- valence crystal
- кристалл с ковалентной связью
Англо-русский технический словарь.
Англо-русский технический словарь.
valence crystal — kovalentinis kristalas statusas T sritis chemija apibrėžtis Kristalas, kurio dauguma mazguose esančių atomų sujungti kovalentiniais ryšiais. atitikmenys: angl. covalent crystal; valence crystal rus. ковалентный кристалл … Chemijos terminų aiškinamasis žodynas
Crystal structure prediction — (CSP) is the calculation of the crystal structures of solids from first principles. Reliable methods of predicting the crystal structure of a compound, based only on its molecular structure, has been a goal of the physical sciences since the… … Wikipedia
Crystal violet lactone — (CVL) is a leuco dye, a lactone derivate of crystal violet 10B. In pure state it is a slightly yellowish crystalline powder, soluble in nonpolar or slightly polar organic solvents. The central carbon in the leuco form is in a tetraedric… … Wikipedia
crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… … Universalium
Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… … Universalium
Crystal structure — In mineralogy and crystallography, crystal structure is a unique arrangement of atoms or molecules in a crystalline liquid or solid. A crystal structure is composed of a pattern, a set of atoms arranged in a particular way, and a lattice… … Wikipedia
Valence (chemistry) — For other uses, see Valence (disambiguation). In chemistry, valence, also known as valency or valence number, is a measure of the number of bonds formed by an atom of a given element. Valence can be defined as the number of valence bonds[1] a… … Wikipedia
Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… … Wikipedia
covalent crystal — kovalentinis kristalas statusas T sritis chemija apibrėžtis Kristalas, kurio dauguma mazguose esančių atomų sujungti kovalentiniais ryšiais. atitikmenys: angl. covalent crystal; valence crystal rus. ковалентный кристалл … Chemijos terminų aiškinamasis žodynas
Bond valence method — The bond valence method (or bond valence sum) (not to be mistaken for the valence bond theory in quantum chemistry) is a popular method in coordination chemistry to estimate the oxidation states of atoms.The basic idea is that the valence V of an … Wikipedia
Anisodesmic crystal — An anisodesmic crystal (sometimes anisodemic crystal) is a crystal containing bonds with differing electrostatic valencies. All other crystals are known as isodesmic crystals (or isodemic) and examples include diamond and halite. These terms are… … Wikipedia