S. Sumathi

Die katalytische Aktivit t und die dielektrische Untersuchung von substituierten Kobaltferrit-Nanopartikeln wurden durch Einbringen von Substituenten wie Wismut und Kupfer durchgef hrt, und auch der Einfluss der Synthesemethode auf die Aktivit t wurde untersucht. Um den Einfluss der Herstellungsmethode auf die katalytische Aktivit t zu untersuchen, wurden Kobaltferrit- und mit Wismut substituierte Kobaltferrit-Nanopartikel (CoFe2-xBixO4 x = 0, 0,1) mit zwei verschiedenen Methoden synthetisiert, n mlich durch L sungsverbrennung und Copr zipitation. Die Wirkung der Substituenten auf die katalytische Aktivit t und die elektrische Untersuchung von Kobaltferrit wurden durch Synthese von mit Wismut substituiertem Kobaltferrit (CoFe2-xBixO4 x = 0, 0,05), Kupfer, mit Wismut und Kupfer co-substituierten Kobaltferrit-Nanopartikeln Cu0,5Co0,5Fe1,9Bi0,1O4 mittels L sungsverbrennungsmethode durchgef hrt. Durch die Co-Substitution von Wismut und Kupfer wurde eine Verringerung der Dielektrizit tskonstante und des dielektrischen Verlusts festgestellt. Die katalytische Aktivit t von Kobaltferrit, durch zwei verschiedene Methoden synthetisiertem Wismut-substituiertem Kobaltferrit und Kupfer-Wismut-co-substituiertem Kobaltferrit wurde hinsichtlich der Reduktion von 4-Nitrophenol zu 4-Aminophenol unter Verwendung von NaBH4 als Reduktionsmittel verglichen.

stato condotto uno studio sull'attivit catalitica e dielettrica delle nanoparticelle di ferrite di cobalto sostituita introducendo sostituenti quali bismuto e rame; stata inoltre studiata l'influenza del metodo di sintesi sull'attivit . Al fine di studiare l'effetto del metodo di preparazione sull'attivit catalitica, sono state sintetizzate nanoparticelle di ferrite di cobalto e ferrite di cobalto sostituita con bismuto (CoFe2-xBixO4 x = 0, 0,1) con due metodi diversi, ovvero combustione in soluzione e coprecipitazione. L'effetto dei sostituenti sull'attivit catalitica e lo studio elettrico della ferrite di cobalto sono stati effettuati sintetizzando nanoparticelle di ferrite di cobalto sostituita con bismuto (CoFe2-xBixO4 x = 0, 0,05), rame, ferrite di cobalto co-sostituita con bismuto Cu0,5Co0,5Fe1,9Bi0,1O4 mediante il metodo della combustione in soluzione. stata osservata una diminuzione della costante dielettrica e della perdita dielettrica grazie alla co-sostituzione di bismuto e rame. L'attivit catalitica della ferrite di cobalto, della ferrite di cobalto sostituita con bismuto sintetizzata con due metodi diversi e della ferrite di cobalto co-sostituita con rame e bismuto stata confrontata per la riduzione del 4-nitrofenolo a 4-amminofenolo utilizzando NaBH4 come agente riducente.

L'activit catalytique et l' tude di lectrique des nanoparticules de ferrite de cobalt substitu ont t r alis es en introduisant des substituants tels que le bismuth et le cuivre. L'influence de la m thode de synth se sur l'activit a galement t tudi e. Afin d' tudier l'effet de la m thode de pr paration sur l'activit catalytique, des nanoparticules de ferrite de cobalt et de ferrite de cobalt substitu e par du bismuth (CoFe2-xBixO4 x = 0, 0,1) ont t synth tis es par deux m thodes diff rentes, savoir la combustion en solution et la copr cipitation. L'effet des substituants sur l'activit catalytique et l' tude lectrique de la ferrite de cobalt ont t r alis s en synth tisant de la ferrite de cobalt substitu e par du bismuth (CoFe2-xBixO4 x = 0, 0,05), du cuivre, des nanoparticules de ferrite de cobalt co-substitu es par du bismuth Cu0,5Co0,5Fe1,9Bi0,1O4 par la m thode de combustion en solution. Une diminution de la constante di lectrique et de la perte di lectrique a t observ e par la co-substitution du bismuth et du cuivre. L'activit catalytique de la ferrite de cobalt, de la ferrite de cobalt substitu e par du bismuth synth tis e par deux m thodes diff rentes et de la ferrite de cobalt co-substitu e par du cuivre et du bismuth a t compar e pour la r duction du 4-nitroph nol en 4-aminoph nol en utilisant du NaBH4 comme agent r ducteur.

A atividade catal tica e o estudo diel trico das nanopart culas de ferrite de cobalto substitu da foram realizados atrav s da introdu o de substituintes como bismuto, cobre e tamb m foi estudada a influ ncia do m todo de s ntese na atividade. A fim de estudar o efeito do m todo de prepara o na atividade catal tica, foram sintetizadas nanopart culas de ferrite de cobalto e ferrite de cobalto substitu da por bismuto (CoFe2-xBixO4 x = 0, 0,1) por dois m todos diferentes, a saber, combust o em solu o e coprecipita o. O efeito dos substituintes na atividade catal tica e o estudo el trico da ferrite de cobalto foram realizados atrav s da s ntese de ferrite de cobalto substitu da por bismuto (CoFe2-xBixO4 x = 0, 0,05), cobre, nanopart culas de ferrite de cobalto co-substitu das por bismuto Cu0,5Co0,5Fe1,9Bi0,1O4 pelo m todo de combust o em solu o. Foi observada uma diminui o na constante diel trica e na perda diel trica pela co-substitui o de bismuto e cobre. A atividade catal tica da ferrite de cobalto, da ferrite de cobalto substitu da por bismuto sintetizada por dois m todos diferentes e da ferrite de cobalto co-substitu da por cobre e bismuto foi comparada para a redu o de 4-nitrofenol a 4-aminofenol usando NaBH4 como agente redutor.

Este livro apresenta os conceitos de arquitetura e as metodologias utilizadas na conce o de um n cleo de microprocessador baseado em chip. O suporte arquitet nico para linguagens de alto n vel atrav s da escrita de um c digo optimizado. Este livro enfatiza a forma como o desenvolvimento do sistema conclu do atrav s de interfaces, hierarquia de mem ria e depura o. Tamb m destaca algumas das aplica es ARM incorporadas. O leitor que deseja entender o design do ARM deve descobrir que os princ pios gerais iluminam a l gica para o ARM ser como . Este livro destina-se a engenheiros profissionais de hardware e software que estejam interessados em adquirir conhecimentos fundamentais sobre os processadores ARM. Estudantes de engenharia eletr nica e de comunica es, ci ncia e engenharia inform tica e engenharia el ctrica e eletr nica. Adequado para o ensino de gradua o e p s-gradua o. Este livro n o pretende ser um texto introdut rio sobre arquitetura de computadores ou conce o l gica de computadores. Pressup e-se que os leitores tenham um n vel de familiaridade com estes temas na rea da inform tica.

Niniejsza książka przedstawia koncepcje architektury i metodologie stosowane w projektowaniu rdzenia mikroprocesora opartego na chipie. Architektura wspiera języki wysokiego poziomu poprzez pisanie zoptymalizowanego kodu. Książka ta kladzie nacisk na spos b, w jaki rozw j systemu jest zakończony poprzez interfejsy, hierarchię pamięci i debugowanie. Czytelnik, kt ry chce zrozumiec konstrukcję ARM, powinien odkryc, że og lne zasady wyjaśniają powody, dla kt rych ARM jest taki, jaki jest. Niniejsza książka skierowana jest do profesjonalnych inżynier w sprzętu i oprogramowania, kt rzy są zainteresowani zdobyciem podstawowej wiedzy na temat procesor w ARM. Student w elektroniki i inżynierii komunikacyjnej, informatyki i inżynierii oraz inżynierii elektrycznej i elektronicznej. Nadaje się do nauczania na studiach licencjackich i podyplomowych. Niniejsza książka nie jest przeznaczona jako tekst wprowadzający do architektury komputer w lub projektowania uklad w logicznych. Zaklada się, że czytelnicy mają pewien poziom znajomości tych zagadnień w informatyce.

Ce livre pr sente les concepts d'architecture et les m thodologies employ es dans la conception d'un coeur de microprocesseur bas sur une puce. Le support architectural pour les langages de haut niveau en crivant un code optimis . Ce livre met l'accent sur la fa on dont le d veloppement du syst me est compl t par l'interfa age, la hi rarchie de la m moire et le d bogage. Le lecteur qui souhaite comprendre la conception de l'ARM devrait constater que les principes g n raux clairent la raison d' tre de l'ARM. Ce livre s'adresse aux ing nieurs professionnels en mat riel et en logiciel qui souhaitent acqu rir des connaissances fondamentales sur les processeurs ARM. Aux tudiants en lectronique et en ing nierie de la communication, en informatique et en ing nierie lectrique et lectronique. Convient l'enseignement de premier cycle et de troisi me cycle. Ce livre n'est pas destin tre un texte d'introduction l'architecture des ordinateurs ou la conception logique des ordinateurs. Les lecteurs sont suppos s avoir un certain niveau de familiarit avec ces sujets en informatique.

Questo libro introduce i concetti di architettura e le metodologie impiegate nella progettazione di un nucleo di microprocessore basato su chip. Il supporto architetturale per i linguaggi di alto livello attraverso la scrittura di un codice ottimizzato. Questo libro si concentra su come viene completato lo sviluppo del sistema attraverso l'interfacciamento, la gerarchia della memoria e il debug. Il lettore che desidera comprendere la progettazione dell'ARM dovrebbe scoprire che i principi generali illuminano le ragioni per cui l'ARM cos com' . Questo libro si rivolge a ingegneri hardware e software professionisti interessati ad acquisire le conoscenze fondamentali sui processori ARM. Studenti di ingegneria elettronica e delle comunicazioni, informatica e ingegneria elettrica ed elettronica. Adatto per l'insegnamento a livello universitario e postuniversitario. Questo libro non vuole essere un testo introduttivo all'architettura dei computer o alla progettazione logica dei computer. Si presume che i lettori abbiano un livello di familiarit con questi argomenti nell'ambito dell'informatica.

Dieses Buch stellt die Architekturkonzepte und Methoden vor, die beim Entwurf eines chipbasierten Mikroprozessorkerns eingesetzt werden. Die architektonische Unterst tzung f r Hochsprachen durch das Schreiben eines optimierten Codes. Dieses Buch legt den Schwerpunkt darauf, wie die Systementwicklung durch Schnittstellen, Speicherhierarchie und Debugging abgeschlossen wird. Der Leser, der das Design des ARM verstehen m chte, wird feststellen, dass die allgemeinen Prinzipien die Gr nde f r den ARM beleuchten, so wie er ist. Dieses Buch richtet sich an professionelle Hardware- und Software-Ingenieure, die sich grundlegende Kenntnisse ber ARM-Prozessoren aneignen m chten. Studenten der Fachrichtungen Elektronik und Kommunikationstechnik, Informatik und Ingenieurwesen sowie Elektrotechnik und Elektronik. Es eignet sich f r die Lehre im Grundstudium und nach dem Abschluss des Studiums. Dieses Buch ist nicht als Einf hrung in die Computerarchitektur oder den Entwurf von Computerlogik gedacht. Es wird vorausgesetzt, dass die Leser mit diesen Themen in der Informatik vertraut sind.

This book provides a detailed description of machine learning algorithms in data analytics, data science life cycle, Python for machine learning, linear regression, logistic regression, and so forth. It addresses the concepts of machine learning in a practical sense providing complete code and implementation for real-world examples in electrical, oil and gas, e-commerce, and hi-tech industries. The focus is on Python programming for machine learning and patterns involved in decision science for handling data. Features: Explains the basic concepts of Python and its role in machine learning. Provides comprehensive coverage of feature engineering including real-time case studies. Perceives the structural patterns with reference to data science and statistics and analytics. Includes machine learning-based structured exercises. Appreciates different algorithmic concepts of machine learning including unsupervised, supervised, and reinforcement learning.This book is aimed at researchers, professionals, and graduate students in data science, machine learning, computer science, and electrical and computer engineering.

This book provides a detailed description of machine learning algorithms in data analytics, data science life cycle, Python for machine learning, linear regression, logistic regression, and so forth. It addresses the concepts of machine learning in a practical sense providing complete code and implementation for real-world examples in electrical, oil and gas, e-commerce, and hi-tech industries. The focus is on Python programming for machine learning and patterns involved in decision science for handling data. Features: Explains the basic concepts of Python and its role in machine learning. Provides comprehensive coverage of feature engineering including real-time case studies. Perceives the structural patterns with reference to data science and statistics and analytics. Includes machine learning-based structured exercises. Appreciates different algorithmic concepts of machine learning including unsupervised, supervised, and reinforcement learning.This book is aimed at researchers, professionals, and graduate students in data science, machine learning, computer science, and electrical and computer engineering.

Offering a wide range of programming examples implemented in MATLAB®, Computational Intelligence Paradigms: Theory and Applications Using MATLAB® presents theoretical concepts and a general framework for computational intelligence (CI) approaches, including artificial neural networks, fuzzy systems, evolutionary computation, genetic algorithms and programming, and swarm intelligence. It covers numerous intelligent computing methodologies and algorithms used in CI research. The book first focuses on neural networks, including common artificial neural networks; neural networks based on data classification, data association, and data conceptualization; and real-world applications of neural networks. It then discusses fuzzy sets, fuzzy rules, applications of fuzzy systems, and different types of fused neuro-fuzzy systems, before providing MATLAB illustrations of ANFIS, classification and regression trees, fuzzy c-means clustering algorithms, fuzzy ART map, and Takagi–Sugeno inference systems. The authors also describe the history, advantages, and disadvantages of evolutionary computation and include solved MATLAB programs to illustrate the implementation of evolutionary computation in various problems. After exploring the operators and parameters of genetic algorithms, they cover the steps and MATLAB routines of genetic programming. The final chapter introduces swarm intelligence and its applications, particle swarm optimization, and ant colony optimization.Full of worked examples and end-of-chapter questions, this comprehensive book explains how to use MATLAB to implement CI techniques for the solution of biological problems. It will help readers with their work on evolution dynamics, self-organization, natural and artificial morphogenesis, emergent collective behaviors, swarm intelligence, evolutionary strategies, genetic programming, and the evolution of social behaviors.

This book has been specifically designed to meet the requirements of undergraduate students studying seed science and technology at various institutions. The abundance of available materials on this subject has been taken into consideration, and the aim is to present the information in a consolidated and simplified manner.The publication details the methods for producing high-quality seeds of 40 horticultural crops, covering the entire process from seed selection to storage. The book provides a comprehensive overview of the quality standards and appropriate storage methods involved in the certified and foundation stages of seed production.This book is intended to be a valuable resource for seed growers, researchers, teachers, students, planners, NGOs, and extension personnel. It is hoped that the information provided in this publication will enhance the readers understanding of seed production for horticultural crops. The title of this book, Scientific Seed Production of Horticultural Crops, reflects its focus on presenting the scientific aspects of seed production in a clear and accessible manner.

This publication was created with the specific purpose of providing undergraduate students with a comprehensive guide to seed science and technology, tailored to the requirements of various institutions. Given the vast amount of available materials on the subject, the content has been carefully consolidated and presented in a clear, concise format.The text provides a detailed overview of the procedures involved in producing high-quality seeds for 40 horticultural crops. The techniques used in both the certified and foundation stages of seed production, from seed selection to storage, are covered in detail, along with the relevant quality standards and storage methods. The publication is intended to serve as a valuable resource for seed growers, researchers, teachers, students, planners, NGOs, and extension personnel, providing them with a thorough understanding of seed production in horticultural crops. We hope that readers will find this book, titled Scientific Seed Production of Horticultural Crops, to be a useful and informative guide to the subject. Please note that the information provided in this publication is accurate as of the knowledge cutoff date of September 2021.

This book provides readers with valuable information about the science and technology involved in seeds. Seeds are the result of sexual reproduction in plants and are considered the most crucial and cost-effective input in agriculture. The use of high-quality seeds from improved varieties can lead to a 20-25% increase in crop yield. Seed technology is an interdisciplinary field that encompasses a range of activities such as variety development, seed processing, storage, testing, certification, quality control, and marketing. These activities work together to improve the genetic and physical characteristics of seeds, ultimately leading to better crop yields. The book is organized into separate chapters, making it an invaluable resource for readers looking to gain a deeper understanding of seed technology.