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- ...l using the "known" density of another material. Mathematically, relative density is expressed as: where <math>G</math> is the relative density, and <math>\rho</math> is the densities of the two materials in the same un ...16 KB (2,639 words) - 06:29, 27 May 2019
- 3 KB (553 words) - 05:38, 7 June 2024
- ...th> and the other in <math> v_2(\vec r)</math>, have the same ground-state density <math> n(\vec r)</math> then necessarily <math> v_1(\vec r)-v_2(\vec r) = c ...defined as <math> F[n]=T[n]+U[n] </math> is a universal functional of the density (not depending explicitly on the external potential). ...1 KB (181 words) - 12:10, 21 December 2019
- ...do-potential should be adjusted such that they describe the valence charge density accurately. Based on that idea, modern pseudo-potentials are obtained inver ...2 KB (354 words) - 08:55, 21 July 2014
- ==Density of States== ...s per volume in the shell taken in the integration, in other words, the '''density''' of states. ...1 KB (200 words) - 21:10, 23 July 2009
- <big>'''Bone Mineral Density'''</big> * Various metabolic conditions that put one at risk for low bone density: ...12 KB (1,943 words) - 17:35, 28 March 2021
- ...lume in m<sup>3</sup>. Once again, using the formula, it can be found that density has the units kgˑm<sup>−3</sup>, since it is a fraction of kg over m<sup>3< == Experiment to measure density == ...2 KB (329 words) - 00:20, 3 November 2019
- ...lsattar |title=SiGe superlattice nanocrystal infrared and Raman spectra: A density functional theory study |journal=[[w:Journal of Applied Physics|J. Appl. Ph An alternative to Hartree–Fock calculations used in some cases is [[w:density functional theory]], which treats both exchange and correlation energies, a ...39 KB (5,879 words) - 22:27, 16 August 2017
- == Probability Density Function of a Continuous Random Variable == == Joint Probability Density Functions == ...3 KB (448 words) - 00:54, 15 June 2017
- ...he next session will introduce this new approach, DBSCAN, which stands for density-based algorithm for discovering clusters in large spatial databases with no == DBSCAN: Density Based Spatial Clustering of Applications with Noise == ...21 KB (3,098 words) - 18:11, 22 November 2023
- ...echanics]] (18th century). The first three examples below are taken from [[density functional theory]] (20th century), the fourth from [[statistical mechanics ...cting uniform [[free electron model|electron gas]] in a first attempt of [[density-functional theory]] of electronic structure: ...31 KB (4,762 words) - 09:50, 19 January 2023
- The probability density function, <math>f_{X}(x)\,</math>, represents the distribution of the rando [[Image:Exponential distribution pdf.png|325px|Probability density function]] ...898 bytes (148 words) - 00:38, 2 November 2010
Page text matches
- ...lume in m<sup>3</sup>. Once again, using the formula, it can be found that density has the units kgˑm<sup>−3</sup>, since it is a fraction of kg over m<sup>3< == Experiment to measure density == ...2 KB (329 words) - 00:20, 3 November 2019
- ...th> and the other in <math> v_2(\vec r)</math>, have the same ground-state density <math> n(\vec r)</math> then necessarily <math> v_1(\vec r)-v_2(\vec r) = c ...defined as <math> F[n]=T[n]+U[n] </math> is a universal functional of the density (not depending explicitly on the external potential). ...1 KB (181 words) - 12:10, 21 December 2019
- ==Density and the Dirichlet Theorem== ===Density=== ...885 bytes (108 words) - 00:54, 31 July 2017
- # How is speed calculated from a flow v. density diagram? # Is it possible to increase the density of the queue and still have the shockwave going downstream? What would be ...2 KB (283 words) - 00:02, 9 September 2017
- == Probability Density Function of a Continuous Random Variable == == Joint Probability Density Functions == ...3 KB (448 words) - 00:54, 15 June 2017
- ==Density of States== ...s per volume in the shell taken in the integration, in other words, the '''density''' of states. ...1 KB (200 words) - 21:10, 23 July 2009
- ...nable a density-dependent flow and transport solution. In this case, fluid density is directly calculated from individual species concentrations and temperatu ...ry time-consuming because fluid density is calculated by iterating between density and molality. The default is a faster and non-iterative empirical approach. ...2 KB (240 words) - 02:28, 28 November 2014
- == Probability Density Function == The '''probability density function''', or '''pdf''' of a random variable is the function defined by: ...1 KB (253 words) - 01:20, 15 June 2017
- ==== Definition: Minimal MHD density equation ==== <i>Minimal MHD density equation</i> is equation <br> ...1 KB (169 words) - 22:14, 21 July 2012
- ...or 10 km. No one dares pass. After the police cruiser joins, the platoon density increases to 20 veh/km/lane and flow drops. How many vehicles (per lane) w ...676 bytes (112 words) - 00:27, 9 September 2017
- ...f) swing it around in air and then try to swing it around under water. The density of the water is much So we know that density, area and speed all play a role in the drag force.The expression we use for ...1 KB (211 words) - 02:26, 15 June 2017
- The probability density function, <math>f_{X}(x)\,</math>, represents the distribution of the rando [[Image:Exponential distribution pdf.png|325px|Probability density function]] ...898 bytes (148 words) - 00:38, 2 November 2010
- We can use Ohm's law to relate the average current density to the electric field, by using a constant quantity of the conductor, known where '''j''' is the current density (current per unit area), σ is the conductivity and '''E''' is the electric ...797 bytes (119 words) - 14:59, 15 September 2017
- ...ound waves propagate in a medium, they cause fluctuations in the pressure, density, temperature and particle velocity in the medium. The total pressure, <math ...pressure represents fluctuations around the mean pressure. Similarly, the density, temperature, and particle velocity are separated into mean and fluctuating ...5 KB (791 words) - 21:46, 15 February 2020
- ...d''' is equal to the square root of '''tension''' divided by the '''linear density''' of the string. '''Linear density''' of the string is equal to the '''mass''' divided by the '''length''' of ...2 KB (364 words) - 15:08, 19 May 2022
- Density is defined as mass divided by volume ...303 bytes (47 words) - 14:34, 7 August 2009
- # Magnetic flux density == Magnetic flux density == ...3 KB (407 words) - 01:21, 31 July 2017
- === Density === ...h> (rho) is defined as the mass of the fluid over an infinitesimal volume. Density is expressed in the British Gravitational (BG) system as slugs/ft<sup>3</su ...5 KB (844 words) - 16:29, 18 September 2018
- == Power Density Spectrum == We can define the power density spectrum of the continuous-time frequency output of the DTFT as follows: ...3 KB (444 words) - 16:58, 8 May 2018
- :'''j''': Electric current density :σ: Charge density ...1 KB (170 words) - 17:42, 5 July 2011