trigonal
11Trigonal planar molecular geometry — In chemistry, trigonal planar is a molecular geometry with one atom at the center and three atoms at the corners of a triangle all in one planeFact|date=January 2008. In an ideal trigonal planar species, all three ligands are identical and all… …
12Trigonal bipyramidal molecular geometry — Infobox molecular geometry Symmetry group= D3h Electron direction=5 Atom direction=5 Bond angle=90°, 120° mu= 0 Examples=PF5 In chemistry a trigonal bipyramid formation is a molecular geometry with one atom at the center and 5 more atoms at the… …
13trigonal system — ▪ crystallography also called Rhombohedral System, one of the structural categories to which crystalline solids can be assigned. The trigonal system is sometimes considered to be a subdivision of the hexagonal system. Components of… …
14trigonal crystal system — trigoninė kristalografinė sistema statusas T sritis fizika atitikmenys: angl. trigonal crystal system; trigonal crystallographic system vok. trigonales Kristallsystem, n rus. ромбоэдрическая кристаллографическая система, f; тригональная… …
15trigonal crystallographic system — trigoninė kristalografinė sistema statusas T sritis fizika atitikmenys: angl. trigonal crystal system; trigonal crystallographic system vok. trigonales Kristallsystem, n rus. ромбоэдрическая кристаллографическая система, f; тригональная… …
16Trigonal trapezohedron — The trigonal trapezohedron or deltohedron is the first in an infinite series of face uniform polyhedra which are dual polyhedron to the antiprisms. It has six faces which are congruent rhombi.Trigonal trapezohedrons are a subset of the… …
17Trigonal trisoctahedron — Trisoctahedron Tris*oc ta*he dron, n. [Gr. ? thrice + FE. octahedron.] (Crystallog.) A solid of the isometric system bounded by twenty four equal faces, three corresponding to each face of an octahedron. [1913 Webster] {Tetragonal trisoctahedron} …
18trigonal reflector antenna — antena su trikampiu atšvaitu statusas T sritis radioelektronika atitikmenys: angl. trigonal reflector antenna vok. Dreieckreflektorantenne, f rus. антенна с треугольным отражателем, f pranc. antenne à réflecteur en triangulaire, f …
19trigonal atom — trigoninis atomas statusas T sritis chemija apibrėžtis Atomas, kurio visi trys kovalentiniai ryšiai išsidėstę vienoje plokštumoje. atitikmenys: angl. trigonal atom rus. тригональный атом …
20trigonal system — trigoninė sistema statusas T sritis chemija apibrėžtis Kristalografinė sistema, kuriai būdinga trečiosios eilės simetrijos ašis. atitikmenys: angl. trigonal system rus. ромбоэдрическая система; тригональная система ryšiai: sinonimas – romboedrinė …