(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.
Metric
Definition:
(a.) Relating to measurement; involving, or proceeding by, measurement.
(a.) Of or pertaining to the meter as a standard of measurement; of or pertaining to the decimal system of measurement of which a meter is the unit; as, the metric system; a metric measurement.
Example Sentences:
(1) Two mechanisms are evident in chicks' spatial representations: a metric frame for encoding the spatial arrangement of surfaces as surfaces and a cue-guidance system for encoding conspicuous landmarks near the target.
(2) This gives us the foundations to consider the method of evaluation of phenetic distances between natural groups of animals for the set of non-metric threshold skeletal traits more suitable for detection of genetical differentiation of wild populations.
(3) In reviewing recent progress concerning the motor system and drug action, the following subjects will be discussed on the basis of our data: 1) the mechanisms of action of mephenesin and baclofen, 2) baclofen and gamma-aminobutyric acid B (GABAB) receptor, 3) GABA-, benzodiazepine receptors, 4) control of spinal motor system by descending noradrenergic neuron, 5) pharmacology of the muscle spindle, and 6) pharmaco-metrics of centrally acting muscle relaxants.
(4) It is clear that the metric takes something – biodiversity and habitats – that are inherently very complex and tries to simplify them for easier decision-making.
(5) There are still areas where we focus on targets rather than outcomes as the key metrics of whether the NHS is performing well … We need to have a broader measure of what success is in the NHS and we need to do some careful thinking about how we achieve that.
(6) Forty-eight cranial metric and twenty-five cranial non-metric traits were scored on the left side of adult male crania from four North American Indian populations.
(7) But this metric is a good way to reward original source-finding.
(8) In addition, an electric field exposure metric is mechanistically consistent with a cell-surface interaction site.
(9) Multimeasurable systemic models have been constructed to demonstrate how quantitative indices of metrical properties of the capillaries depend on the cardiac size.
(10) It will cut greenhouse gas emissions by 900m metric tonnes, and save the equivalent of last year's imports of oil from Saudi Arabia, Venezuela, Libya and Nigeria combined.
(11) Some metric parameters (height and width, sizes of the isthmus the an angle between the corns) are given with the purpose of greater precision of roentgenological interpretation.
(12) The original metric system based on lenght (centimetre), mass (gramme) and time (second) has proved inadequate.
(13) These endeavoured to achieve a comprehension of the higher cortical functions on a metric basis.
(14) The distal phalanges are complete, however, and were analyzed metrically utilizing univariate and multivariate statistical techniques.
(15) By means of pH-metric and fluorescent analysis it was shown that vasopressin interacts with other membrane structures which have no specific receptors--phosphatidylcholinic liposomes and vesicles of sarcoplasmic reticulum of skeletal muscles causing increasing permeability of phospholipid bilayer for Ca2+ ions.
(16) Added to this there are varying interpretations of the metric with at least three different calculation tools that CIEEM is aware of.
(17) Neanderthal teeth were significantly more metrically asymmetric than those of either Australopithecus or H. erectus, with population differences in asymmetry centered in the maxillary teeth.
(18) These days, rat poison is not just sown in the earth by the truckload, it is rained from helicopters that track the rats with radar – in 2011 80 metric tonnes of poison-laced bait were dumped on to Henderson Island, home to one of the last untouched coral reefs in the South Pacific.
(19) FORTRAN IV programs allow calculation of surface area, villous heights, and component volumes in metric units, and of volume proportions, volume-to-volume ratios, and surface-to-volume ratios.
(20) The occlusal contacts of teeth in a dentition have been analysed metrically with the aid of a new method.