reference-value scale
41level — 1. Any rank, position, or status in a graded scale of values. 2. A test for determining such rank or position. acoustic reference l. the biological reference l. for sound measurements. When the term decibel is used to …
42Control theory — For control theory in psychology and sociology, see control theory (sociology) and Perceptual Control Theory. The concept of the feedback loop to control the dynamic behavior of the system: this is negative feedback, because the sensed value is… …
43Medicare (United States) — President Johnson signing the Medicare amendment. Former President Harry S. Truman (seated) and his wife, Bess, are on the far right …
44Peskin-Takeuchi parameter — In particle physics, the Peskin Takeuchi parameters are a set of three measurable quantities, called S , T , and U , that parameterize potential new physics contributions to electroweak radiative corrections. They are named after physicists… …
45Cumulative frequency analysis — is the applcation of estimation theory to exceedance probability (or equivalently to its complement). The complement, the non exceedance probability concerns the frequency of occurrence of values of a phenomenon staying below a reference value.… …
46colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …
470 (number) — Zero redirects here. For other uses, see Zero (disambiguation). 0 −1 0 1 2 3 4 5 6 7 8 …
48List of musical symbols — Modern musical symbols are the marks and symbols that are widely used in musical scores of all styles and instruments today. This is intended to be a comprehensive guide to the various symbols encountered in modern musical notation. Contents 1… …
49Barometric formula — The barometric formula, sometimes called the exponential atmosphere or isothermal atmosphere , is a formula used to model how the pressure (or density) of the air changes with altitude.Pressure equationsThere are two different equations for… …
50Argentine economic crisis (1999–2002) — The Argentine economic crisis was part of the situation that affected Argentina s economy during the late 1990s and early 2000s. Macroeconomically speaking, the critical period started with the decrease of real GDP in 1999 and ended in 2002 with… …
