capacitance box
81HDMI — (High Definition Multimedia Interface) …
82Electric charge — SI symbol: Q SI quantity dimension: Q SI unit: coulomb other units: e Derivations from other quantities: Q = I · …
83Hydrology — Water covers 70% of the Earth s surface. Hydrology is the study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability. A… …
84Mu-metal — Five layer mu metal box. Each layer is about 5 mm thick. It reduces the Earth s magnetic field inside by about 1500 times. Mu metal is a nickel iron alloy (approximately 77% nickel, 16% iron, 5% copper and 2% chromium or molybdenum) …
85Operational amplifier — A Signetics μa741 operational amplifier, one of the most successful op amps. An operational amplifier ( op amp ) is a DC coupled high gain electronic voltage amplifier with a differential input and, usually, a single ended output.[1] An op amp… …
86Machine-readable medium — In telecommunication, a machine readable medium (automated data medium) is a medium capable of storing data in a machine readable format that can be accessed by an automated sensing device and capable of being turned into (practically in every… …
87T-carrier — In telecommunications, T carrier, sometimes abbreviated as T CXR , is the generic designator for any of several digitally multiplexed telecommunications carrier systems originally developed by Bell Labs and used in North America, Japan, and Korea …
88Magnetic flux — This article is about magnetic flux. For the magnetic field B (magnetic flux per area), see magnetic flux density. For the magnetic field H , see H field. Electromagnetism …
89Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …
90ECT — may be an abbreviation for * Environmental Compliance Technician, a specialist hired by companies to reduce their environmental damage and avoid fines. * Electroconvulsive therapy, also known as electroshock therapy, a medical treatment. *… …
