| First letter | Keywords | Number |
|---|
| 0-9 | 3D bioprinting (1), 13C metabolic flux analysis (1), 1,3-propanediol (1), 5-hydroxymethylfurfural (1), 2(5H)-furanone (1), 4D materials (1) etc. | 11 |  |
|---|
| A | antibody (9), Adsorption (8), ammonia (7), absorption (2), activated carbon (2), AI (2) etc. | 127 | |
|---|
| B | biogas (3), Bacteriophage (3), biodegradable plastic (3), biosorption (2), bimetallic electrode (2), Biomass (2) etc. | 75 | |
|---|
| C-CH | catalyst (8), CFD (5), chitosan (5), Carbon Nanotube (5), CFD simulation (4), carbon dioxide (4) etc. | 163 | |
|---|
| CI-CZ | CO2 (7), Crystallization (5), CO2 adsorption (4), CO2 capture (4), Circular Economy (3), CVD (3) etc. | 118 | |
|---|
| D | deep eutectic solvent (9), Discrete element method (6), Drug Delivery System (3), Distillation (3), dry reforming of methane (3), density (2) etc. | 119 | |
|---|
| E | Escherichia coli (5), Electrolysis (4), electrocatalysts (3), Emulsion (3), Energy carrier (2), ethylene (2) etc. | 102 | |
|---|
| F | forward osmosis (3), formic acid (3), FAOR (2), Fluoride ion (2), Filtration (2), Flame spray pyrolysis (2) etc. | 52 | |
|---|
| G | gold nanoparticles (4), Green chemistry (3), Green Hydrogen (2), Graphene oxide (2), Generative AI (2), Green Transformation (2) etc. | 56 | |
|---|
| H | hydrogen (6), hydrogenation (5), Hydrogel (5), Heat transfer (3), Hydrolysis (3), Hydrogen storage (3) etc. | 105 | |
|---|
| I | interfacial polymerization (3), Immobilized catalyst (3), ion-exchange resin (2), Ion exchange (2), ionic liquids (2), Inclusion ratio (1) etc. | 66 | |
|---|
| J | Japan (1) | 1 | |
|---|
| K | Kinetic model (1), Korteweg Body Force (1), Komagataella phaffii (1), kineic model (1), kinetics (1), kLa (1) etc. | 9 | |
|---|
| L | liposome (4), Lithium ion battery (4), lithium-ion battery (4), Life cycle assessment (4), leaching (3), Lithium-ion batteries (3) etc. | 91 | |
|---|
| M-MH | machine learning (28), membrane (10), Methanation (9), Metal-organic frameworks (8), Metabolic engineering (7), Materials Informatics (3) etc. | 134 | |
|---|
| MI-MZ | mixing (9), Molecular dynamics (5), Microwave (4), molecular dynamics simulation (4), Microbiome engineering (3), modeling (2) etc. | 90 | |
|---|
| N | Numerical simulation (8), Nanoparticles (6), Nanoparticle (4), Nanofiltration (3), Nitrogen cycle (2), Nickel (2) etc. | 90 | |
|---|
| O | organic solutions (2), Organic solvent (2), Organic semiconductor (2), Oil-Water Separation (1), operando XAFS (1), oriented silicalite-1 membrane (1) etc. | 42 | |
|---|
| P-PH | Photocatalyst (3), pervaporation (3), Photocatalysis (2), PFAS (2), PECVD (2), phage display (2) etc. | 67 | |
|---|
| PI-PZ | Process Design (8), Protein Engineering (3), Plasma (3), Process intensification (3), Polymer particle (3), polyamide membrane (3) etc. | 109 | |
|---|
| Q | Quantitative Structure-Activity Relationship (1), quality diversity (1), Quantum computing (1), quasi-real-time simulation (1), quartz crystal microbalance (1), Questionnaire Survey (1) etc. | 6 | |
|---|
| R | Renewable energy (5), Ribosome display (4), Reverse osmosis (3), Regenerative medicine (3), Recycling (3), Reaction kinetics (2) etc. | 59 | |
|---|
| S-SO | Simulation (5), Solvent extraction (3), SiC (2), Silica membranes (2), Solvent (2), Semiconducting polymer (2) etc. | 102 | |
|---|
| SP-SZ | Startup (5), Spiral catalyst (4), Structured catalyst (3), Surface functionalization (2), Stirring (2), supercritical carbon dioxide (2) etc. | 80 | |
|---|
| T | The SCEJ Award for Outstanding Young Researcher (3), Therapeutic drug monitoring (3), The SCEJ Award for Outstanding Women's Activity (2), Thermal energy storage (2), Tableting (2), transdermal delivery (2) etc. | 66 | |
|---|
| U | UiO-66 (2), Used Reverse Osmosis Membranes (1), Ultraviolet B-induced skin damage (1), Used oil (1), ultrasound (1), UiO-66-DMOAP, supported liquid membrane, selective extraction (1) etc. | 11 | |
|---|
| V | VoF (3), Vancomycin (2), VHH (2), Viscosity (2), vesicle (2), Value Creation (2) etc. | 29 | |
|---|
| W | Water treatment (5), water electrolysis (4), Wastewater Treatment (3), Woody biomass (2), wood tar (2), Waste (1) etc. | 36 | |
|---|
| X | Xylitol (1), X-ray imaging (1), X-ray structural analysis (1) | 3 | |
|---|
| Y | yeast (2), Yarrowia lipolytica (1), Young academy of Japan (1) | 4 | |
|---|
| Z | zeolite (13), zeolite membrane (2), Zn-air battery (1), Zeolite synthesis (1), Zeolites (1), Zeolitic Imidazolate Framework (1) etc. | 20 | |
|---|
| 非英数字 | * (4) | 4 | |
|---|
