standard conductivity

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• Conductivity (electrolytic) — The conductivity (or specific conductance) of an electrolyte solution is a measure of its ability to conduct electricity. The SI unit of conductivity is siemens per meter (S/m). Conductivity measurements are used routinely in many industrial and… …   Wikipedia

• Thermal conductivity — In physics, thermal conductivity, k, is the property of a material that indicates its ability to conduct heat. It appears primarily in Fourier s Law for heat conduction.First, we define heat conduction by the formula::: H=frac{Delta Q}{Delta t}=k …   Wikipedia

• Electrical resistivity and conductivity — This article is about electrical conductivity in general. For the specific conductance of aqueous solutions, see Conductivity (electrolytic). For other types of conductivity, see Conductivity. Electrical resistivity (also known as resistivity,… …   Wikipedia

• Hydraulic conductivity — Hydraulic conductivity, symbolically represented as K, is a property of vascular plants, soil or rock, that describes the ease with which water can move through pore spaces or fractures. It depends on the intrinsic permeability of the material… …   Wikipedia

• Electrical conductivity meter — An electrical conductivity meter. An electrical conductivity meter (EC meter) measures the electrical conductivity in a solution. Commonly used in hydroponics, aquaculture and freshwater systems to monitor the amount of nutrients, salts or… …   Wikipedia

• IACS —    an abbreviation for International Annealed Copper Standard, a measure of conductivity used to compare electrical conductors to a traditional copper wire standard. Conductivity is expressed as a percentage of the standard. 100% IACS represents… …   Dictionary of units of measurement

• Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… …   Wikipedia

• Zamak — ingot Zamak (formerly trademarked as ZAMAK[1] and also known as Zamac) is a family of alloys with a base metal of zinc and alloying elements of aluminium, magnesium and copper. Zamak alloys are part of the zinc al …   Wikipedia

• Oxygen-free copper — The CuOFP capsule used as overpack for spent nuclear fuel disposal in the KBS 3 concept (Finnish version) Oxygen free copper (OFC) or Oxygen free high thermal conductivity (OFHC) copper generally refers to a group of wrought high conductivity… …   Wikipedia

• Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …   Wikipedia

• Silver — This article is about the chemical element. For the color, see Silver (color). For other uses, see Silver (disambiguation). palladium ← silver → cadmium …   Wikipedia