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An incomplete list of risk factors: Age: bone density peaks at age 35, and then decreases. Bone density loss occurs in both men and women Ethnicity: European...

to the decrease in the density of the heated fluid, which causes it to rise relative to denser unheated material. The reciprocal of the density of a substance...

decreasing. Hence the mass per unit volume of the gas (its density) decreases. The density of humid air may be calculated by treating it as a mixture...

temperature and a decrease in the atmospheric pressure, and, to a much lesser degree, an increase in the humidity, will cause an increase in the density altitude...

ovaries is correlated with a rapid reduction in bone mineral density, while in men, a decrease in testosterone levels has a comparable (but less pronounced)...

mass density estimate of 4×10−24 g/cm3 or 0.059 solar masses per cubic parsec. The density estimate varies across space, with the density decreasing rapidly...

craft decreases faster as the air density decreases with altitude than it increases from increasing velocity, ultimately reaching 0 when the air density becomes...

Relative density, also called specific gravity, is a dimensionless quantity defined as the ratio of the density (mass divided by volume) of a substance...

lighter gases increases with altitude. In general, air pressure and density decrease with altitude in the atmosphere. However, temperature has a more complicated...

high is a condition of low air density due to high ambient temperature and high airport elevation. Air density decreases with increasing temperature and...

Mach number increases, while the static pressure, temperature and density decrease. Since the process is isentropic, the stagnation properties (e.g. the...

have a nearly spherically symmetric distribution. Their population density decreases with increasing distance from the core. It has an active supermassive...

are abundant resources in the universe, while the high propellant density decreases the dry mass of the rocket. Maintaining the propellant in a frozen...

energy density decreases as ε ∝ a − 4 {\displaystyle \varepsilon \propto a^{-4}} . In an expanding universe, the energy density of radiation decreases more...

temperature 374 °C (705 °F). Under these conditions, the liquid water density decreases smoothly with no phase change, becoming indistinguishable from steam...

clearance mechanism. A 2011 study indicated that increased nasal hair density decreases the development of asthma in those who have allergic rhinitis, possibly...

or out, the density increases and the specific volume decreases. If the chamber expands without letting gas in or out, the density decreases and the specific...

Alternative options are discussed for energy storage to increase energy density and decrease charging time, such as supercapacitors. No single energy storage...

object has a central density less than 10 g/cm3. The density decrease balances the mass decrease, keeping the radius approximately constant. Substellar...

number of troops per population is also known as force density. The troop density has decreased through military history in proportion to the increase...