nuclear energy


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energy

 [en´er-je]
power that may be translated into motion, overcoming resistance or causing a physical change; the ability to do work. Energy assumes several forms; it may be thermal (in the form of heat), electrical, mechanical, chemical, radiant, or kinetic. In doing work, the energy is changed from one form to one or more other form(s). In these changes some of the energy is “lost” in the sense that it cannot be recaptured and used again. Usually there is loss in the form of heat, which escapes or is dissipated unused; all energy changes give off a certain amount of heat.ƒ

All activities of the body require energy, and all needs are met by the consumption of food containing energy in chemical form. The human diet comprises three main sources of energy: carbohydrates, proteins, and fats. Of these three, carbohydrates most readily provide the kind of energy needed to activate muscles. Proteins work to build and restore body tissues. The body transforms chemical energy derived from food by the process of metabolism, an activity that takes place in the individual cell. Molecules of the food substances providing energy pass through the cell wall. Inside the cell, chemical reactions occur that produce the new forms of energy and yield by-products such as water and waste materials; see also adenosine triphosphate.
free energy (Gibbs free energy (G)) the energy equal to the maximum amount of work that can be obtained from a process occurring under conditions of fixed temperature and pressure.
nuclear energy energy that can be liberated by changes in the nucleus of an atom (as by fission of a heavy nucleus or by fusion of light nuclei into heavier ones with accompanying loss of mass).

nu·cle·ar en·er·gy

energy given off in the course of a nuclear reaction or stored in the formation of an atomic nucleus.

nuclear energy

Energy released mainly as heat, light and ionizing radiation as a result of changes in the nuclei of atoms. Nuclear energy is released during the spontaneous decay (fission) of naturally occurring radioactive substances and during atomic fusion reactions, as in the sun. It is also released in such devices as nuclear reactors and nuclear weapons.
References in periodicals archive ?
The Nuclear Energy Innovation Capabilities Act was signed into law in 2018 by President Donald J.
The students visited and have been trained at some of Korea's leading science research centers and industrial parks, as well as the country's most advanced nuclear energy plants.
The nuclear energy could be used for benefits of civilians or to gain military power.
Commenting on the findings, Enec's chief executive officer, HE Mohamed Al Hammadi, said: "The results of this public opinion poll demonstrate Enec's adherence to its mission of being transparent to the UAE public, providing them with the most recent news and engaging with them in regards to the development of the peaceful nuclear energy industry."
Residents' perceptions of nuclear energy have also evolved, with positive understanding towards the sustainability of nuclear energy improving significantly.
For the Al Dhafra region, the poll revealed a significant increase in favourability of the UAE program, from 84 percent in 2017 to 94 percent in 2018.In addition,93 percent of Al Dhafra residents consider nuclear energy to be a safe, clean, reliable and efficient way for electricity production, up from 82 percent in 2017.
Prior to this period, ROSATOM signed an agreement with Rwandan government to build a nuclear energy center in the country.
The MoU will also contribute to the long-term relationship between the UAE and Spain as well as illustrate ENEC's commitment in engaging with the international nuclear energy industry to ensure that the highest standards of excellence are established in the continued development of the UAE Peaceful Nuclear Energy Program.
"Initiatives such as this clearly demonstrate how the UAE Peaceful Nuclear Energy Program is supporting the social and economic development of the nation," says Alia.
The decree envisages the development of a draft law "On the use of atomic energy for peaceful purposes" until the end of the year - the draft Concept for the development of nuclear energy in Uzbekistan for the period 2019-2029, until June 2019 - a portfolio of investment projects for the development of nuclear energy, until November 2019 - draft state program for the development of nuclear energy for the period 2019-2029.
"The Enec continues to maintain a strong commitment to transparency and public engagement to ensure widespread awareness and understanding about nuclear energy in the UAE," said Mohamed Al Hammadi, chief executive officer of the Enec.
Minister Kgathi pointed out that the Non-Proliferation of Nuclear Weapons Treaty made provisions for the development, research, production and use of nuclear energy for peaceful purposes.

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