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Author: Roy MacLeod Publisher: Springer Science & Business Media ISBN: 1402054904 Category : Science Languages : en Pages : 292
Book Description
This book represents a first considered attempt to study the factors that conditioned industrial chemistry for war in 1914-18. Taking a comparative perspective, it reflects on the experience of France, Germany, Austria, Russia, Britain, Italy and Russia, and points to significant similarities and differences. It looks at changing patterns in the organisation of industry, and at the emerging symbiosis between science, industry and the military.
Author: Roy MacLeod Publisher: Springer Science & Business Media ISBN: 1402054904 Category : Science Languages : en Pages : 292
Book Description
This book represents a first considered attempt to study the factors that conditioned industrial chemistry for war in 1914-18. Taking a comparative perspective, it reflects on the experience of France, Germany, Austria, Russia, Britain, Italy and Russia, and points to significant similarities and differences. It looks at changing patterns in the organisation of industry, and at the emerging symbiosis between science, industry and the military.
Book Description
LES TERNAIRES GRAPHITE-MX (MX=ALLIAGE OU HYDRURE D'ALCALIN M) SONT INSTABLES EN PRESENCE D'UN METAL ALCALIN M. SEUL LE MELANGE STCHIOMETRIQUE DU TERNAIRE MH#2#7#3C#8 (M=K OU RB) EN POUDRE ET M LIQUIDE DONNE UNE BI-INSERTION. L'ISOBARE DU SYSTEME GRAPHITE-CESIUM EST ETABLI. EN PARTICULIER, LA STCHIOMETRIE DU STADE 2 EST DETERMINEE: ELLE EST VARIABLE ENTRE CSC#2#3 ET CSC#2#6#.#8. CONCERNANT LA REACTION DU POTASSIUM SUR CSC#2#4 ET SELON LES CONDITIONS EXPERIMENTALES, PLUSIEURS PHASES SONT MISES EN EVIDENCE. EN PARTICULIER: 1) T#K INFERIEURE A 130#OC: COMPOSE DE BI-INSERTION (I#C=11,18 A) MELANGE A L'HETEROSTRUCTURE KCSC#1#6, 2) AVEC UN GRADIENT DE TEMPERATURES OU A BASSES TEMPERATURES: PHASES INSATUREES DE STADE 2 (T#C EST EGAL A ENVIRON 18 A). LA REACTION DU CESIUM SUR KC#2#4 EVOLUE VERS CSC#8 CONTRAIREMENT A LA REACTION PRECEDENTE QUI N'EVOLUE PAS VERS KC#8. L'ETUDE DE LA RESISTIVITE DANS LE PLAN, EN FONCTION DE LA TEMPERATURE, MONTRE QUE LE MELANGE (COMPOSE DE BI-INSERTION, HETEROSTRUCTURE) A UN COMPORTEMENT METALLIQUE CLASSIQUE. L'ETUDE I#C(T) DE DIVERS COMPOSES CSC#X DE STADE 2 A MIS EN EVIDENCE PLUSIEURS TRANSFORMATIONS STRUCTURALES
Author: Don Montague Publisher: Taylor & Francis ISBN: 9780419199106 Category : Architecture Languages : en Pages : 472
Book Description
This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Author: N. Balkan Publisher: Springer Science & Business Media ISBN: 1461528224 Category : Technology & Engineering Languages : en Pages : 437
Book Description
Instabilities associated with hot electrons in semiconductors have been investigated from the beginning of transistor physics in the 194Os. The study of NDR and impact ionization in bulk material led to devices like the Gunn diode and the avalanche-photo-diode. In layered semiconductors domain formation in HEMTs can lead to excess gate leakage and to excess noise. The studies of hot electron transport parallel to the layers in heterostructures, single and multiple, have shown abundant evidence of electrical instability and there has been no shortage of suggestions concerning novel NDR mechanisms, such as real space transfer, scattering induced NDR, inter-sub band transfer, percolation effects etc. Real space transfer has been exploited in negative-resistance PETs (NERFETs) and in the charge-injection transistor (CHINT) and in light emitting logic devices, but far too little is known and understood about other NDR mechanisms with which quantum well material appears to be particularly well-endowed, for these to be similarly exploited. The aim of this book is therefore to collate what is known and what is not known about NDR instabilities, and to identify promising approaches and techniques which will increase our understanding of the origin of these instabilities which have been observed during the last decade of investigations into high-field longitudinal transport in layered semiconductors. The book covers the fundamental properties of hot carrier transport and the associated instabilities and light emission in 2-dimensional semiconductors dealing with both theory and experiment.
Author: International Atomic Energy Agency Publisher: International Atomic Energy Agency ISBN: 9789201063205 Category : Technology & Engineering Languages : en Pages : 72
Book Description
This publication results from a technical meeting on phenomenology and technologies relevant to in-vessel melt retention (IVMR) and ex-vessel corium cooling (EVCC). The purpose of the publication is to capture the state of knowledge, at the time of that meeting, related to phenomenology and technologies as well as the challenges and pending issues relevant to IVMR and EVCC for water cooled reactors by summarizing the information provided by the meeting participants in a form useful to practitioners in Member States.
Author: W. Petruk Publisher: Elsevier ISBN: 0080527337 Category : Technology & Engineering Languages : en Pages : 287
Book Description
Techniques of performing applied mineralogy investigations, and applications and capabilities of recently developed instruments for measuring mineral properties are explored in this book intended for practicing applied mineralogists, students in mineralogy and metallurgy, and mineral processing engineers. The benefits of applied mineralogy are presented by using in-depth applied mineralogy studies on base metal ores, gold ores, porphyry copper ores, iron ores and industrial minerals as examples. The chapter on base metal ores includes a discussion on the effects of liberation, particle sizes and surfaces coatings of Pb, Cu, Fe, Ca and So4- on the recoveries of sphalerite, galena and chalcopyrite. The chapter on gold discusses various methods of determining the quantities of gold in different minerals, including 'invisible' gold in pyrite and arsenopyrite, so that a balance of the distribution of gold among the minerals can be calculated. This book also discusses the roles of pyrite, oxygen, moisture and bacterial (thiobacillus ferrooxidans) on reactions that produce acidic drainage from tailings piles, and summarizes currently used and proposed methods of remediation of acidic drainage.
Author: Roy MacLeod
Author: Roy MacLeod
Author: ABDELRHAN.. OYFKIR
Author: Don Montague
Author: Alfred Gordon
Author: N. Balkan
Author: Geological Survey of Canada
Author: Nasser Ennih
Author: Carlos M. Ferreira
Author: International Atomic Energy Agency
Author: W. Petruk