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[null,"1.","Record Nr.",null,"UNINA9910462368703321"]
[null,null,"Titolo",null,"Progress in abrasive and grinding technology [[electronic resource] ] : special topic volume with invited papers only / / edited by Xipeng Xu"]
[null,null,"Pubbl/distr/stampa",null,"Stafa-Zurich, Switzerland ; ; Enfield, N.H., : Trans Tech Publications, c2009"]
[null,null,"ISBN",null,"3-03813-271-3"]
[null,null,"Descrizione fisica",null,"1 online resource (194 p.)"]
[null,null,"Collana",null,"Key engineering materials, , 1013-9826 ; ; v. 404"]
[null,null,"Disciplina",null,"621.92"]
[null,null,"Soggetti",null,"Abrasives"]
[{"$nulls":4},"Grinding and polishing"]
[{"$nulls":4},"Electronic books."]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and indexes."]
[null,null,"Nota di contenuto",null,"Progress in Abrasive and Grinding Technology; Preface; Table of Contents; Development in the Dressing of Super Abrasive Grinding Wheels; High Speed Grinding of Advanced Ceramics: A Review; Experimental Investigations on Material Removal Rate and Surface Roughness in Lapping of Substrate Wafers: A Literature Review; A Focused Review on Enhancing the Abrasive Waterjet Cutting Performance by Using Controlled Nozzle Oscillation; A Review of Electrolytic In-Process Dressing (ELID) Grinding; On the Coherent Length of Fluid Nozzles in Grinding"]
[{"$nulls":4},"Surface Characteristics of Efficient-Ground Alumina and Zirconia Ceramics for Dental ApplicationsOptimization of Cutting-Edge Truncation in Ductile-Mode Grinding of Optical Glass; On the Polishing Techniques of Diamond and Diamond Composites; Super Polishing Behaviour Investigation of Stainless Steel Optical Lens Moulding Inserts; Corrective Abrasive Polishing Processes for Freeform Surface; Applications of Contact Length Models in Grinding Processes; Polishing Performance of Electro-Rheological Fluid of Polymerized Liquid Crystal Contained Abrasive Grit"]
[{"$nulls":4},"Study on Tribo-Fabrication in Polishing by Nano Diamond ColloidEfficient Super-Smooth Finishing Characteristics of SiC Materials through the Use of Fine-Grinding; Polishing of Ultra Smooth Surface with Nanoparticle Colloid Jet; An Experimental Study on High Speed Grinding of Granite with a Segmented Diamond Wheel; Thinning Silicon Wafer with Polycrystalline Diamond Tools; Mechanisms of Al/SiC "]
[{"$nulls":4},"Composite Machining with Diamond Whiskers; Effect of Slurry and Nozzle on Hole Machining of Glass by Micro Abrasive Suspension Jets"]
[{"$nulls":4},"Experimental Investigation of Temperatures in Diamond Wire Sawing GraniteKeywords Index; Authors Index"]
[null,null,null,"Sommario/riassunto","The grinding and abrasive processing of materials are machining techniques which use bonded or loose abrasives to remove material from workpieces. Due to the well-known advantages of grinding and abrasive processes, advances in abrasive and grinding technology are always of great import in enhancing both productivity and component quality. In order to highlight the recent progress made in this field, the editor invited 21 world-wide contributions with the aim of gathering together all of the achievements of leading researchers into a single publication. The authors of the 21 invited papers, of"]
[null,"2.","Record Nr.",null,"UNINA9910586695503321"]
[null,null,"Autore",null,"Médail Frédéric"]
[null,null,"Titolo",null,"Biogéographie de la flore du Sahara : Une biodiversité en situation extrême / / Frédéric Médail, Pierre Quézel"]
[null,null,"Pubbl/distr/stampa",null,"Marseille, : IRD Éditions, 2022"]
[null,null,"ISBN",null,"2-7099-2259-2"]
[null,null,"Descrizione fisica",null,"1 online resource (368 p.)"]
[null,null,"Collana",null,"Référence"]
[null,null,"Soggetti",null,"Geography"]
[{"$nulls":4},"flore"]
[{"$nulls":4},"biodiversité"]
[{"$nulls":4},"végétal"]
[{"$nulls":4},"patrimoine"]
[{"$nulls":4},"conservation"]
[{"$nulls":4},"environnement"]
[{"$nulls":4},"espèces"]
[{"$nulls":4},"botanique"]
[{"$nulls":4},"biogéographie"]
[{"$nulls":4},"écologie"]
[{"$nulls":4},"histoire"]
[{"$nulls":4},"désert"]
[{"$nulls":4},"aridité"]
[{"$nulls":4},"Sahara"]
[{"$nulls":4},"Afrique"]
[null,null,"Lingua di pubblicazione",null,"Francese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Sommario/riassunto","Bien que l’imaginaire saharien n’évoque pas a priori la notion de biodiversité, la flore du Sahara est néanmoins bien plus diversifiée qu’il n’y paraît. Tantôt barrière ou relais pour la dispersion des espèces, le Grand Désert est en effet riche d’une histoire biogéographique très originale, dont cet ouvrage donne une première synthèse.  Depuis les premières explorations botaniques sahariennes de la fin du xixe siècle, aux travaux pionniers du milieu du xxe siècle, jusqu’aux acquis biogéographiques les plus récents, l’ouvrage met en perspective l’"]
[{"$nulls":4},"organisation et l’évolution de la flore saharienne au sein d’un environnement changeant, tour à tour savane arborée puis terre d’une extrême aridité. Quelles sont la diversité et l’histoire de ce peuplement végétal peu connu ? Comment les flores méditerranéennes ou tropicales ont-elles pu migrer puis se maintenir dans les massifs sahariens ou sur les façades maritimes ? Quelles sont les conséquences des changements environnementaux passés et actuels ?  Face aux enjeux de préservation de ce patrimoine naturel unique, l’ouvrage met l’accent sur la nécessité d’une véritable politique de conservation à l’échelle de cet immense désert. Région naturelle trop négligée par la recherche, le Sahara mérite d’être réinvesti par les sciences du vivant, et ce d’autant qu’il forme un laboratoire exceptionnel pour étudier l’impact des changements globaux en situation environnementale extrême.  L’ouvrage, très documenté et abondamment illustré, fournira aux gestionnaires des milieux arides, aux écologues et biogéographes, aux enseignants et étudiants en biologie et en écologie, mais aussi aux naturalistes et simples voyageurs, un éclairage inédit sur la flore saharienne et son histoire."]