(n.) One of a kind of minute, calcareous bodies, probably vegetable, often abundant in deep-sea mud.
Example Sentences:
(1) Three acidic polysaccharides (PS-1, PS-2, and PS-3) were extracted from the coccoliths with EDTA and were separated and purified by differential precipitation with magnesium ions and chromatography on DEAE-cellulose.
(2) Bibliographic data concerning the variability of coccosphere and coccoliths during the life-cycle of two extant Coccolithophorid species (Calcidiscus gr.
(3) The coccoliths from the species Emilania huxleyi (Lohmann) Kamptner contain a water-soluble acid polysaccharide.
(4) The method is illustrated by application to mixtures of the constituent sugars of the capsular polysaccharide from Klebsiella type 57, alpha 1-acid glycoprotein, mucus glycoproteins, and the methylated, acidic polysaccharide from the coccoliths of Emiliania huxleyi (Lohmann) Kamptner.
(5) A large-scale cultivation of the Coccolithophoridae was worked out and a new procedure for isolating coccoliths was developed.
(6) This species is useful for the study of mineralization, because it produces calcified scales known as coccoliths in homogeneous cell culture.
(7) A polysaccharide associated with coccoliths of the marine alga Emiliania huxleyi (coccoliths are elaborately shaped calcite biominerals) was isolated and its influence on the crystallization of calcium oxalate monohydrate crystals was studied.
(8) sibogae) are summarized and completed by new observations on the structure of the proximal shield by fossil coccoliths.
(9) C-occolithophoridae, a group of mostly unicellular algae, possess a cell wall containing calcified plates, called coccoliths.
(10) These observations also point out the possibility of a diachronous evolution of the two shields of the same coccolith type, underlining the necessity for a better knowledge of the proximal shield structure, usually somewhat neglected.
(11) Such intermediate coccoliths have been previously described from the Badenian (middle Miocene) of central Europe.
(12) The possible role of the polysaccharide as a heterogeneous matrix in coccolith formation is discussed.
(13) leptoporus in the latest Miocene (Messinian) assemblages from three oceanic localities (central Pacific, eastern equatorial Atlantic and southwestern Indian oceans) indicates the co-occurrence of two types of coccoliths: (1) typical C. gr.
(14) A polysaccharide with similar properties could be isolated from subfossil coccoliths of E. hyxleyi (about 1000 years old).
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.