| Index | Example of keywords | Number |
|---|
| 0-9 | 13C-Metabolic flux analysis (2), 13C NMR (1), 5-(Hydroxymethyl)furfural (1), 3D (1), 3D printer (1), 1.3PDO (1) etc | 8 |  |
|---|
| A | Adsorption (13), ammonia (10), antibody (9), activated carbon (6), anode (3), affinity (3) etc | 164 | |
|---|
| B | Biomass (10), bubble (4), biodiesel (4), Biopolymer (3), Bioprinting (2), business process model (2) etc | 111 | |
|---|
| C-CH | carbon dioxide (12), catalyst (10), carbon nanotube (6), CFD (5), chemical vapor deposition (4), carbon membrane (4) etc | 164 | |
|---|
| CI-CZ | crystallization (15), Coal (7), CVD (6), CO2 Separation (3), coating (3), Concentration (3) etc | 185 | |
|---|
| D | drying (7), Dispersibility (5), direct numerical simulation (4), Distillation (3), Deposition (3), Direct methanol fuel cell (3) etc | 143 | |
|---|
| E | Escherichia coli (7), Energy saving (6), emulsion (5), Electrospinning (4), Energy savings (3), Ethanol (3) etc | 121 | |
|---|
| F | fluidized bed (8), future design (7), Forward osmosis (5), flocculation (4), fouling (3), Freeze concentration (2) etc | 142 | |
|---|
| G | gas separation (8), Gasification (5), gas-liquid interface (3), Glycerol (3), gold nanoparticle (3), Gastric digestion simulator (2) etc | 72 | |
|---|
| H | Hydrogen (12), Hydrogel (9), Heat Transfer (7), hollow fiber membrane (4), Hansen solubility parameter (3), Hydrothermal (3) etc | 140 | |
|---|
| I | Ionic liquid (11), Innovation (9), immobilization (5), ion exchange (4), IOT (3), Interfacial reaction (3) etc | 111 | |
|---|
| J | Just-suspension Speed (1), Japanese ceder pollinosis (1), Japan (1), Joback method (1), jet flow (1), Japanese paper (1) etc | 7 | |
|---|
| K | Kinetics (2), Ketalization (1), kneading element (1), kernel principal component analysis (1), Kinetic model (1), Kinematic viscosity (1) etc | 10 | |
|---|
| L | liposome (3), LBM (3), Leidenfrost effect (2), lithium ion battery (2), Lithium battery (2), lipid bilayer (2) etc | 103 | |
|---|
| M-MH | membrane (14), Membranome (7), membrane reactor (4), Metal Nanoparticle (3), Methane fermentation (2), Methyltrichlorosilane (2) etc | 133 | |
|---|
| MI-MZ | Mixing (12), microwave (9), Molecular dynamics (6), microreactor (4), microfluidic device (4), Microcapsule (4) etc | 158 | |
|---|
| N | nanoparticle (15), numerical simulation (7), nanofiber membrane (3), Nanoparticles (3), nanofiber (3), nano-particle (2) etc | 107 | |
|---|
| O | Ozone (2), Organic synthesis (2), organic hydrides (2), oxygen reduction reaction (2), Oxygen (2), oxidative dehydrogenation (2) etc | 47 | |
|---|
| P-PH | Peptides (4), Pharmaceutical manufacturing (3), Phase Equilibria (3), photocatalyst (3), Paclitaxel (2), permittivity (2) etc | 104 | |
|---|
| PI-PZ | Process design (6), polymer electrolyte fuel cell (5), Plasma (4), protein (4), porous materials (4), polymerization (3) etc | 213 | |
|---|
| Q | Quality by Design (2), quorum sensing (1), quality (1), quantum chemistry (1), quality engineering (1), quality control (1) etc | 11 | |
|---|
| R | Renewable Energy (8), Recovery (5), Reverse osmosis membrane (4), Rheology (4), reverse osmosis (3), RESS (3) etc | 105 | |
|---|
| S-SO | Separation (12), Simulation (11), SOFC (5), SiC (4), solubility (4), Slurry (4) etc | 201 | |
|---|
| SP-SZ | Supercritical carbon dioxide (10), surfactant (5), Surface modification (4), structured catalyst (3), supercritical water (3), Subcritical Water (2) etc | 136 | |
|---|
| T | Thermal Plasma (4), thermal conductivity (3), Tissue engineering (3), TiO2 (2), temperature-responsive polymer (2), thermal energy storage (2) etc | 106 | |
|---|
| U | UV (2), Unsaturated Polyester Resin (2), unidirectional freezing (1), ultrafast synthesis (1), unsaturated fatty acid (1), ultrafiltration (1) etc | 24 | |
|---|
| V | Viscosity (3), Visualization (3), vapor recompression (2), Vapor-liquid equilibria (2), Vanadium redox flow battery (2), viscoelasticity (2) etc | 31 | |
|---|
| W | water treatment (4), wastewater treatment (3), Wastewater (2), Woman (2), Wastewater of livestock (1), Water head difference (1) etc | 42 | |
|---|
| X | Xylitol (1), Xylooligosaccharide (1), xylose (1), X-ray (1) | 4 | |
|---|
| Y | Young Researcher (3), yeast (2) | 5 | |
|---|
| Z | zeolite membrane (9), zeolite (9), Zeolitic Imidazolate Framework-8 (2), zeolites (1), zinc ions (1), Zone Scan Annealing (1) etc | 32 | |
|---|
| Non ASCII | *BEA type zeolite (1) | 1 | |
|---|
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easp 2.39; update.pl 2.37 (C)1999-2015 kawase