Acoustic impedance: Revision history

30 January 2024

• curprev 16:3816:38, 30 January 2024‎ Dondervogel 2 talk contribs‎ m 18,883 bytes +7‎ tweak undo
• curprev 16:3716:37, 30 January 2024‎ Dondervogel 2 talk contribs‎ 18,876 bytes +7‎ emphasise distinction between unit and symbol by adding the symbol in parentheses undo
• curprev 16:1816:18, 30 January 2024‎ Quondum talk contribs‎ 18,869 bytes +55‎ fmt undo
• curprev 16:0516:05, 30 January 2024‎ Quondum talk contribs‎ 18,814 bytes +5‎ fmt undo

27 July 2023

• curprev 14:0714:07, 27 July 2023‎ Kvng talk contribs‎ 18,809 bytes −29‎ Reverted good faith edits by 194.250.98.243 (talk): I get Pa / ( s x m ) undo Tags: Twinkle Undo

24 July 2023

• curprev 07:4307:43, 24 July 2023‎ 194.250.98.243 talk‎ 18,838 bytes +29‎ →‎Characteristic acoustic impedance undo Tag: Reverted

21 May 2023

• curprev 15:0815:08, 21 May 2023‎ Dondervogel 2 talk contribs‎ m 18,809 bytes −19‎ →‎See also: circular redirect undo
• curprev 15:0615:06, 21 May 2023‎ Dondervogel 2 talk contribs‎ m 18,828 bytes −16‎ →‎Relationship: simplify undo
• curprev 13:3413:34, 21 May 2023‎ Arjayay talk contribs‎ m 18,844 bytes −4‎ Duplicate word removed undo

20 May 2023

• curprev 17:4917:49, 20 May 2023‎ Dondervogel 2 talk contribs‎ 18,848 bytes +4‎ →‎Acoustic ohm: = undo
• curprev 16:3716:37, 20 May 2023‎ Seventh Ward Dragon talk contribs‎ m 18,844 bytes −4‎ overlinked undo Tag: 2017 wikitext editor
• curprev 16:3516:35, 20 May 2023‎ Seventh Ward Dragon talk contribs‎ 18,848 bytes +488‎ No edit summary undo Tag: 2017 wikitext editor

26 February 2023

• curprev 04:3304:33, 26 February 2023‎ Dan Harkless talk contribs‎ m 18,360 bytes 0‎ →‎External links: Alphabetized. undo Tag: 2017 wikitext editor

3 February 2023

• curprev 15:0715:07, 3 February 2023‎ Kvng talk contribs‎ 18,360 bytes +80‎ Adding local short description: "Opposition that a system presents to an acoustic pressure", overriding Wikidata description "quotient of average sound pressure at a surface and sound volume flow rate through that surface" undo Tag: Shortdesc helper

4 January 2023

• curprev 16:2716:27, 4 January 2023‎ Pores'n'bubbles talk contribs‎ m 18,280 bytes −1‎ spelling in ref undo
• curprev 16:2616:26, 4 January 2023‎ Pores'n'bubbles talk contribs‎ m 18,281 bytes +26‎ →‎Characteristic specific acoustic impedance: doi added undo
• curprev 16:1116:11, 4 January 2023‎ Pores'n'bubbles talk contribs‎ m 18,255 bytes −114‎ Publishers and locations corrected; style uniform undo

24 December 2022

• curprev 09:5409:54, 24 December 2022‎ RL0919 talk contribs‎ 18,369 bytes −107‎ Undid revision 1127905382 by Iluvendan (talk) original research, see Wikipedia:Articles for deletion/Mechanical quantity undo Tag: Undo

20 December 2022

• curprev 15:3215:32, 20 December 2022‎ 107.189.32.220 talk‎ 18,476 bytes +7‎ →‎Acoustic impedance: The original text confused resistance and reactance. Edit to clarify that the reactive part of the impedance has no net energy flow, hence the "imaginary" component undo Tag: Visual edit

17 December 2022

• curprev 08:5808:58, 17 December 2022‎ Iluvendan talk contribs‎ 18,469 bytes +107‎ No edit summary undo Tag: Reverted

12 December 2022

• curprev 11:4011:40, 12 December 2022‎ Pores'n'bubbles talk contribs‎ m 18,362 bytes +230‎ →‎Characteristic specific acoustic impedance: ref added undo

3 June 2022

• curprev 13:4113:41, 3 June 2022‎ Kvng talk contribs‎ 18,132 bytes +27‎ add Mechanical impedance as suggested at Talk:Acoustic_impedance#Mechanical_impedance undo

27 December 2021

• curprev 16:2816:28, 27 December 2021‎ Kvng talk contribs‎ 18,105 bytes −31‎ has multiple sources undo

29 November 2021

• curprev 23:3323:33, 29 November 2021‎ Trappist the monk talk contribs‎ m 18,136 bytes −97‎ cite repair; undo
• curprev 23:2823:28, 29 November 2021‎ Urve talk contribs‎ 18,233 bytes −16‎ cite error undo
• curprev 22:4822:48, 29 November 2021‎ Achmorrison talk contribs‎ 18,249 bytes +461‎ Added citations. undo Tag: Visual edit

14 September 2021

• curprev 23:0023:00, 14 September 2021‎ Kvng talk contribs‎ 17,788 bytes +1‎ lead: formatting. add links. undo

16 August 2021

• curprev 21:1821:18, 16 August 2021‎ Spinningspark talk contribs‎ 17,787 bytes +8‎ →‎top: rayl is not used anywhere in this article except here in the lead so the note is pointless undo

23 July 2021

• curprev 14:3614:36, 23 July 2021‎ Dondervogel 2 talk contribs‎ m 17,779 bytes +1‎ rv good faith edit - not an improvement (rayl is not SI) undo Tag: Undo
• curprev 12:5012:50, 23 July 2021‎ Kvng talk contribs‎ 17,778 bytes −1‎ consistent terminology undo Tag: Reverted

28 June 2021

• curprev 17:2417:24, 28 June 2021‎ Comp.arch talk contribs‎ m 17,779 bytes +2‎ No edit summary undo Tag: 2017 wikitext editor

11 May 2021

• curprev 19:4919:49, 11 May 2021‎ Kvng talk contribs‎ 17,777 bytes −64‎ rm redundant tag undo

2 March 2021

• curprev 01:4501:45, 2 March 2021‎ Tom.Reding talk contribs‎ 17,841 bytes +23‎ +{{Authority control}} (1 ID from Wikidata), WP:GenFixes on undo Tag: AWB

22 April 2020

• curprev 06:2406:24, 22 April 2020‎ Spinningspark talk contribs‎ 17,818 bytes −28‎ Reverted good faith edits by HJRAIDA (talk): Not directly relevant (TW) undo Tag: Undo

21 April 2020

• curprev 19:4619:46, 21 April 2020‎ HJRAIDA talk contribs‎ 17,846 bytes +28‎ →‎See also undo Tag: Visual edit

5 February 2020

• curprev 18:5218:52, 5 February 2020‎ RockMagnetist talk contribs‎ 17,818 bytes −928‎ →‎Characteristic specific acoustic impedance: removed material copied from https://www.animations.physics.unsw.edu.au/jw/sound-impedance-intensity.htm per WP:DCV undo

7 October 2019

• curprev 14:1014:10, 7 October 2019‎ Spinningspark talk contribs‎ 18,746 bytes −34‎ Reverted good faith edits by Eassin (talk): Not an analogy (TW) undo Tag: Undo

4 October 2019

• curprev 22:0322:03, 4 October 2019‎ Eassin talk contribs‎ m 18,780 bytes +34‎ →‎External links undo Tag: Visual edit

28 September 2019

• curprev 00:4700:47, 28 September 2019‎ GoingBatty talk contribs‎ m 18,746 bytes +345‎ General fixes undo Tag: AWB

16 June 2019

• curprev 00:4400:44, 16 June 2019‎ 2003:e3:6f2c:f151:a4ef:c94b:efed:7c13 talk‎ 18,401 bytes −9‎ →‎Acoustic impedance: Added link to explain the reactive power flow undo

24 March 2019

• curprev 15:3515:35, 24 March 2019‎ AnomieBOT talk contribs‎ m 18,410 bytes +464‎ Dating maintenance tags: {{Unreferenced section}} {{One source}} {{Refimprove}} {{Original research}} {{Cn}} undo
• curprev 13:3413:34, 24 March 2019‎ 2601:246:ca80:3cb5:6ce8:2318:cd88:8ffd talk‎ 17,946 bytes +180‎ Added cols to "See also". Noted table as unsourced, and marked remaining article, to call attention to content where it is either attributable to Kinsler (but unclear form placememnt of inline citations), or is WP:OR or is drawn from another unnamed source. undo
• curprev 13:0213:02, 24 March 2019‎ 2601:246:ca80:3cb5:6ce8:2318:cd88:8ffd talk‎ 17,766 bytes +19‎ →‎Mathematical definitions: Did the same for other occurrences where source of materila is unclear. Placed template messages at equivalent points in article, to where previous editor had placed Kinsler citations (i.e., after introductory statement, before mathematical treatment derived from source (stated or unstated). undo
• curprev 12:5412:54, 24 March 2019‎ 2601:246:ca80:3cb5:6ce8:2318:cd88:8ffd talk‎ 17,747 bytes +21‎ →‎Acoustic impedance: Noting parts of section that do not cite Kinsler, and that are thus unsourced, and potentiall WP:OR. undo
• curprev 12:5012:50, 24 March 2019‎ 2601:246:ca80:3cb5:6ce8:2318:cd88:8ffd talk‎ 17,726 bytes +29‎ There is a significant problem in this article with plagiarism and original research. The article was rewritten almost entirely by editor "Maggyero" from March to November 2015, at which time [1] material that earlier referenced Richard Cobbold "Foundations of Biomedical Ultrasound" was left in, but the reference was removed (moving the article toward plagiarism), and [2] large swaths of material were placed without clear attribution (making large parts WP:OR). undo

28 February 2019

• curprev 05:4705:47, 28 February 2019‎ 118.209.109.66 talk‎ 17,697 bytes +2‎ No edit summary undo

19 December 2018

• curprev 16:0016:00, 19 December 2018‎ 97.68.126.162 talk‎ 17,695 bytes +2‎ No edit summary undo
• curprev 15:5815:58, 19 December 2018‎ 97.68.126.162 talk‎ 17,693 bytes −2‎ No edit summary undo

2 October 2018

• curprev 19:3019:30, 2 October 2018‎ Ryan mud talk contribs‎ m 17,695 bytes +2‎ grammatical error undo Tag: Visual edit

19 March 2018

• curprev 08:1008:10, 19 March 2018‎ Dondervogel 2 talk contribs‎ 17,693 bytes −106‎ Undid revision 831178917 by 1.136.110.202 (talk) undo Tag: Undo