Sentence examples for darkened surface from inspiring English sources

Yellow topsoil may have humic darkened surface and has very weak or apedal structure and very friable dry consistence.

Mildew or mold, darkened surfaces, or even puddles of water may occur below leaks.

Some of the physics is quite basic: it had never occurred to me that the reason many foods go from uncooked to burned at such speed is that light-colored foods reflect heat better than dark: "As browning reactions begin, the darkening surface rapidly soaks up more and more of the heat rays.

He noted how some of the paint had oxidized and darkened the surface, and pointed out several cracks showing in the seams where it had been badly relined.

But a deteriorating layer of yellowing varnish had darkened its surface, obscuring many details and masking the vibrancy of the original colors — a situation significantly reversed by a program of restoration by Muriel Vervat.

Increasing industrial pollution had both darkened the surfaces of trees and rocks and had also killed the lichen cover of the forests downwind of pollution sources.

Higher-speed asteroids could also have collided with Vesta's surface and melted the volcanic basaltic crust, darkening existing surface material.

When a sensor detects the presence of bright light, the charge darkens the surface of the mirror.

Soot has a pivotal extra effect, too: it settles on glaciers and other areas of ice, darkening their surface and increasing the rate at which they melt.

It was also being deposited on snow, darkening its surface and reducing the snow's ability to reflect sunlight back into space.

But Box said scientists are now beginning to identify another important cause for melting: smoke and soot particles, darkening the surface of the Greenland ice sheet.