(n.) A mineral consisting of the hydrous sulphate of lime (calcium). When calcined, it forms plaster of Paris. Selenite is a transparent, crystalline variety; alabaster, a fine, white, massive variety.
Example Sentences:
(1) Ten alginates and seven gypsum products were tested.
(2) It is recommended that manufacturers pay more strict adherence to the requirements of the ISO Standard with regard to the availability and recommendation of suitable compatible gypsum products, and also that perhaps the actual Standard should be modified to be more realistic in its demands, and more discriminatory in its evaluation procedure.
(3) The diffusive properties of alginate membranes prepared by the interfacial reaction of sodium alginate solution with gypsum substrates were studied.
(4) The tensile strength of a dental gypsum was measured indirectly using both the diametral and the double-punch tests.
(5) Radiation shielding tables were developed from the calculated transmissions through Pb, concrete, gypsum, steel, plate glass, and water, using a technique which eliminates the "add one HVL" rule.
(6) The use of alginate and a recently introduced modified gypsum product as investing media, as well as centrifugation of the pour resin into the flask, offer no significant advantages over the originally introduced procedure.
(7) And unlike beach sand, the sands here, made up of eroded gypsum crystals, do not get scorching hot in the sun and can usually be walked on in bare feet, even on the hottest days.
(8) The best way of sterilization is to make a gypsum model from the hydrocolloid impression and place it in the furnace for 30 min in 60 degrees C.
(9) The results show that the dosage of gypsum should be 10-20 grams, preferably ground to at least 60 mesh powder, the fine powder over 60 mesh is not to be pre-decocted, but the coarse powder of 40 mesh needs pre-decocting.
(10) The content of calcium ion Ca2+ in gypsum decoction has been determined with coordination titration.
(11) Gypsum produced only 5% and granular dusts none at all.
(12) The fibrous dusts (other than gypsum) resulted in a high incidence of mesothelioma (30 - 67%).
(13) In a small area (approximately 40 km2) against the mountains there is a concentration of over 20 large plants: oil refinery; iron and steel mill; fertilizer, cement, and gypsum production; coke kilns; and chemical, paint, and many other ancillary plants.
(14) Although the tissue conditioners generally exhibited higher deformations and lower gypsum compatibility than specified by ADA Specification No.
(15) Dehydration conditions similar to those employed in wet calcination of gypsum appeared to be produced under atmospheric pressure when NaCl was present.
(16) (4) Different gypsum products responded differently to bonding agents.
(17) of gypsum board, lead, and plate glass at this radiation level was 1.8, 0.020, and 1.3 cm, respectively.
(18) Part I of this study considered the ability of alginate and gypsum combinations to reproduce a line on a test block.
(19) The advantages of the halo-fixateur therapy compared against extension and immobilization in Minerva gypsum are that secondary correction of positioning is possible; that functionally disturbing and extended spondylodeses are avoided; that care of the polytraumatized patient is facilitated; that X-ray films are easy to assess; and that the period of hospitalization is greatly reduced.
(20) We used a profilometer to determine the roughness average, maximum roughness, and waviness of the dies, control, gypsum, and silicone test surfaces.
Limestone
Definition:
(n.) A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble.
Example Sentences:
(1) Another pint of Guinness That evening we set out again, this time to O'Donoghue's in Fanore, a blue-painted stone pub set on the thin shelf of land between the sea and the great limestone mountain that is called the Burren.
(2) Using Koufonissi as a base, there are daily excursions by caique and ferry to nearby islands, including Iraklia, where walkers can follow a pilgrims' trail across the high lands to spectacular St John's Cave, carved into a limestone cliff.
(3) Bacterial counts did not differ between sand and crushed limestone.
(4) Earlier this year, a century-old wasteland of limestone and red dirt in south-west Nigeria was transformed into the biggest cement plant in Africa.
(5) Built on a scrubby ridge of limestone pavement, the houses of Khirbet Susiya are closely overlooked by a neighbouring Israeli settlement built on land expropriated from the villagers – illegal under international law – and, unlike the Palestinian village, connected to public services.
(6) Effects were evaluated of high dietary levels of magnesium oxide (MgO) or limestone on DM, OM and CP digestibility, N balance and intestinal absorption of amino acids by lambs fed a high concentrate diet.
(7) FIVE MORE FRENCH COASTAL GEMS Marseille grotto Facebook Twitter Pinterest Photograph: Alamy A 40-minute walk from Marseille’s Luminy university campus, Calanque de Sugiton, the most picturesque of the city’s rugged, limestone coves has blue-green waters, twisted pine trees and a narrow island-rock to swim out to known as Le Torpilleur.
(8) Limestone supplied supplemental Ca and treatment P levels were supplied by monosodium phosphate.
(9) Off the south-west coast of Ibiza stands Es Vedrà, a 400m-high limestone rock which legend suggests was the island of the Sirens who lured sailors to their deaths in Homer's Odyssey.
(10) Diets containing 25:75 corn silage to concentrates and .95% calcium from either coarse or fine limestone were fed to rumen-fistulated heifers.
(11) Treatments included control diet alone or control diet with the addition of 1.60% defluorinated rock phosphate-medium (DRP-M, 77% greater than 150 mu but less than 1,180 mu), 1.60% defluorinated rock phosphate-coarse (DRP-C, 85% greater than 850 mu but less than 1,700 mu), 1.28% limestone (92% greater than 150 mu but less than 850 mu) or .50% MgO, (81% greater than 250 mu but less than 1,180 mu), as an as-fed basis.
(12) The in vivo Ca solubilization in hens was determined by subtracting Ca recovered as limestone in the excreta (by repeated washing) from Ca fed as limestone.
(13) Detail from a Mayan limestone relief of a blood-letting ritual.
(14) Milk, flavor score was acceptable but tended to be lower for milk from cows fed sunflower seeds with additional limestone (8.4, 8.5, and 7.9).
(15) Target Field, a $545m limestone-encased jewel that opened in 2010, produced an All-Star cycle just eight batters in, with hitters showing off flashy neon-bright spikes and fielders wearing All-Star caps with special designs for the first time.
(16) A highly reactive limestone was selected for use in two digestion trials with Holstein steers.
(17) The Florida resort lies less than 10 feet above sea level; an increasing number of tropical storms are inundating the city; and it is built on a dome of porous limestone which is absorbing the rising seawater.
(18) Stand on the limestone pavement near Long Churn Cave in the Yorkshire Dales and it feels as if you are standing on top of time itself.
(19) Approximately 14 days after exploring a limestone cave in northcentral Florida in February 1973, an 18-year-old female developed a respiratory illness with pronounced shortness of breath and cyanosis.
(20) There's limestone and sandstone to the north, but Aswan's bedrock is hornblende granite.