Sentences with phrase «micrometres across»

Although traffic actually increased in the first week of the ban, the levels of PM2.5 — particulate matter measuring less than 2.5 micrometres across — fell by roughly 10 %.

It senses the weak van der Waals forces between the tip of a cylindrical silicon probe — just 0.1 micrometres across — and atoms on the surface of the chip.

Careful analysis of the polarisation results revealed these grains of dust to be comparatively large particles, 0.5 micrometres across, which may seem small, but grains of this size are about 50 times larger than the dust normally found in interstellar space.

Betzig's group has made 400 dots in a grid 2.3 micrometres across, corresponding to 7 billion bits per square centimetre.

Opening and closing a lid on the beaker generated pulses of CO2 that changed the growth rate and made the stems spread into iris - like blossoms, each just 25 micrometres across.

The system passes the wet algae into a settling tank, filters them, dehydrates them in a dryer and mills them into fine particles less than 50 micrometres across.

SAM has been processing scoops of fine sand, with grains less than 150 micrometres across.

But later analysis showed that these signals were caused by spheres of ice between 18 and 80 micrometres across.

The SECM uses a flat - faced probe a few micrometres across, which forms one electrode in an electrochemical cell.

Inside these specks, which measured just 5 to 25 micrometres across, they found trapped pockets of water (PNAS, DOI: 10.1073 / pnas.1320115111).

It is enough, for instance, that the stimulus that provides the sensation of touch is moved some ten micrometres across the skin in order for the neural patterns to be completely different,» says Henrik Jörntell.

The new experiment uses a silicon bar about 12 micrometres long and less than a micrometre across.

Individual axons are microscopic in diameter - typically about one micrometre across - but may extend to macroscopic lengths.

Each hair is about 200 micrometre across, full of pores 15 to 20 micrometres wide.

Instead of being a dot of dye or light, a nanopixel is made of a hole less than a micrometre across in a thin sheet of aluminium.

Not exact matches

Each lith is only about 2.5 micrometres (millionths of a metre) across but when the algae bloom en masse the effects can be seen from space.