f Standards and Technology, data.nist.gov (Standard Reference / public data, DCAT/NERDm). {"@context":["https://data.nist.gov/od/dm/nerdm-pub-context.jsonld",{"@base":"ark:/88434/mds016kpx7"}],"_schema":"https://data.nist.gov/od/dm/nerdm-schema/v0.7#","_extensionSchemas":["https://data.nist.gov/od/dm/nerdm-schema/pub/v0.7#/definitions/PublicDataResource"],"@type":["nrdp:PublicDataResource","dcat:Dataset"],"@id":"ark:/88434/mds016kpx7","title":"NIST Visible Cement Dataset","contactPoint":{"hasEmail":"mailto:dale.bentz@nist.gov","fn":"Dale Bentz"},"modified":"2013-09-25","status":"available","ediid":"FF429BC178758B3EE0431A570681E858228","landingPage":"http://visiblecement.nist.gov","description":["Dataset of 3-D microstructures obtained by x-ray microtomography at the ESRF facility in Grenoble, France. Materials investigated including hydrating cement paste, hydrating Plaster of Paris, and a typical building brick."],"keyword":["cement; Plaster of Paris; microstructure; brick"],"topic":[],"references":[{"@type":["deo:BibliographicReference"],"@id":"#ref:publication/get_pdf.cfm?pub_id=860382","refType":"IsSupplementTo","location":"http://ws680.nist.gov/publication/get_pdf.cfm?pub_id=860382","_extensionSchemas":["https://data.nist.gov/od/dm/nerdm-schema/bib/v0.7#/definitions/DCiteReference"]}],"accessLevel":"public","license":"https://www.nist.gov/open/license","inventory":[{"forCollection":"","childCount":3,"descCount":3,"byType":[{"forType":"dcat:Distribution","childCount":3,"descCount":3},{"forType":"nrdp:AccessPage","childCount":3,"descCount":3}],"childCollections":[]}],"components":[{"accessURL":"http://visiblecement.nist.gov/cement.html","format":{"description":"Web site with links to data and analysis programs"},"description":"Cement pastes were prepared from Cement and Concrete Reference Laboratory (CCRL) cement 133, issued in June of 1999. Complete information on this cement can be found in the NIST Cement Images database. Cement pastes with w/c ratios between 0.3 and 0.45 were prepared and viewed after various hydration times.","title":"Cement Paste Data","@type":["nrdp:AccessPage","dcat:Distribution"],"@id":"#cement.html","_extensionSchemas":["https://data.nist.gov/od/dm/nerdm-schema/pub/v0.7#/definitions/AccessPage"]},{"accessURL":"http://visiblecement.nist.gov/plaster.html","description":"Plaster of Paris was prepared from a commercial locally-available source with a water-to-solids mass ratio of 1.0. One sample of the dry powder was prepared and paste samples were viewed after various hydration times.","title":"Plaster of Paris Data","@type":["nrdp:AccessPage","dcat:Distribution"],"@id":"#plaster.html","_extensionSchemas":["https://data.nist.gov/od/dm/nerdm-schema/pub/v0.7#/definitions/AccessPage"]},{"accessURL":"http://visiblecement.nist.gov/brick.html","description":"Brick Data","title":"Brick Data","@type":["nrdp:AccessPage","dcat:Distribution"],"@id":"#brick.html","_extensionSchemas":["https://data.nist.gov/od/dm/nerdm-schema/pub/v0.7#/definitions/AccessPage"]}],"publisher":{"@type":"org:Organization","name":"National Institute of Standards and Technology"},"language":["en"],"bureauCode":["006:55"],"programCode":["006:052"],"version":"1.0.0"},