Sentences with phrase «special chemical structure»

Not exact matches

The special treatment alters the chemical composition of the complex sandwich structure — thereby altering its electronic properties, as confirmed by various methods including detailed electron microscope investigations.

The secret, Fourkas explains, is building the 3 - D structures from a special chemical resin, similar to the composite fillings used by dentists, that hardens under low - energy laser light.

The increase in medical radiation exposure (from 0.53 mSv to 3.0 mSv) stemmed primarily from a rise in the use of computer tomography (CT) scans (which use x-rays to create cross sectional images of inside the body to spot tumors, clogged arteries, among other things), and nuclear imaging tests, which involve injecting radioactive chemicals into the bloodstream that can be picked up by special instruments and used to create images of the body's inner structures.