Certain crystals called zircons, obtained from drilling into very deep granites, contain uranium which has partly decayed into lead. |
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Limestone piers at the estate's walled gardens were also found to be decayed. |
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It relies on an analysis of how much of a radioactive isotope has decayed into its daughter isotope. |
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The Z particle decayed almost instantaneously, but left a distinctive trace in the collision data. |
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Yet for the past 20 years or more the building has steadily decayed, plagued by dry rot, a leaking roof, rising damp and vandalism. |
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The public meeting has decayed, and what voters see on TV is constructed around artifice and falsehood. |
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The mangroves' waterlogged roots decayed into peat, and the peat's acidity and lack of oxygen kept the wood from rotting. |
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I loved to hold its face close to mine in the dark and watch the scintillations produced every time a radium nucleus decayed. |
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Now, the slave-built massive concrete bastions have softened and decayed under the influence of time, weather and vegetation. |
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They have more decayed teeth being filled, more left unfilled, and fewer extractions. |
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Some of the films turned out to be unwatchable because the film had decayed or curdled, but most were perfect. |
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They produced neptunium, which decayed by beta emission, shunting the element one place further along the Periodic Table. |
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Now, with reduced capabilities and decayed leadership, they've turned to attacking soft targets. |
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To see these now, even in decayed grandeur, is a heart-rendingly romantic sight. |
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The two oldest individuals at Caffey Hill both contained decayed heartwood, so stand maximum ages exceeded these values. |
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Billy has been left with only eight back teeth and his two front incisors, which dentists say are so badly decayed they will fall out in months. |
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When crown tissue is infected and becomes decayed, the entire plant may wilt and die. |
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Vancouver's derelict and decayed industrial edifices have often served as a source of inspiration for local artists. |
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From that point, the property has remained uninhabited, and has slowly decayed. |
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On the downside he's noticed that the urban infrastructure has decayed immeasurably in recent years. |
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A few suburbs have flourished, while the inner city has decayed and once relatively stable working class communities have deteriorated. |
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We found that fluorescence decayed with an averaged time constant of 142.8 s due to photobleaching. |
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The town is but a decayed, honky-tonk version of the company town, with everything and everybody in it owned by Mr. Potter, the rapacious banker. |
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When a tooth is decayed, the dentist usually repairs it by drilling out the rotten portion, and filling the gap. |
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No natural reactors exist today, as the relative density of fissile uranium has now decayed below that needed for a sustainable reaction. |
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Your dentist takes out the decayed pulp, fills the space with a paste, and covers the tooth with a crown to protect and seal it. |
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Both members of the pair excavate a hole in a decayed tree, typically a cottonwood or Ponderosa pine. |
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They are so named because they originate from the decayed and fossilized remains of plants and animals that lived millions of years ago. |
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The upper echelons of American society are hopelessly corrupted and morally decayed. |
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But every single atom of a radioisotope advertised its presence when it decayed, since the radiation could be detected with a Geiger counter. |
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Signs of structural instability include cracks in the trunk or major limbs, hollow or decayed areas, or excessive dead wood. |
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Dropping aft to main deck level, the walls of the deckhouse are decayed, the inside filled with debris. |
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The 12 dancers are portrayed as decayed, gin-soaked, limping Southern belles afraid of the light. |
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But the despotism in certain dingy and decayed tribes in the twentieth century does not prove that the first men were ruled despotically. |
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But history shows that even most prosperous civilisations have decayed and disintegrated if it did not have a nationalistic ideology. |
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I saw my self-esteem fading as I angled the duchesse mirror to contemplate the horror of my decayed teeth. |
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Dentists are routinely extracting entire sets of severely decayed teeth from toddlers under general anaesthetic. |
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Some were from two hundred years previous to this day, and it was a small wonder that they had not simply decayed and disintegrated into nothingness. |
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The hindwings are usually so decayed as to be unrecognizable. |
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On the port side, fish swim in and out where hull plating has decayed, leaving ragged holes blocked to any but the skinniest of divers by upright hull ribs. |
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It was rotten and decayed and completely disintegrated on impact. |
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Finally it was found that the foundations were decayed, having been sapped by the constant flooding and it was decided to demolish the church and build a new one. |
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Since the Fearless was sunk in 1985, much of the wooden structure has decayed, leaving only frames and fittings where the wheelhouse and forward deckhouse once stood. |
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Litter in years gone by was really non existent and not the problem it is today, as packaging was simple and brown paper bags being organic quickly decayed. |
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Several hundred million years ago, conditions of burial were such that organisms decayed to form products consisting almost entirely of carbon and hydrocarbons. |
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In Tokaj-Hegyalja the soils are volcanic with a topsoil of decayed lava. |
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Our sport is rife with that same insidious elitism that has decayed the core of other field sports, which now face the very real prospect of being outlawed. |
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Until the rocks crystallized, uranium atoms could move freely through the molten magma from which they formed, and decayed uranium could be replenished. |
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Sure marriage, said I, is not sufficiently encouraged, or we should never behold such crowds of battered beaux and decayed coquets still attempting to drive a trade. |
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A class is created of dogged self-righteous obstructionists with a vested interest in the status quo, however obsolescent, however decayed, however inappropriate to the site. |
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The morning air filled with the stenorous rasps of half decayed lungs. |
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The fine sand and silt size fraction comprised decayed plant material, pollen, occasional chitin fragments, clay aggregates, diatoms and fine silicates. |
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An early autumn sun lit up cobblestone streets, tall acacia trees, and handsome and nearly all decayed 19th-century buildings. |
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Palmer grounds further mistrust in an awareness of the late hour of language, in anxiety regarding its itinerant languor and lapse, its reflecting gaze having decayed. |
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Photographs of Assurance-class tugs show considerable superstructure forward of the Samson post, all of which has either now decayed or been swept clear. |
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I felt decayed, drear, pounded down like a gel-cup, compressed yet empty. |
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Eddie Crouch, Secretary for the Birmingham Local Dental Committee, said decayed milk teeth had been removed from some city kids. |
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The buried ice blocks decayed completely in the Allerad to Boreal chronozones and formed a number of small thermokarst holes which hosted lakes. |
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Termites ingest chitin from various sources, including fungi in decayed wood, and other termites via cannibalism and necrophagy. |
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The settlement is circumvallated by a stake-fence, so decayed that one may gain ingress at a dozen places. |
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The extreme humidity decayed the wooden sculptures in the museum's collection in a matter of years. |
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The decayed remains of the pilot's shirt showed where the plane had been shot down. |
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Everyone is full of the miracles done by cold baths on decayed and weak constitutions. |
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Like today, Old English had fewer strong verbs, and many of these have over time decayed into weak forms. |
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This meant there was less need for large tax revenues and so the taxation systems decayed. |
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The ceremony in 695 found that her body had not decayed, which led to her being declared a saint. |
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He locked most of the fleet inside the Golden Horn, where the ships decayed for the next 30 years. |
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The degree to which the remains are decayed when covered determines the later details of the fossil. |
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Lignite begins as an accumulation of partially decayed plant material, or peat. |
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The gradual accumulation of decayed plant material in a bog functions as a carbon sink. |
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If the peat decayed, carbon dioxide would be released to the atmosphere, contributing to global warming. |
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This is evidenced by the fact that a tree can thrive with its heart completely decayed. |
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The precipitation is assisted with mosses and other vegetable structures, thus leaving cavities in the calcareous sinter after they have decayed. |
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Wood decomposing abilities of diverse lignicolous fungi on nondecayed and decayed beech wood. |
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Here scientists found a particle named Bs meson, which decayed into two muons for the first time. |
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The observations at LHCb and CMS were so rare that Bs mesons only decayed into two muons about three times in every billion collisions. |
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All but four of her 20 milk teeth were decayed, a Bristol council report said. |
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Within the vault, inside the remnants of a decayed oak coffin, there was a body entirely enclosed in lead, with a decayed shroud of cloth of gold over it. |
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Damaged on lift-off, Skylab was left in orbit until its orbit decayed. |
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And then again, when we put what appears to be unorganised matter under the microscope, we frequently find it to consist of decayed organic or cellulated matter. |
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It had a mass of 125 gigaelectronvolts, give or take a gigaelectronvolt, and decayed into other particles such as W and Z bosons at predictable rates. |
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Applied to a cavity in a decayed tooth, it also relieves toothache. |
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By and by fumes of brandy began to fill the air, and climb to where I lay, overcoming the mouldy smell of decayed wood and the dampness of the green walls. |
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Although now somewhat decayed, the battlements originally sported triple finial designs and featured a sequence of square holes running along the outside of the walls. |
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