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The species–area relationship or species–area curve describes the relationship between the area of a habitat, or of part of a habitat, and the number of species found within that area. Larger areas tend to contain larger numbers of species, and empirically, the relative numbers seem to follow systematic mathematical relationships. [ 1 ]
So the area of the circle is the cross-section and its radius is the sum of the radii of the particles. N {\displaystyle N} is the number of molecules which electrons can hit. It can be calculated using the equation of state of the ideal gas
The distributions of a wide variety of physical, biological, and human-made phenomena approximately follow a power law over a wide range of magnitudes: these include the sizes of craters on the moon and of solar flares, [2] cloud sizes, [3] the foraging pattern of various species, [4] the sizes of activity patterns of neuronal populations, [5] the frequencies of words in most languages ...
Aggregate demand curve; Compensated demand curve; Duck curve; Engel curve; Hubbert curve; Indifference curve; J curve; Kuznets curve; Laffer curve; Lorenz curve; Phillips curve; Supply curve. Aggregate supply curve; Backward bending supply curve of labor
Kleiber's law, like many other biological allometric laws, is a consequence of the physics and/or geometry of circulatory systems in biology. [5] Max Kleiber first discovered the law when analyzing a large number of independent studies on respiration within individual species. [2]
In electrochemistry, the electrochemical potential of electrons (or any other species) is the total potential, including both the (internal, nonelectrical) chemical potential and the electric potential, and is by definition constant across a device in equilibrium, whereas the chemical potential of electrons is equal to the electrochemical ...
In recent years, [when?] thermal physics has applied the definition of chemical potential to systems in particle physics and its associated processes. For example, in a quark–gluon plasma or other QCD matter , at every point in space there is a chemical potential for photons , a chemical potential for electrons, a chemical potential for ...
the length of the organism, as the surface area of just the front 2/3 of the organism has an effect on the drag. The resistance to the motion of an approximately stream-lined solid through a fluid can be expressed by the formula: C fρ (total surface)V 2 /2, [19] where: V = velocity ρ = density of fluid C f = 1.33R − 1 (laminar flow) R ...