(v. t.) To cut, clip, or sever anything from with shears or a like instrument; as, to shear sheep; to shear cloth.
(v. t.) To separate or sever with shears or a similar instrument; to cut off; to clip (something) from a surface; as, to shear a fleece.
(v. t.) To reap, as grain.
(v. t.) Fig.: To deprive of property; to fleece.
(v. t.) To produce a change of shape in by a shear. See Shear, n., 4.
(v. t.) A pair of shears; -- now always used in the plural, but formerly also in the singular. See Shears.
(v. t.) A shearing; -- used in designating the age of sheep.
(v. t.) An action, resulting from applied forces, which tends to cause two contiguous parts of a body to slide relatively to each other in a direction parallel to their plane of contact; -- also called shearing stress, and tangential stress.
(v. t.) A strain, or change of shape, of an elastic body, consisting of an extension in one direction, an equal compression in a perpendicular direction, with an unchanged magnitude in the third direction.
(v. i.) To deviate. See Sheer.
(v. i.) To become more or less completely divided, as a body under the action of forces, by the sliding of two contiguous parts relatively to each other in a direction parallel to their plane of contact.
Example Sentences:
(1) The sticking probability decreased as the cell receptor concentration was lowered from approximately 10(4) to 10(2) receptors per 4-microns diam liposome and as the shear rate increased from 5 to 22 s-1.
(2) Gonococcal outer membranes were purified by differential ultracentrifugation of sheared organisms treated with EDTA.
(3) This movement generates forward and backward shearing force in the stagnation region as the separated flow migrates back and forth.
(4) This model characterized the abnormal flow by a weak fluctuation of wall shear stress at the site adjacent to the vessel wall.
(5) The hemolytic characteristics of 14 different polydimethyl-siloxane materials were studied, using a rotating disk device to shear whole human blood for 6000 sec.
(6) Since the antithrombin action of heparin fails to interrupt arterial thrombosis, a mediating role for thrombin (EC 3.4.21.5) in the formation of high-shear platelet-dependent thrombus has been unproven.
(7) A propensity for elevated shear in the deep cartilage layer near the contact periphery, observed in nearly all computed stress distributions, is consistent with previous experimental findings of fissuring at that level in the impulsively loaded rabbit knee.
(8) The development of a shear transducer, small enough to be worn comfortably under a normal foot, is described, along with a microcomputer controlled data logger.
(9) In an emergency, the devices use multiple mechanisms – including clamps and shears – to try to choke off the oil flowing up from a pipe and disconnect the rig from the well.
(10) Cement was pressurized into the cavity of the anatomic specimens, and the maximum interface shear strength between the cement plug and the bone was experimentally determined for each revision.
(11) At the divider side walls, wall shear stresses are relatively high and approximately follow the flow rate distribution in time.
(12) Platelet adhesion onto subendothelium of a damaged blood vessel depends upon the presence of von Willebrand factor (vWf) only at high flow shear rate.
(13) Shear stress and first normal stress difference are measured as a function of shear gradient to calculate the apparent shear viscosity eta 1 and the apparent normal viscosity psi 7 as well as an apparent shear modulus G'.
(14) The accepted cause of this shear rate-dependent and time-dependent behavior is the progressive breakdown of rouleaux into individual red cells.
(15) The mean length of a population of microtubules containing GMPPCP increased only by 37% over a 150 min time period after shearing.
(16) By studying the kinetics of urease-catalyzed urea hydrolysis during application of hydrodynamic shear under varying chemical environments, we demonstrate that micromolar quantities of metal ions, in this case adventitious Fe, can accelerate the oxidation of thiol groups on urease and thus inactivate it when the protein is subjected to a shearing stress of order 1.0 Pa.
(17) The viscosity of these materials were measured by using the Ishida-Giken cone and plate high shear rheometer.
(18) The primate skull physical model data and the critical shear strain associated with the threshold for severe diffuse axonal injury were used to scale data obtained from previous studies to man, and thus derive a diffuse axonal injury tolerance for rotational acceleration for humans.
(19) Flagellar filaments were isolated from either culture fluid or concentrated cell suspensions that were subjected to shearing.
(20) Hemodilution seems particularly promising under hemodynamic condition of low shear stresses in vivo.
Strain
Definition:
(n.) Race; stock; generation; descent; family.
(n.) Hereditary character, quality, or disposition.
(n.) Rank; a sort.
(a.) To draw with force; to extend with great effort; to stretch; as, to strain a rope; to strain the shrouds of a ship; to strain the cords of a musical instrument.
(a.) To act upon, in any way, so as to cause change of form or volume, as forces on a beam to bend it.
(a.) To exert to the utmost; to ply vigorously.
(a.) To stretch beyond its proper limit; to do violence to, in the matter of intent or meaning; as, to strain the law in order to convict an accused person.
(a.) To injure by drawing, stretching, or the exertion of force; as, the gale strained the timbers of the ship.
(a.) To injure in the muscles or joints by causing to make too strong an effort; to harm by overexertion; to sprain; as, to strain a horse by overloading; to strain the wrist; to strain a muscle.
(a.) To squeeze; to press closely.
(a.) To make uneasy or unnatural; to produce with apparent effort; to force; to constrain.
(a.) To urge with importunity; to press; as, to strain a petition or invitation.
(a.) To press, or cause to pass, through a strainer, as through a screen, a cloth, or some porous substance; to purify, or separate from extraneous or solid matter, by filtration; to filter; as, to strain milk through cloth.
(v. i.) To make violent efforts.
(v. i.) To percolate; to be filtered; as, water straining through a sandy soil.
(n.) The act of straining, or the state of being strained.
(n.) A violent effort; an excessive and hurtful exertion or tension, as of the muscles; as, he lifted the weight with a strain; the strain upon a ship's rigging in a gale; also, the hurt or injury resulting; a sprain.
(n.) A change of form or dimensions of a solid or liquid mass, produced by a stress.
(n.) A portion of music divided off by a double bar; a complete musical period or sentence; a movement, or any rounded subdivision of a movement.
(n.) Any sustained note or movement; a song; a distinct portion of an ode or other poem; also, the pervading note, or burden, of a song, poem, oration, book, etc.; theme; motive; manner; style; also, a course of action or conduct; as, he spoke in a noble strain; there was a strain of woe in his story; a strain of trickery appears in his career.
(1) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
(2) None of the strains was found to be positive for cytotoxic enterotoxin in the GM1-ELISA.
(3) They are going to all destinations.” Supplies are running thin and aftershocks have strained nerves in the city.
(4) In contrast, resting cells of strain CHA750 produced five times less IAA in a buffer (pH 6.0) containing 1 mM-L-tryptophan than did resting cells of the wild-type, illustrating the major contribution of TSO to IAA synthesis under these conditions.
(5) We were able to detect genetic recombination between vaccine strains of PRV following in vitro or in vivo coinoculation of 2 strains of PRV.
(6) All of the strains examined were motile and hemolytic and produced lipase and liquid gelatin.
(7) The taxonomic relationship of strains H4-14 and 25a with previously described Xanthobacter strains was studied by numerical classification.
(8) Whereas strain Ga-1 was practically avirulent for mice, strain KL-1 produced death by 21 days in 50% of the mice inoculated.
(9) These results suggest that the pelvic floor is affected by progressive denervation but descent during straining tends to decrease with advancing age.
(10) We also show that the gene of the main capsid protein is expressed from its own promoter in an Escherichia coli strain.
(11) Sequence variation in the gp116 component of cytomegalovirus envelope glycoprotein B was examined in 11 clinical strains and compared with variation in gp55.
(12) By hybridization studies, three plasmids in two forms (open circular and supercoiled) were detected in the strain A24.
(13) In addition, the fact that microheterogeneity may occur without limit in the mannans of the strains suggests that antibodies with unlimited diverse specificities are produced directed against these antigenic varieties as well.
(14) Strains isolated from the environment and staff were not implicated.
(15) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
(16) Escherichia enterotoxigenic strains, Yersinia enterocolitica and Salmonella typhimurium virulent strains, Campylobacter jejuni clinical isolates possess more pronounced capacity for adhesion to enteric cells of Peyer's plaques than to other types of epithelial cells, which may be of importance in the pathogenesis of these infections.
(17) These sequences are also conserved in the same arrangement in minor sequence classes of minicircles from this strain.
(18) The isoelectric points (pI) of E1 and E2 for all VEE strains studied were approx.
(19) One rat strain (TAS) is susceptible to the anticoagulant and lethal effects of warfarin and the other two strains are homozygous for warfarin resistance genes from either wild Welsh (HW) or Scottish (HS) rats.
(20) In these bitches, a strain of E coli identical to the strain in the infected uterus was isolated.