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This book gives an overview of recent integrated and
inter-disciplinary approaches between chemical experiment and
theory in a variety of fields, from polymer science to materials
chemistry and ranging from the design of tailored properties to
catalysis and reactivity, building on the well-established success
of Density Functional Theory as the foremost quantum chemical
method to provide qualitative and quantitative interpretation of
results from the chemical laboratory. The combination of several
characterization techniques with an understanding at the molecular
level of chemical and physical phenomena are the main focal point
of the subject matter.
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The land of the magical orbs
Paulo Costa Carvalho; Giulia de Saldanha Da Gama Carvalho
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R375
Discovery Miles 3 750
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Ships in 10 - 15 working days
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Originally published in Portuguese, this book is divided into three
sections: the chemistry of aldehydes, ketones, nitriles, imines and
derivatives; the chemistry of carboxylic and carbonic acids and
derivatives; and the chemistry of alpha, beta-unsaturated
carbonyls. The authors have merged aspects of valence bond and
molecular orbital theories in order to discuss structural and
physico-chemical properties and reactivity and stereochemical
outcomes of the most relevant reactions for these functional
groups. The book provides representative experimental procedures
for key reactions; highlights to contextualize the concepts;
properties (industrial applications, biochemical significance and
catalytic developments in order to cope with the major tenets of
the green chemistry approach) and includes some biographical notes
for the scientists who contributed to this field. It will help
advanced level undergraduate and graduate students to understand
and become well acquainted with the reactions of carbonyl compounds
and derivatives. The integrated approach is considered an
attractive feature of this book since students receive relatively
little exposure to molecular orbital theory at the undergraduate
level. The juxtaposition of conventional valence bond theory with
molecular orbital theory fills a largely unmet pedagogical niche.
In this book, the authors present topical research in the study of
the production, structure and applications of glycerol. Topics
discussed include the use of glycerol from biodiesel to production
of environmental technologies; thermochemical conversion of
glycerol to hydrogen; the application of glycerol in pharmaceutical
formulation; valorisation of glycerol in propanediols production by
catalytic processes; hydrogen production from glycerol via membrane
reactor technology; ruthenium-catalysed nitrile hydration reactions
using glycerol as solvent; and natural activation of commercial
glycerol.
A investigacao publicada aqui teve por objectivo principal conhecer
e diagnosticar a situacao real da informatica e, por extensao, das
tecnologias de informacao e comunicacao (TIC) no sistema educativo
nos niveis de ensino pre-universitario, tendo como foco de atencao
os docentes e o seu perfil academico e profissional. Com esta
abordagem, destacamos duas vertentes de investigacao consideradas
relevantes para identificar um conjunto de "Estrategias para uma
eficaz utilizacao das TIC no ensino pre-universitario" A 1 esta
relacionada com o perfil do docente e as respectivas competencias
academicas e profissionais em TIC. Os objectivos sao conhecer,
analisar e quantificar o perfil, as suas competencias em materia de
informatica nos mais diversos niveis de ensino pre-universitario e
conhecer em que medida este perfil contribui para a qualidade da
integracao das TIC no ensino. A 2 esta relacionada com a situacao
actual dos docentes face a utilizacao das TIC em contexto
educativo. Os objectivos sao conhecer e diagnosticar a situacao do
docente atendendo ao fenomeno das TIC. Centramo-nos no professor
como agente fundamental no processo de integracao das TIC no
sistema educativo."
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