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.
Hear ye! Hear ye! Nibiru, the fictitious planet in the hyped-up 2012 doomsday scare, is not real! This putative world has made a big splash in the human imagination and cyberspace, but thereâs not the slightest trace of a ripple of it upon our solar system and planet Earth.ut, if such an object did exist near us in space, we would see it â just as we can see those other real planets. Image Credit: totuga767. If it did exist, Nibiruâs orbit would be highly unstable. Nibiru supposedly has an orbital period of 3,600 Earth-years.