resistivity matrix
31Seismoelectrical Method — Basic ConceptThe Seismoelectrical method (also called the Electroseismic method or [http://www.agu.org/meetings/fm06/fm06 sessions/fm06 NS21A.html seismic electric] ) is based on the generation of electromagnetic fields in soils and rocks by… …
32Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
33industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
34Michael Roukes — Born October 9, 1953 (1953 10 09) Redwood City, California Nationality …
35Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …
36Igneous rock — Geologic provinces of the world (USGS)   Shield …
37Polytetrafluoroethylene — chembox ImageFile = Teflon structure.png ImageSize = 130px ImageFile1 = PTFE 3D vdW.png ImageSize1 = 250px IUPACName = Poly(tetrafluoroethene) SystematicName = Poly(tetrafluoroethylene) OtherNames = Teflon Section1 = Chembox Identifiers… …
38Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
39List of physics topics A-E — NOTOC A B C D E F G H I J K L M N O P Q R S T U V W X Y ZList of physics topics F L >>AAb Am* Abbe number * Abbe, Ernst * Absolute zero * Accelerating universe * Acceleration * Acoustic theory * Action (physics) * Active laser medium * Adiabatic… …
40Rho (letter) — Rho (uppercase Ρ, lowercase ρ or Unicode|ϱ) is the 17th letter of the Greek alphabet. In the system of Greek numerals it has a value of 100. It is derived from Semitic Rêš head (see Resh). Its uppercase form is not to be confused with the Roman… …
