| First letter | Keywords | Number |
|---|
| 0-9 | 25th anniversary (2), 3DIC (1), 13C-Metabolic flux analysis (1), 2,5-furandicarboxylic acid (1), 1,3-PDO (1), 2D Ising model (1) etc. | 9 |  |
|---|
| A | adsorption (14), Activated carbon (4), absorption (4), Ammonia (4), ALD (4), antibody (4) etc. | 195 | |
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| B | Biomass (6), bubble dynamics (4), Biomanufacturing (3), Battery (2), Bio-oil upgrading (2), Biological system (2) etc. | 108 | |
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| C-CH | CFD (8), Carbon Neutral (7), carbon nanotube (6), catalyst (6), CCU (6), carbon dioxide (5) etc. | 171 | |
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| CI-CZ | CO2 (10), crystallization (10), CO2 capture (5), CO2 separation (5), CO2 reduction (3), CO2 electroreduction (3) etc. | 181 | |
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| D | Deep eutectic solvent (9), Drying (4), dispersion (3), Degradation (3), Direct Air Capture (3), Dry reforming (3) etc. | 145 | |
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| E | Electrocatalyst (9), Extraction (8), electrocatalysts (4), Emulsion (4), enzyme (3), encapsulated MFI zeolite (2) etc. | 117 | |
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| F | fluidized bed (7), Fuel cell (7), Flame Spray Pyrolysis (4), freeze drying (3), Fouling (3), Fine bubbles (2) etc. | 98 | |
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| G | gas separation (4), graft polymerization (3), green ammonia (3), Gas diffusion layer (3), gold (3), gas hydrate (2) etc. | 68 | |
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| H | Hydrogen (9), Hydrogel (8), Hydrothermal (6), hydrogen peroxide (5), Hydrothermal Treatment (4), Hydrothermal Synthesis (3) etc. | 138 | |
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| I | ionic liquid (7), Interfacial polymerization (5), Image analysis (3), ionomer (2), Innovation (2), Inhibitor (2) etc. | 76 | |
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| J | Jump test (1), Janus multifunctional nanofiber (1), juvenile hormone (1), Japanese Company (1) | 4 | |
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| K | kinetic analysis (2), Kinetic TSA separation (1), kinetic model (1), KMC (1), kappa-carrageenan (1), Kinetic Modeling (1) etc. | 12 | |
|---|
| L | Lithium-ion battery (5), Liposome (4), lignin (3), Liquid-liquid equilibria (3), Liposomes (3), LDES (3) etc. | 93 | |
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| M-MH | Machine Learning (26), Membrane (15), metal-organic frameworks (7), membrane separation (6), methanation (6), materials informatics (4) etc. | 161 | |
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| MI-MZ | mixing (10), molecular dynamics (9), microwave (5), Monolith (3), microcapsule (3), MOF (3) etc. | 127 | |
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| N | Nanoparticles (7), numerical simulation (5), nucleation (5), Nanoparticle (5), Nanofiltration (3), Neural network potential (2) etc. | 80 | |
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| O | Organic solvent nanofiltration (4), Optimization (3), osmotic pressure (3), Oxygen Reduction Reaction (3), Oxygen-enriched air (2), Optical waveguide (1) etc. | 54 | |
|---|
| P-PH | PEFC (6), PFAS (6), Peptide (5), Pervaporation (3), permeability (3), Phase equilibria (2) etc. | 97 | |
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| PI-PZ | polymer (6), polymer electrolyte fuel cell (6), plasma (4), polyelectrolyte complex (4), prediction (3), precious metals (3) etc. | 173 | |
|---|
| Q | questionnaire survey (1), Quartz Crystal Microbalance (1), quantum computing (1), quasi-solid (1), quantum computer (1), Quantitative Evaluation (1) etc. | 7 | |
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| R | Rheology (4), Recycling (3), residence time distribution (3), Risk assessment (3), Reactive crystallization (3), Redox (3) etc. | 81 | |
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| S-SO | separation (8), Solvent extraction (7), silica (5), Solubility (5), Simulation (4), slurry (3) etc. | 144 | |
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| SP-SZ | Startup (7), Supercritical carbon dioxide (7), Supercritical CO2 (5), supercritical water (4), surface modification (4), Surface treatment (3) etc. | 101 | |
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| T | Transdermal drug delivery (4), Thermal energy storage (4), transdermal delivery (4), thermoresponsive polymer (2), titanium dioxide (2), temperature (2) etc. | 79 | |
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| U | Ultrasound (3), Upcycling (2), Ultrafine bubble generator (1), University-Industry Collaboration (1), Uncertainty quantification (1), Ultrafiltration (1) etc. | 22 | |
|---|
| V | vaccine (5), viscosity (4), Viscoelastic fluid (1), vibration (1), Vibrated fluidized bed (1), Vapor-liquid equilibria (1) etc. | 30 | |
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| W | Women's Empowerment (2), Wastewater treatment (2), Water Treatment (2), wettability (2), Wound healing (2), water electrolysis (2) etc. | 36 | |
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| X | xylose (2), XANES/ELNES (1), X-ray CT imaging (1), xylitol (1) | 5 | |
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| Y | Yttrium doping (1), Yoshino cypress (1) | 2 | |
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| Z | zeolite (11), Zirconia based catalyst (1), Zwitterionic nanofiltration membrane (1), ZnO (1), zwitterionic polymer (1), Zn-air battery (1) etc. | 29 | |
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| 非英数字 | * (5), precision medicine (1) | 6 | |
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