Sentence examples for initial substances from inspiring English sources

The first approximation of the true nature of combustion was posited by French chemist Antoine-Laurent Lavoisier: he discovered in 1772 that the products of burned sulfur or phosphorus in effect their ashes outweighed the initial substances, and he postulated that the increased weight was due to their having combined with air.

Unique properties have also copper nanoparticles (Cu NPs), which are less toxic, than ions of copper, and initial substances for a Cu NPs production is on a few orders cheaper than those that are used for the synthesis of Ag NPs.

So far, brominated flame retardants (BFRs) are not listed in this positive list and, as a consequence, they are not allowed to be used as initial substances for the manufacture of FCAs sold on the European market.

'In order to give birth to anything, you need three people,' he explains, 'a father, a mother and a midwife.' He was the chemist who provided the initial substance, or 'egg'egg

In particular, for example, the negative values of ΔS≠ would indicate that the formation of activated complex is connected with decrease of entropy, i.e. the activated complex is "more organized" structure compared to the initial substance and such reactions are classified as "slow" [23].

A prospective and longitudinal design was used to predict (1) initial substance use nine years into the future and (2) mental health one year and four years into the future.

Similarity of the EGA spectra is observed throughout the analysed process; the wave numbers are identical and they characterize the existence of the same compounds which result from total breakdown of the initial active substances.

Summing up the additive model developed within this study seems to be able to reliably predict the SFE values of polymer coats according to the cationomer chain structures which are controlled by the types of initial reacting substances.

The respective substances (initial reactant concentration: 0.1 mM) were tested in a final volume of 10 l in phosphate buffer.

EFSA scientists based their conclusions on the data submitted for the substances' initial market approval, as well as later laboratory and field studies.

Based upon the limitations of the current EPA EDSP ESB, we concur with the Agency's Scientific Advisory Panel's recommendation that after the initial set of substances has been screened, the EDSP ESB should pause so that the results can be fully analyzed to determine the value of the existing assays.