Sentence examples for modification by phosphorus from inspiring English sources

In catalysis, the physicochemical changes caused by modification by phosphorus can be either promotional or poisonous.

Furthermore, it was found that after modification by phosphorus Fe2+ could not be reduced to Fe at low temperatures.

On the other hand, it has been reported that modification by phosphorus of the mesoporous material MCM-41 led to significant hydrothermal stabilization.

Therefore, it is suggested that modification by phosphorus of H-ZSM-5 inhibits the bimolecular cracking mechanism in alkane cracking and the aromatic-based cycle in methanol-to-hydrocarbon reactions.

This can be observed in one study on H-MCM-22, where, after modification by phosphorus, a decrease in the formation of enyl carbenium ions is observed during the MTH reaction.

Nevertheless, an important suggestion to make is that although modification by phosphorus alters the acidity of zeolites, it appears that a change in topology plays a major role in their selective properties as well, especially reducing the presence of aromatics in the product stream.

Evidence for the aggregation of zeolite particles by phosphorus modification can be found in the literature as well and it has been suggested that phosphorus promotes the self-annealing of external Si OH groups.

During the modification with phosphorus of zeolites by wet impregnation, phosphorus species are deposited on the external surface before entering the zeolite channels.

GOs associated with protein modification, transcription, phosphorus and nitrogen metabolic processes, were significantly down-regulated by heat stress.

He said the fires were caused by phosphorus bombs and missiles.

Zinc availability to hemp can be decreased by phosphorus fertilization.