(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.
Shaft
Definition:
(n.) The slender, smooth stem of an arrow; hence, an arrow.
(n.) The long handle of a spear or similar weapon; hence, the weapon itself; (Fig.) anything regarded as a shaft to be thrown or darted; as, shafts of light.
(n.) That which resembles in some degree the stem or handle of an arrow or a spear; a long, slender part, especially when cylindrical.
(n.) The trunk, stem, or stalk of a plant.
(n.) The stem or midrib of a feather.
(n.) The pole, or tongue, of a vehicle; also, a thill.
(n.) The part of a candlestick which supports its branches.
(n.) The handle or helve of certain tools, instruments, etc., as a hammer, a whip, etc.
(n.) A pole, especially a Maypole.
(n.) The body of a column; the cylindrical pillar between the capital and base (see Illust. of Column). Also, the part of a chimney above the roof. Also, the spire of a steeple.
(n.) A column, an obelisk, or other spire-shaped or columnar monument.
(n.) A rod at the end of a heddle.
(n.) A solid or hollow cylinder or bar, having one or more journals on which it rests and revolves, and intended to carry one or more wheels or other revolving parts and to transmit power or motion; as, the shaft of a steam engine.
(n.) A humming bird (Thaumastura cora) having two of the tail feathers next to the middle ones very long in the male; -- called also cora humming bird.
(n.) A well-like excavation in the earth, perpendicular or nearly so, made for reaching and raising ore, for raising water, etc.
(n.) A long passage for the admission or outlet of air; an air shaft.
(n.) The chamber of a blast furnace.
Example Sentences:
(1) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
(2) In contrast, the ryanodine receptor is observed in dendritic shafts, but not in the spines.
(3) Five cases of mycetoma of bone involving patella, shaft of tibia, medial malleolus, calcaneum and phalanx of great toe are presented.
(4) Since 1984, 16 children (mean age 10.3 years) have had stabilization of their femoral shaft fractures by external fixation (Monofixateur) in the Trauma Department of the Hannover Medical School.
(5) The fractures were localized as follows: 7 in the proximal, 7 in the middle, 1 in the distal third of the shaft, 5 subtrochanteric, 1 supracondylar.
(6) Normal neck-shaft angle accounted to 53.1% in the traction group.
(7) Operative treatment was used 22 times (5 sesamoid fractures, 5 midtibial fractures, 5 metatarsal V base fractures, 3 tarsal navicular fractures, 3 olecranon fractures, and 1 proximal tibial shaft fracture).
(8) Twenty-five patients with aseptic nonunion of the humeral shaft, treated by a combined therapeutic procedure, are reported.
(9) The tanycyte shafts extended from the floor of the fourth ventricle into the bundle, and often ran the entire length of the bundle, where they intertwined themselves among neurons and dendrites of the medullary raphe nuclei.
(10) We successfully applied it in the treatment of eight fractures of the shafts of the femur or tibia which would not unite because of infection, soft tissue interposition or gross incongruity of fragments.
(11) The tibial shafts of OVX rats compared to SHAM controls showed elevated periosteal mineral apposition rate and endocortical bone formation parameters.
(12) Mid-shaft sections of 100% silicone (Bardex) and hydrogel-coated latex (Biocath) catheters were subjected to controlled in vitro encrustation conditions for periods of up to 18 weeks.
(13) The filaments are tightly joined together along their shafts for about 30 nm but they separate at both ends for about 10 nm before contacting the external surface of the plasma membrane.
(14) In the original exchange, Scudamore warned Nick West, a City lawyer who works with the Premier League on broadcasting deals, to keep a female colleague they nicknamed Edna “off your shaft”.
(15) The sequential examination of the hair shaft allows an assessment of the chloroquine amount taken over time, the individual dosage, the initiation and termination of therapy.
(16) The long axis of the femoral shaft was, however, not shown to be a source of substantial error.
(17) In the good old days the judges looked the other way when radicals were shafted, shocking bail conditions imposed and foreigners unceremoniously thrown out.
(18) We therefore performed an investigation to find whether application of bone cement to the femur caused histamine release in elective hip surgery, and, independently of this, also investigated whether premedication with H1- + H2-antagonists had any effect on the cardiovascular reactions due to bone cement implantation into the femoral shaft in elderly patients with hip fracture.
(19) Of the 21 cement-free shaft implantations, 3 had to be replaced, the average age of these patients being 42.9 years.
(20) As compared to the mean values of normal gravity controls, centrifuged dogs showed no differences in femur length; cross-sectional area, outer and inner radii at mid-shaft of the femur; dry weights of the biceps femoris, quadriceps femoris, and gastrocnemius muscles.