What's the difference between beam and crossbar?

Beam


Definition:

  • (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.

Crossbar


Definition:

  • (n.) A transverse bar or piece, as a bar across a door, or as the iron bar or stock which passes through the shank of an anchor to insure its turning fluke down.

Example Sentences:

  • (1) Hazard, nominated for the Ballon d’Or earlier in the day, broke away from his industrious defensive running to curl a shot on to the base of the far post early on while Willian struck the crossbar with a free-kick just after the interval.
  • (2) Saúl gave the ball away to John Guidetti who powered home a 25-metre drive and Correa struck the crossbar at the other end before Hernández got his second with a header from Hugo Mallo’s cross.
  • (3) Five minutes into the second half the Nigerian attacker produced an audacious flick over the head of Borges before sending a pinpoint cross to Smith, only for the veteran striker to head on to the crossbar.
  • (4) He snatches at the ball and shoots it high over the crossbar.
  • (5) The team's response to the goal was to look for the pair with every attack but the closest they came was through Ravel Morrison's 20-yard free-kick in the 23rd minute, which would have crept under the crossbar had Karl Darlow not made a fine save.
  • (6) Javier Mascherano went close to scoring for the European champions in the 26th minute when he headed a Messi centre against the crossbar while Carlos Kameni was in fine form in the Málaga goal.
  • (7) Kane reacted after Christian Eriksen’s 61st minute free-kick had come back off the crossbar and it was one of those efforts that could have gone anywhere.
  • (8) The crossbar attachment that joins the four implant posts of the substructure provides better force distribution and less potential for resorption below the primary struts of the complete mandibular subperiosteal implant.
  • (9) Sánchez barrelled through to extend Weidenfeller with a low drive while Oxlade-Chamberlain, on his 100th appearance for the club, hit a marvellous looping shot from Sánchez’s pass that rattled the crossbar.
  • (10) Not long after the break, and shortly after watching Yannick Bolasie dodge Mapou Yanga-Mbiwa before brushing the crossbar with a shot, Carver introduced Ben Arfa at Luuk De Jong's expense.
  • (11) Carroll headed narrowly over De Gea’s crossbar in the 88th minute before a flurry of later West Ham pressure resulted in a double save by the goalkeeper.
  • (12) His header from Gaël Clichy's cross drew a flying save from Lloris and he had another effort cleared off the line by Rose and then fired a third just over the crossbar.
  • (13) Unfortunately, and I don't know how, the ball went up three metres and flew over the crossbar.
  • (14) The ball was floated the other way, where it caught the underside of the crossbar and dropped over the line.
  • (15) Twenty years on, it was almost a surprise Arsenal did not add more goals, the substitute Alex Oxlade-Chamberlain coming the closest in stoppage time with a shot off the crossbar.
  • (16) All the peptidoglycan 15N peptide resonances observed in the intact cells and isolated cell walls could be accounted for by residues in the bridge or crossbar regions of the peptide chains, which indicated that only the cross-linking groups had a high degree of motional freedom.
  • (17) Roman Eremenko offered a warning with a shot just over Hart’s crossbar.
  • (18) Paul Pogba hit the crossbar with a dipping shot in the first half but never did enough to impose himself and, rightly or wrongly, it is hard not to look at the Frenchman and expect so much more from the world’s most expensive footballer.
  • (19) Danny Welbeck wafted his attempt over the crossbar.
  • (20) The striker killed it on his chest and then crashed a rash hasty shot past Howard and onto the crossbar!