Sentences with phrase «occurring trace element»

Not exact matches

For Derrida, signification can occur only if every element present in the presence of being is «related to something other than itself thereby keeping within itself the mark of the past element, and already letting itself be vitiated by the mark of its relation to the future element, this trace being related no less to what is called the future than to what it is called the past, and constituting what is called the present by means of this very relation to what it is not...» (MP 13).

Of the 30 or so trace elements Geotraces scientists are studying, some — such as iron and copper — are naturally occurring nutrients supplied by dust storms and deep - sea vents.

Hinshelwood also studied how various nutrients, trace elements, and toxic substances influence the chemical reactions that occur during bacterial growth, publishing more than 100 papers on this subject as well.

Yet, the full star formation and enrichment history of a galaxy can be traced directly only if two key observables can be determined... ▽ More Red giant stars are perhaps the most important type of stars for Galactic and extra-galactic archaeology: they are luminous, occur in all stellar populations, and their surface temperatures allow precise abundance determinations for many different chemical elements.

Moreover, nut flours and seed flours contain more naturally occurring vitamins, minerals and trace elements than refined wheat flour (which has to add nutrients back after processing).

Important notes: Kelp contains trace elements and metals naturally occurring in the ocean in small amounts.

These observations show that trace - element depletion can occur during embryonic development and the postnatal period.