Biodiesel fuels (2) Social sciences (2) Biodiesel (2) Ciencias sociales (2) huile (2) Labor (1) Vibration (1) Time (1) Temperature (1) Spectrum analysis (1) Production (Economic theory) (1) Pressure (1) Alkanes (1) Mathematical models (1) Human behavior (1) Esters (1) Corn (1) Fatty acids (1) Alcanos (1) Cantidad (1) Factores (1) Ácidos grasos (1) Presión (1) Ésteres (1) Espectroscopia (1) Temperatura (1) Vibraciones (1) Producción (1) Conducta (1) Medio ambiente (1)