WHILE nitrous acid (we include in this term all material that with water gives nitrous acid) is a negative catalyst in aromatic nitration generally, it has often been found to be a positive catalyst ...

Work to fix a sinkhole described as the "biggest engineering job in south Wales" in 2025 is finally drawing to a close after nearly 12 months. About 30 homes were evacuated in Merthyr Tydfil last year ...

When it comes to defense against fine lines and maintaining a healthy glow, there’s no ingredient in skincare more lauded than retinol. But how to use retinol correctly continues to befuddle even the ...

Carbonic anhydrase IX (CAIX) is overexpressed in the hypoxic tumor environment and is thought to help drive tumor progression and metastasis by generating protons that acidify the area. Therefore, ...

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