Professor Keyak says the measurement is much greater than monthly reductions in bone mineral density of point four percent and one point eight percent.

VOA: special.2009.03.10

And when we take the wave function and square it, that's going to be equal to the probability density of finding an electron at some point in your atom.

当我们把波函数平方时，就等于在某处,找到一个电子的概率密度。

麻省理工公开课 - 化学原理课程节选

So, again we can use these probability density plots, which are just a plot of psi squared, where the density of the dots is proportional to the density, the probability density, at that point.

同样的我们可以利用这些概率密度图，这是psi的平方的图，这里面点的密度，正比于概率密度。

麻省理工公开课 - 化学原理课程节选

Proponents point to the enormous energy density of the fuel (the amount of energy contained per unit).

FORBES: The Future of Nuclear Power in the United States

At this point, passage and enactment of Breast Density Inform Legislation is far and away the best path to making this happen.

FORBES: Beware Overreaching Government Efforts to Detect Breast Cancer

While proponents of deregulation point to lower fares between high density hubs, these bargains are subsidised by exorbitantly high fares for flights between the thousands of smaller cities across the country.

ECONOMIST: Letters