Sentence examples for increasing platinum from inspiring English sources
It was shown that PtC electrode activity increases with increasing platinum content of the catalyst and depends largely on the kind of carbon carrier.
Niobium oxidic species formed on mesoporous material surface, due to their strong interaction with platinum, prevented from sintering of the latter during reduction, thus increasing platinum dispersion.
Optimization results show a substantial increase in the fuel cell performance achieved by increasing platinum loading and reaching a Nafion mass fraction around 20 30 wt.% in the catalyst layer.
At low current densities, performance is mainly improved by increasing platinum loading to values above 1 mg cm−2, moderate values of electrolyte volume fraction, 0.5, and low porosity, 0.1.
Normalized turnover frequency (TOF divided by the length of the perimeter of the metal support interface) increases by three orders of magnitude with increasing platinum crystallite size from 0.9 to 16.8 nm.
In studies with human ovarian cell lines, it has been shown that increasing levels of reduced GSH are associated with increasing platinum resistance (Mistry et al, 1991).
We have designed a loco-regional delivery system to increase platinum levels in the lymphatics, where early metastasis is most likely to occur, while reducing systemic toxicities.
Here, it is shown that hierarchical optimization can increase platinum utilization 30-fold over existing catalyst layer designs while maintaining power densities over 0.35 W/cm2.
It was found that it is futile to increase platinum deposits just through extending the deposition time.
Progressively increased platinum addition into the alloys results in (1) improvement in the resistance to oxide spallation, (2) reduction in oxidation of nickel, (3) lower stresses in the α-Al2O3 scale and (4) more planar oxide/alloy interfaces.
Moreover, elevated numbers of CD56+ T cells in the ascites compartment are correlated with increased platinum sensitivity [3].
