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The Brinell hardness is designated by the most commonly used test standards (ASTM E10-14 [2] and ISO 6506–1:2005) as HBW (H from hardness, B from brinell and W from the material of the indenter, tungsten (wolfram) carbide). In former standards HB or HBS were used to refer to measurements made with steel indenters.
This is a list of articles about prime numbers.A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers.
The USRA Light Santa Fe was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-10-2 wheel arrangement in the Whyte notation, or 1′E1′ in UIC classification; this arrangement ...
As the first images out of Ferguson, Missouri surfaced 10 years ago — the bloodied body of a man left for hours in the street beneath white sheets, protesters smashing car windows and looting ...
Sales revenues increased 19% year over year to $2.7 billion. Demand for spec homes made up about 40% of the builder’s home orders in the quarter, and the builder expects the trend to hold ground ...
August 10, 2024 at 1:40 PM. A proposed ballot question in Baltimore that would pay new parents $1,000 when they have a child is unconstitutional, a judge has ruled. Media outlets report that ...
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
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