Atom model. Atoms are made up of three particles: protons, electrons, and neutrons. Electrons are the smallest and lightest of the the three particles and they have a negative charge. The protons are much heavier and larger than electrons.
A resonator is a device or system that exhibits resonance or resonant behavior, that is, it naturally oscillates at some frequencies, called its resonant frequencies, with greater amplitude than at others.esonators are used to either generate waves of specific frequencies or to select specific frequencies from a signal. Musical instruments use acoustic resonators that produce sound waves of specific tones.
The ventilator blows gas (air plus oxygen as needed) into. a personâs lungs. It can help a person by doing all of the. breathing or just assisting the patientâs breathing. The. ventilator can deliver higher levels of oxygen than. delivered by a mask or other devices. The ventilator can. provide a pressure (PEEP pressure) which helps hold the. lungs open so the air sacs donât collapse.