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In this book, the spectacular development of a digital telecommunications infrastructure in one of the world’s most advanced industrial nations is being reviewed. Starting with the university network JUNET in 1984 the work covers the mobile Internet, wired access and backbone systems, all the way through broadband applications and today’s residential broadband traffic. Japan has established one of the richest Internet environments and undertakes an aggressive R&D activity on both the New Generation Network “NGN” and the new Internet Protocol “IPv6”.In 2007, it was reported that in the cellular phone system in Japan, the total volume of data traffic became larger than that of voic...
Embarking on a new millennium, the book in hands describes the recent developments of organsoselenium chemistry in all facets. Various distinguished scientists have contributed, with their skill and expertise, making this book a valuable source for synthetic oriented organic chemists and for those, who want to get a first insight into the chemistry of selenium.
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The editors have approached leading researchers to review the area of organometallic chemistry with the potential to provide answers to problems and challenges faced in catalysis, synthetic organic chemistry and unusal reactivity and the development of new materials.
Japan in the Heisei Era (1989–2019) provides a retrospective and multidisciplinary account of a society in flux. Featuring analyses from leading scholars around the globe, this textbook examines the evolving contexts of Japan throughout the Heisei era and how longstanding verities and values have been called into question. Asking what this holds for Japan’s future relations with the world and within its own communities, chapters delve beneath the layers of a complex and increasingly diverse society, exploring topics including simmering ethnonationalism, economic torpor, political stagnation, and cultural dynamics. Features of this textbook include: Analysis of key social issues ranging f...
Since the pioneering publications on coordination chemistry by Lehn and Pedersen in the late 1960s, coupled with the more orthodox interest from the transition metal chemists on template reactions (Busch, 1964), the field of supramolecular chemistry has grown at an astonishing rate. The use of transition metals as essential constituents of multi-component assemblies has been especially sharp in recent years, since the metals are prone to quick and reversible redox changes, and there is a wide variety of metal--ligand interactions. Such properties make supramolecular complexes of transition metal ions suitable candidates for exploration as light--energy converters and signal processors. Transition Metals in Supramolecular Chemistry focuses on the following main topics: (1) metal controlled organization of novel molecular assemblies and shapes; (2) design of molecular switches and devices operating through metal centres; (3) supramolecular catalysts that mimic metalloenzymes; (4) metal-containing sensory reagents and supramolecular recognition; and (5) molecular materials that display powerful electronic, optoelectronic and magnetic properties.