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Astyanax mexicanus --- Evolution. --- Habitat. --- Mexican tetra --- Tetra, Mexican --- Astyanax

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population dynamics --- Restocking --- Galliformes --- Gelinotte --- Bonasa bonasia --- Grand tetra --- Tetrao urogallus --- Tetra-lyre --- Tetrao tetrix --- Germany --- Europe --- Italy --- Scotland

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Contracting out --- Letting of contracts --- Evaluation. --- Government policy --- Tetra Tech EC, Inc.

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Terrestrial Trunked Radio (TETRA) has become the tool to design any type of public security systems, in particular due to the strongly increased security demands for mobile systems. In this book, the authors show how TETRA can be strongly improved and these improvements will most probably be part of future TETRA standards. The areas examined include channel assignment and multiple access techniques, video transmission, wireless LAN integration, and the establishment of multiple wireless mesh networks. Since the requirements for these networks is security, the authors show that innovative techniques such as those based on chaotic signals can be used in order to maximize security. The book is a vital reference point for researchers with ambition to find the general solution for modern problems of public safety.

Trunked radio. --- Mobile communication systems. --- TETRA (Standard) --- Trunk radio --- Trunking radio --- Mobile communication systems --- Terrestrial Trunked Radio standard --- Trans European Trunked Radio standard --- Digital communications --- Trunked radio --- Vehicles --- Vehicular communication systems --- Radio --- Wireless communication systems --- Standards --- Communication systems --- Telecommunication. --- Microwaves. --- Data encryption (Computer science). --- Communications Engineering, Networks. --- Microwaves, RF and Optical Engineering. --- Cryptology. --- Data encoding (Computer science) --- Encryption of data (Computer science) --- Computer security --- Cryptography --- Hertzian waves --- Electric waves --- Electromagnetic waves --- Geomagnetic micropulsations --- Radio waves --- Shortwave radio --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Electrical engineering. --- Optical engineering. --- Mechanical engineering --- Electric engineering --- Engineering

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The book (Special Issue) presents impressive new results related to a wide spectrum of occurrences of platinum-group minerals (PGM) and natural compounds enriched in platinum-group elements (PGE), which are associated with various complexes and deposits, such as Uralian-Alaskan-type complexes, layered intrusions and placers. The geographical locations of the involved deposits and complexes include, on a truly international scale, different areas of the Urals, Western and Eastern Sayans and Gornaya Shoria in Siberia, Southern Central Asian Orogenic Belt in China, Northern Michigan, USA, South Africa and Zimbabwe, etc. Of particular interest is the first description of a new species of PGM, thalhammerite (approved by the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association), which is a new species of palladium-silver sulfobismuthide discovered in the Noril’sk region of Russia. Additionally, comprehensive reviews, on compositional variations in Pt–Fe alloy minerals and processes of transformations of PGM in exogenic environments, are presented which will also attract attention from international readers.

n/a --- placers --- platinum group minerals --- ophiolite --- platinum --- Pd9Ag2Bi2S4 phase --- Ural Platinum belt --- PGE mineralization --- Svetloborsky massif --- palladium --- platinum group elements --- chromian spinel --- gabbro --- platinum-group elements --- platiniferous tetra-auricupride --- primary inclusions --- Bolshoy Khailyk placer --- Noril’sk region --- Urals --- Central Asian Orogenic Belt --- PGE alloys --- western Sayans --- ultramafic-mafic complexes --- primary ores --- schemes of substitution --- Sisim placer zone --- PGM --- Pt-for-Au substitution --- South Africa --- Alaskan-type complex. --- element substitutions --- Eastern Sayans --- Ural-Alaskan massif --- reflectance data --- Gornaya Shoria --- Lysanskiy complex --- Bushveld Complex --- thalhammerite --- Komsomolsky mine --- Russia --- gold --- Siberia --- placer system --- Talnakh deposit --- Alaskan-type complex --- ore mineralization --- magnetite --- Pt–Fe alloys --- Great Dyke --- platinum-group mineral --- X-ray-diffraction data --- micrometric inclusions --- compositional variations --- platinum-group minerals --- placer deposits --- Midcontinent --- allogenic --- chromitite --- Ti- and REE-rich inclusions --- Echo Lake --- oxide ores --- crystal structure --- Zimbabwe --- ophiolite complexes --- authigenic --- Noril'sk region --- Pt-Fe alloys