Sentence examples for calcium from inspiring English sources

Government guidelines say adults need 700mg of calcium a day (a 200ml glass of semi-skimmed milk contains 247mg).

Nickel, sulfur, sulfate and calcium were 50 to 100 times higher than natural levels.

Milk contains a range of nutrients, including calcium, phosphorous, magnesium and vitamin B12.

The molluscs produce proteins which combine with ions of calcium and carbonate in seawater.

He says that American Superconductor has developed a high-volume coating process which produces thin films that do not suffer from the grain-boundary problem and so do not need calcium doping.

Many sea-creatures, though, make their shells and skeletons out of calcium carbonate or calcium phosphate materials that dissolve in acids.

They have discovered, by good old trial and error, that replacing some of the yttrium atoms at grain boundaries with calcium atoms increases the current flow from grain to grain.

Their new superconductor, with calcium-doped grain boundaries, can carry up to ten times as much current as an undoped equivalent a surprise, considering that calcium doping throughout the entire crystal structure, rather than merely at the edges, actually reduces superconductivity.Yet not everybody is convinced.

In the 1960s the number of nesting bald-eagle couples plummeted to 417 because DDE, a compound formed by the decay of the pesticide DDT, stopped females depositing calcium in the shells of their eggs.

That is, they incorporate crystals of insoluble inorganic salts, most often calcium carbonate or calcium phosphate, in a matrix of protein.

The artificial bone, porous and coated with a thin layer of calcium phosphate, is implanted into the arm in place of the damaged bone.