| First letter | Keywords | Number |
|---|
| 0-9 | 3D Printing (3), 5-hydroxymethylfurfural (3), 3DIC (1), 2,2'-bipyridine (1), 2'-Octoxyacetophenone (1), 3D imaging (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), bio-oil (3), Biomethanation (3), Biochar (3), Biomass gasification (3), Bioreactor (2) etc. | 89 | |
|---|
| C-CH | CFD (8), carbon nanotube (8), Catalyst (6), Carbon neutral (6), CCS (5), Carbon dioxide (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 eutectic solvent (6), deep learning (6), Deep Tech (5), Direct air capture (4), drying (4), Dehydration (4) etc. | 128 | |
|---|
| E | electrocatalysts (5), Escherichia coli (5), electrolysis (4), extraction (4), electrocatalyst (3), Economic evaluation (3) etc. | 108 | |
|---|
| F | Fluid Mechanics (2), Fast Pyrolysis Bio-Oil (2), Fischer-Tropsch synthesis (2), Flue gas (2), Flame spray pyrolysis (2), Fischer-Tropsch (2) etc. | 69 | |
|---|
| G | Graphene (3), Green Hydrogen (2), Green transformation (2), Gas separation membrane (1), Glycolysis (1), Gaussian process regression (1) etc. | 53 | |
|---|
| H | hydrogen production (15), Hydrogen (11), Hydrogel (7), Hydrogen storage (5), Heat transfer (2), Hydrate (2) etc. | 128 | |
|---|
| I | ion gel (2), I-V characteristics (2), Interfacial polymerization (2), interfacial affinity (2), Iodine Oxidation Reaction (1), Iron and Steelmaking (1) etc. | 63 | |
|---|
| K | kinetic parameters (1), key parameters (1), kernel method (1), kinetic study (1), Knowledge Management (1), kolbe electrolysis (1) etc. | 8 | |
|---|
| L | lithium-ion battery (3), liposome (3), liquid-liquid mixing (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), Microchannel (2) etc. | 107 | |
|---|
| N | Numerical simulation (12), nanoparticle (4), Nanoparticles (4), neural network (3), nucleation (2), Ni Catalyst (2) etc. | 89 | |
|---|
| O | Optimization (4), Operations and Maintenance (2), organic chelating ligand (2), Optimization of fed-batch cell culture process (1), Oxygen condition (1), organ-selective delivery (1) etc. | 43 | |
|---|
| P-PH | PFAS (6), pervaporation (3), Photocatalyst (3), Phase change material (2), Particle Size (2), phase equilibrium (2) etc. | 81 | |
|---|
| PI-PZ | Process Simulation (9), Process modeling (5), Polymer (5), Process design (3), Process informatics (2), Pore Size Distribution (2) etc. | 139 | |
|---|
| Q | Quantum computing (1), Qualification system (1), Questionnaire Survey (1), quantitative visualization (1), Quadrupole Mass Spectrometry (1) | 5 | |
|---|
| R | Redox flow battery (4), Renewable energy (4), Recycling (4), Rotating bed (3), Regenerative medicine (3), Recycle (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), Suspension (3), spray drying (3), Swelling (2) etc. | 94 | |
|---|
| T | Transfer learning (2), Thermal management (2), two-stage biomass gasification system (1), Temperature distribution (1), Thermal storage system (1), transport phenomenon (1) etc. | 58 | |
|---|
| U | Ultrasound (3), University (1), Ultrafine bubbles (1), Urea electrosynthesis (1), Ultrasonic velocity (1), ultrafiltration membrane (1) etc. | 15 | |
|---|
| V | Viscosity (5), vesicle (3), Viscoelastic Fluid (2), Value chain (1), Viscoelasticity (1), VRC (1) etc. | 27 | |
|---|
| W | water electrolysis (10), Water treatment (7), Woody Biomass (3), Waste Utilization (2), Wireless Power Transfer (1), Water plasma (1) etc. | 45 | |
|---|
| X | X-Ray CT (1) | 1 | |
|---|
| Y | yielding behavior (1), Yield stress (1), Yttrium doping (1), Yarrowia lipolytica (1) | 4 | |
|---|
| Z | Zeolite (12), zif-8 (2), ZnO formation (1), Zn-air battery (1), zwitterionic polymer (1), Zinc-Air Battery (1) etc. | 21 | |
|---|
| 非英数字 | * (17) | 17 | |
|---|
