graded profile

См. также в других словарях:

• graded profile —   the long section or profile of a river from source to mouth. In an ideal form there is a smooth decrease in gradient downstream, inputs equal outputs and energy equals work done. Of course this does not exist in the real world, but the profile… …   Geography glossary

• profile of equilibrium — 1. : the longitudinal profile of a stream whose smooth gradient is so adjusted to volume of water and amount and nature of load as to be maintained in approximate equilibrium while erosion and transportation continue : a graded profile 2. : the… …   Useful english dictionary

• Profile — Pro file, n. [It. profilo, fr. L. pro before + filum a thread, an outline, shape: cf. F. profil. See {File} arow, and cf. {Purfle}, {Purl}, a fringe.] 1. An outline, or contour; as, the profile of an apple. [1913 Webster] 2. (Paint & Sculp.) A… …   The Collaborative International Dictionary of English

• Profile paper — Profile Pro file, n. [It. profilo, fr. L. pro before + filum a thread, an outline, shape: cf. F. profil. See {File} arow, and cf. {Purfle}, {Purl}, a fringe.] 1. An outline, or contour; as, the profile of an apple. [1913 Webster] 2. (Paint &… …   The Collaborative International Dictionary of English

• Graded-index fiber — In fiber optics, a graded index or gradient index fiber is an optical fiber whose core has a refractive index that decreases with increasing radial distance from the fiber axis (the imaginary central axis running down the length of the… …   Wikipedia

• Refractive index profile — A refractive index profile is the distribution of refractive indices of materials within an optical fiber. Some optical fiber has a step index profile, in which the core has one uniformly distributed index and the cladding has a lower uniformly… …   Wikipedia

• Power-law index profile — For optical fibers, a power law index profile is an index of refraction profile characterized by : n(r) = egin{cases} n 1 sqrt{1 2Deltaleft({r over alpha} ight)^g} r le alpha n 1 sqrt{1 2Delta} r ge alpha end{cases}whereDelta = {n 1^2 n 2^2 over …   Wikipedia

• Step-index profile — For an optical fiber, a step index profile is a refractive index profile characterized by a uniform refractive index within the core and a sharp decrease in refractive index at the core cladding so that the cladding is of a lower refractive index …   Wikipedia

• high-profile — ADJ GRADED: usu ADJ n A high profile person or a high profile event attracts a lot of attention or publicity. ...one of football s high profile chairmen. ...the high profile reception being given to Mr Arafat …   English dictionary

• Biophysical profile — A biophysical profile is a prenatal ultrasound evaluation of fetal wellbeing, involving a scoring system. It is often done when a non stress test is non reactive, or for other obstetrical indications.The biophysical profile (BPP) has 5 components …   Wikipedia

• Knickpoint — The Horseshoe Falls, one of the three Niagara Falls. The falls are a knickpoint, formed by slower erosion above the falls than below. A knickpoint is a term in geomorphology to describe a location in a river or channel where there is a sharp… …   Wikipedia