Sentence examples for both catalysts a substantial from inspiring English sources
It was also concluded that the Ni/SiZr sample seems to be more resistant to deactivation however, for both catalysts a substantial amount of carbon exists on the catalytic surface in the shape of carbon nanotubes and amorphous carbon.
Consecutive recycling and successful reuse proved the stability and true heterogeneous nature of all the anchored catalysts, which is a substantial advancement over the existing heterogeneous catalysts for carbonylation.
Both include a substantial amount of practice.
Palladium was present in the form of Pd(0) in the new catalyst examined, while a substantial fraction of it was converted into PdO in the corresponding spent catalyst.
It was found that, as expected, phase distribution in the catalyst bed had a substantial impact on production rate; a faulty feed distribution system can cost approximately 20% in overall steady-state product conversion.
The simultaneous actions of performing the reaction in the presence of Pd-based membrane and optimization of employed catalyst could lead to a substantial reduction in the operating reaction temperature, decreasing the extent of reactions responsible for coke formation.
This report demonstrates FSC certification is a catalyst for substantial advances that both reduce the pressures on biodiversity and allow indigenous and local populations to benefit from ecosystem services.
A substantial percentage of catalyst particles (75%), amounting to approximately 200 million nanofibers over a 100 mm Si wafer substrate, exhibited a sixfold symmetry attributed to a cubic Ni(1 1 1)∥Si(0 0 1) orientation relationship which was verified by X-ray diffraction studies.
In all cases any further increase in the feed water content beyond the optimum value would result in a substantial loss in catalyst that could also be predicted by ANN. Figure 4 presents the propane conversions and product selectivities for PDH at 620 °C with various amounts of methanol added to the feed.
Catalytic data showed that the catalyst was not very active after the first oxygen activation but after a reduction step there was a substantial increase in the catalyst activity.
Both gross and microscopic morphology confirmed a substantial steatosis.
