Yer çekimi herhangi iki kütle, herhangi iki organ ya da herhangi iki parçacık arasında olan bir çekim kuvvetidir. - Gravity is a force of attraction that exists between any two masses, any two bodies, or any two particles.
Pozitron bir elektrona benzeyen küçük bir parçacıktır fakat pozitif elektrik yüklüdür. - A positron is a small particle similar to an electron, but with a positive electric charge.
Tom aylardır klavyesini temizlememişti, ve o tozla, gıda parçalarıyla ve Allah bilir başka neyle dolmuştu. - Tom hadn't cleaned his keyboard for months, and it was clogged with dust, food particles, and God knows what else.
Higgs bozonu, Tanrı parçacığı olarak adlandırıldı. - The Higgs boson has been called the God particle.
Ben saydam bir göz küresi olurum; ben hiçbir şeyim; Ben her şeyi görürüm; Evrensel varlığın akımları beni dolaşır; Ben Allah'ın parçası ya da parçacığıyım. - I become a transparent eyeball; I am nothing; I see all; the currents of the Universal Being circulate through me; I am part or particle of God.
Bazı bilim adamları yer çekiminin ışık hızıyla seyahat eden graviton denilen parçacıklardan yapıldığını düşünüyor. - Some scientists think that gravity is made up of particles called gravitons which travel at the speed of light.
Her tür atomun içinde protonlar, nötronlar ve elektronlar denilen belirli benzersiz parçacıkları vardır. - Each kind of atom has a certain unique number of particles called protons, neutrons, and electrons in it.
In physics, a particle is a piece of matter smaller than an atom, for example an electron or a proton
In grammar, a particle is a preposition such as `into' or an adverb such as `out' which can combine with a verb to form a phrasal verb. Higgs particle particle accelerator particle physics subatomic particle elementary particle W particle wave particle duality Z particle
Particle image velocimetry (PIV) is an optical method used to measure velocities and related properties in fluids. The fluid is seeded with particles which, for the purposes of PIV, are generally assumed to faithfully follow the flow dynamics. It is the motion of these seeding particles that is used to calculate velocity information
(Bilgisayar) Particle swarm optimization (PSO) is a stochastic, population-based computer problem-solving algorithm; it is a kind of swarm intelligence that is based on social-psychological principles and provides insights into social behavior, as well as contributing to engineering applications
A particle accelerator is a machine used for research in nuclear physics which can make particles that are smaller than atoms move very fast. A device, such as a cyclotron or linear accelerator, that accelerates charged subatomic particles or nuclei to high energies. Also called atom smasher. a machine used in scientific studies which makes the very small pieces of matter that atoms are made of move at high speeds. Device that accelerates a beam of fast-moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic particles and their fundamental interactions. At speeds close to that of light, particles collide with and disrupt atomic nuclei and subatomic particles, allowing physicists to study nuclear components and to make new kinds of subatomic particles. The cyclotron accelerates positively charged particles, while the betatron accelerates negatively charged electrons. Synchrotrons and linear accelerators are used either with positively charged particles or electrons. Accelerators are also used for radioisotope production, cancer therapy, biological sterilization, and one form of radiocarbon dating
A scientifically engineered wood that is extremely sound in structural integrity and consistent surface smoothness to allow the application of laminated materials The Alectra cabinetry line from Dura Supreme uses the furniture grade level of this engineered wood material for the cabinetry end panels, tops, bottoms and backs of every cabinet High-Pressure laminate and wood veneer materials are frequently applied to this material back to list
Particle physics is the study of the qualities of atoms and molecules and the way they behave and react. The branch of physics that deals with subatomic particles. the study of the way that parts of atoms develop and behave. or high-energy physics Study of the fundamental subatomic particles, including both matter (and antimatter) and the carrier particles of the fundamental interactions as described by quantum field theory. Particle physics is concerned with structure and forces at this level of existence and below. Fundamental particles possess properties such as electric charge, spin, mass, magnetism, and other complex characteristics, but are regarded as pointlike. All theories in particle physics involve quantum mechanics, in which symmetry is of primary importance. See also electroweak theory, lepton, meson, quantum chromodynamics, quark
Either of two subatomic particles in the meson family, one neutral and one positively charged, having masses 3,649 and 3,658 times that of the electron and average lifetimes of 4.2 × 10- seconds, respectively
or Higgs boson Carrier of an all-pervading fundamental field (Higgs field) that is hypothesized as a means of endowing mass on some elementary particles through its interactions with them. It was named for Peter W. Higgs born 1929 of the University of Edinburgh, one of those who first postulated the idea. The Higgs mechanism explains why the carriers of the weak force are heavy, while the carrier of the electromagnetic force has a mass of zero. There is no direct experimental evidence for the existence of either the Higgs particle or the Higgs field
Electrically charged subatomic particle that transmits the weak force, which governs radioactive decay (see radioactivity) in some atomic nuclei. The discovery of the W particle in 1983 by teams led by Carlo Rubbia and Simon van der Meer confirmed the electroweak theory, which explains that the electromagnetic force and the weak force are manifestations of the same interaction. The weak force is exchanged via three types of particles, two charged and one neutral. The charged particles are designated W^+ and W^- according to the sign of their charge, and the neutral particle is the Z particle. The W particle has a mass about 80 times that of the proton, which gives the weak force a very short range
Electrically neutral carrier of the weak force and the neutral partner of the electrically charged W particle. It is nearly 100 times more massive than the proton and has a lifetime of only about 10^-25 second. Z particles were first observed in 1983 by Carlo Rubbia and Simon van der Meer at CERN. Further studies have shown a natural variation in mass that is related to the particle's lifetime through the uncertainty principle. Measurements show that when Z particles decay to neutrino-antineutrino pairs (see pair production), they produce only three types of lightweight neutrino, indicating that there are only three sets each of leptons and quarks
A small electrically charged particle of very high velocity thrown off by many radioactive matierials, including uranium and radium It is identical with the nucleus of a helium atom and is made when an atom is fissioned Also see: Beta particle, Gamma rays
A particle emitted spontaneously from the nuclei of some radioactive elements It is identical with a helium nucleus, having a mass of four units and an electric charge of two positive units See Radioactivity
A positively charged particle emitted by certain radioactive materials [see radioactive materials definition] It is made up of two neutrons [see neutrons definition] and two protons [see protons definition] bound together and, hence, is identical to the nucleus of a helium atom It has low-penetrating power and short range The most energetic alpha particle will generally fail to penetrate the skin (Health Physics and Radiological Health Handbook Nuclear Lectern Associates, 1984 ) Back to Top
A specific particle ejected from a radioactive atom It has low penetrating power and short range Alpha particles will generally fail to penetrate the skin Alpha-emitting atoms can cause health effects if introduced into the lungs or wounds
A 4He nucleus It is made up of two neutrons and two protons It is the least penetrating of the three common forms of radiation, being stopped by a thin sheet of paper It is not dangerous to living things unless the alpha-emitting substance is inhaled or ingested or comes into contact with the lens of the eye
A positively charged particle ejected spontaneously from the nuclei of some radioactive elements It is identical to a helium nucleus that has a mass number of 4 and an electrostatic charge of +2 It has low penetrating power and a short range (a few centimeters in air) The most energetic alpha particle will generally fail to penetrate the dead layers of cells covering the skin and can be easily stopped by a sheet of paper Alpha particles are hazardous when an alpha-emitting isotope is inside the body
Positively charged particle emitted by certain radioactive substances during their radioactive disintegration An alpha particle consists of two neutrons and two protons and is identical to the nucleus of a helium atom Alpha radiation is less penetrating than beta or gamma radiation A sheet of paper is sufficient to absorb alpha radiation
A particle identical to the helium nucleus which has been ejected from the nucleus of an atom as a form of radiation When the alpha particle slows down it picks up two electrons, becoming an atom of helium The penetrating power of an alpha particle is low; a thin sheet of paper will stop most alpha particles The readjustment which takes place within the parent nucleus results in gamma radiation
A positively charged particle, emitted by certain radioactive materials, made up of two neutrons and two protons bound together, hence identical with the nucleus of the helium atom; the least penetrating of the three common types of radiation (alpha, beta, gamma), it is stopped by a sheet of paper Not dangerous to plants, animals or humans unless the alpha-emitting substance has entered the body
A positively charged nuclear particle identical with the nucleus of a helium atom It consists of two protons and two neutrons and is ejected at high speed from the nucleus of an atom in certain radioactive transformations
Any of the subatomic particles that compose matter and energy, especially one hypothesized or regarded as an irreducible constituent of matter. Also called fundamental particle. one of the types of pieces of matter including electrons, protons, and neutrons that make up atoms
The aggregate component of particleboard manufactured by mechanical means from wood These include all small sub-divisions of wood, such as chips, curls, flakes, sawdust, shavings, slivers, strands, wafers, wood flour, and wood wool
A pixel-based particle generation system that simulates types of natural phenomena that contain many particles The particles system simulates particle dynamics by applying forces and recreating events, such as decay (disintegration) and obstacles, that affect natural particles This allows you to animate particle streams, such as sparks rising from a campfire, fireworks, or the tail of a comet trailing off into space
Any solid or liquid matter larger than a molecule (less than 0 0002 micron diameter) It is composed of settleable matter (which will settle as dust within a reasonable period of time) and suspended matter (which remains suspended in the atmosphere until washed out by precipitation, deposited by impaction, or some other process)
Any of various units of matter below the size of an atom, including the elementary particles and hadrons. or elementary particle Any of various self-contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but heavy core. By the early 1930s it was found that the nucleus is composed of even smaller particles, called protons and neutrons. In the early 1970s it was discovered that these particles are made up of several types of even more basic units, named quarks, which, together with several types of leptons, constitute the fundamental building blocks of all matter. A third major group of subatomic particles consists of bosons, which transmit the forces of the universe. More than 200 subatomic particles have been detected so far, and most appear to have a corresponding antiparticle (see antimatter)
Principle that subatomic particles possess some wavelike characteristics, and that electromagnetic waves, such as light, possess some particlelike characteristics. In 1905, by demonstrating the photoelectric effect, Albert Einstein showed that light, which until then had been thought of as a form of electromagnetic wave (see electromagnetic radiation), must also be thought of as localized in packets of discrete energy (see photon). In 1924 Louis-Victor Broglie proposed that electrons have wave properties such as wavelength and frequency; their wavelike nature was experimentally established in 1927 by the demonstration of their diffraction. The theory of quantum electrodynamics combines the wave theory and the particle theory of electromagnetic radiation
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