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This book deals with polypyrazolylborates (scorpionates), a class of ligands known since 1966, but becoming rapidly popular with inorganic, organometallic and coordination chemists since 1986, because of their versatility and user-friendliness. They can be readily modified sterically and electronically through appropriate substitution on the pyrazole ring and on boron, and have led to a number of firsts in coordination chemistry (first stable CuCO complex, first monomeric MgR complex, and many other such firsts). Their denticity can range from two to four, their “Bite” can be adjusted, and additional coordinating sites can be added to the pyrazolyl rings. Over 170 different scorpionate l...
Do you care about your environment and your health? Contamination by hazardous substances in environmental matrices, including landfills, oil fields, and manufacturing and industrial sites, represents a global concern and needs to be remediated since it poses a serious risk to the environment and human health. Particular attention should also be paid to the use of medical devices and recent developments in the use of nanoparticles expressed as drug delivery systems designed to treat a wide variety of diseases. This Special Issue collects a compilation of articles that strongly demonstrate the continuous efforts made in developing advanced and safe nanomaterial-based technologies for nano-remediation and for drug delivery and other biomedical applications. It covers the most recent advances in the safe nanomaterials synthesis field as well as in environmental applications, in the use of restorative materials, drug delivery and other clinical applications, in order to lay the foundations for a cleaner and healthier future.
Almost all branches of chemistry and material science now interface with organometallic chemistry - the study of compounds containing carbon-metal bonds. This widely acclaimed serial contains authoritative reviews that address all aspects of organometallic chemistry, a field which has expanded enormously since the publication of Volume 1 in 1964.Volume 56 comprises Part 1 of a themed collection of papers on "The Organotransition Metal Chemistry of Poly(pyrazolyl)borates". Provides an authoritative, definitive review addressing all aspects of organometallic chemistry Useful to researchers within this active field and is a must for every modern library of chemistry High-quality research book within this rapidly developing field
This book covers the different aspects of modern 3D multimedia technologies by addressing several elements of 3D visual communications systems, using diverse content formats, such as stereo video, video-plus-depth and multiview, and coding schemes for delivery over networks. It also presents the latest advances and research results in regards to objective and subjective quality evaluation of 3D visual content, extending the human factors affecting the perception of quality to emotional states. The contributors describe technological developments in 3D visual communications, with particular emphasis on state-of-the-art advances in acquisition of 3D visual scenes and emerging 3D visual represe...
Objetiva ser instrumento para o resgate da cidadania do deficiente auditivo brasileiro. Compõe-se de três capítulos introdutórios, um corpo principal de sinais, um dicionário inglês-português, um índice semântico, um conteúdo semântico, três capítulos sobre educação em surdez e três sobre tecnologia em surdez. Os exemplos de uso linguístico de palavras, sinais e gestos aperfeiçoam habilidades de gramática e semântica. Cada verbete apresenta a ilustração do gesto ou sinal e seus correspondentes em inglês e porturguês.
This special issue of the International Review of Education includes contri butions on indigenous knowledge, the cultural context of learning and on the interplay between the so-called "traditional" and "modern" ways of educa tion. It starts from the assumption that cultures are not static, that they are shifting and mutating, and that the Western need to encapsulate "other cultures", which found its most extreme form in their being frozen in time and boxed behind glass in museums of ethnology, has distorted our under standing of the way in which different cultures create, recreate and repro duce knowledge. The basic premise of this position is that there is no such thing as a pure culture, ...
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