upper yield stress
81T-criterion — The T failure criterion [Andrianopoulos, N.P., Atkins, A.G., Experimental Determination of the Failure Parameters ΤD,0 and ΤV,0 in Mild Steels According to the T criterion, ECF9 Reliability and Structural Integrity of Advanced Materials, Vol. III …
82Burnishing (metalworking) — Burnishing is the plastic deformation of a surface due to sliding contact with another object. Visually, burnishing smears the texture of a rough surface and makes it shinier. Burnishing may occur on any sliding surface if the contact stress… …
83Logarithm — The graph of the logarithm to base 2 crosses the x axis (horizontal axis) at 1 and passes through the points with coordinates (2, 1), (4, 2), and (8, 3) …
84Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …
85Delaware languages — Delaware Spoken in United States, in modern times Canada Region Around the lower Delaware and Hudson rivers in the United States; one or two Munsee speakers in Canada; Unami groups in Oklahoma Native speakers …
86Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …
87iceberg — /uys berrg/, n. 1. a large floating mass of ice, detached from a glacier and carried out to sea. 2. Informal. an emotionally cold person. 3. Australian Informal. a person who swims or surfs regularly in winter. 4. tip of the iceberg, the first… …
88Czechoslovak history — Introduction history of the region comprising the historical lands of Bohemia, Moravia, and Slovakia from prehistoric times through their federation, under the name Czechoslovakia, during 1918–92. With the dissolution of the Czechoslovak… …
89Ancient Egypt — was an ancient civilization in eastern North Africa, concentrated along the lower reaches of the Nile River in what is now the modern nation of Egypt. The civilization began around 3150 BC [Only after 664 BC are dates secure. See Egyptian… …
90plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …
