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Oxygen gas and its usage in Steel Plant Oxygen is an active, life sustaining component of the atmosphere. The percentage of oxygen in air is 20.94 % by volume or 23 % by weight of the air. It is the most widely occurring element on the mother earth...

Earth From Wikipedia, the free encyclopedia This article is about the planet. For other uses, see Earth (disambiguation). Page semi-protected Earth Astronomical symbol of Earth "The Blue Marble" photograph of Earth, taken by the Apollo 17 lunar...

From variable pressure adsorption (PSA) is a technology used to separate certain types of gas from a mixture of gases under pressure according to the molecular characteristics and affinity of species for adsorbiruûŝim material. He works in Middle temperature...

If agriculture is to continue to feed the world, it needs to become more like manufacturing, says Geoffrey Carr. Fortunately, that is already beginning to happen TOM ROGERS is an almond farmer in Madera County, in California’s Central Valley. Almonds...

Crude Oil 1. Crude oil is the term for “unrefined” oil, the substance that comes out of the ground. It is also known as petroleum. Crude oil is a fossil fuel, meaning that it was made naturally from decaying plants and animals living in...