Pre-investment studies for the promotion of the fertilizer and petrochemical industries in Pakistan. V. 5: The development of the existing fertilizer factory at Multan in the context of future fertilizer requirements

abonos acide nitrique acido nitrico ammonia ammoniac ammonium nitrate conception cost analysis desarrollo industrial design engrais fertilizer industry fertilizers industria de abonos industrial development industrie des engrais nitrate d'ammonium nitrato de amonio nitric acid procesamiento processing technologie technology tecnologia traitement unido urea uree