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Cromo (III) Biosorbimento da fungo

Cromo (III) Biosorbimento da fungo

Mr Kirtal Hansdah; Dr B D Pandey

International Book Market Service Ltd
2022
pokkari
Questo libro cerca di evidenziare alcune caratteristiche degne di nota di vari metodi in pratica per la bonifica dei metalli da effleunts. I notevoli processi fisico-chimici sono generalmente efficaci nel rimuovere la maggior parte del metallo dalla soluzione ad alte o moderate concentrazioni, mentre possono essere inefficaci o estremamente costosi soprattutto quando i metalli in soluzione sono a bassa concentrazione. Di conseguenza, i loro limiti diventano pi pronunciati quando devono essere trattati effluenti voluminosi contenenti materia organica complessa e bassa contaminazione da metalli.sta gradualmente emergendo un metodo alternativo che coinvolge i microrganismi che ha dimostrato una lodevole capacit di sequestrare gli ioni metallici ad un tasso molto ragionevole e in modo eco-compatibile, chiamato BIOSORPTION. Vari microrganismi come batteri, funghi, lieviti, cianobatteri e alghe giocano un ruolo importante nella disintossicazione e nella rimozione dei metalli pesanti.questo libro illustra i tentativi fatti per isolare le specie fungine che tollerano i metalli dagli effluenti delle concerie e lo sviluppo di un processo per la bonifica microbica del cromo esavalente tossico e cancerogeno dalla soluzione.
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Chrom (III) Biosorption durch Pilze

Chrom (III) Biosorption durch Pilze

Mr Kirtal Hansdah; Dr B D Pandey

International Book Market Service Ltd
2022
pokkari
Dieses Buch versucht, einige bemerkenswerte Merkmale verschiedener Methoden in der Praxis zur Metallsanierung von Effleunts hervorzuheben. Die bemerkenswerten physio-chemischen Prozesse sind im Allgemeinen effizient bei der Entfernung des gr ten Teils des Metalls aus der L sung bei hohen oder m igen Konzentrationen, w hrend sie unwirksam oder extrem teuer sein k nnen, insbesondere wenn die Metalle in L sung in niedriger Konzentration vorliegen. Infolgedessen werden ihre Grenzen noch ausgepr gter, wenn volumin se Abw sser mit komplexbildenden organischen Stoffen und geringer Metallkontamination behandelt werden m ssen. Allm hlich entwickelt sich eine alternative Methode, bei der Mikroorganismen eingesetzt werden, die eine lobenswerte F higkeit zur Sequestrierung von Metallionen mit einer sehr vern nftigen Rate und auf umweltfreundliche Weise gezeigt hat, die als BIOSORPTION bezeichnet wird. Verschiedene Mikroorganismen wie Bakterien, Pilze, Hefen, Cyanobakterien und Algen spielen eine wichtige Rolle bei der Entgiftung und Entfernung von Schwermetallen. Dieses Buch beleuchtet die Versuche, die unternommen wurden, um metalltolerante Pilzarten aus Gerbereiabw ssern zu isolieren und ein Verfahren zur mikrobiellen Sanierung von toxischem und karzinogenem sechswertigem Chrom aus der L sung zu entwickeln.
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Smart Materials and Structures

Smart Materials and Structures

M.V. Gandhi; B.D. Thompson

Chapman and Hall
1992
sidottu
This book provides a comprehensive introduction to the embryonic field of smart materials and structures, and also presents a state-of-the-art review of the sub-disciplines of the field. It informs readers of the technical challenges to the commercialisation of products incorporating these material technologies.
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Modern Applied Statistics with S

Modern Applied Statistics with S

W.N. Venables; B.D. Ripley

Springer-Verlag New York Inc.
2010
nidottu
S is a powerful environment for the statistical and graphical analysis of data. It provides the tools to implement many statistical ideas that have been made possible by the widespread availability of workstations having good graphics and computational capabilities. This book is a guide to using S environments to perform statistical analyses and provides both an introduction to the use of S and a course in modern statistical methods. Implementations of S are available commercially in S-PLUS(R) workstations and as the Open Source R for a wide range of computer systems. The aim of this book is to show how to use S as a powerful and graphical data analysis system. Readers are assumed to have a basic grounding in statistics, and so the book is intended for would-be users of S-PLUS or R and both students and researchers using statistics. Throughout, the emphasis is on presenting practical problems and full analyses of real data sets. Many of the methods discussed are state of the art approaches to topics such as linear, nonlinear and smooth regression models, tree-based methods, multivariate analysis, pattern recognition, survival analysis, time series and spatial statistics. Throughout modern techniques such as robust methods, non-parametric smoothing and bootstrapping are used where appropriate. This fourth edition is intended for users of S-PLUS 6.0 or R 1.5.0 or later. A substantial change from the third edition is updating for the current versions of S-PLUS and adding coverage of R. The introductory material has been rewritten to emphasis the import, export and manipulation of data. Increased computational power allows even more computer-intensive methods to be used, and methods such as GLMMs,
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