average unit stress
81ECONOMIC HISTORY — This article is arranged according to the following outline: first temple period exile and restoration second temple period talmudic era muslim middle ages medieval christendom economic doctrines early modern period sephardim and ashkenazim… …
82Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …
83BOINC Credit System — Within the BOINC platform for volunteer computing, the BOINC Credit System helps volunteers keep track of how much CPU time they have donated to various distributed computing projects. The credit system is designed to avoid cheating by validating …
84Automatic milking — is the milking of dairy animals without human labour.The milking processThe milking process is the collection of tasks specifically devoted to extracting milk from an animal (rather than the broader field of dairy animal husbandry). This process… …
85Grain boundary strengthening — (or Hall Petch strengthening) is a method of strengthening materials by changing their average crystallite (grain) size. It is based on the observation that grain boundaries impede dislocation movement and that the number of dislocations within a …
86Viet Cong and PAVN battle tactics — Soldier of a NLF/Viet Cong Main Force Unit. They shared common arms, procedures, tactics, organization and personnel with PAVN. Viet Cong and PAVN battle tactics comprised a flexible mix of guerrilla and conventional warfare battle tactics used… …
87productivity — pro·duc·tiv·i·ty (prō dŭk tĭvʹĭ tē, prŏd ək ) n. 1. The quality of being productive. 2. Economics. The rate at which goods or services are produced especially output per unit of labor. 3. Ecology. The rate at which radiant energy is used by… …
88Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …
89environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
90human behaviour — Introduction the potential and expressed capacity for physical, mental, and social activity during the phases of human life. Human beings, like other animal species, have a typical life course that consists of successive phases of… …
