Hardening sentence example

hardening
  • As a result of this gradual hardening and fibrosis of the fascia, symptoms may arise many years after the original incident.

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  • Thus its non-liability to freeze (when not absolutely anhydrous, which it practically never is when freely exposed to the air) and its nonvolatility at ordinary temperatures, combined with its power of always keeping fluid and not drying up and hardening, render it valuable as a lubricating agent for clockwork, watches, &c., as a substitute for water in wet gas-meters, and as an ingredient in cataplasms, plasters, modelling clay, pasty colouring matters, dyeing materials, moist colours for artists, and numerous other analogous substances which are required to be kept in a permanently soft condition.

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  • The best buildings in Havana are constructed of a very rich white limestone, soft and readily worked when fresh, but hardening and slightly darkening with age.

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  • The shares, when made of the same material, required constant sharpening; this necessity was removed by the device, patented by Robert Ransome in 1803, of chilling and so hardening the under-surface of the share; the upper surface, which is soft, then wears away more quickly than the chilled part, whereby a sharp edge is always assured.

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  • The color is fixed and the glaze set by secondary firing at a lower temperature than that necessary for hardening the p4te.

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  • In their train came the great field preachers of Wales, like John Elias and Christmas Evans, and later the Primitive Methodists, who by their camp meetings and itinerancies kept religious enthusiasm alive when Wesleyan Methodism was in peril of hardening.

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  • In this tribe are included Orthoptera with a large prothorax, whose eggs are enclosed in a common purse or capsule formed by the hardening of a maternal secretion.

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  • Between 1860 and 1870 the invention of the Bessemer and open-hearth processes introduced a new class of iron to-day called " mild " or " carbon wcarbon steel," which lacked the essential property of steel, the hardening power, yet differed from the existing forms of wrought iron in freedom from slag, and from cast iron in being very malleable.

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  • As a result, certain varieties, such as blister steel, are called " steel " solely because they have the hardening power, and others, such as low-carbon steel, solely because they are free from slag.

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  • But the former lack the essential quality, slaglessness, which makes the latter steel, and the latter lack the essential quality, the hardening power, which makes the former steel.

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  • Steel is iron which is malleable at least in some one range of temperature, and also is either (a) cast into an initially malleable mass, or (b) is capable of hardening greatly by sudden cooling, or (c) is both so cast and so capable of hardening.

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  • That the ancients should have discovered an art of hardening bronze is grossly improbable, first because it is not to be hardened by any simple process like the hardening of steel, and second because, if they had, then a large proportion of the ancient bronze tools now known ought to be hard, which is not the case.

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  • As such steel cools slowly past Ar3, Ar 2 and Ar 1, it loses its hardening power progressively.

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  • Thermal Treatment.-The hardening, tempering and annealing of steel, the chilling and annealing of cast iron, and the annealing of malleable cast iron are explained readily by the facts just set forth.

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  • The hardening of steel consists in first transforming it into austenite by heating it up into region 4 of fig.

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  • The degree of hardening which the steel undergoes increases with its carbon-content, chiefly because, during sudden cooling, the presence of carbon acts like a brake to impede the transformations, and thus to increase the quantity of 0-iron caught in transit, but probably also in part because the hardness of this 0-iron increases with its carbon-content.

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  • Like the hardening of steel, it hinders the transformation of the austenite, whether primary or eutectic, into pearlite+cementite, and thus catches part of the iron in transit in the hard a state.

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  • Its combination of ductility with strength and hardening power has given it very extended use for the armour of war-vessels.

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  • The plate is then by Krupp's process heated so that its impact face is above while its rear is below the hardening temperature, and the whole is then cooled suddenly with sprays of cold water.

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  • Under these conditions the hardness, which is very extreme at the impact face, shades off toward the back, till at about quarter way from face to back all hardening ceases, and the rest of the plate is in a very strong, shock-resisting state.

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  • The hardening of the extremities of the fibro-vascular tissue is the cause of the spiny margin of many leaves, such as the holly, of the sharp-pointed leaves of madder, and of mucronate leaves, or those having a blunt end with a hard projection in the centre.

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  • Tannin is a hardening and astringent substance, and in large quantities impairs digestion.

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  • Subsequent hardening of the mortar is caused by the gradual absorption of carbonic acid from the air by the lime, a skin of carbonate of lime being formed; but the action is superficial.

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  • It is generally admitted that the aluminate is the chief agent in the first setting of the cement, and that its ultimate hardening and attainment of strength are due to the tricalcium silicate.

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  • The capacity for hardening is an invaluable property not only in regard to cutting-tools, but also in prolonging the life of parts subjected to severe friction.

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  • The tissues and fluids are treated by various histological methods, but, to speak generally, examination is made either in films smeared on thin cover-glasses and allowed to dry, or in thin sections cut by the microtome after suitable fixation and hardening of the tissue.

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  • Generally speaking they do not share in the special modifications of the flowering glumes, and rarely themselves undergo modification, chiefly in hardening of portions (Sclerachne, Manisuris, Anthe- phora, Peltophorum), so as to afford greater protection to the flowers or fruit.

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  • Types of muffle furnaces are figured in the article Annealing, Hardening And Tempering.

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  • The musical biopic is hardening into a formula of lots of suffering and then final salvation.

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  • Once slip has started the stress required for further plastic deformation increases a little, due to work hardening in the material.

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  • A ' tolerable ' leader is required to prevent a further hardening of the anti-Conservative vote.

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  • They also help to reduce hardening of the arteries.

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  • This is known as precipitation hardening, or age hardening.

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  • The increase in stress upon yield stress is due to material strain hardening.

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  • The Harrow Safe Home Project has brought gains through target hardening.

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  • More refined surface hardening can be achieved with lasers or electron beams.

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  • Quarry sap - the moisture found in most newly quarried stone which quickly dries out forming the case hardening.

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  • The wind shifted and we took a heading heading slightly toward Brixham before dropping the spinnaker, hardening up and making for Dartmouth.

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  • Thus intransitive bases seem to have begun only with soft consonants, and it is doubtful whether the parent tongue possessed hard consonants at all; while transitive bases were formed by hardening of the initial consonants and at the same time pronouncing the words in a higher tone, and these two latter changes are supposed to have been indicated by a prefix to the base-word.

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  • It is also essential for the hardening of the chitinous shell of crustaceans.

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  • Vitamin B folate lowers the levels of homocysteine in the blood, a compound believed to be responsible for hardening the arteries.

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  • Keep in a dry place, in an airtight container to keep the fondant from hardening.

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  • For about a week before your target planting date, begin hardening off your seedlings by placing them outside during the day and bringing them indoors at night.

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  • These herbs are never grown in a greenhouse, so they don't require any hardening.

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  • Arteriosclerosis-A chronic condition characterized by thickening, loss of leasticity, and hardening of the arteries and the build-up of plaque on the arterial walls.

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  • Symptoms begin in the first few weeks of life and include an enlarged liver and spleen, adrenal calcification (hardening of adrenal tissue due to deposits of calcium salts), and fatty stools.

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  • If the procedure is repeated, structural changes in the eardrum can occur, such as loss of tone (flaccidity), shrinkage or retraction, or hardening of a spot on the eardrum (tympanosclerosis).

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  • The risk of hardening is 51 percent; its effects on hearing were not known as of 2004, but they are probably insignificant.

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  • Vertigo can also be caused by disorders of the central nervous system and the circulatory system, such as hardening of the arteries (arteriosclerosis), stroke, or multiple sclerosis.

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  • Presbyopia-A condition affecting people over the age of 40 where the system of accommodation that allows the eyes to focus on near objects fails to work because of age-related hardening of the lens of the eye.

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  • Atherosclerosis is hardening of the arteries.

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  • This condition is frequently caused by hardening of the arteries (atherosclerosis).

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  • Peyronie's disease-A disease of unknown origin which causes a hardening of the corpora cavernosa, the erectile tissue of the penis.

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  • Cigarette smoking is a major risk factor for cardiovascular disease, including coronary heart disease, atherosclerosis (hardening of the arteries), and stroke.

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  • Hardening of the arteries--or atherosclerosis--narrows blood vessels, causing the heart to work more forcibly to push blood through the restricted pathways.

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  • She was raped at age nine and became pregnant at age 14 - but instead of hardening her heart and closing herself off to society, Oprah worked her way to the top without ever forgetting about her tough and humble beginnings.

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  • When your blood pressure remains high over a long period of time, you will experience hardening of the arteries (atherosclerosis) and are at risk for heart attacks and stroke.

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  • For years doctors have been telling us that too much sodium is bad for our health, as it causes kidney problems, high blood pressure, and hardening of the arteries.

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  • This component has a serious impact on the body, including hardening of the arteries and heart problems.

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  • Triglycerides make up a sticky form of fat that sticks to artery walls and can cause hardening and narrowing.

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  • By lowering your cholesterol, you help maintain your cardiovascular health by reducing your risk of atherosclerosis or hardening of the arteries.

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  • High cholesterol puts you at risk for atherosclerosis or hardening of the arteries, a major risk factor for heart disease.

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  • This in turn keeps the blood vessels healthy and prevents unnecessary hardening.

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  • Over time, this can lead to atherosclerosis or hardening of the arteries.

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  • Regular exercise will elevate the levels of HDL or good cholesterol in your blood, further reducing your risk of atherosclerosis or hardening of the arteries.

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  • Over time, the heart gets stronger and develops a lower resting heart rate and can pump blood more efficiently; this puts less stress on the circulatory system and keeps the blood vessels from hardening.

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  • Hardening, Jenn turned away and retreated through the forest and rocks to the compound.

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  • The cathedral is faced with pale grey limestone, easily chiselled, but hardening on exposure.

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  • The course of the ensuing campaigns was to reveal the hardening of his mental powers.

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  • His character was hardening, and he deliberately adopted the most barbarous expedients for converting the Augustan Poles to his views.

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  • The rock on the surface is as hard as flint, but underneath it gradually softens and furnishes an admirable stone for building which can be sawn into blocks of any size, hardening on exposure to the atmosphere.

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  • Silicic hardening does not begin till the full height is nearly attained.

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  • Another point to which attention is directed is the exceptionally great effect which hardening has upon the magnetic properties of chrome steel; one specimen had a coercive force of 9 when annealed, and of no less than 38 when oilhardened.

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