On the one hand, because of its catalytic activity, it still cannot surpass platinum, on the other hand, its harsh synthesis conditions are difficult to scale up.
On the one hand, because its catalytic activity still can not surpass platinum, on the other hand, its synthesis conditions are harsh and difficult to enlarge the preparation
On the one hand, its catalytic activity is still unable to surpass that of platinum, on the other hand, its synthesis conditions are harsh and it is difficult to scale up<br>