By analogy to the term mineral, British botanist Marie C. Stopes proposed in 1935 the term maceral to describe organic constituents present in coals.
"There is growing evidence," an accompanying editorial pointed out, "that chemical constituents present in red wine confer health benefits beyond alcohol and independent of potential confounding factors".
When measurements of surface areas became possible, it was seen at once that many constituents present in minor quantities in the main catalyst material known as promoters could act by extending the effective surface area of the catalyst.
This suggests strong adsorption of the constituents present in the extract on the mild steel surface.
The organic constituents present in higher concentration undergo reduction generating unpleasant odour.
Figure 5a illustrates that tin, oxygen and phosphorous were the main constituents present in CA/TPC material.
Other unknown active constituents present in WBM leaf extract could also play critical roles in the biological effects.
In addition, individual or synergistic activity of other phenolic constituents present in the extracts might be responsible for these pharmacological activities.
A brief overview of the constituents present in Queensland CS water is made to illustrate the challenges involved and a range of treatment technologies discussed.
SI of all carbonate minerals increases with increase in ( {text{HCO}}_{3}^ ) during all seasons, due to increased groundwater recharge and subsequent dilution of chemical constituents present in groundwater.
The nanoparticles produced by bio route have good stability due to the presence of capping agents like alkaloids, flavonoids and polyphenols, which are the major constituents present in the natural sources.
