Contribucions de l'usuari Leyo

27 març 2023

• 13:2313:23, 27 març 2023 dif. hist. −13 m Àcid levulínic format Etiqueta: editor visual

7 feb 2023

• 22:0122:01, 7 feb 2023 dif. hist. −2 m Dissolvent SVG

30 maig 2022

• 18:2318:23, 30 maig 2022 dif. hist. 0 m Àcid levulínic SVG
• 15:1915:19, 30 maig 2022 dif. hist. −1 m Àcid levulínic SVG

3 nov 2021

• 15:1915:19, 3 nov 2021 dif. hist. −1 m Aerogenerador Ecotècnia fix

11 des 2019

• 22:5322:53, 11 des 2019 dif. hist. 0 m Ultraviolat →Degradació dels polímers, pigments i tints: fix

10 set 2019

• 13:4813:48, 10 set 2019 dif. hist. +27 m Glucosamina SVG
• 13:4413:44, 10 set 2019 dif. hist. +27 m Quitosan SVG

14 ago 2018

• 23:0423:04, 14 ago 2018 dif. hist. −2 m Mostassa sulfurada (GR) File renamed: File:Bis-(2-chlorethylthio)-methan.svg → File:Bis(2-chlorethylthio)methan.svg incorrect nomenclature
• 23:0323:03, 14 ago 2018 dif. hist. −2 m Mostassa sulfurada (GR) File renamed: File:Bis-(2-chlorethylthiomethyl)-ether.svg → File:Bis(2-chlorethylthiomethyl)ether.svg incorrect nomenclature

4 gen 2018

• 02:4602:46, 4 gen 2018 dif. hist. −4 m Districte administratiu de Berna-Mittelland (GR) File:Vechigen-new coat of arms.png → File:Vechigen-coat of arms.svg officially provided CoA, SVG
• 02:4602:46, 4 gen 2018 dif. hist. −4 m Vechigen (GR) File:Vechigen-new coat of arms.png → File:Vechigen-coat of arms.svg officially provided CoA, SVG

1 oct 2017

• 20:5920:59, 1 oct 2017 dif. hist. +12 m Acondrita (GR) File:Meteorite Recovery Antarctica.jpg → File:Meteorite Recovery Antarctica (retouched).jpg retouched
• 20:5920:59, 1 oct 2017 dif. hist. +12 m ANSMET (GR) File:Meteorite Recovery Antarctica.jpg → File:Meteorite Recovery Antarctica (retouched).jpg retouched

22 ago 2017

• 13:4013:40, 22 ago 2017 dif. hist. 0 m Graeme James Souness (GR) File:Souness.png → File:Souness.jpg improved JPG version

21 ago 2017

• 21:2221:22, 21 ago 2017 dif. hist. 0 Agència Europea de Productes Químics logo

22 oct 2016

• 21:4321:43, 22 oct 2016 dif. hist. 0 m Fraser Stoddart (GR) File:Rotaxane Crystal Structure EurJOrgChem page2565 year1998.jpg → File:Rotaxane Crystal Structure EurJOrgChem page2565 year1998.png PNG version

26 jul 2016

• 10:4110:41, 26 jul 2016 dif. hist. +2 m Atac suïcida a Ansbach de 2016 better version

7 abr 2016

• 09:4509:45, 7 abr 2016 dif. hist. +2 m Aminoàcid anàleg fotoreactiu SVG
• 09:2909:29, 7 abr 2016 dif. hist. −22 Aminoàcid anàleg fotoreactiu SVG

17 gen 2016

• 03:2503:25, 17 gen 2016 dif. hist. 0 m Imida (GR) File:Phthalimide.png → File:Phthalimide.svg replacing pixelated low resolution PNG
• 03:2503:25, 17 gen 2016 dif. hist. 0 m Ftalimida (GR) File:Phthalimide.png → File:Phthalimide.svg replacing pixelated low resolution PNG

7 set 2015

• 23:0423:04, 7 set 2015 dif. hist. +36 Euchilichthys image

9 ago 2015

• 22:1122:11, 9 ago 2015 dif. hist. −4 m 2-Metilpropanal (GR) File renamed: File:2-Methyl-2-propanal structural formulae.png → File:2-Methylpropanal structural formula.png previous file name was chemically incorrect

28 jul 2015

• 21:4221:42, 28 jul 2015 dif. hist. 0 m Tortuga carei (GR) File renamed: File:鼈甲 祭器.JPG → File:鼈甲 祭器.jpg file name generates errors and is invisible in the upload log
• 21:4221:42, 28 jul 2015 dif. hist. 0 m Carei (GR) File renamed: File:鼈甲 祭器.JPG → File:鼈甲 祭器.jpg file name generates errors and is invisible in the upload log

8 jul 2015

• 10:0810:08, 8 jul 2015 dif. hist. +22 m Polietilè (GR) File:Polietileno.jpg → File:Polyethylene-repeat-2D.png higher quality and resolution
• 10:0810:08, 8 jul 2015 dif. hist. +11 m Ciència de materials (GR) File:Polietileno.jpg → File:Polyethylene-repeat-2D.png higher quality and resolution
• 10:0810:08, 8 jul 2015 dif. hist. +11 m Grau de polimerització (GR) File:Polietileno.jpg → File:Polyethylene-repeat-2D.png higher quality and resolution

18 maig 2015

• 00:2100:21, 18 maig 2015 dif. hist. +15 L-Alfa Glicerilfosforilcolina correct image

15 març 2015

• 23:5623:56, 15 març 2015 dif. hist. 0 m Wang E (GR) File renamed: File:Wanf E - Gathering of Plum Blossoms in the Snow.jpg → File:Wang E - Gathering of Plum Blossoms in the Snow.jpg spelling error

5 des 2014

• 12:1612:16, 5 des 2014 dif. hist. +50 Conveni d'Estocolm logo

7 nov 2014

• 00:2500:25, 7 nov 2014 dif. hist. −19 m Al·lantoïna (Script) File:Allantoin chemical structure.svg → File:Allantoin.svg Structure drawn considering conventions and style guidelines in chemistry

28 jul 2014

• 22:5222:52, 28 jul 2014 dif. hist. +30 Adipat image

2 juny 2014

• 20:3120:31, 2 juny 2014 dif. hist. +14 Contaminant orgànic persistent replacing incorrect isomer
• 20:2720:27, 2 juny 2014 dif. hist. +10 Heptaclor replacing incorrect isomer
• 19:3019:30, 2 juny 2014 dif. hist. −167 Contaminant orgànic persistent replacing incorrect isomer
• 19:2519:25, 2 juny 2014 dif. hist. +7 Clordà replacing incorrect isomer

27 maig 2014

• 23:2923:29, 27 maig 2014 dif. hist. 0 m Endrina (Script) File:Endrin.png → File:Endrin.svg correct isomer

19 març 2014

• 21:3521:35, 19 març 2014 dif. hist. +13 Contaminant orgànic persistent the previous isomer was incorrect
• 21:3421:34, 19 març 2014 dif. hist. +13 Endosulfan the previous isomer was incorrect

29 set 2013

• 09:4009:40, 29 set 2013 dif. hist. −6 m Spheniscus File renamed: File:508px-African.penguin.bristol.750pix (Pingstone).jpg → File:African.penguin.bristol.750pix (Pingstone).jpg incorrect move to Commons (thumbnail instead of full version) was fixed

8 ago 2013

• 23:3423:34, 8 ago 2013 dif. hist. 0 m Cèl·lula File:Cellulose strand.jpg → File:Cellulose strand.svg SVG is of higher quality
• 23:3323:33, 8 ago 2013 dif. hist. 0 m Biopolímer File:Cellulose strand.jpg → File:Cellulose strand.svg SVG is of higher quality

21 juny 2013

• 17:5817:58, 21 juny 2013 dif. hist. +13 m Llista de rosegadors i lagomorfs del Solsonès File renamed: File:DSCF3604.jpg → File:Microtus arvalis hand.jpg non-meaningful name

25 maig 2013

• 18:1118:11, 25 maig 2013 dif. hist. −1 Federació Internacional de Futbol Associació logo version with a sensible protection zone

28 gen 2013

• 10:2710:27, 28 gen 2013 dif. hist. −39 m Cetona File:Friedel-Crafts acylation of benzene by ethanol chloride.png → File:Benzen acylowany.svg low quality, incorrect name; per commons:Commons:Deletion requests/File:Friedel-Crafts acylation of benzene by ethanol chloride.png
• 10:2710:27, 28 gen 2013 dif. hist. −39 m Reacció d'acilació File:Friedel-Crafts acylation of benzene by ethanol chloride.png → File:Benzen acylowany.svg low quality, incorrect name; per commons:Commons:Deletion requests/File:Friedel-Crafts acylation of benzene by ethanol chloride.png

13 set 2012

• 09:5809:58, 13 set 2012 dif. hist. +47 Colibrí cua de tisora image

5 set 2012

• 13:0813:08, 5 set 2012 dif. hist. +1 m Aldehid png → svg