(n.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and usually of a whitish, grayish, or flesh-red color. It differs from gneiss in not having the mica in planes, and therefore in being destitute of a schistose structure.
Example Sentences:
(1) Three scientists, George Wald, Ragnar Granit, and Haldan Keffer Hartline, were named last week to share the 1967 Nobel prize in medicine or physiology.
(2) The spirograms of 118 granite quarry workers were digitised using an electronic digitising pen.
(3) Better estimates of exposure-dose relationships in talc and granite workers as well as longer-term animal studies are required to evaluate the harmfulness of these work environments at present-day exposure levels.
(4) The taxpayer remains on the hook for Northern Rock (Asset Management), which has about £50bn worth of mortgages, many of which were parked offshore in the perfectly misnamed "Granite" vehicle, which turned to dust during the credit crunch.
(5) It is concluded that occupational exposure to granite dust is associated with an increased proportion of lymphocytes and an increased concentration of immunoglobulin in lavage fluid that may reflect a subclinical immune inflammatory response.
(6) His granite-hard nature poetry won him both critical praise and a wide readership, which only grew after his appointment as poet laureate in 1984.
(7) Poland hold nerve after Switzerland’s Granit Xhaka blazes penalty wide Read more It was a turgid and torturous game, heavy on physicality and sorely lacking in class, particularly in the final third.
(8) The £4,000 granite memorial was smashed up to be used as landfill at the request of Savile's family.
(9) His style plays to Peter Mandelson's ingenious line (which I don't think Lord Mandelson believes in for a moment) that Cameron is plastic to Gordon Brown's granite .
(10) Alex explains that a vast granite bowl beneath our feet prevents water draining away, creating the swamp into which Stapleton eventually disappears.
(11) We weren’t trying to satisfy the demands of that day.” It has hosted Britain’s first multiplex cinema, first peace pagoda and almost certainly its first public infinity pool Rather than create a centre from buildings like other new towns such as Cumbernauld with its hulking concrete shopping precinct, CMK was designed as a centre of broad boulevards edged in expensive Cornish granite and lined with London plane trees.
(12) Nine granite workers with 4 to 36 yr of employment in the industry and 27 unexposed volunteers were normal by history, physical examination, electrocardiogram, blood count, spirometry, and chest radiograph.
(13) The frequency and correctness of respirators were studied in 5 granite quarries in Singapore involving 201 workers.
(14) While Southampton held out the vision of authorities generating power on a larger scale, Cornwall raised the prospect of tapping geothermal energy from the county's granite base.
(15) UKAR – which currently has 389,000 mortgage and loan customers inherited from Northern Rock and B&B – announced on Tuesday that it had repaid another £3.7bn in its financial year, taking the total to more than £14bn, and was on course to repay another £5bn by selling off Granite.
(16) It’s raining, but Peter keeps us entertained, explaining how the 22-mile granite Mourne Wall was built, passing over 15 mountains to enclose a reservoir catchment area.
(17) The standardized incidence ratio (SIR) for lung cancer was 200 (44 observed, 22.0 expected) for all skilled stone workers, 808 (7 observed, 0.9 expected) for skilled sandstone cutters in Copenhagen, 119 (8 observed, 6.5 expected) for skilled granite cutters in Bornholm, 181 (24 observed, 13.2 expected) for all unskilled stone workers, 246 (17 observed, 6.9 expected) for unskilled workers in the road and building material industry, and 111 (7 observed, 6.3 expected) for unskilled workers in the stonecutting industry.
(18) There's limestone and sandstone to the north, but Aswan's bedrock is hornblende granite.
(19) In London, for instance, the insincere granite cladding of Canary Wharf owes much to his example.
(20) However, due to the high radioactivity of aggregates, composed of granite mainly extracted locally, the mean Ra equivalent activity of concrete is high compared with that in some countries.
Quartz
Definition:
(n.) A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.
Example Sentences:
(1) There fore, the adverse effects may be induced by such quartz or silicon compounds.
(2) We have previously shown that intratracheally instilled silica (quartz) produces both morphologic evidence of emphysema and small-airway changes, and functional evidence of airflow obstruction.
(3) Lung sections of rats exposed to quartz particles were significantly different.
(4) Exposures to quartz amounting to less than about 10 per cent of mixed coal mine dust do not generally affect the probability of developing simple pneumoconiosis.
(5) The effect of quartz, bentonite and coal dusts as well as the effect of the artificial mixture of these dusts on TTC reduction and extra-and intra-cellular lactate dehydrogenase activity in peritoneal rat macrophages was determined in vitro.
(6) Silica quartz dust, a direct toxin of macrophages, suppressed demyelination and inflammation if begun at time of virus infection.
(7) As expected the proportion of quartz was greater in lymph nodes and lungs from men who had worked "low" rank (high ash) coal.
(8) Guinea pig splenic lymphocytes and peritoneal macrophage cultures were incubated with quartz (DQ12), Corundum and aspirin as prostaglandin inhibitor.
(9) A surgical system using 308 nm excimer laser radiation transmitted by quartz fibers is described.
(10) Cancer incidence and cause-specific mortality were studied in a male cohort of 94 talc miners and 295 talc millers, exposed to non-asbestiform talc with low quartz content.
(11) The pulsed dye laser can effectively fragment biliary calculi when transmitted through a small-diameter quartz fiber and may be useful as a tool for fragmenting retained common duct stones.
(12) In mice bearing the highly metastatic tumors B16 melanoma and Lewis lung carcinoma (LLC) treated with Hpd and laser light delivered through a quartz fiber optic significantly prolonged the median survival time.
(13) With a long-term (1 and 4 months) introduction of an additional amount of edible fats (beef, hog fats, butter, sunflower seed oil) to intact and intratracheally quartz-dust laden sexually mature male rats an organ-specific reaction to the supply of fat, and in intact rats, also some peculiarities of the reaction depending upon the kind of the introduced fats, were discovered.
(14) Using a fluorescence microscope with quartz optics and an image analyser, it was possible to measure the intracellular concentration of free calcium ions [Ca2+]i in single microvessels for the first time.
(15) The median amount of quartz for all cases, was 0.044 grams.
(16) The microscope is focused on an in-line quartz flow cell incorporated down stream of a microbore HPLC column or directly on an optically clear portion of fused-silica capillary columns for analyte detection.
(17) X-ray diffraction data from samples of 20, 60 and 100 mug quartz on poly-vinyl chloride membrane filters have been collected using a rotating anode x-ray source.
(18) Mentally,” an Uber driver who used to do contract limo work told a reporter from business magazine Quartz last week, “these rating systems affect us a lot… If I am driving somebody who doesn’t live in New York, and they complain that I took the wrong route, how would they know the route that I should have taken?” He went on to note that in 20 years of working with corporate employees, he hadn’t a single customer complaining.
(19) There are closed relations between progressive systemic sclerosis (PSS) and exposure to quartz dust in the GDR.
(20) A 630 nanometer wavelength of light was delivered through a quartz-optical fiber with either a regular flat end for focal illumination or a bulb-type end which produced an isotropic light pattern.