Sentence examples for phosphatic rock from inspiring English sources

The manioc starch particles presented adhesion forces greater than those for the phosphatic rock particles for all particle sizes studied.

Finally, the separation distance among the surfaces in contact (Z0) was estimated in approximately 1.0 × 10− 9 m for the phosphatic rock and 5.0 × 10− 10 m for the manioc starch.

In order to achieve this, the adhesion of phosphatic rock (ρp = 3.090 kg m− 3) and of manioc starch particles (ρp = 1.480 kg m− 3) on a steel surface were studied.

The results obtained were compared with the theory proposed by Derjaguin, Muller and Toporov whose theoretical adhesion presented values close to the experimental data for the phosphatic rock particles adhesion on the stainless steel surface.

Wang et al. [ 129] investigated the impact of fly ash and phosphatic rock on metal stabilization and bioavailability during sewage sludge vermicomposting.

By far the largest source is phosphate rock, although some use is made of phosphatic iron ore, from which the phosphorus is obtained as a by-product from the slag.

Phosphatic grains and phosphatized bioclasts are also common.

Bakel and Philp[14] found higher concentrations of organic nitrogen compounds in oils generated from phosphatic shales relative to carbonate source rocks during hydrous pyrolysis.

Decomposition of the bodies will have enriched the burial environment in phosphate, promoting the formation of phosphatic minerals.

Whilst some shellies were originally phosphatic, in most cases the phosphate represents a replacement of the original calcite.

Moreover, high levels of phosphate and carbonate in the Ciply Phosphatic Chalk might have minimized dissolution and re-precipitation of the bone mineral.