Sentence examples for a type of sand from inspiring English sources

Chambered calcareous shells formed by cephalopods and by protozoans of the order Foraminifera become so large and so numerous that the broken remains of the shells may constitute a type of sand covering large areas of tropical beaches; the pieces may also consolidate into rock.

Turns out, he says, it's partly from a type of sand, and partly from something called diatoms, fossils of prehistoric algae.

Pulmonaryor visceral leishmaniasis, also called "Kala azar" is caused by Leishmania donovani and Leishmania chagasi or infantum [ 37], is transmitted by various species of Phlebotomus, a type of sand fly [ 38].

These limestones formed principally from the accumulation of calcareous skeletons of organisms, from carbonate mud, and from ooids (a type of seafloor sand) and peloids (small sand-sized grains formed from fecal matter, algae, and mud).

Searching for more efficient membranes, a team led by Tim Merkel, a chemical engineer at Research Triangle Institute in Research Triangle Park, North Carolina, and Benny Freeman, a chemical engineer at the University of Texas, Austin, tried spiking a conventional membrane polymer with a type of fine-grained sand called fumed silica.

This paper describes the influence on the performance of the beds of: (a) the characteristics of the medium (type of sand, depth, and presence of Phragmites); (b) feed modes; and (c) the presence of an algae clogging layer.

The concrete specimens were cast from mixtures of Swedish structural Portland cement for civil engineering, natural sand (the sand was a type of siliceous gravel with size of 0 8 mm and fineness modulus of 3.82, in accordance with European standard EN 933-1 (EN 933-1 Tests for geometrical properties of aggregates)) and crushed coarse aggregate with maximum size of 16 mm.

The type of sand that you choose will have a large impact on the workability of the concrete as well as the finished strength.

For example, Mutti and Normark proposed a five-turbidite-facies scheme in 1987, mainly based on the genetic type of sand bodies.

Though simple and cost-effective, this is a low-throughput method that is largely dependent on a number of factors, such as mortar and buffer temperature, amount and type of sand, operator skill, time and amount of biomass used.

The proposal assigns a higher value to bitumen, a type of oil extracted from tar sands that has 12 to 40percentt higher lifecycle emissions than conventional types of crude oil.