The Clarke number of fluorine is about 0.03%, which is about half of that of sulfur, one-sixth of that of chlorine and almost equal to that of nitrogen and rubidium. This suggests that fluorine should ...
Phosphazenium compounds are a new class of catalyst that are extremely efficient in the anionic polymerisation of PO and EO, initiated by hydroxyl groups [34-38, 144-146]. The general formula of a ...
The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...