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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1107/S1600576716017404
|2 doi
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|a pubmed25n0896.xml
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|a (NLM)28190991
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|a eng
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|a Grangeon, Sylvain
|e verfasserin
|4 aut
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| 245 |
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|a Quantitative X-ray pair distribution function analysis of nanocrystalline calcium silicate hydrates
|b a contribution to the understanding of cement chemistry
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a The structural evolution of nanocrystalline calcium silicate hydrate (C-S-H) as a function of its calcium to silicon (Ca/Si) ratio has been probed using qualitative and quantitative X-ray atomic pair distribution function analysis of synchrotron X-ray scattering data. Whatever the Ca/Si ratio, the C-S-H structure is similar to that of tobermorite. When the Ca/Si ratio increases from ∼0.6 to ∼1.2, Si wollastonite-like chains progressively depolymerize through preferential omission of Si bridging tetrahedra. When the Ca/Si ratio approaches ∼1.5, nanosheets of portlandite are detected in samples aged for 1 d, while microcrystalline portlandite is detected in samples aged for 1 year. High-resolution transmission electron microscopy imaging shows that the tobermorite-like structure is maintained to Ca/Si > 3
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|a Journal Article
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|a C–S–H
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|a calcium silicate hydrates
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|a pair distribution function
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| 650 |
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|a transmission electron microscopy
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|a Fernandez-Martinez, Alejandro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Baronnet, Alain
|e verfasserin
|4 aut
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| 700 |
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|a Marty, Nicolas
|e verfasserin
|4 aut
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| 700 |
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|a Poulain, Agnieszka
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Elkaïm, Erik
|e verfasserin
|4 aut
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|a Roosz, Cédric
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gaboreau, Stéphane
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Henocq, Pierre
|e verfasserin
|4 aut
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| 700 |
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|a Claret, Francis
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of applied crystallography
|d 1998
|g 50(2017), Pt 1 vom: 01. Feb., Seite 14-21
|w (DE-627)NLM098121561
|x 0021-8898
|7 nnns
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| 773 |
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|g volume:50
|g year:2017
|g number:Pt 1
|g day:01
|g month:02
|g pages:14-21
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|u http://dx.doi.org/10.1107/S1600576716017404
|3 Volltext
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|h 14-21
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