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A blucher (/ ˈ b l uː tʃ ər / or / ˈ b l uː k ər /, German pronunciation:, Blücher) is a style of shoe with open lacing, its vamp made of a single piece of leather ("one cut"), with shoelace eyelets tabs sewn on top. [1] The blucher is similar to a derby since both feature open lacing, in contrast to the Oxford shoe, which uses closed ...
Oxford shoes are also known for their variation or style. The Cap-Toe Oxford is the most well-known, although 'Whole Cut', 'Plain Toe', and a variation of 'Brogue' Oxfords are commonly referred to styles. [5] Shoes with closed lacing (Oxfords/Balmorals) are considered more formal than those with open lacing (Bluchers/Derbys). [6]
In American English the derby shoe may be referred to as a 'blucher', although technically the blucher is a different design of shoe where only eyelet tabs (not larger quarters) are sewn onto a single-piece vamp. In modern colloquial English the derby shoe may be referred to as 'bucks' when the upper is made of buckskin. [3] "
The two-rays ground-reflection model is a multipath radio propagation model which predicts the path losses between a transmitting antenna and a receiving antenna when they are in line of sight (LOS). Generally, the two antenna each have different height. The received signal having two components, the LOS component and the reflection component ...
A time-domain reflectometer; an instrument used to locate the position of faults on lines from the time taken for a reflected wave to return from the discontinuity.. A signal travelling along an electrical transmission line will be partly, or wholly, reflected back in the opposite direction when the travelling signal encounters a discontinuity in the characteristic impedance of the line, or if ...
Intuitively, "If I can see you, you can see me." Like the principles of thermodynamics, in suitable conditions, this principle is reliable enough to use as a check on the correct performance of experiments, in contrast with the usual situation in which the experiments are tests of a proposed law. [1] [12]
The monk shoe is a moderately formal shoe: less formal than a full Oxford (American: Balmoral); but more so than an open Derby (American: Blücher). [4] [5] In between these, it is one of the main categories of men's shoes. The monk shoe is described by some specialists in the fashion sector as the most accomplished men's dress shoe.
This has come to be known as emission theory. [6] Hero demonstrated the equality of the angle of incidence and reflection on the grounds that this is the shortest path from the object to the observer. On this basis, he was able to define the fixed relation between an object and its image in a plane mirror.