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         f centers (CENTROS F)
         f codes (CODIGOS F)
         f mesons (MESONES F)
         f region (REGION F)
         f states (ESTADOS F)
         f waves (ONDAS F)
         f-chart (DIAGRAMA-F)
         f1 layer (CAPA F1)
         f2-1270 mesons (MESONES F2-1270)
         fabric filters (FILTROS DE TELA)
         fabrication (FABRICACION)
         fabry-perot interferometer (INTERFEROMETRO DE FABRY-PEROT)
         face (CARA)
         face centered cubic (REDES CUBICAS DE CARAS CENTRADAS)
         facilities accelerator
         facilities educational
         facilities energy
         facilities maintenance
         facilities military
         facilities nuclear
         facilities sport
         facilities storage
         facilities terminal
         facilities test
         facilities underground








         fields crossed
         fields electric
         fields electromagnetic
         fields gravitational
         fields magnetic
         fierz interference (INTERFERENCIA DE FIERZ)
         fifth sound (QUINTO SONIDO)
         figs (HIGOS)
         figure of merit (COEFICIENTE DE CALIDAD)
         fiji (ISLAS FIDJI)
         filament plasma
         filaments (FILAMENTOS)
         filariasis (FILARIOSIS)
         fill factors (FACTOR DE FORMA)
         filler metals (METALES DE APORTE)
         fillers (MATERIALES DE APORTE)
         filling stations (ESTACIONES DE SERVICIO)
         film condensation (CONDENSACION EN CAPA FINA)
         film cooling (REFRIGERACION POR PELICULA)
         film dosimetry (DOSIMETRIA FOTOGRAFICA)
         film flow (FLUJO POR PELICULA)
         films (PELICULAS)
         filters (FILTROS)
         filters electric
         filtration (FILTRACION)





         flavines (FLAVINAS)
         flavins (FLAVINOS)
         flavones (FLAVONES)
         flavonoids (FLAVONOIDES)
         flavoprotein enzymes (FLAVOPROTEINAS)
         flavor (SABOR)
         flavor model (MODELO DE SABORES)
         flaws (DEFECTUOSIDADES)
         flax plants (LINO)
         flaxseed oil (ACEITE DE LINO)
         flexibility (FLEXIBILIDAD)
         flexural strength (RESISTENCIA A LA FLEXION)
         flies (MOSCAS)
         flight testing (PRUEBAS DE VUELO)
         floating zone techniques (TECNICAS DE ZONAS FLOTANTES)
         flocculation (FLOCULACION)
         flood control (CONTROL DE INUNDACION)
         flooding fluids (INUNDACION DE FLUIDOS)
         floods (INUNDACIONES)
         floors (PISOS)
         floquet function (FUNCION DE FLOQUET)
         florida (FLORIDA)
         florida current (CORRIENTE DE FLORIDA)
         flotation (FLOTACION)
         flour (HARINA)




         fluorine 16 (FLUOR 16)
         fluorine 17 (FLUOR 17)
         fluorine 18 (FLUOR 18)
         fluorine 19 (FLUOR 19)
         fluorine 19 reactions (REACCIONES DE FLUOR 19)
         fluorine 20 (FLUOR 20)
         fluorine 21 (FLUOR 21)
         fluorine 22 (FLUOR 22)
         fluorine 23 (FLUOR 23)
         fluorine 24 (FLUOR 24)
         fluorine 25 (FLUOR 25)
         fluorine 26 (FLUOR 26)
         fluorine 27 (FLUOR 27)
         fluorine 28 (FLUOR 28)
         fluorine 29 (FLUOR 29)
         fluorine 30 (FLUOR 30)
         fluorine 31 (FLUOR 31)
         fluorine additions (ADICIONES DE FLUOR)
         fluorine bromides (BROMUROS DE FLUOR)
         fluorine complexes (COMPLEJOS DE FLUOR)
         fluorine compounds (COMPUESTOS DE FLUOR)
         fluorine fluorides (FLUORUROS DE FLUOR)
         fluorine ions (IONES FLUOR)
         fluorine oxides (OXIDOS DE FLUOR)
         fluorite (FLUORITA)







         fragments fallout
         fragments fission
         fragments nuclear
         fragments particles
         france (FRANCIA)
         francium (FRANCIO)
         francium 220 (FRANCIO 220)
         francium isotopes (ISOTOPOS DE FRANCIO)
         frank dislocations (DISLOCACIONES DE FRANK)
         frank loops (LAZOS FRANQUEADOS)
         frankia (FRANKIA)
         fraser river (RIO FRASER)
         fraud (ESTAFA)
         frc (CFR)
         free convection (CONVECCION LIBRE)
         free electron lasers (LASERES DE ELECTRONES LIBRES)
         free energy (ENERGIA LIBRE)
         free energy gibbs
         free energy helmholtz
         free enthalpy (ENTALPIA LIBRE)
         free radicals (RADICALES LIBRES)
         freedom of information act (ACTO DE LIBERTAD DE INFORMACION)
         freeze drying (SECADO POR CONGELACION)
         freeze protection (PROTECCION POR CONGELACION)
         freezers (CONGELADORES)



         fresnel lens (LENTE DE FRESNEL)
         fresnel reflectors (REFLECTORES DE FRESNEL)
         fretting corrosion (CORROSION POR FROTAMIENTO)
         freunds adjuvant (COADYUVANTES DE FREUND)
         friction (FRICCION)
         friction factor (COEFICIENTE DE ROZAMIENTO)
         friction internal
         friction welding (SOLDEO POR ROZAMIENTO)
         friedel-crafts reaction (REACCION DE FRIEDEL-CRAFTS)
         frogs (RANAS)
         frost (ESCARCHA)
         frost tests (ENSAYOS DE ESCARCHA)
         froude number (NUMERO DE FROUDE)
         fructose (FRUCTOSA)
         fruit flies (MOSCAS DE LA FRUTA)
         fruit seeds
         fruit trees (ARBOLES FRUTALES)
         fruits (FRUTAS)
         fsa (FSA)
         fsh (FSH)
         ft value (VALOR DE FT)
         fucose (FUCOSA)
         fucus (FUCO)
         fuel additives (ADITIVOS DE COMBUSTIBLE)
         fuel adjustment mechanisms (MECANISMOS ADAPTADOS DE COMBUSTIBLE)


         fuel assemblies (CONJUNTOS COMBUSTIBLES)
         fuel bundles (HACES DE COMBUSTIBLE)
         fuel cans (VAINAS DE COMBUSTIBLE)
         fuel cell catalysts (CATALIZADORES DE CELULAS DE COMBURSTIBLE)
         fuel cells (CELULAS DE COMBUSTIBLE)
         fuel channels (CANALES DE COMBUSTIBLE)
         fuel consumption (CONSUMO DE COMBUSTIBLE)
         fuel cooling time (TIEMPO DE ENFRIAMIENTO DEL COMBUSTIBLE)
         fuel cycle (CICLO DEL COMBUSTIBLE)
         fuel cycle centers (INSTALACIONES DEL CICLO DE COMBUSTIBLE)
         fuel densification (DENSIFICACION DEL COMBUSTIBLE)
         fuel dispersion reactors (REACTORES DE COMBUSTIBLE EN DISPERSION)
         fuel economy (ECONOMIA DEL COMBUSTIBLE)
         fuel elements (ELEMENTOS COMBUSTIBLES)
         fuel fabrication plants (FABRICAS DE COMBUSTIBLE)
         fuel feeding systems (SISTEMAS DE CARGA DEL COMBUSTIBLE)
         fuel gas (GAS COMBUSTIBLE)
         fuel integrity (INTEGRIDAD DEL COMBUSTIBLE)
         fuel management (GESTION DEL COMBUSTIBLE)
         fuel motion detection (DETECCION DEL MOVIMIENTO DEL COMBUSTIBLE)
         fuel oils (ACEITES COMBUSTIBLES)
         fuel particles (PARTICULAS DE COMBUSTIBLE)
         fuel pellets (PASTILLAS COMBUSTIBLES)
         fuel plates (PLACAS DE COMBUSTIBLES)
         fuel rods (BARRAS DE COMBUSTIBLE)



         functionals (FUNCIONALES)
         functions (FUNCIONES)
         fundamental constants (CONSTANTES FUNDAMENTALES)
         fundamental particles (PARTICULAS FUNDAMENTALES)
         fungal diseases (ENFERMEDADES FUNGALES)
         fungi (HONGOS)
         fungicides (FUNGICIDAS)
         furans (FURANOS)
         furfural (FURFURAL)
         furnace oil (HORNO DE ACEITE)
         furnaces (HORNOS)
         furniture industry (INDUSTRIA DEL MUEBLE)
         fusarium (FUSARIO)
         fused cells animal
         fused salts (SALES FUSIONADAS)
         fuses electric
         fusion energy (ENERGIA DE FUSION)
         fusion fuels (COMBUSTIBLES DE FUSION)
         fusion heat (CALOR DE FUSION)
         fusion melting
         fusion nuclear
         fusion reactions (REACCIONES DE FUSION)
         fusion reactors (REACTORES DE FUSION)
         fusion welding
         fusion yield (RENDIMIENTO DE FUSION)


         fuzzy logic (LOGICA BORROSA)