David M Jacobson – författare
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6 produkter
6 produkter
Below the Temple Mount in Jerusalem
A sourcebook on the cisterns, subterranean chambers and conduits of the ?aram al-Sharif
Häftad, Engelska, 1996
1 157 kr
Skickas inom 5-8 vardagar
2 125 kr
Skickas inom 11-20 vardagar
Principles of Brazing is a valuable resource for those working with the brazing process or designing component joints. This book will help solve practical engineering challenges, by building on fundamental metallurgy. Precisely written, and well referenced, containing 200 figures and 56 tables, this book compares joining methods, explains the fundamental parameters of brazes, and surveys the metallurgy of braze alloy systems. The joining atmosphere, fluxes and fluxless brazing are investigated. The constraints that component metal and non-metal materials place on the brazing process are examined. A chapter is devoted to the direct brazing of non-metals. Jewelers will find the chapter on filler metals for gold and silver of interest. The authors received valuable feedback from readers of their first book, Principles of Soldering and Brazing.
1 645 kr
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Teaches Readers How to Apply a Structured Problem-Solving Methodology for Industrial Fields Based on Sound Scientific Principles As modern industrial processes have become increasingly complex, complicated multi-factor problems have emerged. These complex problems end up costing companies millions of dollars every day. Existing problem-solving techniques are only effective to a certain point. This book provides a solution to a myriad of industrial problems by using first principles and rigorous hypothesis testing. Key topics covered within the work include: How to use the latest research, advanced modeling, big data mining, analytical testing, and many other techniques to systematically create and test hypotheses surrounding why a process is malfunctioningHow to use scenario development to frame a team’s understanding of why a process is malfunctioningHow to approach today’s lack of experienced industrial workers, whose failure to approach problem solving from first fundamentals are causing myriad of inefficiencies in industryHow to use multiple methodologies together with an emphasis on first principles and mechanistic math modeling as a basis to industrial problem solvingEngineers of any discipline working in both research and development of manufacturing environments, along with professionals in any industrial discipline looking to reduce costs will be able to use this work to both understand and pragmatically solve the pressing issues we see in today’s industrial market.
4 358 kr
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Drawing from cutting edge research this interesting text is a comprehensive insight into the very latest developments in advanced manufacturing technologies. The papers, which are from a conference organised by Lancaster University have been reviewed by a panel of recognized academic experts from a number of universities. CONTENTS INCLUDE Design and manufacture of drilling guides for osseointegrated implants using rapid prototyping techniquesA study of build accuracy of the Z-corps three-dimensional printing technique and related seepage controlRapid tools for injection mouldingDirect laser sintering of ceramicsFabrication of EDM electrodes using rapid prototyping techniquesCNC as a rapid prototyping method – a company perspectiveThe useful application of rapid technologies especially for automotive developmentVirtual prototyping brings ‘revolution’ to a small engineering businessRapid and virtual prototyping are fundamental tools in the design, development and manufacturing of a divergency of products. This important volume is vital reading for anyone interested in keeping up-to-date with the developments in this key area of manufacturing. It is also enlightening reading for researchers and new users of these technologies.
2 544 kr
Skickas inom 11-20 vardagar
Rapid Prototyping and allied fields are still relatively young technologies and, as such, their scope and range are expanding at a dramatic rate. New and improved techniques and applicationsare developing and this is reflected in the varied topics covered in Rapid Design, Prototyping and Manufacture. Efforts to extend the scope of application of three dimensional printing processes is an important milestone in rapid manufacture. This is being vigorously addressed and is well represented in this volume. It now seems to be only a matter of time before three-dimensional printing units will join other peripherals in office and domestic computer systems to produce toys, small domestic and office items on demand.CONTENTS INCLUDE: Analysis of the application of the Z-corps three dimensional printing system for rapid tooling for plastic injection moulded components.A novel method for rapid prototyping/tooling/manufacture - Shell/Assisted Layer Manufacture (SALM)Accuracy of a novel fused deposition modelling technologyNew software tools for reverse engineering parts based on three-dimensional volumetric scans.A stuctured approach to the simplification of optimization problems in the virtual prototyping environmentThe appropriate application of computer-aided design and manufacture techniques in silicone facial prostheticsApplication of the Z-Corps three-dimensional printing processes using novel material to manufacture bio-scaffold for bone replacementRapid prototyping manufacture of complex three-dimensional microscaffolds used in regenerative medicine.
2 197 kr
Skickas inom 10-15 vardagar
In early June 1902, John Peters, an American theologian, and Hermann Thiersch, a German classical scholar, were alerted to the discovery of two painted burial caves at Marisa/Beit Jibrin, less than 40 miles (62 km) by road southwest from Jerusalem. Tomb robbers had, a short time previously, forced their way into the burial chambers and caused damage to their fabric. Realising that these splendid tombs dated to about 200 BCE and the importance of their painted interiors, the two scholars immediately commissioned a leading Jerusalem photographer, Chalil Raad, to record them. This was fortunate, because the paintings on the soft limestone walls rapidly deteriorated and now can no longer be seen. Peters and Thiersch published a monograph on the painted tombs, illustrated with hand-drawn copies of the photographs, but the original plates have lain all these years in the archives of the Palestine Exploration Fund in London, unpublished.The paintings are unique in the Greek pictorial repertoire and are among the most important surviving examples of Ptolemaic art. The remarkable painted frieze extending along the two long sides of the main chamber of Tomb I depicts 22 different animal species, drawn from the wild fauna of the Levant, the Nile basin and the Horn of Africa - as well as a few mythical beasts. This animal frieze attests to the interest in exotic animals shown in the Hellenistic period. Other remarkable subjects represented in the Marisa paintings include Cerberus, the three-headed guard-dog of Hades, and a pair of elegant musicians in Greek dress.Timed to coincide with the centenary of the discovery of the painted tombs, a new study on the paintings has been produced by David Jacobson. This study appears as Annual VII of the Palestine Exploration Fund. It contains, for the first time, high quality reproductions of the photographic plates taken in 1902, which are held in the PEF collections. Reproduced with the photographs are the proofs of the coloured lithographs, which are superior in quality to the versions that were published. The inaccuracies and loss of delicate detail of the originals in the coloured lithographs used by Peters and Thiersch for their 1905 publication are clearly apparent. The accompanying text includes an analysis of all the paintings in the light of a century of scholarship and an assessment is made of their religious and cultural significance. Each of the animals in the frieze is compared with descriptions given by ancient writers, and a new interpretation is presented of the cycle as a whole. An appraisal is made of the overall contribution of the Marisa paintings to our knowledge of the art and culture of the Levant in the Ptolemaic period. Included with this new study is facsimile reprint of the original 1905 publication, now long out of print, and it includes superior copies of the coloured lithographs from that edition. This new publication also reproduces a very rare addenda section prepared by R.A.S. Macalister after inspecting the Marisa tombs in October of that year.