| First letter | Keywords | Number |
|---|
| 0-9 | 25th anniversary (2), 3D printing (1), 2D Ising model (1), 2,5-furandicarboxylic acid (1), 13C-Metabolic flux analysis (1), 1,3-PDO (1) etc. | 9 |  |
|---|
| A | adsorption (14), ALD (4), antibody (4), Ammonia (4), Absorption (4), Atomic Layer Deposition (4) etc. | 195 | |
|---|
| B | Biomass (6), Bubble dynamics (4), Biomanufacturing (3), Bioprocess (2), biogas (2), Battery (2) etc. | 108 | |
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| C-CH | CFD (8), Carbon neutral (7), catalyst (6), carbon nanotube (6), CCU (6), carbon dioxide (5) etc. | 171 | |
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| CI-CZ | crystallization (10), CO2 (10), CO2 separation (5), CO2 capture (5), cryopreservation (3), CO2 reduction (3) etc. | 181 | |
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| D | deep eutectic solvent (9), Drying (4), Dispersion (3), Discrete Element Method (3), Dry reforming (3), dewatering (3) etc. | 145 | |
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| E | electrocatalyst (9), Extraction (8), electrocatalysts (4), emulsion (4), enzyme (3), Enzymatic reaction (2) etc. | 117 | |
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| F | Fuel cell (7), fluidized bed (7), Flame spray pyrolysis (4), Fouling (3), freeze drying (3), Fluorescence (2) etc. | 98 | |
|---|
| G | gas separation (4), Green ammonia (3), graft polymerization (3), gold (3), gas diffusion layer (3), Glycan (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), Induction Heating Mixing Impeller (2), Innovation (2), Inhibitor (2) etc. | 76 | |
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| J | Japanese Company (1), Janus multifunctional nanofiber (1), juvenile hormone (1), Jump test (1) | 4 | |
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| K | kinetic analysis (2), KMC (1), Korteweg force (1), kappa-carrageenan (1), Kinetic TSA separation (1), kinetic reaction model (1) etc. | 12 | |
|---|
| L | Lithium-ion battery (5), liposome (4), Liquid-liquid equilibria (3), liposomes (3), LDES (3), Lignin (3) etc. | 93 | |
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| M-MH | machine learning (26), Membrane (15), metal-organic frameworks (7), Methanation (6), Membrane separation (6), metal-organic framework (4) etc. | 161 | |
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| MI-MZ | mixing (10), molecular dynamics (9), microwave (5), molecular dynamics simulation (3), microcapsule (3), Molecularly Imprinted Polymer (3) etc. | 127 | |
|---|
| N | nanoparticles (7), nucleation (5), numerical simulation (5), nanoparticle (5), nanofiltration (3), Nucleic acid medicine (2) etc. | 80 | |
|---|
| O | organic solvent nanofiltration (4), Oxygen Reduction Reaction (3), Optimization (3), osmotic pressure (3), Oxygen-enriched air (2), ozone degradation (1) etc. | 54 | |
|---|
| P-PH | PEFC (6), PFAS (6), peptide (5), pervaporation (3), permeability (3), particle separation (2) etc. | 97 | |
|---|
| PI-PZ | Polymer (6), polymer electrolyte fuel cell (6), Plasma (4), polyelectrolyte complex (4), Porous material (3), precious metals (3) etc. | 173 | |
|---|
| Q | Quartz Crystal Microbalance (1), quantum computer (1), quantum computing (1), QCM (1), Quantitative Evaluation (1), quasi-solid (1) etc. | 7 | |
|---|
| R | Rheology (4), Redox (3), Risk assessment (3), Reactive crystallization (3), Recycling (3), residence time distribution (3) etc. | 81 | |
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| 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 | |
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| T | transdermal delivery (4), Transdermal drug delivery (4), Thermal energy storage (4), thermoresponsive polymer (2), titanium dioxide (2), thermal plasma (2) etc. | 79 | |
|---|
| U | ultrasound (3), Upcycling (2), Unit operation (1), UBE (1), Ultrafine bubble (1), Uncertainty quantification (1) etc. | 22 | |
|---|
| V | Vaccine (5), viscosity (4), Visible light irradiation (1), virus (1), virus filtration (1), Voluntary Approach of Chemical Substances (1) etc. | 30 | |
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| W | Water electrolysis (2), Women's Empowerment (2), wound healing (2), wettability (2), water treatment (2), wastewater treatment (2) etc. | 36 | |
|---|
| X | xylose (2), X-ray CT imaging (1), XANES/ELNES (1), xylitol (1) | 5 | |
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| Y | Yttrium doping (1), Yoshino cypress (1) | 2 | |
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| Z | Zeolite (11), Zinc-ion battery (1), zwitterionic polymer (1), zinc cobaltite (1), Zeta Potential (1), Zinc Oxide (1) etc. | 29 | |
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| 非英数字 | * (5), precision medicine (1) | 6 | |
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