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August 2020

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Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Vapor–liquid equilibrium—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Materialscientist (talk) 14:38, 27 August 2020 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2020-08-27T14:38:00.000Z","author":"Materialscientist","type":"comment","level":1,"id":"c-Materialscientist-2020-08-27T14:38:00.000Z-August_2020","replies":[]}}-->

WalterSpeaksma, you are invited to the Teahouse!

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Hi WalterSpeaksma! Thanks for contributing to Wikipedia.
Be our guest at the Teahouse! The Teahouse is a friendly space where new editors can ask questions about contributing to Wikipedia and get help from experienced editors like ChamithN (talk).

Visit the Teahouse

We hope to see you there!

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16:02, 27 August 2020 (UTC)

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Image without license

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Unspecified source/license for File:C--Users-WSPIE-Desktop-Walter-PicKovatsDifference.jpg

Thanks for uploading File:C--Users-WSPIE-Desktop-Walter-PicKovatsDifference.jpg. The image has been identified as not specifying the copyright status of the image, which is required by Wikipedia's policy on images. Even if you created the image yourself, you still need to release it so Wikipedia can use it. If you don't indicate the copyright status of the image on the image's description page, using an appropriate copyright tag, it may be deleted some time after the next seven days. If you made this image yourself, you can use copyright tags like {{PD-self}} (to release all rights), {{self|cc-by-sa-4.0}} (to require that you be credited), or any tag here - just go to the image, click edit, and add one of those. If you have uploaded other images, please verify that you have provided copyright information for them as well.

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This is an automated notice by MifterBot. For assistance on the image use policy, see Wikipedia:Media copyright questions. NOTE: Once you correct this, please remove the tag from the image's page. --MifterBot ^{(Talk • Contribs • Owner)} 21:45, 21 May 2021 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2021-05-21T21:45:00.000Z","author":"Mifter","type":"comment","level":1,"id":"c-Mifter-2021-05-21T21:45:00.000Z-Unspecified_source\/license_for_File:C--Users-WSPIE-Desktop-Walter-PicKovatsDiffe","replies":[],"displayName":"Owner"}}-->

Unspecified source/license for File:C--Users-WSPIE-Desktop-Walter-PicKovatsDiifference.jpg

Thanks for uploading File:C--Users-WSPIE-Desktop-Walter-PicKovatsDiifference.jpg. The image has been identified as not specifying the copyright status of the image, which is required by Wikipedia's policy on images. Even if you created the image yourself, you still need to release it so Wikipedia can use it. If you don't indicate the copyright status of the image on the image's description page, using an appropriate copyright tag, it may be deleted some time after the next seven days. If you made this image yourself, you can use copyright tags like {{PD-self}} (to release all rights), {{self|cc-by-sa-4.0}} (to require that you be credited), or any tag here - just go to the image, click edit, and add one of those. If you have uploaded other images, please verify that you have provided copyright information for them as well.

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This is an automated notice by MifterBot. For assistance on the image use policy, see Wikipedia:Media copyright questions. NOTE: Once you correct this, please remove the tag from the image's page. --MifterBot ^{(Talk • Contribs • Owner)} 21:45, 21 May 2021 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2021-05-21T21:45:00.000Z","author":"Mifter","type":"comment","level":1,"id":"c-Mifter-2021-05-21T21:45:00.000Z-Unspecified_source\/license_for_File:C--Users-WSPIE-Desktop-Walter-PicKovatsDiiff","replies":[],"displayName":"Owner"}}-->

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File source problem with File:C--Users-WSPIE-Desktop-Walter-PicKovatsDifference.jpg

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Thank you for uploading File:C--Users-WSPIE-Desktop-Walter-PicKovatsDifference.jpg. I noticed that the file's description page currently doesn't specify who created the content, so the copyright status is unclear. If you did not create this file yourself, you will need to specify the owner of the copyright. If you obtained it from a website, please add a link to the page from which it was taken, together with a brief restatement of the website's terms of use of its content. If the original copyright holder is a party unaffiliated with the website, that author should also be credited. Please add this information by editing the image description page.

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Original research?

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At the Teahouse (a couple of months ago), you said "I created a jpeg file in Excel to explain the difference between Kovats index equations". That might be considered Original Research WP:OR. You might want to check with an experienced editor (maybe again at the Teahouse). I just noticed that since I sometimes look at old Teahouse archives for fun. Feel free to ignore this if the issue is no longer relevant! 73.127.147.187 (talk) 07:01, 12 July 2021 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2021-07-12T07:01:00.000Z","author":"73.127.147.187","type":"comment","level":1,"id":"c-73.127.147.187-2021-07-12T07:01:00.000Z-Original_research?","replies":[]}}-->