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Book
Principles of machine tools
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ISBN: 1642874418 Year: 2020 Publisher: Kolkata, India ; Northampton, United Kingdom : New Central Book Agency,

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Keywords

Machine-tools.


Book
Ecology of a tool : the ground stone axes of Irian Jaya (Indonesia)
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ISBN: 9781789253863 1789253861 Year: 2020 Publisher: Philadelphia: Oxbow books,

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"New Guinea, and especially Papua New Guinea, is the last country in the world where ethnologists were able to closely observe, film and photograph the whole manufacturing chaînes opératoires of polished stone felling tools, from quarry extraction to finished tool use. Research on the polished blades of PNG has evolved over the years, following changing philosophies and research agendas. While it is clear that an exceptional sum of information has been gathered, it remains centered on that small part of the Highlands where conditions for field research were more pleasant than elsewhere. Our presentation of Irian Jaya axes therefore tackles a topic that remains mostly unexplored. Until now, stone tool research in New Guinea has followed an anthropocentric approach, in which tools are seen more as vectors for social exchanges than as means of acting on the environment. This monograph will take a different approach. Here, polished stone blades are placed at the center of the world, between, on one side, the transformed natural environment, and, on the other, the social and economic environment. This approach will allow us to suggest new avenues of inference in archaeology, as well as to test and abandon existing ones.In this volume, the stone blade is considered as a living being, existing in balance within its biotope. This idea is not far removed from the beliefs of Irian Jaya farmers, for whom life animates certain objects of their material culture. Following a brief presentation of Irian Jaya, we will describe the function of polished stone blades in Irian Jaya societies and the distribution of hafting styles, define and study the quarrying zones and the areas of diffusion and use of their production, and, if possible, the different trends noted in each area of polished blade production and exchanges. Finally, we will conclude with a discussion of the ethnoarchaeological potential of these contemporary observations"--


Book
Machine Tools : design, research, application
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Year: 2020 Publisher: London, England : IntechOpen,

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Successful producers of machine tools today must offer customers highly efficient and accurate machines. This can only be achieved with the help of modern software in research, construction, production and quality control. Trends in development are oriented towards modular construction machines. The application of modern tools and the progressive construction of headstock has increased cutting speeds, thus significantly increasing the machine's productivity. The first section of the book is focused on trends in the development of machines. A second very significant machine parameter is accuracy. The rigidity of the machine is a necessary condition for achieving its required accuracy. The second part of the book is dedicated to the effect of the individual constructional nodes on stability, the optimization of system rigidity, and the measuring of the accuracy of the machining tools. The aim of the third and final section of the book is to point out the widest possibilities for the application of machine tools in industry. An example is presented of the application of machining tools in the orthoses manufacture.


Book
Modern machining technology : advanced, hybrid, micro machining and super finishing technology
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ISBN: 012812895X 0128128941 9780128128954 9780128128947 Year: 2020 Publisher: London, England : Academic Press,

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Modern Machining Technology: Advanced, Hybrid, Micro Machining and Super Finishing Technology explores complex and precise components with challenging shapes that are increasing in demand in industry. As the first book to cover all major technologies in this field, readers will find the latest technical developments and research in one place, allowing for easy comparison of specifications. Technologies covered include mechanical, thermal, chemical, micro and hybrid machining processes, as well as the latest advanced finishing technologies. Each topic is accompanied by a basic overview, examples of typical applications and studies of performance criteria. In addition, readers will find comparative advantages, model questions and solutions. Addresses a broad range of modern machining techniques, providing specifications for easy comparison Includes descriptions of the main applications for each method, along with the materials or products needed Provides the very latest research in processes, including hybrid machining.


Book
Machine Tools : Design, Research, Application
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ISBN: 1839623519 1839623500 Year: 2020 Publisher: London : IntechOpen,

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Book
Determining prehistoric skin processing technologies
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ISBN: 9088908389 9789088908385 9088908362 9789088908361 9088908370 9789088908378 Year: 2020 Publisher: Leiden

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Book
Between making and knowing : tools in the history of materials research
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ISBN: 9811207623 9789811207624 Year: 2020 Publisher: Singapore: World scientific,

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This book offers a comprehensive sketch of the tools used in material research and the rich and diverse stories of how those tools came to be. We aim to give readers a sense of what tools materials researchers required in the late 20th century, and how those tools were developed and became accessible. The book is in a sense a collective biography of the components of what the philosopher of science, Ian Hacking, calls the "instrumentarium" of materials research. Readers should gain an appreciation of the work materials researchers put into developing and using such tools, and of the tremendous variety of such tools. They should also gain some insight into the material (and hence financial) prerequisites for materials research. Materials research requires funding for the availability and maintenance of its tools; and the category of tools encompasses a broad range of substances, apparatus, institutions, and infrastructure.


Book
Determining prehistoric skin processing technologies : the macro and microscopic characteristics of experimental samples
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ISBN: 9088908362 9789088908361 9789088908378 9088908370 Year: 2020 Publisher: Leiden Sidestone Press

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The importance of skin processing technologies in the history and expansion of humankind cannot be overstated, yet these technologies can be difficult to identify in the archaeological record. This research outlines the development of a systematic, non-destructive method for identifying the tanning technologies used to produce prehistoric skin artefacts. The approach combines extensive archaeological research and over 25 years of the author's personal tanning experience.The method employs observations of an extensive sample reference collection, both macroscopic and microscopic, to produce a database of defining characteristics for six tannage types, from a large geographic area and time frame.


Book
Pulmonary Hypertension: Mechanisms and Management, History and Future
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Year: 2020 Publisher: Frontiers Media SA

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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact


Book
Wirkung und Persönlichkeit im Job : Authentisch auftreten und überzeugen.
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ISBN: 3648137565 3648137557 Year: 2020 Publisher: Freiburg : Haufe Lexware Verlag,

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Long description: Das Buch beleuchtet die 20 Elemente der Persönlichkeit wie Gehirn, Ängste, Glaubenssätze, Verhalten, Lerntyp, Stresstyp, etc. Es erläutert, wie Außenwirkung zustande kommt und was das Verhalten einer Person beim Betrachter auslöst. Im zweiten Teil werden praktische Tools vorgestellt, die dabei unterstützen, die eigene Wirkung so zu verändern, damit Chef und Kollegen besser erkennen, wie man wirklich ist Inhalte:Die 20 Elemente der Persönlichkeit mit Beispielen und AnalysemöglichkeitenDie 15 Wirkungsinstrumente der Menschen (Körper, Augen, Sprache, Geruch, etc.)Abgleich Persönlichkeit und WirkungVeränderungsmöglichkeiten der Wirkung  Biographical note: Jens Korz Jens Korz ist Diplom-Betriebswirt, -Schauspieler und -Psychologe. Er besitzt jahrelange Erfahrung im mittleren Management als Vertriebsleiter, ist Gründer der Schauspielschule acting people und Dozent an der Hochschule für Wirtschaft und Recht in Berlin. Pro Jahr trainiert und coacht er durchschnittlich 600 Personen und ist bekannt für seine schnelle, direkte und lösungsorientierte Art.

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