الصفحة 9
الصفحة 9
Group 13 Chemistry III : Industrial Applications
The present issue of Structure and Bonding is dedicated to applied group 13 chemistry, particularly for the elements boron and aluminum, and to a lesser degree gallium and indium. Although boron is a trace element (0.01 g kg 1) in the earth's crust, it has been concentrated in a few locations by geochemical processes and is relatively easy to mine as borax. Aluminum, on the other hand, is the most abundant metal in the earth's crust (82 g kg 1) and dispersed widely throughout the globe. In the chapter Schubert explains the close relationship between the basic properties of the boron compounds and their associated uses. The remaining four chapters focus, to some degree, on aluminum. Since a great deal of literature exists in this area, these chapters are more focused on areas of emerging utility, and contain a great deal of fundamental information. Uhl's contribution in Chapter 2 provides basic synthesis and structural information for aluminum and gallium hydrazides. These types of compounds are being explored as potential molecular precursors to metal nitrides such as the important blue green laser material gallium nitride.
Group 13 Chemistry I : Fundamental New Developments
Depending on the use of the elements, the resulting work can be described under any heading of chemistry. The group 13 elements have been special in this regard due to the very unique characters of the constituent elements. Thus, there is a dramatic change in the properties of the elements when proceeding through the series, B, A1, Ga, In, T1. This difference is one of the main reasons why these elements have seen, and continue to see, such widespread usage in such disparate applications as organic synthesis, electronic and structural materials, and catalysis, to name but a few.
Greening the Industrial Facility : Perspectives, Approaches, and Tools
This book fills a critical gap as a textbook and reference book on the comprehensive environmental impacts of industrial organizations. It is intended for both upper-level undergraduate and beginning graduate students in environmental studies or engineering, and, more broadly, for practicing managers and engineers seeking to improve industrial processes. Nineteen chapters, each focusing on an industrial sector, from resource extraction through fabrication and manufacturing to recycling, evaluate the sector’s inherent "potential to pollute" by providing an overview of typical sector operations and their environmental implications. Beyond outlining and providing frameworks for assessing industrial facilities’ contemporary interactions with the environment (energy and water use, material throughput and hazard, and pollution potential), the book provides forward-looking analyses concerning how new technologies and practices can transform environmentally degrading effects of industry. It also addresses how managers can navigate these changes and move their industrial organizations towards environmental sustainability over the long term.
Green gene technology : Research in an area of social conflict
Green gene technology(GGT), understood as apart of modernbiotechnology, has been on a steady, triumphal progression over the last ten years (ISAAA 2007, see thecontribution byEinsele in thisissue). This volume, jointly edited byProf. Fiechterandme, dealswithsomeactualscienti?candsocio-economic aspects with regard to genetically modi?ed plants (GMP). Worldwide more than 100 million hectares of agronomical land are covered by GMP. This - cludes some prominent industrialised Western countries like the USA and Canada, aseriesofthresholdcountrieslikeArgentina, Brazil, IndiaandChina, and a number of developing countries.
Green Function Theory of Chemisorption
The book provides an introduction to the Green-Function (GF) theory of chemisorption. It is self-contained, and requires only a basic knowledge of quantum mechanics and solid-state physics. The GF approach lends itself well to the pedagogically desirable modellistic treatment of the subject. Throughout each chapter, step-by-step details are provided by which the calculations are performed, so that readers are led from the simple to the more advanced aspects, in a straightforward manner. In this way, students gain confidence to read the current literature on their own.
Green Chemical Reactions
Green Chemistry is an inventive science based on fundamental research towards the development of new sustainable chemical processes. There is a great need to create a new type of chemistry focused on a new production system, in order to prepare the younger generation to get a greener future. The globalization pushes the chemistry community to adopt ethical issues. In this prospect Green Chemistry can achieve the approval of the society by teaching students to be confident in science and at the same time by convincing people that it is possible to attain technological development with respect and care for the environment we live in. This is why it is of foremost importance that education and fundamental research remain strictly connected, so that democracy and development can grow and progress side by side.
Graded Ferroelectrics, Transpacitors and Transponents
The primary focus of the book is directed toward polarization-graded ferroelectrics and their active components - transpacitors; however, the findings here are quite general. The theory of graded ferroics is put on a solid foundation in Chapters 2 and 5, whereas much of the introductory material relies more heavily upon analogy. This was done so as to provide the reader with an intuitive approach to graded ferroics. Heterogeneous ferroics are shown as logical extensions of passive semiconductor junction devices such as p-n and n-p diodes and their active manifestations: transistors, to transpacitors, transductors, translastics and ultimately to the general active ferroic elements, transponents.
Glycoscience : Chemistry and Chemical Biology I-III
Glycostructures play a pivotal and crucial role in a myriad of organisms and important systems in biology, physiology, medicine, bioengineering and technology. Within recent years tools have been developed to promote the understanding of their highly complex functions and the associated chemistry and chemical biology, however, many facts still remain undiscovered.
Glycopeptides and Glycoproteins : Synthesis, Structure, and Application
Their structure, biosynthesis, and mode of action are summarized in the fth chapter. The last chapter covers current methods for the determination of high-resolution structures of glycopeptides and glycoproteins mainly based onNMRspectroscopy, X-raycrystallography,and molecular modeling.This series presents critical reviews of the present position and future trends in modern chemical research Short and concise reports on chemistry.
Gettering Defects in Semiconductors
The authors address not only well-established gettering techniques but also describe contemporary trends in gettering technologies from an international perspective. The types and properties of structural defects in semiconductors, their generating and their transforming mechanisms during fabrication are described. The primary emphasis is placed on classifying and describing specific gettering techniques, their specificity arising from both their position in a general technological process and the regimes of their application. This book addresses both engineers and material scientists interested in semiconducting materials theory and also undergraduate and graduate students in solid–state microelectronics and nanoelectronics. A comprehensive list of references provides readers with direction for further reading.
Genome Exploitation : Data Mining the Genome
Data Mining the Genomes, is the 23rd volume of the Stadler Symposia series published by Springer, which have served over many years as a comprehensive collection of current trends and emerging hot topics in the field of genetics. Data Mining the Genomes summarizes the progress in bioinformatics and computational biology in data mining the vast amount of exciting information emerging from studies of plant and animal genomes, with authoritative analytical reviews specialized enough to be attractive to professional researchers, yet also appealing to the wider audience of scientists in related disciplines.
Genes on the Menu : Facts for Knowledge-Based Decisions
Only little more than a decade ago the term "genetic engineering" was hardly known outside research laboratories. Today it regularly makes headlines in the news. Supporters and opponents as well tell us that it could change our lives more than any other technological advance. This book delivers the state-of-the-art facts in order to empower the public to make knowledge-based decisions about plant biotechnology and GM crops and GM food, in particular. It discusses the hot topics of the present debate in a neutral manner and will function as a personal reference book for the interested public, for decision maker, and managers of consumer organisations.
Gene Therapy and Gene Delivery Systems
Advances in Biochemical Engineering/Biotechnology reviews actual trends in modern biotechnology. Its aim is to cover all aspects of this interdisciplinary technology where knowledge, methods and expertise are required for chemistry, biochemistry, micro-biology, genetics, chemical engineering and computer science
Gas Cyclones and Swirl Tubes : Principles, Design, and Operation
These are cyclones used as gas-solid separators for dedusting and as gas-liquid separators for demisting, and as such they are widely used in industry. The optimization of cyclone performance for any given task is an often-sought goal but is seldom achieved in practice. Understanding cyclone performance as a function of a cyclone's size, geometry, feed properties, feed flow rates and the system of which it is a part, is essential if one wishes to successfully design, operate, troubleshoot or predict cyclone performance.
Gas Adsorption Equilibria : Experimental Methods and Adsorptive Isotherms
This book is intended to present for the first time experimental methods to measure equilibria states of pure and mixed gases being adsorbed on the surface of solid materials. It has been written for engineers and scientists from industry and academia who are interested in adsorption-based gas separation processes and/or in using gas adsorption for characterization of the porosity of solid materials.Special emphasis is given to uncertainties of data and pros and cons of all measurement methods are offered.
Gallium Nitride Processing for Electronics, Sensors and Spintronics
Semiconductor spintronics is expected to lead to a new generation of transistors, lasers and integrated magnetic sensors that can be used to create ultra-low power, high speed memory, logic and photonic devices. Useful spintronic devices will need materials with practical magnetic ordering temperatures and current research points to gallium and aluminium nitride magnetic superconductors as having great potential.Gallium Nitride Processing for Electronics, Sensors and Spintronics details current research into the properties of III-nitride semiconductors and their usefulness in novel devices such as spin-polarized light emitters, spin field effect transistors, integrated sensors and high temperature electronics.
Gallium Nitride Electronics
Gallium Nitride Electronics covers developments in III-N semiconductor-based electronics with a focus on high-power and high-speed RF applications. Material properties of III-N semiconductors and substrates; the state-of-the-art of devices and circuits, epitaxial growth, device technology, modelling and characterization; and circuit examples are discussed. The book concludes with device reliability aspects and an overview of integration and packaging. This comprehensive monograph and tutorial is based on more than a decade of research on materials, devices, and circuits.
Fundamentals of Semiconductors : Physics and Materials Properties
This third updated edition of Fundamentals of Semiconductors attempts to fill the gap between a general solid-state physics textbook and research articles by providing detailed explanations of the electronic, vibrational, transport, and optical properties of semiconductors. The approach is physical and intuitive rather than formal and pedantic. Theories are presented to explain experimental results. This textbook has been written with both students and researchers in mind. Its emphasis is on understanding the physical properties of Si and similar tetrahedrally coordinated semiconductors. The explanations are based on physical insights. Each chapter is enriched by an extensive collection of tables of material parameters, figures, and problems. Many of these problems "lead the student by the hand" to arrive at the results.
Fundamentals of Radiation Materials Science : Metals and Alloys
adiation Materials Science teaches readers the fundamentals of the effects of radiation on metals and alloys. When energetic particles strike a solid, numerous processes occur that can change the physical and mechanical properties of the material. Metals and alloys represent an important class of materials that, by virtue of their use in nuclear reactor cores, are subject to intense radiation fields. Radiation causes metals and alloys to swell, distort, blister, harden, soften and deform. This textbook and reference covers the basics of particle-atom interaction for a range of particle types, the amount and spatial extent of the resulting radiation damage, the physical effects of irradiation and the changes in mechanical behavior of irradiated metals and alloys. Concepts are developed systematically and quantitatively, supported by examples, references for further reading and problems at the end of each chapter
Fundamentals of Powder Diffraction and Structural Characterization of Materials
Pecharsky (Iowa State University) and Zavalij (State University of New York, Binghamton) explain in their preface that the powder diffraction method has been used for more than 90 years as a means of structural characterization of materials; but it has become even more important to advancements in materials science, chemistry, physics, natural sciences, and engineering due to developments in the past decade such as digital x-ray recording, groundbreaking work showing the application of powder diffraction data to structure refinement and solution, and computers and the internet. This text for undergraduate and graduate students requires no prior knowledge of the subject. It provides both theoretical and practical coverage with emphasis on data collected using conventional x-ray sources and general-purpose powder diffractometers. The included CD-ROM contains color versions of some 300 illustrations as well as powder diffraction data needed for the end-of-chapter problems.
