conservation of energy

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con·ser·va·tion of en·er·gy

the principle that the total amount of energy in a closed system remains always the same, none being lost or created in any chemical or physical process or in the conversion of one kind of energy into another, within that system.
Farlex Partner Medical Dictionary © Farlex 2012

conservation of energy

The principle according to which energy cannot be created or destroyed, but is transformed into other forms.
See also: energy
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
A perfect power combiner is impossible for incoherent waves of the same frequency, same polarization, and same mode, as it is against the law of conservation of energy.
To distinguish the quantities calculated by different methods, we denote the value given by the law of gravity and Newton's second law as [v.sup.2.sub.p], while [v'.sup.2.sub.p] denotes the value given by the law of conservation of energy.
For other contents of the second stage (such as Ozawa inequality cannot consider law of conservation of energy), we will also discuss them below.
Tools required to help students build useful conceptions of energy need to represent the various forms of energy involved in an event while making the application of the law of conservation of energy obvious (Energy, 2006; Hewitt, 2005).
It is the direction whose development was initiated by the discovery of the law of conservation of energy. Because of the unity of the forces of nature this law describes these as manifestations of a system of kinetic phenomena only.
The law of conservation of energy is also known as the first law of thermodynamics and it is usually viewed as the most basic of all the laws of nature.
Similarly, the Neutrosophic Probability for other laws of conservation should be determined by law of conservation of energy or experiment (currently for most cases the Neutrosophic Probability can only be determined by experiment, like the experiment of Chien-Shiung Wu et al in 1957).
The law of conservation of energy states that energy can't be created or destroyed.
The prerequisite of law of conservation of energy is the existance of a closed system, but the strictly closed system does not exist, there are only approximately closed systems.
They sometimes emerged with very little energy, in fact, and some physicists, in despair, felt that the law of conservation of energy simply didn't hold in connection with beta-particle emission.
(According to the law of conservation of energy, he reminds me, energy can't be created or destroyed.
Therefore, this paper expands Newton Mechanics with Neutrosophy and Quad-stage Method and creates New Newton Mechanics (NNW) taking law of conservation of energy as unique source law.

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