User contributions for Eric Kvaalen

2 December 2024

• 18:1218:12, 2 December 2024 diff hist +204 User talk:Ninjatacoshell I left you a question at Talk:Acetogenesis. Please take a look. current

1 December 2024

• 18:3018:30, 1 December 2024 diff hist +382 Northwest Africa 7034 It consists of hundreds of fragments stuck together, containing both very old and very young rocks. current

30 November 2024

• 15:1815:18, 30 November 2024 diff hist −282 Acetogenesis Sometimes acetate is not produced. Negative ΔG doesn't mean exothermic. The reaction doesn't necessarily give the cell energy. Not yet in common use for biotech. Not useful for ethanol without a reducing agent. current
• 07:5707:57, 30 November 2024 diff hist +711 Talk:Acetogenesis Reduction of organic acids current
• 07:5307:53, 30 November 2024 diff hist −633 User talk:Eric Kvaalen Moving question on acetogenesis current

29 November 2024

• 18:4918:49, 29 November 2024 diff hist −82 Health effects of Bisphenol A →Cancer: Improved language

27 November 2024

• 06:0806:08, 27 November 2024 diff hist −1,409 User talk:Eric Kvaalen Question on acetogenesis

26 November 2024

• 19:5119:51, 26 November 2024 diff hist +102 Fermat's spiral The parameter a is a scaling factor affecting the size of the spiral but not its shape. current

24 November 2024

• 17:3617:36, 24 November 2024 diff hist +731 5-Methyltetrahydrofolate:corrinoid/iron-sulfur protein Co-methyltransferase Only two hydrogen atoms are transferred. Electrons are supplied by the 4FE-4S cluster. current
• 16:1916:19, 24 November 2024 diff hist −59 Carbon monoxide dehydrogenase Clarified a sentence. current

22 November 2024

• 09:3409:34, 22 November 2024 diff hist −814 Autotroph Took out some sentences that didn't make much sense and a sentence unsupported by the reference. The idea of photosynthesis arising at hydrothermal vents is just a suggestion. current

21 November 2024

• 09:0709:07, 21 November 2024 diff hist +249 Hierakonpolis Forgot a "]". All I've done is give two links to Strabo and correct the translation (supported by the English in one of the links).

20 November 2024

• 16:3316:33, 20 November 2024 diff hist +248 Hierakonpolis Link to Strabo Tag: Reverted

16 November 2024

• 10:2510:25, 16 November 2024 diff hist +47 Carbon-13 →Production: Added boiling points of methane and carbon monoxide. current
• 10:2010:20, 16 November 2024 diff hist +48 Methane My CRC Handbook gives the boiling point as -161.49°C.

11 November 2024

• 10:1110:11, 11 November 2024 diff hist +652 Busy beaver Added some more from the paper of Lin & Radó.

10 November 2024

• 09:3709:37, 10 November 2024 diff hist +243 Skynet (satellite) Links about gravity well
• 09:2109:21, 10 November 2024 diff hist +297 Geostationary orbit →Stability: The stable points are sometimes called gravitational wells.

2 November 2024

• 18:0518:05, 2 November 2024 diff hist +308 Phthalic acid →Reactions and uses: Mention of phthalates current
• 15:1115:11, 2 November 2024 diff hist −56 Gas to liquids The one reference in the section on MTG does not show alkanes being produced, but only compounds with double bonds.
• 13:4713:47, 2 November 2024 diff hist +653 Polyethylene Conversion into hydrogen
• 09:2909:29, 2 November 2024 diff hist −3 m Arne, Dorset →Toponymy: Fix'd punctuation. current
• 09:2209:22, 2 November 2024 diff hist +66 Aleksandr Lyapunov Russian spelling (showing accentuation). Moved some sentences to their original position current
• 09:1109:11, 2 November 2024 diff hist +20 Alexandria Troas "Eski Stambul" means Old Istanbul. current
• 07:1007:10, 2 November 2024 diff hist −97 Alexandria Troas →History: Corrected "Sigia". Improved the writing.

1 November 2024

• 15:5215:52, 1 November 2024 diff hist +16 Tartaric acid →Racemic tartaric acid: Balanced the reaction.

31 October 2024

• 17:1717:17, 31 October 2024 diff hist −120 El Niño–Southern Oscillation Made a sentence clearer.

26 October 2024

• 06:4706:47, 26 October 2024 diff hist +832 Talk:History of the Quran The one who massively deletes should argue his case.

25 October 2024

• 09:4109:41, 25 October 2024 diff hist +15,931 History of the Quran I came here by clicking on a link to a section "Origin according to academic_historians", and found that it no longer existed, with much having recently been deleted. I have restored much of it. Work of tohers should not be deleted so readily! Should be discussed. Tag: Reverted

22 October 2024

• 19:2719:27, 22 October 2024 diff hist +3,453 99942 Apophis Corrections and clarifications. Moved some sentences or paragraphs. Deleted a couple that didn't seem important. Added reference to "Predicting the Earth encounters of (99942) Apophis".

21 October 2024

• 18:3618:36, 21 October 2024 diff hist +36 Isotopes of carbon I forgot to give the URL.

18 October 2024

• 08:5008:50, 18 October 2024 diff hist +103 Jewish and Israeli holidays 2000–2050 The date given for Simchat Torah is for outside of Israel.

12 October 2024

• 07:0807:08, 12 October 2024 diff hist +24 Nico Marquardt The sources do not say that the Bild article was wrong about what Marquardt said, or that Marquardt denied the content of the Bild article.

10 October 2024

• 06:5806:58, 10 October 2024 diff hist −24,362 Talk:List of trigonometric identities That's quite an unfair conclusion to draw!

9 October 2024

• 08:5408:54, 9 October 2024 diff hist +2,133 Talk:List of trigonometric identities →Half-angle formulas: I can't get no ...

8 October 2024

• 11:5711:57, 8 October 2024 diff hist +338 Isotopes of carbon →Carbon-11: Also produced by fragmentation
• 11:2111:21, 8 October 2024 diff hist +481 Isotopes of carbon →Carbon-11: More detail on production

6 October 2024

• 12:2212:22, 6 October 2024 diff hist +620 Talk:List of trigonometric identities →Half-angle formulas: What motivates you?

5 October 2024

• 21:2021:20, 5 October 2024 diff hist +1,074 Talk:List of trigonometric identities →Half-angle formulas: "Wikipedia has no firm rules"

4 October 2024

• 10:2510:25, 4 October 2024 diff hist +514 Talk:List of trigonometric identities →Half-angle formulas: That's why both formulae should be given.

2 October 2024

• 19:5319:53, 2 October 2024 diff hist +569 Talk:List of trigonometric identities →Half-angle formulas: That doesn't help.

1 October 2024

• 19:3919:39, 1 October 2024 diff hist +773 Talk:List of trigonometric identities →Half-angle formulas: Why the formulae I gave are important.
• 19:2519:25, 1 October 2024 diff hist +549 Steam cracking →Process description: Added a graph and some more explanation.
• 15:0815:08, 1 October 2024 diff hist +423 Talk:List of trigonometric identities →Half-angle formulas: What is the point?
• 11:0911:09, 1 October 2024 diff hist +549 Talk:List of trigonometric identities →Half-angle formulas: Do we need a reference for everything that is said in Wikipedia?

30 September 2024

• 12:2012:20, 30 September 2024 diff hist +612 Talk:List of trigonometric identities Half-angle formulas
• 10:1810:18, 30 September 2024 diff hist +139 List of trigonometric identities →Half-angle formulae: More formulas for secant and cosecant of θ/2 Tag: Reverted

29 September 2024

• 20:4920:49, 29 September 2024 diff hist +73 List of trigonometric identities →Half-angle formulae: Similar for cos(θ/2), better when θ is near π Tag: Reverted
• 18:5618:56, 29 September 2024 diff hist +65 List of trigonometric identities →Half-angle formulae: Another formula for sin(θ/2), avoiding subtracting two similar values (at small θ) Tag: Reverted
• 08:4808:48, 29 September 2024 diff hist +19,275 Roche limit Put back most of the material that was deleted in December 2022. I came back to this article looking for some information that I saw here before, and it was all gone! If you're not interested, then don't read it, but don't delete it! Tag: Reverted