L' Europa centrale et orientale : conflits, incertitudes te restructutations / sous la direction d'Edith Lhomel et Thomas Schreiber

• Record Nr.: UNISA990000573840203316
• Pubbl/distr/stampa: Paris : La documentation française, 1992
• Descrizione fisica: 258 p. ; 24 cm
• Collana: Notes et études documetaires ; 4964-65
• Disciplina: 947.09
• Soggetti: Europa centrale - Politica - 1990; Europa orientale - Politica economica - 1990
• Collocazione: XXX.A. Coll. 150/ 143 (COLL HCP 4964-65)
• Lingua di pubblicazione: Francese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia

Mathematics manual for water and wastewater treatment plant operators : water treatment operations : math concepts and calculations / / Frank R. Spellman

• Record Nr.: UNINA9910787846803321
• Autore: SPELLMAN FRANK R.
• Pubbl/distr/stampa: Boca Raton, FL, : CRC Press, 2017
• ISBN: 0-429-18864-1; 1-138-47518-1; 1-4822-2421-6
• Edizione: [2nd edition.]
• Descrizione fisica: 1 online resource (246 p.) : illustrations
• Classificazione: TEC010030
• Disciplina: 628.101/51
• Soggetti: Water - Purification - Mathematics; Water quality management - Mathematics; Water - Purification; Water quality management; Sewage - Purification - Mathematics; Sewage disposal - Mathematics; Sewage - Purification; Sewage disposal
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di contenuto: Front Cover; Contents; Preface; Author; Chapter 1: Pumping Calculations; Chapter 2: Water Source and Storage Calculations; Chapter 3: Coagulation and Flocculation Calculations; Chapter 4: Sedimentation Calculations; Chapter 5: Filtration Calculations; Chapter 6: Water Chlorination Calculations; Chapter 7: Fluoridation; Chapter 8: Water Softening; Chapter 9: Water Treatment Practice Calculations; Appendix: Solutions to Chapter 9 Problems; Back Cover
• Sommario/riassunto: To properly operate a waterworks or wastewater treatment plant and to pass the examination for a waterworks/wastewater operator's license, it is necessary to know how to perform certain calculations. All operators, at all levels of licensure, need a basic understanding of arithmetic and problem-solving techniques to solve the problems they typically encounter in the workplace.