Sentence examples for black substances from inspiring English sources

Black substances absorb all light equally and completely; white compounds absorb no light in the visible spectrum.

In the case of the limited set of Venetian inscriptions, it was found that two types of black substances were used in the engraved black figures, carbon black or manganese black, the latter possibly mixed with a copper pigment.

Actually, the middle sections of most central pipes (if not all) are empty due to thermal expansion and contraction, and sometimes the central pipes at the tips are also empty by TEM observations (we have not observed the whole central pipes filled by the black substances), i.e., the Ni-containing substances in the central pipes are disconnected.

Fishermen report fish with lesions and shrimp coated with black substances that no one has seen before.

The "unnamed black substance" is exactly that, unidentified.

The substantia nigra ("black substance") is a region deep in the brain that produces the neurotransmitter dopamine.

Before gulping a thick, black substance from a glass jar, he spits into it — his saliva taking ages to trail off.

For that alone I would go back and revel like Polish royalty in the warmth and richness of that glossy black substance.

About the same time that the black substance appeared in the fuel storage tanks, mechanics began noticing problems with the agency's new hybrid buses.

It kills within days, causing a hemorrhagic fever that makes victims bleed from the mouth and nose and vomit a black substance that resembles coffee grounds but consists largely of dried blood.

It shows a gloopy black substance slowly enveloping polar bears, owls, small children and even Santa Claus to the soundtrack of a downbeat cover version of the relentlessly upbeat song Everything is Awesome, from Warner Bros' hugely successful film.