resistance of flow
121Paul Richard Heinrich Blasius — Infobox Scientist name = Paul Richard Heinrich Blasius image width = caption = birth date = August 9 1883 birth place = Berlin, Germany death date = April 24 1970 death place = Hamburg, Germany residence = citizenship = German nationality =… …
122Darcy, Henri-Philibert-Gaspard — ▪ French engineer born June 10, 1803, Dijon, France died Jan. 3, 1858, Paris French hydraulic engineer who first derived the equation (now known as Darcy s law) that governs the laminar (nonturbulent) flow of fluids in homogeneous, porous… …
123heavy oil and tar sand — Introduction crude oils (crude oil) below 20° API gravity are usually considered to be heavy. The lighter conventional crudes are often waterflooded to enhance recovery. The injection of water into the reservoir helps to maintain reservoir… …
124Mohamed Ghonim — Ghonim, Mohammed A محمد غنيم Born 17th March, 1939 Mansoura, Egypt Nationality Egyptian Fields …
125basalt — ALASKA VOLCANO OBSERVATORY GLOSSARY Volcanic rock (or lava) that characteristically is dark in color, contains 45% to 54% silica, and generally is rich in iron and magnesium. GLOSSARY OF VOLCANIC TERMS A dark colored (usually dark grey, dark… …
126rhyolite — ALASKA VOLCANO OBSERVATORY GLOSSARY Volcanic rock (or lava) that characteristically is light in color, contains 69% silica or more, and is rich in potassium and sodium. GLOSSARY OF VOLCANIC TERMS A volcanic rock containing greater than 68% silica …
127viscosity — noun (plural ties) Etymology: Middle English viscosite, from Anglo French viscosité, from Medieval Latin viscositat , viscositas, from Late Latin viscosus viscous Date: 14th century 1. the quality or state of being viscous 2. the property of… …
128Polymer — Appearance of real linear polymer chains as recorded using an atomic force microscope on surface under liquid medium. Chain contour length for this polymer is 204 nm; thickness is 0.4 nm.[1] A polymer is a large molecule (macromolecule …
