerative medicine (3), Recycle (3), Rotating bed (3) etc. | 84 | |
|---|
| S-SO | Seawater Electrolysis (4), slug flow (4), simulation (4), SOEC (3), Softsensor (3), Silica nanoparticles (2) etc. | 112 | |
|---|
| SP-SZ | Supercritical Fluid Deposition (5), Startup (5), Surfactant (4), Suspension (3), spray drying (3), supercapacitor (2) etc. | 94 | |
|---|
| T | Thermal management (2), transfer learning (2), thermodynamic properties (1), Torrefaction (1), Ternary mixture (1), Thraustochytrid (1) etc. | 58 | |
|---|
| U | ultrasound (3), uMLIP (1), University (1), Ultrasonic velocity (1), ultrafiltration (1), Urea electrosynthesis (1) etc. | 15 | |
|---|
| V | Viscosity (5), Vesicle (3), Viscoelastic Fluid (2), Various zwitterionic copolymers (1), vapor-liquid equilibrium (1), vaccine (1) etc. | 27 | |
|---|
| W | water electrolysis (10), Water treatment (7), woody biomass (3), Waste utilization (2), Waste management (1), Waste plastics (1) etc. | 45 | |
|---|
| X | X-Ray CT (1) | 1 | |
|---|
| Y | Yttrium doping (1), Yield stress (1), yielding behavior (1), Yarrowia lipolytica (1) | 4 | |
|---|
| Z | Zeolite (12), zif-8 (2), Zinc-Air Battery (1), ZnO formation (1), Zero Liquid Discharge (1), zwitterionic polymer (1) etc. | 21 | |
|---|
| 非英数字 | * (17) | 17 | |
|---|
