- linear beam
- 直线束
Medical Chinese dictionary (湘雅医学词典). 2013.
linear beam
Look at other dictionaries:
linear beam tube — tiesiapluoštė elektroninė lempa statusas T sritis radioelektronika atitikmenys: angl. linear beam tube vok. lineare Elektronenstrahlröhre, f rus. лампа с линейным электронным потоком, f pranc. tube à faisceau électronique linéaire, m … Radioelektronikos terminų žodynas
linear accelerator — n an accelerator in which particles are propelled in a straight line and receive successive increments of energy through the application of alternating potentials to a series of electrodes and gaps * * * (linac) a machine that accelerates… … Medical dictionary
Beam search — is a heuristic search algorithm that is an optimization of best first search that reduces its memory requirement. Best first search is a graph search which orders all partial solutions (states) according to some heuristic which attempts to… … Wikipedia
Beam propagation method — (BPM) refers to a computational technique in Electromagnetics, usedto solve the Helmholtz equation under conditions of a time harmonic wave. BPM works under slowly varying envelope approximation, for linear and nonlinear equations.The beam… … Wikipedia
Linear particle accelerator — A linear particle accelerator (also called a linac) is an electrical device for the acceleration of subatomic particles. This sort of particle accelerator has many applications, from the generation of X rays in a hospital environment, to an… … Wikipedia
Beam tetrode — The problem of secondary emission in the tetrode tube (valve) was solved by Philips/Mullard with the introduction of a suppressor grid to produce the pentode construction. Since Philips held a patent on this design, other manufacturers were keen… … Wikipedia
Beam crossing — A beam crossing in a particle collider occurs when two packets of particles, going in opposite directions, reach the same point in space. Most of the particles in each packet cross each other, but a few may collide, producing other particles that … Wikipedia
linear absorption coefficient — in radiation physics, the fraction of a beam of x rays or gamma rays that is absorbed per unit thickness of the absorber … Medical dictionary
linear attenuation coefficient — (μ) in radiation physics, the fraction of a beam of x rays or gamma rays that is absorbed or scattered per unit thickness of the absorber … Medical dictionary
Stanford Linear Accelerator Center — The Stanford Linear Accelerator Center (SLAC) is a United States Department of Energy National Laboratory operated by Stanford University under the programmatic direction of the U.S. Department of Energy Office of Science. The SLAC research… … Wikipedia
External beam radiotherapy — otherwise known as teletherapy, is the most frequently used form of radiotherapy. The patient sits or lies on a couch and an external source of radiation is pointed at a particular part of the body. Kilovoltage (also known as Superficial or Deep) … Wikipedia
