Sentence examples for presence of rust from inspiring English sources

Officials figured that a reason it looked that way was the presence of rust.

The presence of rust could not only block active sites leading to partial loss of activity, but also increase the surface acidity, which would induce side reactions and decrease the selectivity of propylene oxide.

The presence of surface rust tends to impede the flow of electric current and the diffusion of iron ions is reduced, thereby decreasing the rate of corrosion.

Equilibrium thermodynamic calculations, however, predict very little reactivity of magnetite, goethite, or ferrihydrite alone towards N2 and anaerobic experiments in the presence of green rust at ambient T, p conditions corroborate these predictions [80].

Fusiform rust (Cronartium quercuum Berk. Miyable ex Shirai f. sp. fusiforme) susceptibility was assessed as gall volume (Rust_gall_vol) and presence or absence of rust (Rust_bin) (Kayihan et al. 2005; Kayihan et al. 2010).

The FTIR spectra of rust samples revealed the presence of Fe3−xO4 as the major phase in both inner and outer layers of rusts on all the rail steels.

Obviously, the presence of ferrous iron in the green rust lattice causes its oxidation under open-air conditions.

Zinc is a very active metal and it gives white rust in the presence of moisture and air [1, 2, 3, 4].

In June scientists announced they had found four new mutations of rust (making seven in all) and Mr Pretorius confirmed its presence in a harmful form in South Africa.This could mark a final stage before disaster strikes.

Future work is needed to confirm the presence of ferrosic hydroxides or natural green rusts in actively venting low temperature sulfur-free springs by collecting samples of the associated iron hydroxide material in anaerobic chambers.

PNC will inherit nearly $20 billion of losses on bad mortgage and other troubled loans, lifting its presence in Rust Belt states like Ohio and Michigan just as the economy starts worsening.