rhomb

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rhomb

[räm]
(crystallography)
(mathematics)
References in periodicals archive ?
Prisms and rhombs represented the most numerous and best developed faces in this as well as other samples.
Now we can use a standard edge sequence [sigma] to distort the boundaries of the rhombs in R(n).
Therefore even after finding a tiling of the regions inside the [sigma] -boundaries of the rhombs R(n), one must still do more work to determine how the prototiles have been placed to obtain those tiles.
The formation of non-stoichiometric scattered concentric zoned dolomite rhombs of type 3 in limestone matrix (Figs 6C, 8, 9) represents the initial phase of dolomitization (Torok 2000; Fig.
However, the very example Plato uses as an argument in favor of his theory ironically supports Stiegler's own view: the famous slave who is being questioned by the philosopher regarding a mathematical problem, <<remembers>> the right answer and gets enlightened only when he is asked to draw a square in the sand before him and subdivide it by physically drawing perpendicular and diagonal lines (forming a rhomb that is exactly half the surface of the original figure).
Hence, in determining rhombs with maximal number of rows, a further restriction is needed: only ramps with no repeated horizontal words should be allowed.
When we look at the visualizations for obligation of report, indicating formal decision rights for the actors with higher prestige, we note that the party caucuses in the parliaments (light gray circles) and the political-administrative actors of the federal, state, and European level (black rhombs and circles) clearly dominate the structure.
This rock has a very fine grained microsparry matrix, in which are scattered very fine sand- and silt-sized rhombs of dolomite (Mg[CO.
And, later in the same poem, Urizen is described as being "Terrified with his heart & spirit at the visions of futurity" (E 322; The Four Zoas 34-7); for, in the unknowable time of futurity, he fears the dissolution or loss of the "mathematic" form with which he structures the world--the "Trapeziums Rhombs Rhomboids / Paralellograms.
Every triplet of rhombs meeting at a triple corner in the Penrose tiling in Fig.
Skeletal feldspar grains contain ankerite rhombs, and tiny sphalerite, galena, barite, and siderite crystals.