A Seals Purpose
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Author | : Marta Ameri |
Publisher | : Cambridge University Press |
Total Pages | : 524 |
Release | : 2018-05-03 |
Genre | : Social Science |
ISBN | : 1108173519 |
Studies of seals and sealing practices have traditionally investigated aspects of social, political, economic, and ideological systems in ancient societies throughout the Old World. Previously, scholarship has focused on description and documentation, chronology and dynastic histories, administrative function, iconography, and style. More recent studies have emphasized context, production and use, and increasingly, identity, gender, and the social lives of seals, their users, and the artisans who produced them. Using several methodological and theoretical perspectives, this volume presents up-to-date research on seals that is comparative in scope and focus. The cross-cultural and interdisciplinary approach advances our understanding of the significance of an important class of material culture of the ancient world. The volume will serve as an essential resource for scholars, students, and others interested in glyptic studies, seal production and use, and sealing practices in the Ancient Near East, Egypt, Ancient South Asia and the Aegean during the 4th-2nd Millennia BCE.
Author | : Robert K. Flitney |
Publisher | : Elsevier |
Total Pages | : 648 |
Release | : 2014-06-13 |
Genre | : Science |
ISBN | : 008099413X |
Seals and Sealing Handbook, Sixth Edition provides comprehensive coverage of sealing technology, bringing together information on all aspects of this area to enable you to make the right sealing choice. This includes detailed coverage on the seals applicable to static, rotary and reciprocating applications, the best materials to use in your sealing systems, and the legislature and regulations that may impact your sealing choices.Updated in line with current trends this updated reference provides the theory necessary for you to select the most appropriate seals for the job and with its 'Failure Guide', the factors to consider should anything go wrong. Building on the practical, stepped approach of its predecessor, Seals and Sealing Handbook, 6th Edition remains an essential reference for any engineer or designer who uses seals in their work. - A comprehensive reference covering a broad range of seal types for all situations, to ensure that you are able to select the most appropriate seal for any given task - Includes supporting case studies and a unique 'Failure Guide' to help you troubleshoot if things go wrong - New edition includes the most up-to-date information on sealing technology, making it an essential reference for anyone who uses seals in their work
Author | : |
Publisher | : Grand Central Publishing |
Total Pages | : 268 |
Release | : 2020-10-20 |
Genre | : Photography |
ISBN | : 1538735547 |
Retired Navy SEAL and professional photographer Darren McBurnett takes readers behind the scenes into the elite SEAL training program, BUD/S, in Coronado, California. Striking, beautiful, and haunting, Uncommon Grit takes a unique, unprecedented look at the toughest training in the military -- and the world -- from the vantage point of someone who lived through it. Retired Navy SEAL Darren McBurnett includes vivid descriptions of both the physical and mental evolutions that occur as a result of the immensely challenging SEAL training process. His stunning photographs, partnered with his compelling insights and sharp sense of humor, allow the reader to laugh, cringe, gasp, and even envision themselves going through this extraordinary experience.
Author | : Bai Shaoxian |
Publisher | : Academic Press |
Total Pages | : 240 |
Release | : 2019-07-10 |
Genre | : Technology & Engineering |
ISBN | : 0128172916 |
Gas Thermohydrodynamic Lubrication and Seals provides contemporary theory and methods for thermo-hydrodynamic lubrication analysis in the design of gas bearings and seals. The title includes information on gas state equations and gas property, derivation of gas thermohydrodynamic lubrication equations, the theory of isothermal gas lubrication, thermal gas lubrication of rigid surfaces, gas thermoelastic hydrodynamic lubrication of face seals, vapor-condensed gas lubrication of face seals, experimental methods, and the design of gas face seals. Readers will find state-of-the-art, practical knowledge based on fifty years of research and application. - Describes thermohydrodynamic lubrication analysis for the design of gas bearings and seals - Considers the increased operational speed, pressure and temperature of mechanical equipment in relation to gas bearings and seals - Describes multi-field coupled gas lubrication theory and analytical methods - Provides a model and detailed data on the lubricating properties of typical gas bearings and seals - Gives comprehensive coverage of the field based on a half-century of research and application
Author | : Mark Divine |
Publisher | : Penguin |
Total Pages | : 301 |
Release | : 2013-12-26 |
Genre | : Business & Economics |
ISBN | : 1621451100 |
In the Way of the SEAL, ex-Navy Commander Mark Divine reveals exercises, meditations and focusing techniques to train your mind for mental toughness, emotional resilience and uncanny intuition. Along the way you’ll reaffirm your ultimate purpose, define your most important goals, and take concrete steps to make them happen. A practical guide for businesspeople or anyone who wants to be an elite operator in life, this book will teach you how to: · Lead from the front, so that others will want to work for you · Practice front-sight focus, the radical ability to focus on one thing until victory is achieved · Think offense, all the time, to eradicate fear and indecisiveness · Smash the box and be an unconventional thinker so you’re never thrown off-guard by chaotic conditions · Access your intuition so you can make “hard right” decisions · Achieve twenty times more than you think you can · and much more Blending the tactics he learned from America’s elite forces with lessons from the Spartans, samurai, Apache scouts, and other great warrior traditions, Divine has distilled the fundamentals of success into eight powerful principles that will transform you into the leader you always knew you could be. Learn to think like a SEAL, and take charge of your destiny at work, home and in life.
Author | : Mike Hayes |
Publisher | : Celadon Books |
Total Pages | : 240 |
Release | : 2021-02-09 |
Genre | : Business & Economics |
ISBN | : 1250753368 |
In Never Enough, Mike Hayes—former Commander of SEAL Team TWO—helps readers apply high-stakes lessons about excellence, agility, and meaning across their personal and professional lives. Mike Hayes has lived a lifetime of once-in-a-lifetime experiences. He has been held at gunpoint and threatened with execution. He’s jumped out of a building rigged to explode, helped amputate a teammate’s leg, and made countless split-second life-and-death decisions. He’s written countless emails to his family, telling them how much he loves them, just in case those were the last words of his they’d ever read. Outside of the SEALs, he’s run meetings in the White House Situation Room, negotiated international arms treaties, and developed high-impact corporate strategies. Over his many years of leadership, he has always strived to be better, to contribute more, and to put others first. That’s what makes him an effective leader, and it’s the quality that he’s identified in all of the great leaders he’s encountered. That continual striving to lift those around him has filled Mike’s life with meaning and purpose, has made him secure in the knowledge that he brings his best to everything he does, and has made him someone others can rely on. In Never Enough, Mike Hayes recounts dramatic stories and offers battle- and boardroom-tested advice that will motivate readers to do work of value, live lives of purpose, and stretch themselves to reach their highest potential.
Author | : Adolf Reifenberg |
Publisher | : New York : Schocken Books |
Total Pages | : 184 |
Release | : 1950 |
Genre | : Jewish art |
ISBN | : |
Author | : Ronald Horace Warring |
Publisher | : |
Total Pages | : 452 |
Release | : 1981 |
Genre | : Sealing (Technology) |
ISBN | : |
Author | : Chellappa Chandrasekaran |
Publisher | : William Andrew |
Total Pages | : 161 |
Release | : 2009-11-09 |
Genre | : Science |
ISBN | : 081552076X |
Rubber Seals for Fluid and Hydraulic Systems is a comprehensive guide to the manufacturing and applications of rubber seals, with essential coverage for industry sectors including aviation, oil drilling and the automotive industry.Fluid leakage costs industry millions of dollars every year. In addition to wasted money, unattended leaks can result in downtime, affect product quality, pollute the environment, and cause injury. Successful sealing involves containment of fluid within a system while excluding the contaminants; the resilience of rubber enables it to be used to achieve these two objectives and create a tight sealing effect. A sound understanding of the complex factors involved in successful fluid sealing is essential for engineers who specify, design, operate and maintain machinery and mechanical equipment.This book focuses on the characteristics of rubbers as seals, their manufacturing procedures, the implications of their physical and chemical characteristics for the sealing function in the fluid and hydraulic systems, how rubbers seal and prevent leaks, what properties are required for sealing function, and how they change before and after installation.The chapter on Manufacture of Seals and 'O'Rings includes approximately 25 workable starting point formulations based on different rubbers, with cure and property data of those formulations as guidelines for technologists and engineers. - Emphasis on important areas such as applications of rubber as fluid seals in the nuclear, aviation, oil drilling and automotive industries - Includes a chapter on Rubber Expansion Joints as the function of such expansion joints as pipe connectors is indirectly linked with leakage and prevention of fluid flow through the pipes - The chapter on Manufacture of Seals and 'O'Rings includes approx. 25 workable starting point formulations based on different rubbers, with cure and property data of those formulations as guidelines for technologists and engineers
Author | : Irene S. Lemos |
Publisher | : John Wiley & Sons |
Total Pages | : 1484 |
Release | : 2020-01-09 |
Genre | : History |
ISBN | : 1118770196 |
A Companion that examines together two pivotal periods of Greek archaeology and offers a rich analysis of early Greek culture A Companion to the Archaeology of Early Greece and the Mediterranean offers an original and inclusive review of two key periods of Greek archaeology, which are typically treated separately—the Late Bronze Age and the Early Iron Age. It presents an in-depth exploration of the society and material culture of Greece and the Mediterranean, from the 14th to the early 7th centuries BC. The two-volume companion sets Aegean developments within their broader geographic and cultural context, and presents the wide-ranging interactions with the Mediterranean. The companion bridges the gap that typically exists between Prehistoric and Classical Archaeology and examines material culture and social practice across Greece and the Mediterranean. A number of specialists examine the environment and demography, and analyze a range of textual and archaeological evidence to shed light on socio-political and cultural developments. The companion also emphasizes regionalism in the archaeology of early Greece and examines the responses of different regions to major phenomena such as state formation, literacy, migration and colonization. Comprehensive in scope, this important companion: Outlines major developments in the two key phases of early Greece, the Late Bronze Age and the Early Iron Age Includes studies of the geography, chronology and demography of early Greece Explores the development of early Greek state and society and examines economy, religion, art and material culture Sets Aegean developments within their Mediterranean context Written for students, and scholars interested in the material culture of the era, ACompanion to the Archaeology of Early Greece and the Mediterranean offers a comprehensive and authoritative guide that bridges the gap between the Late Bronze Age and the Early Iron Age. 2020 CHOICE Outstanding Academic Title Winner!