Science

Kraków (/ˈkrækaʊ, -koʊ/, also US: /ˈkreɪk-, ˈkrɑːkaʊ/, UK: /ˈkrækɒf/, Polish: ˈkrakuf), also spelled ‘Cracow’, city and capital of Małopolskie województwo (province), southern Poland, lying on…

Vanadium(V) Oxide is a highly insoluble thermally stable Vanadium source suitable for glass, optic, and ceramic applications. It is the inorganic compound with the formula V2O5. It…

An ionic liquid piston compressor, ionic compressor, or ionic liquid piston pump is a hydrogen compressor based on an ionic liquid piston instead of a…

The Electrochemical Hydrogen Compressor (EHC) is an electrochemical device, which could find a place in this scenario giving a solution for the hydrogen purification and…

Chlorine is a chemical element with the symbol Cl and atomic number 17. It is a greenish-yellow gas at room temperature and atmospheric pressure. The second-lightest of the…

Levulinic acid (LA), or 4-oxopentanoic acid, is a crystalline keto acid prepared from levulose, inulin, starch, etc., by boiling them with dilute hydrochloric or sulfuric…

Valeric acid, or pentanoic acid, is a colorless, oily liquid with an unpleasant odor. It is highly corrosive and must be handled with care. It…

Hydrogen storage is a term used for any of several methods for storing hydrogen for later use. It is a key enabling technology for the…

Bieszczady National Park (Polish: Bieszczadzki Park Narodowy) is located in the southernmost portion of Poland, it is one of the country’s largest national parks. It…

Melanterite is a mineral form of hydrous iron(II) sulfate: FeSO4·7H2O. It is a widespread green, a mostly fibrous mineral composed of hydrated ferrous sulfate. It is…

Sulfur belongs to the chalcogen family. It is a chemical element with the symbol S and atomic number 16. It is a nonmetallic chemical element…

Bieszczady Mountains (bʲɛˈʂt͡ʂadɨ) (Polish: Bieszczady; Slovak: Beščady; Ukrainian: Бещади; Hungarian: Besszádok) is a mountain range located in southeastern Poland with over 400 km of hiking…