When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Nelson complexity index - Wikipedia

    en.wikipedia.org/wiki/Nelson_complexity_index

    5] Where: is a complexity factor; is a unit capacity; is a capacity of crude distillation unit; is a number of all units; The NCI assigns a complexity factor to each major piece of refinery equipment based on its complexity and cost in comparison to crude distillation, which is assigned a complexity factor of 1.0.

  3. Sunflower oil - Wikipedia

    en.wikipedia.org/wiki/Sunflower_oil

    Unrefined sunflower oil with sunflower inflorescence Sunflower oil Sunflower (Helianthus annuus) seeds Refined high-oleic sunflower oil. Sunflower oil is the non-volatile oil pressed from the seeds of the sunflower (Helianthus annuus).

  4. Silicone oil - Wikipedia

    en.wikipedia.org/wiki/Silicone_oil

    Consumer products to control flatulence often contain silicone oil. [citation needed] Silicone oils have been used as a vitreous fluid substitute to treat difficult cases of retinal detachment, such as those complicated with proliferative vitreoretinopathy, large retinal tears, and penetrating ocular trauma. [4]

  5. Oil well - Wikipedia

    en.wikipedia.org/wiki/Oil_well

    The pumpjack, such as this one located south of Midland, is a common sight in West Texas. An oil well is a drillhole boring in Earth that is designed to bring petroleum oil hydrocarbons to the surface.

  6. Liquefied petroleum gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_petroleum_gas

    These specifications are published by the Gas Processors Association (GPA) [10] and the American Society of Testing and Materials. [11] Propane/butane blends are also listed in these specifications. Propylene , butylenes and various other hydrocarbons are usually also present in small concentrations such as C 2 H 6 , CH 4 , and C 3 H 8 .