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  • [[File:60kV Feedthrough.jpg|thumb|60 kV vacuum feedthrough on a [[Vacuum flange#CF (Conflat)|conflat flange]]]] ...ble pressure difference across its length. Systems that operate under high vacuum, such as [[electron microscope]]s, require electrical connections through t ...
    2 KB (330 words) - 07:14, 11 December 2023
  • ...may make possible processes that could not be done in the presence of air. Vacuum engineering techniques are widely applied in materials processing such as d ...als, pumps and measuring instruments can be used, whereas ultrahigh vacuum systems use specialized equipment to achieve pressures below one-millionth of one P ...
    15 KB (2,262 words) - 16:44, 30 October 2023
  • ...e transformer can be a fusible switch, or may be a circuit breaker using [[vacuum]] or gas-insulated interrupters. The unit may also include [[protective re * Distribution Automation Handbook // Elements of power distribution systems – [[ABB]] ...
    2 KB (325 words) - 06:20, 25 June 2023
  • ...ption|Physical constant; ratio of electric to magnetic field strength in a vacuum}} ...[[magnetic field]]s of [[electromagnetic radiation]] travelling through [[Vacuum#In electromagnetism|free space]]. That is, ...
    8 KB (1,224 words) - 18:49, 8 December 2023
  • {{For|articles related to vacuum energy|Quantum vacuum (disambiguation)}} ...Scientific American. 1997. FOLLOW-UP: What is the 'zero-point energy' (or 'vacuum energy') in quantum physics? Is it really possible that we could harness th ...
    14 KB (2,057 words) - 16:50, 6 February 2024
  • ...eplace transistors in the same way that transistors replaced [[Vacuum tube|vacuum tubes.]]<ref>{{cite web|last1=Singer|first1=Michael|title=HP's "Crossbar La ...functionality of a half adder, which is the foundation of modern computing systems. <ref>{{cite web|url=http://www.google.com/patents?id=zrB_AAAAEBAJ&dq=72037 ...
    5 KB (814 words) - 04:28, 3 March 2024
  • ...manufacturing, [[microelectromechanical systems]], [[nanoelectromechanical systems]], and [[microscopy]]. Free [[electron]]s in a [[vacuum]] can be manipulated by [[Electric field|electric]] and [[magnetic field]]s ...
    9 KB (1,242 words) - 16:23, 2 August 2023
  • * [[Vacuum cleaner]] === Computer systems === ...
    7 KB (895 words) - 16:21, 8 January 2024
  • [[File:Vacuum interrupter.jpg|thumb|Vacuum interrupter with ceramic housing.]] ...hed. Vacuum interrupters are widely used in utility [[power transmission]] systems, [[Electricity generation|power generation]] unit, and [[Electric power dis ...
    17 KB (2,420 words) - 00:17, 6 March 2024
  • ...was replaced by PACs (Programmable Automated Controls) and modern computer systems. Sensors to read the index of a meter were added to further automate the pr ...capable of transmitting proofs as well as other important data to database systems across a computer network. ...
    5 KB (766 words) - 19:21, 1 June 2023
  • ...s. For portable radios, [[hearing aid]]s and similar equipment, [[Battery (vacuum tube)#B battery|''B batteries'']] were manufactured with various voltage ra ...e=":0" /> As tubes began to be replaced by [[transistor]] based electrical systems, the need to generate such high voltages began to diminish. Mechanical vibr ...
    7 KB (1,083 words) - 17:02, 1 January 2024
  • {{short description|System that manages the behavior of other systems}} ...r controlling [[Process (engineering)|processes]] or machines. The control systems are designed via [[control engineering]] process. ...
    8 KB (1,099 words) - 15:33, 24 November 2023
  • ...treated as an extension of thickness, Sauerbrey’s equation only applies to systems in which the following three conditions are met: the deposited mass must be ...Crystal Microbalance Theory and Calibration |publisher=[[Stanford Research Systems]] / Lambda Photometrics Limited |url=https://www.lambdaphoto.co.uk/pdfs/SRS ...
    6 KB (943 words) - 22:34, 12 August 2023
  • ...easuring instruments such as [[voltmeter]]s or [[oscilloscope]]s. In audio systems, a high-impedance input may be required for use with devices such as [[micr ...high impedance load from the [[amplifier]] to which they are connected. [[Vacuum tube]] amplifiers, and [[field effect transistor]]s more easily supply high ...
    4 KB (597 words) - 00:26, 26 February 2024
  • {{about|the electric constant|the analogous magnetic constant|Vacuum permeability|the ordinal number &epsilon;<sub>0</sub>|Epsilon numbers (math ...ace''', the '''electric constant''', or the distributed capacitance of the vacuum. It is an ideal (baseline) [[physical constant]]. Its [[CODATA]] value is: ...
    17 KB (2,646 words) - 22:47, 29 December 2023
  • content navigation systems ...management, design, and technical skills for the design and integration of systems, the execution of new product designs, the improvement of manufacturing pro ...
    10 KB (998 words) - 19:22, 5 November 2023
  • ...50-151]}}</ref><ref name=Tryon1973>[[Edward P. Tryon]], "Is the Universe a Vacuum Fluctuation?", ''[[Nature (journal)|Nature]]'', vol. 246, p.396–397, 1973.< .... In particular, a problem arises due to energy associated with coordinate systems co-rotating with the entire universe.<ref name=Berman2009/> A first constra ...
    10 KB (1,599 words) - 17:04, 6 December 2023
  • ...[[Maxwell's equations in curved spacetime]] or non-rectilinear coordinate systems. ...|diag(+1, −1, −1, −1)}}. Where the equations are specified as holding in a vacuum, one could instead regard them as the formulation of Maxwell's equations in ...
    25 KB (3,600 words) - 17:34, 4 February 2024
  • [[Vacuum]] is an alternative for gas in some applications. ...s, e.g. helium or nitrogen.<ref>{{cite book|author=Paul G. Slade|title=The vacuum interrupter: theory, design, and application|url=https://books.google.com/b ...
    11 KB (1,362 words) - 00:43, 2 March 2023
  • ...8 December 2018}}</ref> The [[mass gap]] is the spectral gap between the [[vacuum]] and the lightest particle. A [[Hamiltonian (quantum mechanics)|Hamiltoni ...ng |first2=Yichen |title=Correlation Length versus Gap in Frustration-Free Systems |journal=Physical Review Letters |date=3 March 2016 |volume=116 |issue=9 |p ...
    5 KB (618 words) - 03:40, 6 January 2024
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