Kirjojen hintavertailu. Mukana 11 699 587 kirjaa ja 12 kauppaa.
Kirja.info

Kirjahaku

Etsi kirjoja tekijän nimen, kirjan nimen tai ISBN:n perusteella.

1000 tulosta hakusanalla D W Davis

Wgląd w zjawisko pękania drutu podczas procesu WEDM

Wgląd w zjawisko pękania drutu podczas procesu WEDM

Vivek Aggarwal

Wydawnictwo Nasza Wiedza
2025
nidottu
Pękanie drutu stanowi stale zagrożenie dla wydajności procesu obr bki elektroerozyjnej drutem (WEDM). Prace badawcze mają na celu zbadanie i zrozumienie zjawiska pękania drutu przy użyciu trzech r żnych elektrod drutowych, a mianowicie drutu mosiężnego gladkiego, drutu mosiężnego dyfuzyjnego i drutu mosiężnego pokrytego cynkiem, w odniesieniu do obr bki stopu Inconel 718 przy użyciu procesu WEDM. W tym celu przeprowadzono badania eksperymentalne w celu zbadania wplywu sześciu parametr w procesu wejściowego, a mianowicie czasu trwania impulsu, czasu wylączenia impulsu, prądu szczytowego, napięcia iskry, prędkości posuwu drutu i napięcia drutu na częstotliwośc pękania drutu przy użyciu trzech r żnych elektrod drutowych. Celem eksperyment w jest wyb r najbardziej odpowiedniego materialu drutu, kt ry charakteryzuje się minimalną "częstotliwością pękania drutu", a także określenie zakres w wszystkich parametr w wejściowych procesu dla wybranego drutu, w kt rych można wykonac skuteczną i wydajną obr bkę Inconelu 718. Wyniki eksperyment w wykazaly, że drut mosiężny pokryty cynkiem o średnicy 0,25 mm zapewnia najlepszą wydajnośc pod względem częstotliwości pękania drutu w por wnaniu z drutami mosiężnymi zwyklymi i dyfuzyjnymi dla wszystkich parametr w procesu.
Vertaile hintoja
Remarks and Collections of Thomas Hearne ... Edited by C. E. Doble (D. W. Rannie, H. E. Salter).

Remarks and Collections of Thomas Hearne ... Edited by C. E. Doble (D. W. Rannie, H. E. Salter).

Thomas Hearne; Charles Edward Doble; D W Rannie

British Library, Historical Print Editions
2011
pokkari
Title: Remarks and Collections of Thomas Hearne ... Edited by C. E. Doble (D. W. Rannie, H. E. Salter).Publisher: British Library, Historical Print EditionsThe British Library is the national library of the United Kingdom. It is one of the world's largest research libraries holding over 150 million items in all known languages and formats: books, journals, newspapers, sound recordings, patents, maps, stamps, prints and much more. Its collections include around 14 million books, along with substantial additional collections of manuscripts and historical items dating back as far as 300 BC.The GENERAL HISTORICAL collection includes books from the British Library digitised by Microsoft. This varied collection includes material that gives readers a 19th century view of the world. Topics include health, education, economics, agriculture, environment, technology, culture, politics, labour and industry, mining, penal policy, and social order. ++++The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to insure edition identification: ++++ British Library Hearne, Thomas; Doble, Charles Edward; Rannie, David Watson; 1885-1921. 11 vol.; 8 . 012272.bb.18.
Vertaile hintoja
Properties of Polymers

Properties of Polymers

D.W. van Krevelen; Klaas te Nijenhuis

Elsevier Science Ltd
2009
sidottu
This authoritative, widely cited book has been used all over the world. Properties of Polymers, Fourth Edition incorporates the latest developments in the field while maintaining the core objectives of previous editions: to correlate properties with chemical structure and to describe methods that permit the estimation and prediction of numerical properties from chemical structure, i.e. nearly all properties of the solid, liquid, and dissolved states of polymers.
Vertaile hintoja
Penguin Dictionary of Chemistry

Penguin Dictionary of Chemistry

D W A Sharp

Penguin Books Ltd
2003
pokkari
Provides detailed explanations of chemical terms from all branches of the science, clear definitions of elements, compounds, and other substances, concise accounts of important chemical processes, and discussion of environmental issues.
Vertaile hintoja
Imperial Texas

Imperial Texas

D.W. Meinig

University of Texas Press
1969
pokkari
Imperial Texas examines the development of Texas as a human region, from the simple outline of the Spanish colony to the complex patterns of the modern state. In this study in cultural geography set into a historical framework, D. W. Meinig discusses the "various peoples of Texas, who they are, where they came from, where they settled, and how they are proportioned one to another from place to place." After examining the historical framework, he then presents detailed analyses of the major regions of modem Texas and an over-all characterization of the state and its people. He concludes that, although Texas has never been the empire that it has sometimes been called, "nevertheless... Texas is something more than just one-fourteenth of the American area, one-twentieth of the American people, and one-fiftieth of the American union."
Vertaile hintoja
Inside Plea Bargaining

Inside Plea Bargaining

D.W. Maynard

Kluwer Academic/Plenum Publishers
1984
sidottu
Negotiation is a ubiquitous part of social life. Some even say that social order itself is a negotiated phenomenon. Yet the study of negotiation as an actual discourse activity, occurring between people who have substantial interests and tasks in the real social world, is in its infancy. This is the more surprising because plea bargaining, as a specific form of negotiation, has recently been the center of an enormous amount of research attention. Much of the concern has been directed to basic ques­ tions of justice, such as how fair the process is, whether it is unduly coercive, and whether it accurately separates the guilty from the innocent. A study such as mine does not try to answer these sorts of questions. I believe that we are not in a position to answer them until we approach plea bargaining on its own complex terms. Previous studies that have attempted to provide a general picture of the process as a way to assess its degree of justness have neglected the specific skills by which prac­ titioners bargain and negotiate, the particular procedures through which various surface features such as character assessment are accomplished, and concrete ways in which justice is administered and, simultaneously, caseloads are managed.
Vertaile hintoja
Ireland in the Twentieth Century

Ireland in the Twentieth Century

D.W. Harkness

Red Globe Press
1995
nidottu
What is it about the Irish that has kept them at each other's throats throughout this century? In this thought-provoking book, Professor Harkness charts the record of antagonistic aspirations that have divided Irish Nationalists from Irish Unionists (the latter, since 1920, being concentrated in the six Counties of Northern Ireland). Before the First World War, advocates of Irish Home rule opposed Unionist defenders of the United Kingdom. During and after the War, Irish Nationalist separatists struggled against the Unionist stronghold in the North East. When, in 1922, Ireland was divided between two unequal administrations, deadlock ensued. The Irish Free State became first a Dominion in the British Commonwealth and then, in 1949, the Irish Republic outside it. Northern Ireland soldiered on, a mere local administration devolved from Westminster, determined to remain part of the United Kingdom, but weakened by a divided population and by uncertain support from London. In 1972, after a fierce renewal of communal strife within Northern Ireland, London reasserted its rule over the province, sought an end to violent conflict, and pursued relations with Dublin to that end. The contrast of the Belfast-Dublin perspectives throughout this period are the substance of this book, yet the ongoing record of practical day-to-day operations is also part of the story. A multitude of contacts persisted across the Irish frontier, economic and social, sporting and cultural, religious and professionals, and to these too this book makes reference.
Vertaile hintoja
Basic Solid Mechanics

Basic Solid Mechanics

D.W.A. Rees

Red Globe Press
1997
nidottu
Written with the aim of broadening the subject base, this book focuses on those areas where topics in mechnaical, aeronautical and civil engineering employ common principles. Theoretical topics in solid mechanics are illustrated through many worked examples and exercises chosen to assist the reader in recognising the necessary problem solving techniques. The book is therefore suitable for both single discipline and broad-based courses that include mechanics as applied in engineering and design. The underlying theme is to show how the load carrying capacity of materials and structures used in engineering may be determined.
Vertaile hintoja
123456...50