Sentences with phrase «particle measuring systems»

Not exact matches

Various forces such as surface adhesion or electrostatic charge cause the particles to adhere to each other in systems with extremely small particles measuring only a few micrometres.

Some of these particles are pinged back in toward the inner solar system as fast - moving neutral atoms, which can be measured by Cassini.

Next, the silicon tracker charts the particle's path based on the electric current it leaves in its wake, while the time - of - flight system measures its velocity.

Both spacecraft continued to measure the properties of the outer solar system in the 1980s and 1990s, including the waning strength of the sun's wind of charged particles and the energies of cosmic rays from our galaxy.

Other instruments will measure water and different key chemical components, probe the inner workings of the powerful magnetic field, monitor charged particles driving the solar system's brightest auroras, and, of course, return some stunning close - up color images.

Entropy is a measure of this tendency, quantifying how dispersed the energy is among the particles in a system, and how diffuse those particles are throughout space.

Until a scientist measures the system, a particle exists in its multitude of locations.

«The Voyagers can't measure these seed particles, only the outcome,» says NASA scientist Eric Christian, who was not involved in the study but analyzes what is known as heliosphere, the area in the solar system dominated by solar wind.

Fine particles measure 2.5 microns or less in size (approximately 1 / 30th the diameter of a human hair) and can penetrate deep into the body's respiratory system.

Purpose The purpose of this study was to evaluate data generated by the ROBOCAT II (Alcat Test by Cell Science Systems), by comparison to another particle counter, the FACSCalibur (Becton - Dickinson), which in addition to particle size also measures 4 other parameters for each particle.

In RDE tests, exhaust gas emissions — NOx (nitrogen oxide), particles (fine dust) and other — are measured during an actual drive on the road using a Portable Emissions Measurement System (PEMS).

This system measures aerosol optical properties to better understand how particles interact with solar radiation and influence the Earth's radiation balance.