electron-volt

electron-volt,

abbr. eV, unit of energy used in atomic and nuclear physics; 1 electron-volt is the energy transferred in moving a unit chargecharge,
property of matter that gives rise to all electrical phenomena (see electricity). The basic unit of charge, usually denoted by e, is that on the proton or the electron; that on the proton is designated as positive (+e
..... Click the link for more information. , positive or negative and equal to that charge on the electron, through a potentialpotential, electric,
work per unit of electric charge expended in moving a charged body from a reference point to any given point in an electric field (see electrostatics).
..... Click the link for more information. difference of 1 volt. The maximum energy of a particle acceleratorparticle accelerator,
apparatus used in nuclear physics to produce beams of energetic charged particles and to direct them against various targets. Such machines, popularly called atom smashers, are needed to observe objects as small as the atomic nucleus in studies of its
..... Click the link for more information. is usually expressed in multiples of the electron-volt, such as million electron-volts (MeV) or billion electron-volts (GeV). Because mass is a form of energy (see relativityrelativity,
physical theory, introduced by Albert Einstein, that discards the concept of absolute motion and instead treats only relative motion between two systems or frames of reference.
..... Click the link for more information. ), the masses of elementary particleselementary particles,
the most basic physical constituents of the universe. Basic Constituents of Matter

Molecules are built up from the atom, which is the basic unit of any chemical element. The atom in turn is made from the proton, neutron, and electron.
..... Click the link for more information. are sometimes expressed in electron-volts; e.g., the mass of the electron, the lightest particle with measurable rest mass, is 0.51 MeV/c², where c is the speed of light.

单词	electron-volt
释义	electron-volt elec′tron-volt` or elec′tron volt`, n. a unit of energy, equal to the energy acquired by an electron accelerating through a potential difference of one volt and equivalent to 1.602 x 10⁻¹⁹ joules. Abbr.: eV, ev electron-volt electron-volt, abbr. eV, unit of energy used in atomic and nuclear physics; 1 electron-volt is the energy transferred in moving a unit chargecharge, property of matter that gives rise to all electrical phenomena (see electricity). The basic unit of charge, usually denoted by e, is that on the proton or the electron; that on the proton is designated as positive (+e ..... Click the link for more information. , positive or negative and equal to that charge on the electron, through a potentialpotential, electric, work per unit of electric charge expended in moving a charged body from a reference point to any given point in an electric field (see electrostatics). ..... Click the link for more information. difference of 1 volt. The maximum energy of a particle acceleratorparticle accelerator, apparatus used in nuclear physics to produce beams of energetic charged particles and to direct them against various targets. Such machines, popularly called atom smashers, are needed to observe objects as small as the atomic nucleus in studies of its ..... Click the link for more information. is usually expressed in multiples of the electron-volt, such as million electron-volts (MeV) or billion electron-volts (GeV). Because mass is a form of energy (see relativityrelativity, physical theory, introduced by Albert Einstein, that discards the concept of absolute motion and instead treats only relative motion between two systems or frames of reference. ..... Click the link for more information. ), the masses of elementary particleselementary particles, the most basic physical constituents of the universe. Basic Constituents of Matter Molecules are built up from the atom, which is the basic unit of any chemical element. The atom in turn is made from the proton, neutron, and electron. ..... Click the link for more information. are sometimes expressed in electron-volts; e.g., the mass of the electron, the lightest particle with measurable rest mass, is 0.51 MeV/c², where c is the speed of light. electron-volt e·lec·tron-volt (eV, ev), (ē-lek'tron-vōlt), The energy imparted to an electron by a potential of 1 V; equal to 1.60218 × 10^-12 erg in the CGS system, or 1.60218 × 10^-19 J in the SI system. e·lec·tron-volt (EV, ev) (ĕ-lek'tron vōlt) The energy imparted to an electron by a potential of 1 volt; equal to 1.60218 × 10^-12 erg in the CGS system, or 1.60218 × 10^-19 joule in the SI system.
随便看	mumbledy peg mumblement mumble mode mumblenews mumbler mumblers mumbles mumble-the-peg mumblety-peg mumbletypeg mumbling mumblingly mumbly mumbo mumbo jumbo mumbo-jumbo mumbo jumbos mumbo-jumbos mumc mum-chance mumchance mumd mume mu meson mu-meson

electron-volt

elec′tron-volt`

or elec′tron volt`,

electron-volt

electron-volt,

electron-volt

e·lec·tron-volt (eV, ev),

e·lec·tron-volt