Hong Kong’s annual average of roadside nitrogen dioxide and particulate matter concentrations exceeded World Health Organization guidelines by up to 550 per cent last year despite a drop in the ...

Heterogeneous catalysts speed up chemical reactions by being in a different state than the reactants. They are efficient and ...

Researchers developed a sodium-doped amorphous SiBN catalyst, showcasing its potential for small molecule activation and ...

Transition metals have long been used as catalysts to activate small molecules and turn them into valuable products. However, ...

A 2021 ruling by the European Union's Court of Justice determined that Germany had for years "systematically and persistently" violated pollution limits and allowed excessive nitrogen dioxide to ...

The researchers first performed a two-sample Mendelian randomization study investigating the genetic causality of five air pollutants (PM2.5, PM2.5-10, PM10, nitrogen dioxide and nitrogen oxides ...

The best-performing catalyst combined moderately high graphitization with an ordered mesoporous structure (pores 2-50 nanometers in diameter) and nitrogen doping. Detailed characterization revealed ...

Heterogeneous catalysts speed up chemical reactions by being in a different state than the reactants. They are efficient and stable, even under ...

Carbon dioxide is a colorless, odorless gas that is retained in the blood when sleep disorders occur. Its chemical compound consists of one atom of carbon covalently bonded to two atoms of oxygen.

How many Broadway shows has Henry Lewis been in? Henry Lewis has appeared on Broadway in 7 shows. How many West End shows has Henry Lewis been in? Henry Lewis has appeared on London's West End in ...

The company produces atmospheric gases, including oxygen, nitrogen, and argon; process gases, such as hydrogen, helium, carbon dioxide, carbon monoxide, and syngas; and specialty gases for ...