Pressure Pascal

The atmospheric transmissivity, t, greatly affects the radiation transmission by absorption and scattering by the separating atmosphere. Absorption may be as high as 20-40%. Pietersen and Huerta (1985) give a correlation that accounts for humidity (equation 9.1-31), where t = atmospheric transmissivity, = water partial pressure (Pascals), X = distance from flame surface to target (m). 

TABLE 10.7 Vapor Pressures (Pascals)" as a Function of Temperature between 283.15 and 323.15 K for Several Polycyclic Aromatic Hydrocarbonsb... 

SI base units include the meter (m), kilogram (kg), second (s), ampere (A), kelvin (K), and mole (mol). Derived quantities such as force (newton, N), pressure (pascal. Pa), and energy (joule, J) can be expressed in terms of base units. In calculations, units should be carried along with the numbers. Prefixes such as kilo- and milli- are used to denote multiples of units. Common expressions of concentration are molarity (moles of solute per liter of solution), molality (moles of solute per kilogram of solvent), formal concentration... 

Tait parameter for the polymer, pascals 0.0894, a universal constant for polymers pressure, pascals temperature, kelvins... 

Avagadro s number, molecules per kilomole. number of holes in the lattice, number of molecules of component i. surface area parameter for the lattice, pressure, pascals, reduced pressure, characteristic pressure, pascals, surface area parameter of component i. group area parameter for group k. partition function. 

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