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41Piézoélectique — Piézoélectricité Illustration du comportement d’une pastille piézoélectrique : la contrainte appliquée crée un signal électrique. La piézoélectricité (du grec piézein presser, appuyer) est la propriété que possèdent certains corps de se… …
42Piézoélectricité — Illustration du comportement d’une pastille piézoélectrique : la contrainte appliquée crée un signal électrique. La piézoélectricité (du grec piézein presser, appuyer) est la propriété que possèdent certains corps de se polariser… …
43Piézoélectrique — Piézoélectricité Illustration du comportement d’une pastille piézoélectrique : la contrainte appliquée crée un signal électrique. La piézoélectricité (du grec piézein presser, appuyer) est la propriété que possèdent certains corps de se… …
44Classical electromagnetism — Electromagnetism Electricity · …
45Balanced flow — In atmospheric science, balanced flow is an idealisation of atmospheric motion. The idealisation consists in considering the behaviour of one isolated parcel of air having constant density, its motion on a horizontal plane subject to selected… …
46Dimensional analysis — In physics and all science, dimensional analysis is a tool to find or check relations among physical quantities by using their dimensions. The dimension of a physical quantity is the combination of the basic physical dimensions (usually mass,… …
47Rhythm — For other uses, see Rhythm (disambiguation). Rhythm, a sequence in time repeated, featured in dance: an early moving picture demonstrates the waltz …
48Circuit de Spa-Francorchamps — Coordinates: 50°26′14″N 5°58′17″E / 50.43722°N 5.97139°E / 50.43722; 5.97139 …
49Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …
50Urban search and rescue — also known as USAR, or Urban SAR [In the US due to legal issues involving potential confusion with the United States Army Reserve] involves the location, extrication, and initial medical stabilization of victims trapped in confined spaces.… …
