| First letter | Keywords | Number |
|---|
| 0-9 | 25th anniversary (2), 3D printing (1), 2,5-furandicarboxylic acid (1), 2D Ising model (1), 1,3-PDO (1), 3DIC (1) etc. | 9 |  |
|---|
| A | Adsorption (14), Absorption (4), Atomic Layer Deposition (4), activated carbon (4), ALD (4), antibody (4) etc. | 195 | |
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| B | Biomass (6), bubble dynamics (4), Biomanufacturing (3), Bubble rise motion (2), Battery (2), Biomaterial (2) etc. | 108 | |
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| C-CH | CFD (8), Carbon neutral (7), carbon nanotube (6), CCU (6), catalyst (6), carbon dioxide (5) etc. | 171 | |
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| CI-CZ | crystallization (10), CO2 (10), CO2 separation (5), CO2 capture (5), CO2 separation membrane (3), Cryopreservation (3) etc. | 181 | |
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| D | deep eutectic solvent (9), Drying (4), Dry reforming (3), Dispersion (3), Degradation (3), dewatering (3) etc. | 145 | |
|---|
| E | Electrocatalyst (9), Extraction (8), Emulsion (4), electrocatalysts (4), enzyme (3), Ethanol (2) etc. | 117 | |
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| F | fluidized bed (7), Fuel cell (7), Flame spray pyrolysis (4), Fouling (3), freeze drying (3), fluoride ion (2) etc. | 98 | |
|---|
| G | gas separation (4), green ammonia (3), gold (3), graft polymerization (3), Gas diffusion layer (3), Glycan (2) etc. | 68 | |
|---|
| 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), Innovation (2), Ionomer (2), inhibitor (2) etc. | 76 | |
|---|
| J | Jump test (1), Janus multifunctional nanofiber (1), Japanese Company (1), juvenile hormone (1) | 4 | |
|---|
| K | kinetic analysis (2), Keratin (1), KMC (1), kLa (1), Korteweg force (1), kinetic reaction model (1) etc. | 12 | |
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| L | Lithium-ion battery (5), Liposome (4), Liquid-liquid equilibria (3), Life cycle assessment (3), LDES (3), lignin (3) etc. | 93 | |
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| M-MH | Machine learning (26), Membrane (15), metal-organic frameworks (7), membrane separation (6), methanation (6), Mechanistic model (4) etc. | 161 | |
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| MI-MZ | mixing (10), Molecular Dynamics (9), microwave (5), monolith (3), microcapsule (3), Molecular dynamics simulation (3) etc. | 127 | |
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| N | Nanoparticles (7), numerical simulation (5), Nanoparticle (5), Nucleation (5), Nanofiltration (3), Nitrous oxide (2) etc. | 80 | |
|---|
| O | Organic solvent nanofiltration (4), osmotic pressure (3), Oxygen Reduction Reaction (3), Optimization (3), Oxygen-enriched air (2), Organic Solvent Stable Protease (1) etc. | 54 | |
|---|
| P-PH | PEFC (6), PFAS (6), Peptide (5), Permeability (3), Pervaporation (3), particle separation (2) etc. | 97 | |
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| PI-PZ | Polymer (6), polymer electrolyte fuel cell (6), plasma (4), polyelectrolyte complex (4), Powder compaction (3), proton conductor (3) etc. | 173 | |
|---|
| Q | quasi-solid (1), QCM (1), questionnaire survey (1), Quartz Crystal Microbalance (1), quantum computing (1), Quantitative Evaluation (1) etc. | 7 | |
|---|
| R | Rheology (4), Risk assessment (3), recycling (3), redox (3), Residence time distribution (3), Reactive crystallization (3) etc. | 81 | |
|---|
| S-SO | separation (8), solvent extraction (7), Solubility (5), Silica (5), simulation (4), slurry (3) etc. | 144 | |
|---|
| SP-SZ | Startup (7), Supercritical carbon dioxide (7), Supercritical CO2 (5), supercritical water (4), surface modification (4), Surface treatment (3) etc. | 101 | |
|---|
| T | Transdermal drug delivery (4), transdermal delivery (4), Thermal energy storage (4), Transdermal (2), Thermoresponsive polymer (2), titanium dioxide (2) etc. | 79 | |
|---|
| U | Ultrasound (3), Upcycling (2), Ultrafine bubble (1), Urea (1), ultrasonic irradiation (1), Ultrafine bubble generator (1) etc. | 22 | |
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| V | Vaccine (5), viscosity (4), viscous fingering (1), Variational Autoencoder (1), Vancomycin (1), virtual sensor (1) etc. | 30 | |
|---|
| W | water electrolysis (2), Wastewater treatment (2), wettability (2), Wound healing (2), Women's Empowerment (2), water treatment (2) etc. | 36 | |
|---|
| X | xylose (2), XANES/ELNES (1), xylitol (1), X-ray CT imaging (1) | 5 | |
|---|
| Y | Yttrium doping (1), Yoshino cypress (1) | 2 | |
|---|
| Z | Zeolite (11), Zeolites (1), ZSM-5 zeolite membrane (1), Zwitterionic nanofiltration membrane (1), Zeolitic Imidazolate Framework-7 (1), zinc cobaltite (1) etc. | 29 | |
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| 非英数字 | * (5), precision medicine (1) | 6 | |
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