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The Instru ment, which has been in operative use since April 1971, has also proved to be more precisely controllable by the surgeon than comparable hand-powered instruments. The instrument is a new Air Instrument conceived with considerable attention, to full contral of the biting tips, to versatility and ease of use. Still, a little directed learning is essential for comfortable bone-cutting. Some hints are included in "How to use the Ronjair®, Air-Powered Rongeur" and "Technique suggestions", but it is ad visable to practice outside the operating room to get the feel of it. In aseries of presentations to so me 3,000 neurosurgeons and orthopedists in the past two years at large national meetings, it was cIear that nearly all could become adept in the use of the instrument after some 5 -10 minutes. The Ronjair® Air-Powered Rongeur was developed by Hall International Inc. with the suggestions and effort of N. Edalatpour, M.D. N. Edalatpour, M.D., F.A.C.S.  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The first part of the book offers a comprehensive overview of the history and early research on CSD, and then discusses the recent advances in the technology used to map and monitor brain mitochondrial NADH redox state and other physiological functions during CSD. The chapters explore the connection between CSD and mitochondrial function under hypoxia, Ischemia and various drugs treatment, and provide a resource to scientists researching the development of CSD during various brain pathophysiological conditions.  Free Download Corrosion and Degradation in Fuel Cells, Supercapacitors and Batteries by Viswanathan S. Saji English | EPUB (True) | 2024 | 496 Pages | ISBN : 3031570111 | 126.8 MB This book discusses research and development on various degradation types and their mitigation approaches in electrochemical energy storage and conversion (EESC) devices, such as fuel cells, batteries, and supercapacitors, essential to realizing carbon neutrality and a sustainable energy economy. 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The combination of case studies, new and previously published research, historical overview and examples of the ways in which research has contributed to the management and conservation of Cuban coastal resources provides a unique reference for graduate students and professionals holding a wide range of interests and expertise related to coral reef systems.  Free Download Converging Clinical and Engineering Research on Neurorehabilitation III: Proceedings of the 4th International Conference on NeuroRehabilitation (ICNR2018), October 16-20, 2018, Pisa, Italy by Lorenzo Masia English | PDF | 2018 (2019 Edition) | 1170 Pages | ISBN : 303001844X | 100.08 MB The book reports on advanced topics in the areas of neurorehabilitation research and practice. It focuses on new methods for interfacing the human nervous system with electronic and mechatronic systems to restore or compensate impaired neural functions. Importantly, the book merges different perspectives, such as the clinical, neurophysiological, and bioengineering ones, to promote, feed and encourage collaborations between clinicians, neuroscientists and engineers.  Free Download Contributions to Current Challenges in Mathematical Fluid Mechanics by Giovanni P. Galdi, John G. Heywood, Rolf Rannacher English | PDF (True) | 2004 | 159 Pages | ISBN : 3764371048 | 11.8 MB This volume consists of five research articles, each dedicated to a significant topic in the mathematical theory of the Navier-Stokes equations, for compressible and incompressible fluids, and to related questions. All results given here are new and represent a noticeable contribution to the subject. One of the most famous predictions of the Kolmogorov theory of turbulence is the so-called Kolmogorov-obukhov five-thirds law. As is known, this law is heuristic and, to date, there is no rigorous justification. The article of A. Biryuk deals with the Cauchy problem for a multi-dimensional Burgers equation with periodic boundary conditions. Estimates in suitable norms for the corresponding solutions are derived for "large" Reynolds numbers, and their relation with the Kolmogorov-Obukhov law are discussed. Similar estimates are also obtained for the Navier-Stokes equation. In the late sixties J. L. Lions introduced a "perturbation" of the Navier Stokes equations in which he added in the linear momentum equation the hyper dissipative term (-Ll),Bu, f3 ~ 5/4, where Ll is the Laplace operator. This term is referred to as an "artificial" viscosity. Even though it is not physically moti vated, artificial viscosity has proved a useful device in numerical simulations of the Navier-Stokes equations at high Reynolds numbers. The paper of of D. Chae and J. Lee investigates the global well-posedness of a modification of the Navier Stokes equation similar to that introduced by Lions, but where now the original dissipative term -Llu is replaced by (-Ll)O:u, 0 S Ct < 5/4.  Free Download Contemporary Russia by Edwin Bacon English | PDF EPUB (True) | 2024 | 300 Pages | ISBN : 3031524225 | 9.9 MB This textbook offers an up-to-date and incisive overview of contemporary Russia. Systematically covering the country's history, geography, society, politics, economy and culture, it analyses current developments -the headlines and the more everyday- and situates its analysis in the wider historical context to help readers make sense of one of the world's most important regions. Building on the success of its previous editions and analysing complex questions in the light of expertise gathered over decades, this remains the leading text for a wide-ranging account of Russia today.  Free Download Contemporary Neuroma Management by Kyle R. Eberlin, Ivica Ducic, Amy Moore, Paul S. Cederna, Ian L. Valerio, Gregory A. Dumanian English | PDF EPUB (True) | 2024 | 310 Pages | ISBN : 3031597575 | 303.4 MB Traditional techniques for the surgical management of symptomatic neuromas involve excision with intra-muscular or intra-osseous burying. Over the last decade, a number of novel strategies have been developed that have led to a resurgence of interest in management of the symptomatic neuroma. These techniques are collectively summarized as active management strategies and include targeted muscle reinnervation (TMR), regenerative peripheral nerve interface (RPNI) and others. |
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