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CO2SYS is a family of software programs that calculate chemical equilibria for aquatic inorganic carbon species and parameters. Their core function is to use any two of the four central inorganic carbon system parameters (pH, alkalinity, dissolved inorganic carbon, and partial pressure of carbon dioxide) to calculate various chemical properties of the system.
The Wallace rule of nines is a tool used in pre-hospital and emergency medicine to estimate the total body surface area (BSA) affected by a burn. In addition to determining burn severity, the measurement of burn surface area is important for estimating patients' fluid requirements and determining hospital admission criteria.
In adults, the Wallace rule of nines can be used to determine the total percentage of area burned for each major section of the body. [ 1 ] In burn cases that involve partial body areas, or when dermatologists are evaluating the Psoriasis Area and Severity Index (PASI) score, the patient's palm can serve a reference point roughly equivalent to ...
4 layer Dadda reduction of an 8x8 partial product matrix, using 7 half adders (two dots) and 35 full adders (three dots). The dots in each column are bits of equal weight. Bits with lower weight are rightmost. The example in the adjacent image illustrates the reduction of an 8 × 8 multiplier, explained here.
It went into service in December 1954 [1] and was likely the most powerful computer at the time. [2] The Naval Ordnance Research Calculator (NORC), was built at the Watson Scientific Computing Laboratory under the direction of Wallace Eckert. [3] The computer was presented to the US Navy on December 2, 1954.
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In geometry, given a triangle ABC and a point P on its circumcircle, the three closest points to P on lines AB, AC, and BC are collinear. [1] The line through these points is the Simson line of P, named for Robert Simson. [2] The concept was first published, however, by William Wallace in 1799, [3] and is sometimes called the Wallace line. [4]