Sentence examples for catalyst up from inspiring English sources

Such selectivity was higher than that exhibited by a commercial Pt/SiO2 catalyst (up to 92%).

A simple dependence between the catalyst activity and the coke content on the catalyst (up to 17 wt% for significant time-on-stream) was tested.

In this study, a thermally stable palladium catalyst (up to 440 °C) was designed from sporopollenin, which occurs naturally in the outer exine layer of pollens and is widely acknowledged as chemically very stable and inert biological material.

It is possible to recycle the diatomite KOH catalyst up to three times.

They have also reported that the reactivity increases with the addition of catalyst up to 6 wt%.

The stability tests demonstrated good catalytic performance stability of the synthesized catalyst up to 50 h in the reaction.

At 280 ºC, the isomer yields are highest for both catalysts, up to 74.45 % for CA-modified SAPO-11 and 70.04 % for HCl-modified SAPO-11, respectively.

This zeolitic SCR (selective catalytic reduction) catalyst extends the maximum operating temperature for the reduction of NOx using NH3 from ca. 425°C for standard V2O5/TiO2 (V/Ti) catalysts up to ca. 600°C.

While Sonogashira coupling is mediated by II-A-type catalysts, up-hill trans-to-cis isomerization of cyanostilbene and dimerization of α-methylstyrene follow the energy transfer processes (B).

Scale-up of the enzymatic reactions (1 g-scale at 0.25 M) and catalyst recycling (up to 10 cycles) have been successfully achieved.

An exhaust catalyst cleans up emissions, and an ample muffler lets you slip past the neighbors almost undetected.