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Number of Results: 93 Search : equation

radiative transfer equation hamugeš-e tarâvaž-e tâbeš Fr.: équation de transfer radiatif, ~ ~ de rayonnement The equation that describes the → x is the coordinate along the → optical path,
μ_{σ} is the → extinction coefficient, ρ
is the mass → density, and j_{σ}
is the → emission coefficient per unit mass. |

regression equation hamugeš-e vâyâzeš Fr.: équation de régression A mathematical expression that describes the relationship between two or more variables. It indicates the nature of the relationship and, in particular, the extent to which one can predict some variables by knowing others. → |

Saha equation hamugeš-e Saha Fr.: équation de Saha An equation that gives the number of atoms of a given species in various stages of
→ Named after the Indian astrophysicist Megh Nad Saha (1894-1956), who first derived
the equation in 1920; → |

Schrödinger equation hamugeš-e Schrödinger Fr.: équation de Schrödinger A fundamental equation of physics in → Named after Erwin Schrödinger (1887-1961), the Austrian theoretical physicist,
Nobel Prize 1933, who first developed the version of quantum mechanics known
as → |

Schrodinger equation hamugeš-e Schrödinger Fr.: équation de Schrödinger A fundamental equation of physics in → Named after Erwin Schrödinger (1887-1961), the Austrian theoretical physicist,
Nobel Prize 1933, who first developed the version of quantum mechanics known
as → |

Sellmeier's equation hamugeš-e Sellmeier Fr.: équation de Sellmeier An empirical relation between the → ^{2}/(λ^{2}
- λ_{i}^{2})),
where n is the refractive index at wavelength λ, and
A and λ_{i}_{i} are constants.Named after Wolfgang Sellmeier who derived the equation in 1871;
→ |

solar equation hamugeš-e xoršidi Fr.: équation solaire In ancient astronomy, the difference between the Sun's mean and actual position. The ancients observed that, although the motion of the Sun in the ecliptic is almost uniform, it is subject to a small annual variation. |

stellar structure equation hamugeš-e sâxtâr-e setâré Fr.: équation de structure stellaire A set of → |

Taylor-Goldstein equation hamugeš-e Taylor-Goldstein Fr.: équation de Taylor-Goldstein
Named after G. I. Taylor ( |

van der Waals equation hamugeš-e van der Waals Fr.: équation de van der Waals An → P, V, and T are
pressure, volume, and temperature and R the gas constant. a and b
are characteristic constants for a given substance. For a = b = 0, the van
der Waals equation reduces to the characteristic equation of an
→ ideal gas. See also
→ Dieterici equation.Named after Dutch physicist Johannes Diderik van der Waals (1837-1923),
Nobel Prize in Physics 1910; → |

virial equation of state hamugeš-e hâlat-e viriyal Fr.: équation d'état du viriel In thermodynamics, a generalized → → |

wave equation hamugeš-e mowj Fr.: équation d'onde The partial differential equation
U as
waves with velocity c. |

Wheeler-DeWitt equation hamugeš-e Wheeler-DeWitt Fr.: équation de Wheeler-DeWitt In → Named after American theoretical physicists John Archibald Wheeler (1911-2008) and Bryce Seligman DeWitt (1923-2004). |