Spectroscopy known as nuclear magnetic resonance, or NMR, is based on the interaction of an external magnetic field and the magnetic moment of an atom's nucleus.  [NMR Stopped Flow Probe](https://en.wikipedia.org/wiki/File:NMR_Stopped_Flow_Probe.png) For the study of materials, and notably glasses, solid-state NMR is a crucial technique nowadays, and because there is no order in the atomic arrangements of this amorphous substance (Glass), specialized analytical instruments are needed. A challenge that must be taken into account in order to describe and comprehend the experimental spectra of glasses is the enlargement; the structural and chemical disorder in NMR leads to an enlargement of the resonances around an average characteristic frequency since the studied interactions are local at the atomic scale. The local molecular structure of glass and its physical and chemical characteristics are closely connected; macroscopic characteristics like viscosity, chemical durability, conductivity, mechanical resistance, etc, are related directly to the proportion of non-bridging oxygen in the glass. Which implies that multiple details on the structure of oxide glasses are provided by a nucleus like oxygen17. It enables the identification of the depolymerized regions containing the alkaline and alkaline-earth ions, producing the non-bridging oxygen necessary for the compensation of the electrical charges as well as the different chemical bonds that make up the vitreous network's backbone.  [Bridging oxygen and non-bridging oxygen](https://commons.wikimedia.org/wiki/File:Modificateur_de_r%C3%A9seau.png?uselang=fr) References: - - [General and inorganic chemistry book- M. Shkhashirou- H. Birqdad- Y. Qodsi- University publications. Algeria] - Glass and Ceramic Technology Course (2021). Professor Khelifa- Department of Materials Process Engineering- University of Mostaganem. Algeria. - Les matériaux au cœur du processus d'innovation- Clefs CEA No 59. - [Neumann, Florin. "Glass: Liquid or Solid – Science vs. an Urban Legend". Archived from the original on 9 April 2007. Retrieved 8 April 2007.](https://web.archive.org/web/20070409022023/http://dwb.unl.edu/Teacher/NSF/C01/C01Links/www.ualberta.ca/~bderksen/florin.html) - Helène Tregouët. Structure et cristallisation de verres d’oxydes simples riches en bore et en terres rares. Chimie-Physique [physics.chem-ph]. Université Pierre et Marie Curie- Paris VI, 2016. Français. NNT: 2016PA066032. tel-01358710.
| author | benainouna |
|---|---|
| permlink | chemistry-of-glass-part-7 |
| category | hive-196387 |
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| created | 2023-05-27 12:07:15 |
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| root_title | "Chemistry of Glass "Part 7": NMR Spectroscopy in the Analysis of Glass." |
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| de-stem | 0 | 5,464,477,277 | 9.9% | ||
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| kgakakillerg | 0 | 19,368,708,409 | 10% | ||
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| meanbees | 0 | 44,283,037,949 | 100% | ||
| deholt | 0 | 539,039,951 | 8.5% | ||
| robmolecule | 0 | 21,476,502,069 | 10% | ||
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| pladozero | 0 | 32,867,521,124 | 10% | ||
| minerthreat | 0 | 491,740,559 | 0.4% | ||
| nateaguila | 0 | 142,337,662,453 | 5% | ||
| crypticat | 0 | 6,441,119,573 | 2% | ||
| temitayo-pelumi | 0 | 859,680,265 | 10% | ||
| andrick | 0 | 853,390,369 | 50% | ||
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| gerdtrudroepke | 0 | 10,538,084,851 | 7% | ||
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| trader27 | 0 | 20,682,256 | 100% | ||
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| orlandogonzalez | 0 | 3,024,557,777 | 25% | ||
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| pboulet | 0 | 13,665,578,207 | 8% | ||
| stem-espanol | 0 | 18,476,285,327 | 100% | ||
| cribbio | 0 | 217,737,217 | 100% | ||
| brianoflondon | 0 | 9,625,674,534 | 0.2% | ||
| giulyfarci52 | 0 | 1,697,845,512 | 50% | ||
| esthersanchez | 0 | 4,348,218,646 | 60% | ||
| kristall97 | 0 | 24,655,631,155 | 100% | ||
| steemcryptosicko | 0 | 1,463,215,617 | 0.16% | ||
| stem.witness | 0 | 555,660,728 | 10% | ||
| chipdip | 0 | 776,869,474 | 10% | ||
| double-negative | 0 | 526,891,917 | 20% | ||
| thehealthylife | 0 | 488,916,787 | 4% | ||
| jacuzzi | 0 | 576,548,201 | 0.12% | ||
| vaultec | 0 | 4,260,808,271 | 12% | ||
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| cryptofiloz | 0 | 1,286,349,926 | 0.8% | ||
| eliana-art | 0 | 1,065,131,029 | 100% | ||
| robibasa | 0 | 27,583,125,999 | 10% | ||
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Congratulations @benainouna! You have completed the following achievement on the Hive blockchain And have been rewarded with New badge(s) <table><tr><td><img src="https://images.hive.blog/60x70/http://hivebuzz.me/@benainouna/payout.png?202305271525"></td><td>You received more than 500 HP as payout for your posts, comments and curation.<br>Your next payout target is 1000 HP.<br><sub>The unit is Hive Power equivalent because post and comment rewards can be split into HP and HBD</sub></td></tr> </table> <sub>_You can view your badges on [your board](https://hivebuzz.me/@benainouna) and compare yourself to others in the [Ranking](https://hivebuzz.me/ranking)_</sub> <sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub> To support your work, I also upvoted your post!
| author | hivebuzz |
|---|---|
| permlink | notify-benainouna-20230527t155142 |
| category | hive-196387 |
| json_metadata | {"image":["http://hivebuzz.me/notify.t6.png"]} |
| created | 2023-05-27 15:51:42 |
| last_update | 2023-05-27 15:51:42 |
| depth | 1 |
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| root_title | "Chemistry of Glass "Part 7": NMR Spectroscopy in the Analysis of Glass." |
| beneficiaries | [] |
| max_accepted_payout | 1,000,000.000 HBD |
| percent_hbd | 10,000 |
| post_id | 123,889,040 |
| net_rshares | 0 |
<div class='text-justify'> <div class='pull-left'> <img src='https://stem.openhive.network/images/stemsocialsupport7.png'> </div> Thanks for your contribution to the <a href='/trending/hive-196387'>STEMsocial community</a>. Feel free to join us on <a href='https://discord.gg/9c7pKVD'>discord</a> to get to know the rest of us! Please consider delegating to the @stemsocial account (85% of the curation rewards are returned). You may also include @stemsocial as a beneficiary of the rewards of this post to get a stronger support. <br /> <br /> </div>
| author | stemsocial |
|---|---|
| permlink | re-benainouna-chemistry-of-glass-part-7-20230528t005031285z |
| category | hive-196387 |
| json_metadata | {"app":"STEMsocial"} |
| created | 2023-05-28 00:50:30 |
| last_update | 2023-05-28 00:50:30 |
| depth | 1 |
| children | 0 |
| last_payout | 2023-06-04 00:50:30 |
| cashout_time | 1969-12-31 23:59:59 |
| total_payout_value | 0.000 HBD |
| curator_payout_value | 0.000 HBD |
| pending_payout_value | 0.000 HBD |
| promoted | 0.000 HBD |
| body_length | 565 |
| author_reputation | 22,463,635,119,853 |
| root_title | "Chemistry of Glass "Part 7": NMR Spectroscopy in the Analysis of Glass." |
| beneficiaries | [] |
| max_accepted_payout | 1,000,000.000 HBD |
| percent_hbd | 10,000 |
| post_id | 123,902,683 |
| net_rshares | 0 |
hiveblocks