| First letter | Keywords | Number |
|---|
| 0-9 | 3D printing (3), 5-hydroxymethylfurfural (3), 2,2'-bipyridine (1), 2'-Octoxyacetophenone (1), 3D imaging (1), 3DIC (1) etc. | 10 |  |
|---|
| A | adsorption (11), ammonia (7), Aqueous two-phase system (3), atomic layer deposition (3), Agglomeration (3), Antibody (3) etc. | 157 | |
|---|
| B | Biomass (5), bio-oil (3), Biomethanation (3), Biochar (3), Biomass gasification (3), Biogas (2) etc. | 89 | |
|---|
| C-CH | Carbon nanotube (8), CFD (8), catalyst (6), Carbon Neutral (6), Carbon dioxide (5), CCS (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 | Escherichia coli (5), electrocatalysts (5), Electrolysis (4), Extraction (4), economic evaluation (3), electrocatalyst (3) etc. | 108 | |
|---|
| F | Fischer-Tropsch synthesis (2), Fast Pyrolysis Bio-Oil (2), Fluid Mechanics (2), Fischer-Tropsch (2), Flame spray pyrolysis (2), Flue gas (2) etc. | 69 | |
|---|
| G | Graphene (3), Green Hydrogen (2), Green Transformation (2), Gold nanoparticles (1), Gamma-butyrolactone (GBL) (1), Gel (1) etc. | 53 | |
|---|
| H | Hydrogen production (15), Hydrogen (11), Hydrogel (7), Hydrogen storage (5), hydrogenotrophic methanogens (2), Hepatocyte (2) etc. | 128 | |
|---|
| I | I-V characteristics (2), ion gel (2), interfacial polymerization (2), interfacial affinity (2), Infrared absorption spectrum (1), ILQ-based optimal servo control (1) etc. | 63 | |
|---|
| K | kinetic study (1), Key group (1), Kinetic Monte Carlo (1), kernel method (1), kinetic parameters (1), key parameters (1) etc. | 8 | |
|---|
| L | Lithium-ion battery (3), liposome (3), Lithium-ion batteries (3), liquid-liquid mixing (3), Lithium-ion battery recycling (2), Life cycle assessment (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), Morphology (2) etc. | 107 | |
|---|
| N | Numerical simulation (12), nanoparticles (4), nanoparticle (4), neural network (3), Nanofiltration (2), Nucleation (2) etc. | 89 | |
|---|
| O | Optimization (4), organic chelating ligand (2), Operations and Maintenance (2), oscillatory baffled reactor (1), oxygen vacancy (1), Optimization of fed-batch cell culture process (1) etc. | 43 | |
|---|
| P-PH | PFAS (6), Photocatalyst (3), pervaporation (3), peptide (2), Particle Size (2), phase equilibrium (2) etc. | 81 | |
|---|
| PI-PZ | Process simulation (9), Polymer (5), Process modeling (5), process design (3), Platinum group metals (2), Process optimization (2) etc. | 139 | |
|---|
| Q | quantitative visualization (1), Questionnaire Survey (1), Quadrupole Mass Spectrometry (1), Quantum computing (1), Qualification system (1) | 5 | |
|---|
| R | renewable energy (4), recycling (4), Redox flow battery (4), Recycle (3), Rotating bed (3), Regenerative medicine (3) etc. | 84 | |
|---|
| S-SO | slug flow (4), seawater electrolysis (4), simulation (4), Softsensor (3), SOEC (3), Solvent extraction (2) etc. | 112 | |
|---|
| SP-SZ | Supercritical Fluid Deposition (5), Startup (5), Surfactant (4), spray drying (3), Suspension (3), Supercritical carbon dioxide (2) etc. | 94 | |
|---|
| T | Transfer learning (2), thermal management (2), Two-Dimensional Turbulence (1), tablet (1), Thermal energy storage (1), Taylor bubble (1) etc. | 58 | |
|---|
| U | ultrasound (3), uMLIP (1), Ultrafine bubbles (1), Ultrasonic velocity (1), unreacted core model (1), ultrafiltration (1) etc. | 15 | |
|---|
| V | Viscosity (5), vesicle (3), Viscoelastic Fluid (2), Vortex (1), vapor-liquid equilibrium (1), V2O5 (1) etc. | 27 | |
|---|
| W | Water electrolysis (10), Water treatment (7), Woody Biomass (3), Waste utilization (2), wound roll (1), Wind turbine (1) etc. | 45 | |
|---|
| X | X-Ray CT (1) | 1 | |
|---|
| Y | Yttrium doping (1), Yarrowia lipolytica (1), yielding behavior (1), Yield stress (1) | 4 | |
|---|
| Z | zeolite (12), ZIF-8 (2), ZnO formation (1), Zero Liquid Discharge (1), Zinc-Air Battery (1), zwitterionic polymer (1) etc. | 21 | |
|---|
| 非英数字 | * (17) | 17 | |
|---|
