(n.) Any large piece of timber or iron long in proportion to its thickness, and prepared for use.
(n.) One of the principal horizontal timbers of a building or ship.
(n.) The width of a vessel; as, one vessel is said to have more beam than another.
(n.) The bar of a balance, from the ends of which the scales are suspended.
(n.) The principal stem or horn of a stag or other deer, which bears the antlers, or branches.
(n.) The pole of a carriage.
(n.) A cylinder of wood, making part of a loom, on which weavers wind the warp before weaving; also, the cylinder on which the cloth is rolled, as it is woven; one being called the fore beam, the other the back beam.
(n.) The straight part or shank of an anchor.
(n.) The main part of a plow, to which the handles and colter are secured, and to the end of which are attached the oxen or horses that draw it.
(n.) A heavy iron lever having an oscillating motion on a central axis, one end of which is connected with the piston rod from which it receives motion, and the other with the crank of the wheel shaft; -- called also working beam or walking beam.
(n.) A ray or collection of parallel rays emitted from the sun or other luminous body; as, a beam of light, or of heat.
(n.) Fig.: A ray; a gleam; as, a beam of comfort.
(n.) One of the long feathers in the wing of a hawk; -- called also beam feather.
(v. t.) To send forth; to emit; -- followed ordinarily by forth; as, to beam forth light.
(v. i.) To emit beams of light.
Example Sentences:
(1) An argon laser beam was used to irradiate the round window in 17 guinea pigs.
(2) Streaming is shown to occur in water in the focused beams produced by a number of medical pulse-echo devices.
(3) 11 patients with a postoperative classification of stage D had additional external beam radiation to the pelvic and paraaortic lymph nodes with shielding of the implanted prostatic region.
(4) The data collection scheme for the scanner uses multiple rotations of a linearly shifted, asymmetric fan beam permitting user-defined variable resolution.
(5) The scatter measurement was made using a standard imaging geometry with both beam stops and an additional x-ray detector placed behind the standard imaging detector.
(6) In an effort to decrease the treatment time for this technique, the flattening filter has been removed from an AECL Therac-6 linear accelerator and the characteristics of the resulting beam have been measured.
(7) Comparative clinical studies on temporomandibular joints (TMJ) between the LEGP and fan beam collimators also confirm the superior image quality obtained with the fan beam collimator.
(8) The special advantage of the UV-beam is that it allow to inactivate selectively of the particular elements of nuclear apparatus of living ciliates is to observe consequences of operation on distant descendants of irradiated cell.
(9) Three-five days after endoscopic laser destruction long-distance open-field gamma-beam therapy was administered to 10 patients and polychemotherapy to 9 of these.
(10) Guidelines for external beam treatment have been set forth in the ASTRO Newsletter.
(11) In work to determine whether X-radiation could be used to induce tumors of the colon in outbred Holtzman rats, a technique was devised so that only the descending colon could be irradiated with a collimated X-ray beam and tumorigenic exposures in the kilo-Roentgen range were delivered.
(12) Nevertheless some technical variations are required, to maintain the typical homogeneity of photon beams.
(13) The RBEs of fast neutron, thermal neutron beams, and neutron capture therapy relative to 60Co gamma-ray were calculated as 2.78, 4.18, and 6.15 at 0.1 surviving fraction, respectively.
(14) Some patients received postoperative external beam irradiation (2000 cGy whole pelvis and an additional 3000 cGy to the parametria, with a midline stepwedge) when deep myometrial invasion was present.
(15) Between 1981 and 1985, 20 patients with malignancy-associated ureteral obstruction (MAUO) were given external beam irradiation with a palliative intent.
(16) Finally, the question of oncogenic effects raised with 193 nm laser beams does not seem to apply to the 308 nm wavelength.
(17) Hence the laser beam acts as a fixation target and measuring beam.
(18) Electron beam therapy is usually employed for the treatment of tumours located at or near the surface of the body, because the electron beam gives a high dose near the surface, but falls off rapidly with increasing depth beyond the level of the 80% depth dose.
(19) By embedding the biopsy in the acrylic resin LR White, unsupported sections of which are stable in the electron beam, light and electron microscopy and immunocytochemistry become feasible on sections from the same block.
(20) Real 60Co beams contain lower energy components; in addition, Awall is defined differently by different authors.
Retrace
Definition:
(v. t.) To trace back, as a line.
(v. t.) To go back, in or over (a previous course); to go over again in a reverse direction; as, to retrace one's steps; to retrace one's proceedings.
(v. t.) To trace over again, or renew the outline of, as a drawing; to draw again.
Example Sentences:
(1) Thus it may be concluded that afferent inputs to the cortical transplants retrace normal cortical inputs.
(2) Finally we're turning back on ourselves, retracing our route down the coast, aiming for the rent-a-car in Punta del Este.
(3) By storing mass data for long periods, the NSA could develop the capability to recreate a reporter’s research, retrace a source’s movements and listen in on past communications, King warns.
(4) Since then, a team of the paper's reporters has been retracing every one of the 673 stories that Blair had filed during his four years on the Times.
(5) The 25-year-old's last journey, which started after she left work on 17 December, was retraced by an actor and filmed for BBC1's Crimewatch programme.
(6) They were soon able to verify their authenticity and, retracing the paintings' steps, they decided that the works in all probability were taken by the thieves by train from Paris to Turin, but were abandoned on board, possibly during border checks.
(7) The author begins by briefly retracing the causes and the evolution of sinistrosis.
(8) Stages of primary oocytes and follicles during ovarian development, and of maturing follicles during breeding cycles of some species, may retrace the phylogenetic progression of sizes of ancestral clutches and ripe follicles.
(9) PBS, ferritin, and IgG showed no such behavior at any of three pH values, and retraced their path of aggregation while dissociating on temperature reversal.
(10) The early origins of the concept of brain death have been retraced.
(11) The experiments in retracing evolution suggest, however, that the self-sequencing of amino acids was the evolutionary precursor of modern nucleic acid templating; the genetic memory is the molecule.
(12) After remembering to fill in the visitors’ book – and taking out any excess rubbish you can carry – carefully retrace your steps back down to the big boulder you left yesterday.
(13) When ships dock here from Antarctica and when daytrippers return after retracing Darwin’s trip across the Beagle Channel a surprising high proportion of passengers utter the same words: “Let’s go to the Irish pub!” The Dublin is no carbon copy from the motherland; instead it has a distinct local look – a shack-like structure, corrugated frontage (green, of course) and small-paned windows.
(14) After exploring the mill area, retrace your steps to Bridge Cottage and cross back over the little bridge, turn left and continue downstream on the river’s right bank.
(15) Based on his own essential contribution to the making of the guide to the city of Ludwigshafen the author retraces the various stages of conception.
(16) The reliability coefficient comparing the first tracings and measurements in the 19 cases that were retraced and remeasured was r = 0.993.
(17) This analysis is an attempt to retrace the missteps made since 9 August by five key players in the Ferguson crisis: St Louis County prosecuting attorney Bob McCulloch; Governor Jay Nixon of Missouri; Ferguson police chief Thomas Jackson; Ferguson mayor James Knowles and St Louis County police chief Jon Belmar.
(18) Occupational exposure to respiratory hazards throughout their career was retraced for each subject.
(19) – the Death of Terry Lloyd, to be broadcast on 21 March, follows the journalist's daughter Chelsey as she retraces his final movements in Iraq , looking for answers her family has been seeking for a decade.
(20) To do this, scientists have developed computer models to effectively play waves and winds backwards, allowing rescue workers to retrace the movements of debris to the site of a crash.