density

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density

In zoning, the number of things allowed per unit of land, such as number of houses, occupants,or families per acre.

References in periodicals archive ?
Pressure uncertainties are the most significant contributors, through the tank volume determinations as well as through the final gas density measurement.
The researchers said current models also fail to account for changes in a protoplanetary disk's gas density based upon its height.
The search is full in swing after gas density in the pit has declined, and rescuers are expected to reach the trapped miners this afternoon, said Yin Zhihua, vice mayor of Liupanshui, in a brief.
Colors indicate old stars (red), young stars (white and bright blue) and the distribution of gas density (pale blue); the view is 300,000 light-years across.
is the gas density, dV is the volume element and DT/D represents the temperature substantial derivative depending on time.
Various studies have been performed during the last 40 years investigating the relationships between gas density and airflow in a selection of obstructive disorders.
On entering the surrounding cooler air of the atmosphere, the hot gas begins to cool as it rises, which progressively reduces the gas volume, with a proportional increase in the gas density.
Gas density plays a key role because it mediates star formation's tug of war between gravity's pull and gas pressure's push.
Their results were correlated in terms of an effective gas density based only on the particles actually carried out of the column.