Written By: Alkylation, in petroleum refining, chemical process in which light, gaseous hydrocarbons are combined to produce high-octane components of gasoline. The light hydrocarbons consist of olefins such as propylene and butylene and isoparaffins such as isobutane.
Five years in the making, it was the most expensive nature documentary series ever commissioned by the BBC and also the first to be filmed in high definition. Planet Earth premiered on 5 March 2006 in the United Kingdom on BBC One, and by June 2007 had been shown in 130 countries.The series comprises eleven episodes, each of which features a global overview of a different biome or habitat on Earth.At the end of each fifty-minute episode, a ten-minute featurette takes a behind-the-scenes look at the challenges of filming the series.he series comprises eleven episodes, each of which features a global overview of a different biome or habitat on Earth. At the end of each fifty-minute episode, a ten-minute featurette takes a behind-the-scenes look at the challenges of filming the series.
The  Earth  is a planet. It is a spherical-shaped mass of matter in time and space. The  world  is the specific set of conditions prevailing upon the face of the planet Earth at a specific point in Biblical time.he old world was the first generation of the heaven and the Earth (Genesis 1:1). The heavens and Earth  which are now  are the second generation of the heavens and the Earth. It is the same planet Earth but different worlds upon the face of the same planet.