Medical dictionary. 2011.
formula — 1. A recipe or prescription containing directions for the compounding of a medicinal preparation. 2. In chemistry, a symbol or collection of symbols expressing the number of atoms of the element or elements forming one molecule of a substance,… … Medical dictionary
Spatial cutoff frequency — In optics, spatial cutoff frequency is a precise way to quantify the smallest object resolvable by an optical system. Due to diffraction at the image plane, all optical systems act as low pass filters with a finite ability to resolve detail. If… … Wikipedia
projection formula — a planar, and therefore simplified, representation of a spatial formula … Medical dictionary
configurational formula — spatial f … Medical dictionary
stereochemical formula — spatial f … Medical dictionary
Quaternions and spatial rotation — Unit quaternions provide a convenient mathematical notation for representing orientations and rotations of objects in three dimensions. Compared to Euler angles they are simpler to compose and avoid the problem of gimbal lock. Compared to… … Wikipedia
Chemical formula — Al2(SO4)3 Example of a chemical formula, aluminium sulfate A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound. The chemical formula identifies each constituent … Wikipedia
chemical formula — Expression of the composition or structure of a chemical compound. Formulas for molecules use chemical symbols with subscript numbers to show the number of atoms of each element: O2 for molecular oxygen, O3 for ozone, CH4 for methane, C6H6 for… … Universalium
Whittaker–Shannon interpolation formula — The Whittaker–Shannon interpolation formula or sinc interpolation is a method to reconstruct a continuous time bandlimited signal from a set of equally spaced samples. Contents 1 Definition 2 Validity condition 3 Interpolation as convolution sum … Wikipedia
Dephasing rate SP formula — The SP formula for the dephasing rate Γφ of a particle that moves in a fluctuating environment, unifies various results that have been obtained, notably in condensed matter physics with regard to the motion of electrons in a metal [1] [2] [3] [4] … Wikipedia
