shear mechanism

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• SHEAR, MURRAY JACOB — (1899–1983), U.S. biochemist. Shear was born in New York. After doing research in several hospitals, he worked at the National Cancer Institute, Maryland, becoming chief of Chemical Pharmacology Laboratory from 1947. His research focused on the… …   Encyclopedia of Judaism

• Shear band — A shear band is a lens like region in which a large plastic shear has taken place, embedded in unsheared matrix. [Extracted from Gibson L, Ashby M. (1997). Cellular solids Structure and properties second edition. Cambridge Solid State Science… …   Wikipedia

• shear pin — noun : an easily replaceable pin (as the pin fixing the propeller to an outboard motor shaft) inserted at a critical point in a machine and designed to shear when subjected to excess stress called also break pin * * * shear pin noun A pin, which …   Useful english dictionary

• Mechanism of sonoluminescence — Sonoluminescence is a phenomenon that occurs when a small gas bubble is acoustically suspended and periodically driven in a liquid solution at ultrasonic frequencies, resulting in bubble collapse, cavitation, and light emission. The thermal… …   Wikipedia

• Shear line (locksmithing) — In a cylinder lock, the shear line, also known as the split line in Australia, is where the inner cylinder ends and the outer cylinder begins. When a correct change key or master key is inserted in the cylinder, it will align the pin segments… …   Wikipedia

• Deformation mechanism map — A deformation mechanism map is a way of representing the dominant deformation mechanism in a material loaded under a given set of conditions and thereby its likely failure mode. Deformation mechanism maps consist of some kind of stress plotted… …   Wikipedia

• механизм ветрового сдвига в ионосфере — Перераспределение ионосферной плазмы при наличии магнитного поля и горизонтальных ветров с резкими градиентами скорости (сдвигами) по высоте, вызывающее формирование ионосферного спорадического слоя E. [ГОСТ 25645.113 84] Тематики ионосфера земли …   Справочник технического переводчика

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• Frank-Read Source — A Frank Read Source is a mechanism explaining the generation of multiple dislocations in specific well spaced slip planes in crystals when they are deformed. It was proposed by and named after Sir Charles Frank and Thornton Read. When a crystal… …   Wikipedia

• Chip formation — The basic chip formation process. Chip formation is part of the process of cutting materials by mechanical means, using tools such as saws, lathes and milling cutters. An understanding of the theory and engineering of this formation is an… …   Wikipedia