unconfined
21ground water, unconfined — Water in an aquifer that has a water table. Synonymous with phreatic ground water [22] …
22uniaxial (unconfined) compression — Compression caused by the application of normal stress in a single direction …
23ground water, perched — Unconfined ground water separated from an underlying body of ground water by an unsaturated zone. Its water table is a perched water table. Perched ground water is held up by a perching bed whose permeability is so low that water percolating… …
24perched water table — Unconfined ground water separated from an underlying body of ground water by unsaturated soil or rock. It may be either temporary or permanent …
25Aquifer — Typical aquifer cross section An aquifer is a wet underground layer of water bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be usefully extracted using a water well. The study of water flow… …
26Groundwater flow equation — Used in hydrogeology, the groundwater flow equation is the mathematical relationship which is used to describe the flow of groundwater through an aquifer. The transient flow of groundwater is described by a form of the diffusion equation, similar …
27Groundwater — Shipot, a common source of drinking water in a Ukrainian village. Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an… …
28Paul Krassner — (born April 9, 1932) is an author, journalist, stand up comedian, and the founder, editor and a frequent contributor to the freethought magazine The Realist, first published in 1958. Krassner became a key figure in the counterculture of the 1960s …
29Hydrogeology — ( hydro meaning water, and geology meaning the study of the Earth) is the area of geology that deals with the distribution and movement of groundwater in the soil and rocks of the Earth s crust, (commonly in aquifers). The term geohydrology is… …
30Strength (explosive) — In explosive materials, strength is the parameter determining the ability of the explosive to move the surrounding material. It is related to the total gas yield of the reaction, and the amount of heat produced. Cf. brisance.The strength, or… …
