LONDON, England, Sept. 2 -- Royal Society Open Science, a peer-reviewed journal that says it covers science and mathematics, published research articles, including the following topics, in its September 2021 edition:

Chemistry:

* Pre-combustion gas separation by ZIF-8-polybenzimidazole mixed matrix membranes in the form of hollow fibres--long-term experimental study

* Intermolecular hydrogen bond ruptured by graphite with different lamellar number