No work was ever carried out on active materials for nuclear weapons.

An attempt was made to analyze a fragment of the active material, without success.

Active materials respond to incoming light in a way that provides much more design freedom.

The active material will shrink no matter which direction the magnetic field is placed upon it.

Groves approved the test, subject to the active material being recovered.

"We were looking for active materials and we had them.

You heard the Cloud describe what could happen if radio- active materials penetrate its screen.

The active material of the negative plates is iron oxide.

Once the active material has fallen out of the plates, it cannot be restored into position by any chemical treatment.

"you can get around 95% of the theoretical energy density of the active materials."

It can be also used as active material in supercapacitor because has very high charge transfer capability.

There are biologically active materials present in cigarette tobacco.

The first necessity was naturally to obtain the best and purest compounds for active materials.

Here and there the glow was brighter where mineral deposits contained more highly active material.

We can openly ship and receive biologically active materials.

Over the next few years they worked off this discovery and succeeded to isolate the active material in the crystalline form.

"In the future, gains will be made with biologically active materials that induce new bone formation."

A plutonium bomb uses plutonium as the active material involved.

Conventional weapons could be used to widely disperse radio active materials ( dirty bomb ).

Optically active materials do not split light into two rays, or polarizations.

Lithium carbonate is an active material of carbon dioxide sensors.

DNA, or deoxyribonucleic acid, is the active material of genes.

You have no biologically active materials in your baggage or implanted on your person?

The active materials are held in nickel-plated steel tubes or perforated pockets.

The active material of the positive plates is a form of nickel hydrate.