This study presents efficient CaO/ZnO composite catalysts for biodiesel production from soybean oil, achieving 99% conversion ...

Zinc-carbon and alkaline batteries differ in energy density, lifespan, and performance across applications. Alkaline ...

While cities and towns filter out pollutants with wastewater treatment plants, like this one in Hastings, private wells aren’t regulated. Owners have to treat water on their own. (Angelina ...

In this Jan. 15, 2023, file photo, the faucet in Ana Maria Rodriguez's bathroom sink shows signs of corrosion, possibly due to nitrate pollution in Boardman, Ore. A report issued Wednesday shows ...

Mumbai: Hindustan Zinc will focus on its proposed demerger into two or more units once parent company Vedanta Limited completes its ongoing demerger into five separate entities and the Indian ...

Zinc is a trace mineral, which means you only need a very small amount of it daily. You can get this essential nutrient by eating a balanced diet, but sometimes you may need to take a zinc ...

Prepare for the CBSE Class 10 Science Board Exam 2025 with these Top 50 MCQs with Answers for last-minute revision. Covering ...

(In United States dollars, except where noted otherwise) ...

The disaster killed 22 people and spread ammonium nitrate, a toxic chemical used to ... copper, lead and zinc, for example. The report notes there were similar levels of some of these metals ...