volumetric number density, two-dimensional areal number density, or one-dimensional linear number density. Population density is an example of areal number density...
7 KB (809 words) - 06:17, 22 April 2024
Density (volumetric mass density or specific mass) is a substance's mass per unit of volume. The symbol most often used for density is ρ (the lower case...
35 KB (3,299 words) - 23:04, 1 October 2024
particle number density (or particle number concentration PNC), a quantity of kind volumetric number density obtained by dividing the particle number of a...
4 KB (446 words) - 21:10, 23 July 2024
The area density (also known as areal density, surface density, superficial density, areic density, mass thickness, column density, or density thickness)...
9 KB (1,071 words) - 19:51, 4 September 2024
The density of air or atmospheric density, denoted ρ, is the mass per unit volume of Earth's atmosphere. Air density, like air pressure, decreases with...
17 KB (2,780 words) - 12:31, 4 October 2024
In materials science, bulk density, also called apparent density, is a material property defined as the mass of the many particles of the material divided...
7 KB (855 words) - 03:14, 8 July 2024
(dimension) and a pixel density (ppi). Since most digital hardware devices use dots or pixels, the size of the media (in inches) and the number of pixels (or dots)...
25 KB (2,889 words) - 13:07, 29 July 2024
Transistor count (redirect from Transistors density)
chip. The transistor density is the number of transistors that are fabricated per unit area, typically measured in terms of the number of transistors per...
229 KB (10,130 words) - 14:09, 28 September 2024
This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile. The list includes...
51 KB (971 words) - 20:39, 17 October 2024
In probability theory, a probability density function (PDF), density function, or density of an absolutely continuous random variable, is a function whose...
30 KB (4,937 words) - 15:39, 14 October 2024
is to clarify that the density is for electric charge, not other densities like mass density, number density, probability density, and prevent conflict...
25 KB (3,738 words) - 00:22, 24 September 2024
in low population densities are: Increased problems with locating sexual mates Increased inbreeding Population density is the number of people per unit...
15 KB (1,066 words) - 20:54, 17 October 2024
electromagnetism, current density is the amount of charge per unit time that flows through a unit area of a chosen cross section. The current density vector is defined...
23 KB (2,812 words) - 00:22, 24 September 2024
Particle density (particle count), number of particles per unit volume Area-specific quantity, the quotient of a physical quantity and area Current density, the...
4 KB (495 words) - 02:52, 16 October 2023
High-density polyethylene (HDPE) or polyethylene high-density (PEHD) is a thermoplastic polymer produced from the monomer ethylene. It is sometimes called...
15 KB (1,493 words) - 21:16, 29 August 2024
as the mass in grams per 10,000 meters Density Area density Columnar density Paper density Linear number density Patt, D.H. (1958). "Findings and Recommendations...
6 KB (897 words) - 03:28, 4 September 2024
Nuclear density is the density of the nucleus of an atom. For heavy nuclei, it is close to the nuclear saturation density n 0 = 0.15 ± 0.01 {\displaystyle...
4 KB (698 words) - 07:13, 13 January 2024
physiological density or real population density is the number of people per unit area of arable land. A higher physiological density suggests that the...
942 bytes (76 words) - 19:21, 25 January 2024
Absorbance (redirect from Optical density)
units), its shade number would be 8. Absorptance Tunable Diode Laser Absorption Spectroscopy (TDLAS) Densitometry Neutral density filter Mathematical...
21 KB (2,915 words) - 06:11, 5 July 2024
Bone density, or bone mineral density, is the amount of bone mineral in bone tissue. The concept is of mass of mineral per volume of bone (relating to...
18 KB (1,936 words) - 16:33, 20 July 2024
is finite, one may compute the energy spectral density. More commonly used is the power spectral density (PSD, or simply power spectrum), which applies...
36 KB (5,666 words) - 05:12, 24 September 2024
have uniform number densities, but the upper region has a higher number density than the lower region. In the steady state, the number density at any point...
52 KB (7,869 words) - 08:54, 16 October 2024
the city limits of the city. The population density of the cities listed is based on the average number of people living per square kilometer or per...
31 KB (1,234 words) - 15:47, 10 October 2024
average number of particles in unit volume or unit area Number density This disambiguation page lists articles associated with the title Particle density. If...
272 bytes (65 words) - 18:18, 18 September 2016
In number theory, natural density, also referred to as asymptotic density or arithmetic density, is one method to measure how "large" a subset of the set...
11 KB (1,757 words) - 00:54, 29 August 2024
Avogadro constant (redirect from Avogadro's Number)
estimating the number of particles in a given volume of gas. This value, the number density n0 of particles in an ideal gas, is now called the Loschmidt constant...
20 KB (2,232 words) - 18:43, 14 October 2024
by a factor of 400 to 1;: 5 the number density of photons in the CMB is one billion times (109) the number density of matter in the universe. Without...
108 KB (13,172 words) - 18:52, 18 September 2024
Fermi gas (section Density of states)
in a Fermi gas in thermal equilibrium, and is characterized by their number density, temperature, and the set of available energy states. The model is named...
33 KB (5,618 words) - 02:29, 20 June 2024
District of Columbia by population density, population size, and land area. It also includes a sortable table of density by states, territories, divisions...
10 KB (471 words) - 03:13, 22 August 2024
molecular weights are divided by this number to derive their vapour density. For example, acetone has a vapour density of 2 in relation to air. That means...
3 KB (398 words) - 08:55, 10 August 2024