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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 ε<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