Density gradient is a spatial variation in density over a region. The term is used in the natural sciences to describe varying density of matter, but can...

Buoyant density centrifugation (also isopycnic centrifugation or equilibrium density-gradient centrifugation) uses the concept of buoyancy to separate...

fine grained purifications may be done on the basis of density through equilibrium density-gradient centrifugation. Thus, the differential centrifugation...

of specific electric field gradients in crystals. Despite recent improvements, there are still difficulties in using density functional theory to properly...

Some density-gradient work for purifying cells and organelles can be carried out in swinging-bucket rotors, or in the case of Percoll gradients in fixed-angle...

Potential gradient, the difference in electric charge between two adjoining regions Fluid dynamics and earth science Density gradient Pressure gradient Temperature...

resulting in the formation of very stable gradients. Therefore, both discontinuous and continuous Percoll density gradients can be prepared weeks in advance,...

(NCI) is a visualization index based in the Electron density (ρ) and the reduced density gradient (s). It is based on the empirical observation that Non-covalent...

A pycnocline is the cline or layer where the density gradient (⁠∂ρ/∂z⁠) is greatest within a body of water. An ocean current is generated by the forces...

Ultracentrifuge Gas centrifuge Theodor Svedberg Differential centrifugation Buoyant density ultracentrifugation Zippe-type centrifuge "Technical Manual, Spinco Ultracentrifuge...

gradient. At a density ratio of 1, temperature and salinity are said to be compensated: their density signatures cancel, leaving a density gradient of zero....

centrifuge and the supernatant are desired CNTs. Density gradient ultracentrifugation is a method based on the density difference of CNTs, so that different components...

pressure as a function of position. The gradient of pressure in hydrostatics is equal to the body force density (generalised Stevin's Law). In petroleum...

intermolecular interactions present in the NCI plot of the reduced density gradient versus electron density" (PDF). Physical Chemistry Chemical Physics. 19 (27): 17928–17936...

mechanics, the force density is the negative gradient of pressure. It has the physical dimensions of force per unit volume. Force density is a vector field...

space probes. According to the researchers, this implies that "the density gradient is a large-scale feature of the VLISM (very local interstellar medium)...

density gradient is high enough, so that an element moving upwards has its density lowered (due to adiabatic expansion) less than the drop in density...

Area density Bulk density Buoyancy Charge density Density current Density gradient Density prediction by the Girolami method Dord Energy density Lighter...

imaging (MRI) is a particular setting of pulse sequences and pulsed field gradients, resulting in a particular image appearance. A multiparametric MRI is...

Kurth, W.S.; Gurnett, D.A. (25 August 2020). "Observations of a Radial Density Gradient in the Very Local Interstellar Medium by Voyager 2". The Astrophysical...

be obtained. Density gradient centrifugation is also another method for selecting flakes based on lateral size, where a density gradient is employed in...

the sample in air, and also in a liquid of known density. A column of liquid with a density gradient can also be prepared: The column should contain a...

Geothermal gradient is the rate of change in temperature with respect to increasing depth in Earth's interior. As a general rule, the crust temperature...

45.566. S2CID 55620379. Oliver, G. L.; Perdew, J. P. (1979). "Spin-density gradient expansion for the kinetic energy". Phys. Rev. A. 20 (2): 397–403. Bibcode:1979PhRvA...

granular lymphocytes known today as NK cells. The demonstration that density gradient-isolated large granular lymphocytes were responsible for human NK activity...

introduced into the upper layers and mixed by wind which influences density gradients and deepwater ventilation. Global and regional differences in salinity...

of electricity power. The density gradient of industrialising cities has tended to follow a specific pattern: the density of the centre of the city would...

high speed buoyant density ultracentrifugation, a density gradient is created with caesium chloride in water. DNA will go to the density that reflects its...

results for a positive density gradient. (If the carriers are electrons, the hole density p is replaced by the electron density n with negative sign; in...

non-mechanical fashion. This theory described different aether densities, creating an aether density gradient. His theory also proposed that aether is rarified within...