Sentence examples for iron occurs from inspiring English sources

However, only 0to9%9% of solid phase iron occurs as Fe sulfides, with approximately 70% of the removed iron occurs as Fe III) (hydr oxides.

Based on these results, one obtained guidelines for selecting the conditions (i.e., potential and temperature) where efficient direct electrochemical reduction of magnetite ceramics to metallic iron occurs.

Metallic ores are associated with magmatic rocks thrust up from deep in the crust: magnetite iron occurs near Daşkäsän in Azerbaijan; copper and molybdenum are found in several parts of the Transcaucasian upland; several metallic ores lie in the Greater Caucasus; and manganese is found near Chiatʿura in Georgia.

Metallic ores are associated with magmatic rocks thrust up from deep in the crust: magnetite iron occurs near Daşkäsän, in Azerbaijan; copper and molybdenum are found in several parts of the Transcaucasian upland; several metallic ores lie in the Greater Caucasus; and manganese is found near Chiatura, in Georgia.

Iron occurs commonly in a variety of rock forming minerals (Spurgeon et al. 2008).

It is because rusting of iron occurs in the presence of oxygen and water.

Does Iron occur in the Solar Corona?

It was in this second shelter that the incident with the curling iron occurred.

Passivation of iron occurred even in the absence of a monomer.

This conclusion was based on the fact that no oxidation of iron occurred in culture medium typically used for A. ferrooxidans with a pH of 2, thereby excluding the growth of the moderate acidophiles that probably inhabited that mine drainage.

According to Klein[70] the average chemical compositions of BIF from 3.8 to 1.8 Ga (billion years) are very similar with a large amount of the iron occurring as Fe2+ while 95% of the total iron in Phanerozoic BIF, deposited between 0.8 to 0.6 Ga, is Fe3+.