Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Ana Fernández Jiménez"'
Publikováno v:
Informes de la Construccion, Vol 53, Iss 478, Pp 71-79 (2002)
Externí odkaz:
https://doaj.org/article/ca9d7229f1dc42988ad84a84e9826268
Publikováno v:
Molecules, Vol 28, Iss 22, p 7651 (2023)
This paper examined how the amount (5% or 20%) and type (CaSO4 or Na2SO4) of sulphate salt affect the hydration of calcium sulphoaluminate clinker (KCSA). The mechanical behavior of the pastes was determined at 1, 3, 28, and 90 days, the heat flow an
Externí odkaz:
https://doaj.org/article/2e6eaee59c044ddd8adcb65751f1ba11
Autor:
Ana Fernández Jiménez
Publikováno v:
HUMAN REVIEW. International Humanities Review / Revista Internacional de Humanidades. 12:1-20
La presente investigación tiene como objetivo demostrar la relación de la mejora del rendimiento académico y dominio de tres competencias digitales: manejo de información digital y comunicación en el entorno digital, colaboración y, creación d
Autor:
Ana Fernández Jiménez
Publikováno v:
HUMAN REVIEW. International Humanities Review / Revista Internacional de Humanidades. 11:1-17
This paper focuses on contributing to a better understanding of the study of Digital Competencies, Digital Skills in Higher Education. First, we have developed a descriptive analysis of journals and authors to understand the meaning of digital compet
Publikováno v:
Frontiers in Materials, Vol 6 (2019)
This paper is wholly committed to resource efficiency through the valorization of waste from other industries, and more specifically fly ash as a raw material to produce concrete-like geopolymers. In particular, this study aimed to determine the effe
Externí odkaz:
https://doaj.org/article/89dedafdbcf04b72a130d74926376a8c
Publikováno v:
Frontiers in Materials, Vol 6 (2019)
The mechanical performance of a hybrid cement containing 48% fly ash, 48% mineralized belite clinker, 1. 5% gypsum and 2.5% Na2SO4 was analyzed and the hydration products were identified. The findings showed that the newly designed cement met Europea
Externí odkaz:
https://doaj.org/article/1f0f892bafc246de8ab5c9ed6ad81d3d
Autor:
Andrés Caño, José Antonio Suárez-Navarro, Francisca Puertas, Ana Fernández-Jiménez, María del Mar Alonso
Publikováno v:
Materials; Volume 16; Issue 7; Pages: 2677
The manufacture of Portland cement entails high energy and environmental costs, and various solutions have been implemented in recent years to mitigate this negative impact. These solutions include improvements in the manufacture of cement clinker or
Autor:
Nuno Cristelo, João Coelho, Mafalda Oliveira, Nilo Cesar Consoli, Ángel Palomo, Ana Fernández-Jiménez
Publikováno v:
Applied Sciences, Vol 10, Iss 6, p 2084 (2020)
Mine tailings (MT) could represent a step forward in terms of the quality of the aggregates usually used in civil engineering applications, mostly due to its high density. The Portuguese Neves Corvo copper mine, owned by the Lundin Mining Corporation
Externí odkaz:
https://doaj.org/article/f33015200ba54a3489cb9eba6fd55431
Autor:
Angela D’Elia, Daniela Pinto, Giacomo Eramo, Rocco Laviano, Angel Palomo, Ana Fernández-Jiménez
Publikováno v:
Applied Sciences, Vol 10, Iss 7, p 2203 (2020)
The present study explores the effect of activating solution concentration (4, 6 and 8 M NaOH) on mechanically and thermally pre-treated carbonate-high illite clay (LCR). Pastes were prepared with an alkaline solution/clay (S/B) ratio of 0.55, which
Externí odkaz:
https://doaj.org/article/f98ca7f91f5e42b4823eb222baf04374