Sentence examples for powdery surface from inspiring English sources

The moonwalk lasted 2 hours and 19 minutes, long enough to let the astronauts test their footing in the fine and powdery surface — Mr. Armstrong noted that his boot print was less than an inch deep — and set up a television camera and scientific instruments and collect rock samples.

Finally, a minor contribution of PM to Fe enrichment of trachyte surfaces must be taken into account, however that is not the main source, as also confirmed by the absence of Fe compounds in the incoherent and powdery surface deposits of exogenous origin.

If the metal is exposed long enough to a limited amount of water vapor, a powdery surface coating of PuO2 is formed.

After 72 h, numerous whitish-orange, circular, convex, dry, with powdery surface colonies were observed in sheep blood agar and Sabouraud agar.

Cover the concrete floor with primer, if it is a powdery surface that cannot be cleaned.

"Or leaves with tiny hairs or powdery surfaces".

Which actually seems to suggest to me that Fritsch is doing her job: the stock-in-trade of the venerable Düsseldorf-based artist is what Tate curator Jessica Morgan has called the "unnerving, apparitional quality" of Fritsch's sculptures which, with their matt, powdery surfaces seem to have arrived from quite another world.

He presents a matte and muted world, as if the paint were placed very thinly on the cinematic canvas so that the dry, powdery, abrasive surfaces peeked through.

Some of these microorganisms also show pedogenetic actions, making the stone surface powdery and pave the path for succession of mosses and liverwort.

When first revealed, it has a powdery, bright red surface that weathers to orange or pale yellow as the powder wears away.

These give way to soils with accumulations of lime and ultimately to desert soils with soluble salt efflorescence (powdery crust) near the surface.