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Blumberg's sign (also referred to as rebound tenderness or Shchetkin–Blumberg's sign) is a clinical sign in which there is pain upon removal of pressure rather than application of pressure to the abdomen. (The latter is referred to simply as abdominal tenderness .) It is indicative of peritonitis. It was named after German surgeon Jacob ...
The character ∂ ( Unicode: U+2202) is a stylized cursive d mainly used as a mathematical symbol, usually to denote a partial derivative such as (read as "the partial derivative of z with respect to x "). [1] [2] It is also used for boundary of a set, the boundary operator in a chain complex, and the conjugate of the Dolbeault operator on ...
Gary L. Harrell: Retired Major General. Former Commander of Delta Force from 1998 to 2000. Served as a troop commander during invasion of Panama in 1989 and served as C Squadron Commander during the Battle of Mogadishu in Somalia in October 1993. Paul R. Howe: Delta Force veteran of Operation Just Cause in Panama and Operation Gothic Serpent.
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Delta ( / ˈdɛltə /; [1] uppercase Δ, lowercase δ; Greek: δέλτα, délta, [ˈðelta]) [2] is the fourth letter of the Greek alphabet. In the system of Greek numerals it has a value of 4. It was derived from the Phoenician letter dalet 𐤃. [3] Letters that come from delta include Latin D and Cyrillic Д .
Angstrom sign: Ångström unit of measure for length, preferred representation is Å (A with ring above) Ǻ ǻ: A with ring above and acute: Danish Å̂ å̂: A with ring above and circumflex: Old High German: Å̃ å̃: A with ring above and tilde: North Germanic Dialectology Å̄ å̄: A with ring above and macron
Laplacian of the indicator. In potential theory, a branch of mathematics, the Laplacian of the indicator of the domain D is a generalisation of the derivative of the Dirac delta function to higher dimensions, and is non-zero only on the surface of D. It can be viewed as the surface delta prime function. It is analogous to the second derivative ...
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