Valves Revisited

Author: Bengt Grahn
Editor:
ISBN: 9781905086702
File Size: 35,75 MB
Format: PDF, ePub, Mobi
Read: 6550
Download

For over half a century, valves (or tubes) dominated electronics. They could be found in public address systems and hearing aids, televisions and computers, communications and medical equipment, and of course in the radio set in every home. Since the advent of the transistor and the silicon chip, valves have almost completely disappeared. However, valves are still the preferred device in specialist applications, usually involving high power, including microwave ovens and some transmitters. There are hi-fi enthusiasts who argue that valve audio amplifiers give a more accurate and pleasing sound than those using semiconductors. Valves Revisited is a wide ranging book that provides the basics of how valves work through to how to build your own. There are details of the use of valves in domestic radios, test equipment and amateur transmitters. There are also detailed descriptions of the use of valves in amplifiers, receivers, power supplies, signal generators along with guides to modulation, receiver design, measurement, fault finding and much more

Gilbert Austin S Chironomia Revisited

Author: Sara Newman
Editor: Southern Illinois University Press
ISBN: 0809337673
File Size: 22,68 MB
Format: PDF, ePub, Docs
Read: 4078
Download

This first book-length study of Irish educator, clergyman, and author Gilbert Austin as an elocutionary rhetor investigates how his work informs contemporary scholarship on delivery, rhetorical history and theory, and embodied communication. Authors Sara Newman and Sigrid Streit study Austin’s theoretical system, outlined in his 1806 book Chironomia; or A Treatise on Rhetorical Delivery—an innovative study of gestures as a viable, independent language—and consider how Austin’s efforts to incorporate movement and integrate texts and images intersect with present-day interdisciplinary studies of embodiment. Austin did not simply categorize gesture mechanically, separating delivery from rhetoric and the discipline’s overall goals, but instead he provided a theoretical framework of written descriptions and illustrations that positions delivery as central to effective rhetoric and civic interactions. Balancing the variable physical elements of human interactions as well as the demands of communication, Austin’s system fortuitously anticipated contemporary inquiries into embodied and nonverbal communication. Enlightenment rhetoricians, scientists, and physicians relied on sympathy and its attendant vivacious and lively ideas to convey feelings and facts to their varied audiences. During the seventeenth and eighteenth-centuries, as these disciplines formed increasingly distinct, specialized boundaries, they repurposed existing, shared communication conventions to new ends. While the emerging standards necessarily diverged, each was grounded in the subjective, embodied bedrock of the sympathetic, magical tradition.

Global Climate Change Revisited

Author: Horace M. Karling
Editor: Nova Publishers
ISBN: 9781594540394
File Size: 67,64 MB
Format: PDF, Mobi
Read: 7868
Download

Global climate change continues to be a front-burner issues whether ignored by governments or not. The clock continues to tick. This new book presents the latest research on this crucial issue.

Encyclopedia Of Medical Devices And Instrumentation

Author: John G. Webster
Editor: Wiley-Interscience
ISBN: 9780470040683
File Size: 14,18 MB
Format: PDF, ePub
Read: 3826
Download

The articles in The Encyclopedia of Medical Devices and Instrumentation focus on what is currently useful or is likely to be useful in future medicine. They answer the question, What are the branches of medicine and how does technology assist each of them? Articles focus on the practice of medicine that is assisted by devices, rather than including, for example, the use of drugs to treat disease. The title is the only resource on the market dealing with the subject in encyclopedic detail. * Accessible to practitioners with a broad range of backgrounds from students to researchers and physicians * Articles cover the latest developments such as nanotechnology, fiber optics, and signal processing

Cardiovascular Thrombosis

Author: Marc Verstraete
Editor: Lippincott Williams & Wilkins
ISBN:
File Size: 42,49 MB
Format: PDF, ePub, Docs
Read: 566
Download

This reference provides guidance on clinical and scientific principles and concepts behind thrombosis and heart disease. It seeks to bridge the gap between cardiology, haematology, molecular biology and clinical medicine. The text builds an organized framework that begins with Fundamental Considerations, an overview of the general mechanisms of thrombosis and their relationship to atherosclerosis. The second section, Antithrombotic and Thrombolytic Drugs covers pharmacologic therapy, and the final section discusses the Prevention and Treatment of Thromboembolic Disorders.

Sind Revisited

Author: Sir Richard Francis Burton
Editor:
ISBN:
File Size: 26,31 MB
Format: PDF, ePub
Read: 3935
Download


European Heart Journal Supplements

Author:
Editor:
ISBN:
File Size: 58,10 MB
Format: PDF, ePub, Docs
Read: 3040
Download


Old Places Revisited

Author: Robert Bigsby
Editor:
ISBN:
File Size: 49,87 MB
Format: PDF, ePub, Mobi
Read: 869
Download


The Chernobyl Accident Revisited

Author: Alexander Roman Sich
Editor:
ISBN:
File Size: 66,86 MB
Format: PDF, Kindle
Read: 1376
Download


The Land Of Midian Revisited

Author: Sir Richard Francis Burton
Editor:
ISBN:
File Size: 36,66 MB
Format: PDF, ePub, Mobi
Read: 7294
Download


Mitral Valve Transesophageal Echocardiography

Author: Martin G. St. John Sutton
Editor: CRC Press
ISBN: 0203931548
File Size: 63,86 MB
Format: PDF
Read: 9093
Download

The only book available on transesophageal echocardiography of the mitral valve, this impressive and highly illustrated text provides a concise yet in-depth analysis of the mitral valve from an experience of over 10,000 transesophageal echocardiograms performed by the authors. A starting point or 'how-to' reference for studying the mitral valve

Hollow State Design 2nd Edition

Author: Grayson Evans
Editor: Lulu.com
ISBN: 1300965215
File Size: 29,28 MB
Format: PDF, Mobi
Read: 4765
Download


Journal Of Cardiovascular Surgery

Author:
Editor:
ISBN:
File Size: 67,54 MB
Format: PDF, ePub, Mobi
Read: 2021
Download


Archives Of Medical Research

Author:
Editor:
ISBN:
File Size: 30,95 MB
Format: PDF, Kindle
Read: 1944
Download


The Annals Of Thoracic Surgery

Author:
Editor:
ISBN:
File Size: 77,65 MB
Format: PDF, ePub
Read: 9917
Download


Texas Heart Institute Journal

Author:
Editor:
ISBN:
File Size: 60,10 MB
Format: PDF, ePub, Mobi
Read: 3615
Download