POSITRONS

Англо-русский перевод POSITRONS

Позитрон

Britain English-Russian dictionary . Британский Англо-Русский словарь. 2012

POSITRON-EMISSION TOMOGRAPHY — noun Date: 1976 tomography in which a cross-sectional image of regional metabolism is obtained by a usually color-coded representation of …
Толковый словарь английского языка - Merriam Webster
POSITRON — mass as an electron but with an electric charge of +1 (an electron has a charge of -1). It constitutes …
Английский словарь Британика
BETA DECAY — Any of three processes of radioactive disintegration in which a beta particle is spontaneously emitted by an unstable atomic nucleus …
Английский словарь Британика
ANTIMATTER — Substance composed of elementary particles having the mass and electric charge of ordinary matter (such as electron s and proton …
Английский словарь Британика
POSITRON-EMISSION TOMOGRAPHY — ¦ ̷ ̷ ̷ ̷ ˌ ̷ ̷ ̷ ̷ ¦ ̷ ̷ ̷ ̷ - noun : tomography in which an in vivo, noninvasive, cross-sectional image of regional …
Webster's New International English Dictionary
ELECTRICITY — ə̇ˌlekˈtrisəd.]ē, ēˌl-, -s(ə)t]ē, ]i sometimes ˌēˌl- chiefly Brit ˌeˌlek- or ˌelik-\ noun ( -es ) Etymology: New Latin electric us …
Webster's New International English Dictionary
CASCADE SHOWER — noun : a cosmic-ray shower in which a high-energy electron produces one or more photons that convert into electrons and …
Webster's New International English Dictionary
ANTIMATTER — ˈ ̷ ̷(ˌ) ̷ ̷ at anti- I +ˌ ̷ ̷ ̷ ̷ noun ( -s ) Etymology: anti- (I) + matter : matter composed of the counterparts …
Webster's New International English Dictionary
QUANTUM ELECTRODYNAMICS — Physics. the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbr.: QED …
Random House Webster's Unabridged English Dictionary
ANTIMATTER — /an"tee mat'euhr, an"tuy-/ , n. Physics. matter composed only of antiparticles, esp. antiprotons, antineutrons, and positrons. [ 1950-55; ANTI- + …
Random House Webster's Unabridged English Dictionary
BETA RAY — stream of beta particles (electrons or positrons ejected from an atom's nucleus during radioactive decay)
Толковый словарь английского языка - Редакция bed
BETA PARTICLES — electrons or positrons ejected from an atom's nucleus during radioactive decay
Толковый словарь английского языка - Редакция bed
ANTI-MATTER — n. matter composed of counterparts of ordinary matter (i.e. antiprotons, positrons, antineutrons)
Толковый словарь английского языка - Редакция bed
POSITRON-EMISSION TOMOGRAPHY — Date: 1976 : tomography in which a cross-sectional image of regional metabolism is obtained by a usually color-coded representation of …
Merriam-Webster's Collegiate English vocabulary
POSITRON-EMISSION TOMOGRAPHY — [positron-emission tomography] n (1979): tomography in which a cross-sectional image of regional metabolism is obtained by a usu. color-coded cathode-ray …
Merriam-Webster English vocab
SUBATOMIC PARTICLE — also called elementary particle, any of various self-contained units of matter or energy. More than 200 subatomic particles have been …
Britannica English vocabulary
RELATIVISTIC MECHANICS — science concerned with the motion of bodies whose relative velocities approach the speed of light c, or whose kinetic energies …
Britannica English vocabulary
RADIATION INJURY — tissue damage or changes caused by exposure to ionizing radiationnamely, gamma rays, X rays, and such high-energy particles as neutrons, …
Britannica English vocabulary
QUANTUM ELECTRODYNAMICS — (QED), quantum theory of the interactions of charged particles with the electromagnetic field. It describes mathematically not only all interactions …
Britannica English vocabulary
POSITRON EMISSION TOMOGRAPHY — (PET) imaging technique used in diagnosis and biomedical research. It has proved particularly useful for studying brain and heart functions …
Britannica English vocabulary
POSITRON — also called positive electron, any positively charged subatomic particle having the same mass and magnitude of charge as the electron …
Britannica English vocabulary
NEUTRINO — type of fundamental particle with no electric charge, little or no mass, and one-half unit of spin. Neutrinos belong to …
Britannica English vocabulary
ELECTRON — lightest stable subatomic particle known. It carries a negative charge which is considered the basic charge of electricity. An electron …
Britannica English vocabulary
ELECTRIC CURRENT — any movement of electric charge carriers, such as subatomic charged particles (e.g., electrons having negative charge, protons having positive charge), …
Britannica English vocabulary
COLLIDING-BEAM STORAGE RING — also called Collider, type of particle accelerator (q.v.) that stores and then accelerates counterrotating beams of subatomic particles before bringing …
Britannica English vocabulary
BREMSSTRAHLUNG — (German: braking radiation), electromagnetic radiation produced by a sudden slowing down or deflection of charged particles (especially electrons) passing through …
Britannica English vocabulary
ANTIMATTER — substance composed of atoms made up of elementary particles that have the mass and charge of electrons, protons, or neutrons, …
Britannica English vocabulary
Z PARTICLE — electrically neutral carrier of the weak nuclear force that acts upon all known subatomic particles. It is the neutral partner …
Britannica English vocabulary
YEAR IN REVIEW 1997: MATHEMATICS-AND-PHYS-SCIENCES: ... — PHYSICS: The First Antiatoms It has been known for decades that each fundamental particle in nature has its antiparticle. The …
Britannica English vocabulary
YEAR IN REVIEW 1996: NOBEL-PRIZES — Prize for Chemistry The 1995 Nobel Prize for Chemistry was awarded to Paul Crutzen, a Dutch citizen with the Max …
Britannica English vocabulary
SLAC — acronym of the Stanford Linear Accelerator Center located in Stanford, California, U.S. An exemplar of post-World War II Big Science, …
Britannica English vocabulary

Британский Англо-Русский словарь

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