norme (1) espèce (1) azote (1) modèle (1) catalyseur (1) catalyse (1) taux (1) Grafting (1) Case (1) Stability (1) Species (1) Silica (1) Ruthenium (1) Phosphine (1) Nuclear magnetic resonance spectroscopy (1) Nitrogen (1) Nature (1) Metathesis (1) Materials (1) Longevity (1) Infrared spectroscopy (1) Heterogeneous catalysis (1) Grammar, Comparative and general--Case (1) Grafting (1) Example (1) Complexes (1) Catalysis (1) Case (1) Physisorption (1) Materials (1)