"You have to provide a certain amount of substance, which takes some ingenuity," he said.

This measurement varies directly with the amount of substance that is present in the system.

The enthalpy changes also depend on the amount of substances involved in the process.

The total amount of substance in the body after the loss is then estimated:

"The soul has a very small amount of substance.

Amount of substance is sometimes referred to as 'chemical amount'.

Doubling the amount of substance in a body doubles its heat capacity, etc.

This checks the amount of substances in the urine.

The primary goal of instrument analysis is to measure an amount of substance.

The amount of substance is a physical quantity.

Concentration is the amount of substance per unit volume of solution.

Their poignancy lends the froth just the right amount of substance.

The trick in knowing one's relative is by the amount of substance produced upon antennation.

The amount of color indicates the amount of substance present.

Coulometers can be devices that are used to determine an amount of substance by measuring the charges.

Base units are the simple measurements for time, length, mass, temperature, amount of substance, electric current and light intensity.

The SI unit for amount of substance is the mole.

Mass, m, denoted something like an amount of substance or quantity of matter.

In other words, it is the amount of substance that is being changed in an equilibrium reaction.

"Amount of substance" can be the mass, volume or moles of the initial sample.

It measures the highest amount of substance mixed into a liquid solvent while they are both at equal amounts.

A minimum amount of substances cross by transcytosis.

It is defined as the mass of a given substance divided by its amount of substance.

At the end of his research, he had lowered the minimal amount of substance necessary for the analysis process by a factor of 50.

There is a small amount of substance in a soul, and on a world as small as Ptero, that becomes significant.