Sentence examples for modified by phosphorus from inspiring English sources
The titanium oxide film has been deposited on Si wafers (110) by unbalance reactive magnetron sputtering and modified by phosphorus ion implantation and succeeding vacuum annealing.
After hydrothermal treatment, samples modified by phosphorus have higher catalytic activities than their non-phosphated counterparts.
After hydrothermal treatment of phosphated zeolites, it has generally been found that Brønsted acid sites are (relatively) better retained in samples modified by phosphorus than in their non-phosphated counterparts.
When considering the vast literature on zeolites modified by phosphorus, it is clear that incipient wetness impregnation (IWI) or wet impregnation (WI) is the most practised method of phosphatation.
Conversely, rates of H/D exchange for propene and adsorption of acetonitrile indicated that the remaining acid sites in H-ZSM-5 modified by phosphorus were not altered in their acid site strength.
The Brønsted/Lewis acid site ratio is found to decrease in samples modified by phosphorus, which would indicate that Lewis acid sites are not as much affected by phosphorus as Brønsted acid sites.
The catalyst pellets were composed of 63 wt% methanol synthesis component which was a zinc and chromium mixed oxide, 27 wt% methanol conversion component which was zeolite ZSM-5 modified by the addition of phosphorus (phosphorus levels 2.0 4.5 wt% of ZSM-5), and 10 wt% alumina binder.
Once high molecular weight linear poly(dichlorophosphazene) is synthesized, the polymer can be modified by substituting the phosphorus-bound chlorine atoms with organic side groups.
USY zeolites have been modified by incorporation of gallium, phosphorus and a combination of gallium and phosphorus by wetness impregnation method using gallium nitrate and ammounium phosphate diabasic, and the corresponding NiMo supported hydrodesulfurization (HDS) catalysts have been prepared for HDS of an inferior FCC diesel.
A series of HZSM-5 zeolites modified by different amounts of phosphorus (P/HZSM-5) were prepared.
The principle of the assay depends on the incubation of adenosine triphosphate with the tissue-containing enzyme and the determination of liberated inorganic phosphorus as modified by El-Aaser and El-Merzabani [ 33].
