Pn En Iso 4136
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Author | : João Pedro Oliveira |
Publisher | : MDPI |
Total Pages | : 260 |
Release | : 2020-05-13 |
Genre | : Technology & Engineering |
ISBN | : 303928861X |
Laser welding is a high-energy process used in a wide range of advanced materials to obtain micro- to macro-sized joints in both similar and dissimilar combinations. Moreover, this technique is widely used in several industries, such as automotive, aerospace, and medical industries, as well as in electrical devices. Although laser welding has been used for several decades, significant and exciting innovations often arise from both the process and/or advanced materials side.
Author | : Tarasankar DebRoy, Stan A. David, John N. DuPont, Toshihiko Koseki, Harry K. Bhadeshia |
Publisher | : ASM International |
Total Pages | : 1117 |
Release | : 2013-03-01 |
Genre | : Technology & Engineering |
ISBN | : 1627089985 |
The Trends conference attracts the world's leading welding researchers. Topics covered in this volume include friction stir welding, sensing, control and automation, microstructure and properties, welding processes, procedures and consumables, weldability, modeling, phase transformations, residual stress and distortion, physical processes in welding, and properties and structural integrity of weldments.
Author | : Michael B. Smith |
Publisher | : John Wiley & Sons |
Total Pages | : 2379 |
Release | : 2007-01-29 |
Genre | : Science |
ISBN | : 0470084944 |
The Sixth Edition of a classic in organic chemistry continues its tradition of excellence Now in its sixth edition, March's Advanced Organic Chemistry remains the gold standard in organic chemistry. Throughout its six editions, students and chemists from around the world have relied on it as an essential resource for planning and executing synthetic reactions. The Sixth Edition brings the text completely current with the most recent organic reactions. In addition, the references have been updated to enable readers to find the latest primary and review literature with ease. New features include: More than 25,000 references to the literature to facilitate further research Revised mechanisms, where required, that explain concepts in clear modern terms Revisions and updates to each chapter to bring them all fully up to date with the latest reactions and discoveries A revised Appendix B to facilitate correlating chapter sections with synthetic transformations
Author | : Tsutomu Ishikawa |
Publisher | : John Wiley & Sons |
Total Pages | : 336 |
Release | : 2009-01-26 |
Genre | : Science |
ISBN | : 9780470740866 |
Guanidines, amidines and phosphazenes have been attracting attention in organic synthesis due to their potential functionality resulting from their extremely strong basicity. They are also promising catalysts because of their potential for easy molecular modification, possible recyclability, and reduced or zero toxicity. Importantly, these molecules can be derived as natural products – valuable as scientists move towards “sustainable chemistry”, where reagents and catalysts are derived from biomaterial sources. Superbases for Organic Synthesis is an essential guide to these important molecules for preparative organic synthesis. Topics covered include the following aspects: an introduction to organosuperbases physicochemical properties of organic superbases amidines and guanidines in organic synthesis phosphazene: preparation, reaction and catalytic role polymer-supported organosuperbases application of organosuperbases to total synthesis related organocatalysts: proton sponges and urea derivatives amidines and guanidines in natural products and medicines Superbases for Organic Synthesis is a comprehensive, authoritative and up-to-date guide to these important reagents for organic chemists, drug discovery researchers and those interested in the chemistry of natural products.
Author | : Sergey Ermakov |
Publisher | : Springer |
Total Pages | : 219 |
Release | : 2015-07-11 |
Genre | : Science |
ISBN | : 3319203495 |
This book summarizes the theoretical and experimental studies confirming the concept of the liquid-crystalline nature of boundary lubrication in synovial joints. It is shown that cholesteric liquid crystals in the synovial liquid play a significant role in the mechanism of intra-articular friction reduction. The results of structural, rheological and tribological research of the creation of artificial synovial liquids containing cholesteric liquid crystals in natural synovial liquids are described. These liquid crystals reproduce the lubrication properties of natural synovia and provide a high chondroprotective efficiency. They were tested in osteoarthritis models and in clinical practice.
Author | : International Organization for Standardization |
Publisher | : |
Total Pages | : 1146 |
Release | : 1998 |
Genre | : Standardization |
ISBN | : |
Author | : Oleg N. Senkov |
Publisher | : Springer Science & Business Media |
Total Pages | : 451 |
Release | : 2004-06-29 |
Genre | : Technology & Engineering |
ISBN | : 1402020600 |
In the fall of 1998, Prof. Sergey Firstov invited me to the Frantcevych Institute for Problems of Materials Science (IPMS) in Kyiv, Ukraine to discuss possible collaborations in the area of advanced metals research. During this visit, a strong mutual interest was evident in a broad range of structural metals technologies, and a quick friendship was established. Countless subsequent emails and a reciprocal visit to the U. S Air Force Research Laboratory by Prof. Firstov and a team of scientists from IPMS ensued to discuss and detail a broad collaboration in the area of structural metals. Two years after the initial visit, a major investment by the U. S. Air Force Office of Scientific Research (AFOSR) was established to pursue the technologies defined by these interactions. The annual reviews of the AFOSR Ukrainian Metals Initiative were held in late May, a most beautiful time in Kyiv when the lilacs are in bright display and the air is scented with the smell of falling blossoms from the chestnut trees that line the major streets and many parks. The sunny days and mild evenings provide a welcome break from winter, and on weekend evenings festive crowds spill onto the Khreshchatyk, Kyiv’s downtown boulevard, to listen to street musicians, watch jugglers and comedians, or simply to celebrate with friends. The annual reviews featured long days of intensive discussion of technical progress, followed in the evenings by the warm hospitality of the Ukrainian hosts.
Author | : Arlee Smith |
Publisher | : |
Total Pages | : 782 |
Release | : 2018-02-21 |
Genre | : |
ISBN | : 9780692056783 |
Advanced textbook on crystal nonlinear optics.
Author | : International Organization for Standardization |
Publisher | : |
Total Pages | : 1100 |
Release | : 1997 |
Genre | : Standardization |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 220 |
Release | : 2000 |
Genre | : Bioaccumulation |
ISBN | : |