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As a technical term in metrical analysis, the term "lekythion" is first attested in the 2nd century AD, in the Handbook of Metrics by the grammarian Hephaestion. [14] Hephaestion also calls the pattern the "Euripideum" (" τὸ καλούμενον Εὐριπίδειον ἢ Ληκύθιον ", "the so-called Euripideum or Lekythion").
A kilogram mass and three metric measuring devices: a tape measure in centimetres, a thermometer in degrees Celsius, and a multimeter that measures potential in volts, current in amperes and resistance in ohms.
Resolution is the metrical phenomenon in poetry of replacing a normally long syllable in the meter with two short syllables. It is often found in iambic and trochaic meters, and also in anapestic, dochmiac and sometimes in cretic, bacchiac, and ionic meters. In iambic and trochaic meters, either the first or the second half of the metrical foot ...
The angstrom (symbol Å) is a unit of distance used in chemistry and atomic physics equal to 100 pm. The micron (μ) is a unit of distance equal to one micrometre (1 μm). The basic module (M) is a unit of distance equal to one hundred millimetres (100 mm). The myriametre (mym) is a unit of distance equal to ten kilometres (10 km).
Mass spectral interpretation is the method employed to identify the chemical formula, characteristic fragment patterns and possible fragment ions from the mass spectra. [ 1 ] [ 2 ] Mass spectra is a plot of relative abundance against mass-to-charge ratio.
A system of units of measurement, also known as a system of units or system of measurement, is a collection of units of measurement and rules relating them to each other. . Systems of measurement have historically been important, regulated and defined for the purposes of science and comme
Additional SMARTS development was made at Daylight Chemical Information Systems, Inc, which is a private company that was spun out of the software side of MedChem. The most comprehensive descriptions of the SMARTS language can be found in Daylight's SMARTS theory manual, [ 1 ] tutorial [ 2 ] and examples. [ 3 ]
In a tetrahedral molecular geometry, a central atom is located at the center with four substituents that are located at the corners of a tetrahedron.The bond angles are arccos(− 1 / 3 ) = 109.4712206...° ≈ 109.5° when all four substituents are the same, as in methane (CH 4) [1] [2] as well as its heavier analogues.