chimie (2) ingéniérie (2) Chemical warfare (2) Article (2) Table (2) Grammar, Comparative and general--Article (2) Engineering (2) Chemistry (2) Article (2) biosynthèse (1) biomasse (1) temps (durée) (1) biochimie (1) phosphore (1) analyse (1) chauffage (1) expérience scientifique (1) source d'énergie (1) traitement des données (1) carbone (1) Data processing (1) Copolymers (1) Biomass (1) Calorimetry (1) Temperature measuring instruments (1) Animal feeding (1) Time (1) Punched card systems (1) Propionic acid (1) Process (Law) (1)