They are in fact of a very similar chemical composition.

It has the same chemical composition, but with a different structure.

The chemical composition seems similar to oil, too, though not identical.

When you add in chemical composition changes things get even more complicated.

Their chemical composition is created to take in some color of light and reflect the rest.

Scientist record data about the chemical composition of air over time to watch for any changes.

There must be something unusual about this one, maybe its chemical composition.

The chemical composition has been analyzed and is known absolutely.

The results actually compared pretty well to the earlier estimate based on chemical composition.

The chemical composition of the ring particles is not known.

More importantly, they do not provide information about the chemical composition of the substance.

You can control the thickness and chemical composition very precisely.

I really do not know if commercial processes change the chemical composition of the milk fat.

The chemical composition at the surface, which is influenced by age, suggests the former.

Each drug will have a different residence time based on its chemical composition and technique of administration.

Table 1 shows an analysis of the chemical composition.

At this level, we are concerned with such things as mass, energy, velocity, and chemical composition.

Instead, the chemical composition of the sheath is most complex.

Chemical composition of the low atmosphere and the planetary surface.

The emissions from this are then analyzed for chemical composition.

The chemical composition of the white dwarf depends upon its mass.

He found that the chemical composition of stars was very much different than previously assumed.

I do not think the chemical composition of the fat itself is changed by hand-churning.

The chemical composition of the rock remains the same.

The process is reversible and does not affect the chemical composition.