| First letter | Keywords | Number |
|---|
| 0-9 | 3D printing (2), 3D bioprinting (2), 3D protein immobilization (1), 2,2'-bipyridine (1), 13C labeling (1), 3D printability (1) etc. | 11 |  |
|---|
| A | Adsorption (10), active matter (4), Air separation (3), Amine (3), AI (3), Alkaline water electrolysis (3) etc. | 163 | |
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| B | Biomass (6), Biodegradable polymer (2), Bioethanol (2), Biopharmaceuticals (2), Bubble rise motion (2), Boudouard reaction (1) etc. | 91 | |
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| C-CH | Catalyst (11), carbon dioxide (8), CFD (8), carbon nanotube (4), Chemical Recycling (3), CCU (3) etc. | 157 | |
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| CI-CZ | CO2 capture (11), Crystallization (11), CO2 electrolysis (6), CO2 (3), CO2 Absorption (3), coating (3) etc. | 186 | |
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| D | Deep eutectic solvent (12), direct air capture (8), drying (6), Drop-in fuel (5), Degradation (4), Distillation (3) etc. | 150 | |
|---|
| E | Emulsion (8), extraction (6), Electrocatalyst (4), electrodialysis (4), Electrolysis (4), Encapsulation (3) etc. | 133 | |
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| F | Fluidized bed (4), Flame spray pyrolysis (4), Fuel Cell (4), Fine Bubble (4), freezing (3), Fischer-Tropsch synthesis (3) etc. | 122 | |
|---|
| G | gasification (4), Gold (4), gas separation (3), Gas sensor (3), gold nanoparticle (3), Gold nanoparticles (3) etc. | 81 | |
|---|
| H | Hydrogen production (16), hydrogen (7), hydrogel (7), Hydrolysis (3), Hydrogen evolution reaction (3), Hydrogenation (3) etc. | 140 | |
|---|
| I | Interfacial polymerization (10), Ionic liquid (6), Interface (4), ionic liquids (2), Iron (2), Independent Protection Layer (2) etc. | 96 | |
|---|
| J | Janus particle (2), jam (1), Japanese Traditional Company (1) | 4 | |
|---|
| K | kinetics (2), Kinetic Analysis (1), kinetic model (1), K promotion (1), Komagataella phaffii (1), Kinetic analysis of hydrodefluorination (1) etc. | 7 | |
|---|
| L | Lithium-Ion Battery (4), liposome (4), LLM (3), liquid crystal (3), Liquid-Liquid Phase Separation (3), lipid assembly (3) etc. | 97 | |
|---|
| M-MH | Machine learning (31), Metal-organic frameworks (15), Methanation (8), Metal-organic framework (6), Membrane (6), membrane separation (4) etc. | 166 | |
|---|
| MI-MZ | mixing (9), MOF (5), Microwave (4), molecular dynamics (4), Microwave heating (3), Microcapsule (3) etc. | 114 | |
|---|
| N | numerical simulation (5), nanofiber (3), nanoparticle (3), nanoparticles (3), Ni catalyst (3), Nickel (3) etc. | 81 | |
|---|
| O | organic solvent reverse osmosis (5), Organic solvent nanofiltration (5), Oxidation (2), Organic solvent (2), Oxygen Reduction Reaction (2), Organosilica membrane (2) etc. | 65 | |
|---|
| P-PH | Peptide (8), PFAS (7), Photocatalyst (6), pervaporation (4), Phase change material (3), Phase equilibria (3) etc. | 115 | |
|---|
| PI-PZ | process simulation (6), Polyamide membrane (5), Plant oil deoxygenation (5), Polymer electrolyte fuel cell (5), Process design (4), Pyrolysis (4) etc. | 183 | |
|---|
| Q | quartz crystal microbalance (2), QCM (2), quality (1), Quantum Sieving (1), Quality management (1), Quincke Roller (1) etc. | 9 | |
|---|
| R | recycling (4), Rheology (3), rare earth (2), Redox (2), Reverse osmosis (2), Renewable energy (2) etc. | 73 | |
|---|
| S-SO | simulation (7), Self-assembly (6), Silica (4), Separation (4), Solid Catalyst (3), solid oxide fuel cell (3) etc. | 136 | |
|---|
| SP-SZ | surfactant (7), Startup (6), Structured catalyst (4), supercritical carbon dioxide (4), supercritical water (4), Surface modification (4) etc. | 134 | |
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| T | Thermal conductivity (3), Taylor-Couette flow (3), transfer learning (3), transdermal delivery (3), Titanium oxide (2), Thermal Energy Storage (2) etc. | 73 | |
|---|
| U | Upcycling (5), Ultrafine Bubble (4), Ultrasound (2), UiO-66 (2), upcycling technology (1), Unburned Carbon (1) etc. | 29 | |
|---|
| V | Viscosity (6), Viscoelastic fluid (4), Value Chain (2), Viscoelasticity (2), Vapor-liquid equilibria (2), Vinyl acetate monomer (1) etc. | 36 | |
|---|
| W | Woody biomass (8), Water electrolysis (4), Waste plastics (3), Water electrolyzer (2), Water Treatment (2), Wet Spinning (1) etc. | 42 | |
|---|
| X | X-type zeolite membrane (1), X-ray CT (1), XPS analysis (1) | 3 | |
|---|
| Y | Yeast promoter engineering (1), YSZ (1) | 2 | |
|---|
| Z | Zeolite (10), zwitterionic polymer (2), zeolite intergrowths (1), ZnO (1), Zwitterionic copolymer grafting (1), Zirconia-coating (1) etc. | 31 | |
|---|
| 非英数字 | * (4) | 4 | |
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