(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.
Keel
Definition:
(v. t. & i.) To cool; to skim or stir.
(n.) A brewer's cooling vat; a keelfat.
(n.) A longitudinal timber, or series of timbers scarfed together, extending from stem to stern along the bottom of a vessel. It is the principal timber of the vessel, and, by means of the ribs attached on each side, supports the vessel's frame. In an iron vessel, a combination of plates supplies the place of the keel of a wooden ship. See Illust. of Keelson.
(n.) Fig.: The whole ship.
(n.) A barge or lighter, used on the Type for carrying coal from Newcastle; also, a barge load of coal, twenty-one tons, four cwt.
(n.) The two lowest petals of the corolla of a papilionaceous flower, united and inclosing the stamens and pistil; a carina. See Carina.
(n.) A projecting ridge along the middle of a flat or curved surface.
(v. i.) To traverse with a keel; to navigate.
(v. i.) To turn up the keel; to show the bottom.
Example Sentences:
(1) In 2007, she put the Oscars back on an even keel after poor reviews for the satirist Jon Stewart in 2006.
(2) As they were leaving, he told the court, D’Souza took charge of Keeling and asked Sagar to leave the pair alone.
(3) But before you keel over in shock she's back on form arguing that the government use the money spent on overseas aid to boost investment in prisons.
(4) In that time, MacKeown has had to endure tastleless coverage of her daughter’s drug use and sex life, and close scrutiny of her own lifestyle, and of her decision to allow Keeling to travel alone to Anjuna while the family toured a neighbouring state.
(5) Because we know how even-keeled and slow-to-anger people are during those types of situations.
(6) This bar is only a couple of miles from where the body of British teenager Scarlett Keeling was found five years ago.
(7) Another ship, called TransSpar and designed by Canada's Extreme Ocean Innovation , has a huge, deep keel for stability, giving it the shape of a seahorse, while a third is an adaptation of a Norwegian Navy minesweeping hovercraft .
(8) A silastic keel is secured between the vocal cords at the anterior commissure by means of a loop of nylon passing externally through the crico-thyroid and crico-hyoid membranes.
(9) This instrument will allow endoscopic insertion of sutures for lateralization of a paralyzed vocal cord or for fixation of endoscopically inserted stents or keels in laryngotracheal stenosis.
(10) In a rare case of simultaneous glottic and supraglottic webbing a tantalum keel, as described by McNaught, and a silcone elastomer keel, as described by Montgomery, were placed simultaneously via laryngofissure.
(11) Willetts has appointed Dame Janet Finch, a former vice-chancellor of Keele University, to sit down with academics and publishers to work out how an open-access scheme for publicly-funded research might function in the UK.
(12) Fifteen-year-old Scarlett Keeling was found bruised and half-dressed in the waters of popular Anjuna beach in February 2008.
(13) Professor Peter Styles, professor of applied and environmental geophysics at Keele University, said the find could supply the UK for decades.
(14) In chickens he found NCD (pseudo-fowlpest) and in ducklings a mortal disease which the author then called 'keeling disease' but which he many years later, recognized as virus hepatitis.
(15) Analysis of the 12-wk pooled data from both cage and floor groups indicated the occurrence of isometric growth of the shank and breast in G1 and of the breast only in G2 and allometric growth of the thigh and keel in both genotypes.
(16) An endoscopic technique using a Teflon keel which has been successful in properly selected cases is presented.
(17) Pain threshold was measured in 106 patients with rheumatoid arthritis, 50 with ankylosing spondylitis, and 50 normal controls using Keele's algometer.
(18) I did not need O-levels to lead, to have judgment, to make decisions and to be decided.” Nevertheless, in later life he would serve several universities, as pro-chancellor of Keele, then chancellor of Manchester Metropolitan and first chancellor of Chester.
(19) I kept falling asleep during morning session, keeling over into the person next to me.
(20) Nonarticulated components, such as the solid-ankle cushion heel foot, have various keel designs; energy-storing variants provide springiness for walking and running.