Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Ramona Marina Grigorescu"'
Autor:
Rodica-Mariana ION, Miron ZAPCIU, Monica COSTEI (MARINCA), Lorena IANCU, Ramona Marina GRIGORESCU
Publikováno v:
Annals: Series on engineering sciences (Academy of Romanian Scientists), Vol 16, Iss 2, Pp 17-23 (2024)
Historic buildings represent an ensemble of related to architecture, materials and technology of the era in which they were built and contribute to the knowledge of contemporary ones. Materials resulting from the demolition of old buildings, such a
Externí odkaz:
https://doaj.org/article/ef14fd9ebd8c435780adeb6bedb657a0
Autor:
Rodica-Mariana Ion, Ancuta-Elena Pungoi, Lorena Iancu, Ramona Marina Grigorescu, Gabriel Vasilievici, Anca Irina Gheboianu, Sofia Slamnoiu-Teodorescu, Elvira Alexandrescu
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5755 (2024)
In this paper, based on our previous expertise on ceramic artifacts, several archaeometric methods applied to some samples collected from the Dudești archaeological site (Oltenia region, Romania) are reported for the first time in the literature. Th
Externí odkaz:
https://doaj.org/article/be4bddc037a04d34b2a9c915c69ae7a6
Autor:
Rodica-Mariana Ion, Ramona Marina Grigorescu, Lorena Iancu, Madalina Elena David, Adriana Cirstoiu, Georgiana Iulia Paraschiv, Maria Geba
Publikováno v:
Heritage, Vol 5, Iss 3, Pp 2241-2257 (2022)
Paper aging and protection processes play an essential function in the preservation of library collections and archives. In this study, some physical-mechanical properties of paper samples from XXth century books (private collections), such as pH aci
Externí odkaz:
https://doaj.org/article/c60c6d45f6ae4b0992d33655b8f4f3c2
Autor:
Rodica Mariana Ion, Lorena Iancu, Madalina Elena David, Ramona Marina Grigorescu, Bogdan Trica, Raluca Somoghi, Sorina Florentina Vasile, Ioana Daniela Dulama, Anca Irina Gheboianu, Sorin Tincu
Publikováno v:
Heritage, Vol 3, Iss 3, Pp 941-964 (2020)
The aim of this paper is to analyze the construction materials (mortars) of an architectural monument (Deserted Tower (Lilly Tower) from Corvins’ Castle, Romania). The mortars were characterized following a multidisciplinary approach, combining mac
Externí odkaz:
https://doaj.org/article/764ce486e62b458fa0f35f319e89491d
Autor:
Rodica-Mariana Ion, Lorena Iancu, Ramona Marina Grigorescu, Sofia Slamnoiu-Teodorescu, Ioana Daniela Dulama, Ioan Alin Bucurica
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2124 (2023)
Currently, approximately 70% of paintings in museum collections are affected by the presence of metallic soaps, evidenced by spherical globules visible on the surface of the paintings. They are responsible for altering the paintings’ surface throug
Externí odkaz:
https://doaj.org/article/60ee422681b24658a94e55ca2cf313fe
Autor:
Madalina Elena David, Rodica-Mariana Ion, Ramona Marina Grigorescu, Lorena Iancu, Mariana Constantin, Raluca Maria Stirbescu, Anca Irina Gheboianu
Publikováno v:
Nanomaterials, Vol 12, Iss 12, p 1990 (2022)
In this work, new treatments based on multi-walled carbon nanotubes (MWCNTs), MWCNTs decorated with zinc oxide (ZnO), MWCNTs decorated with hydroxyapatite (HAp) and MWCNTs decorated with silver (Ag) nanoparticles dispersed in PHBHV solution are propo
Externí odkaz:
https://doaj.org/article/4ed091a652774767ac9b8463019420ab
Autor:
Mădălina Elena DAVID, Ramona Marina GRIGORESCU, Lorena IANCU, Elena Ramona ANDREI, Rodica-Mariana ION
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 44, Iss 1 (2021)
The aim of this study was to address one of the major challenges of the conservation state of wooden artifacts or artworks namely, the preservation and restoration of wood surfaces. The factors involved in the deterioration of wood are mainly the ext
Externí odkaz:
https://doaj.org/article/3be27be91ba9443aa41fe95ca63ceeaa
Autor:
Madalina Elena David, Rodica Mariana Ion, Lorena Iancu, Ramona Marina Grigorescu, Alina Maria Holban, Raluca Somoghi, Adrian Ionut Nicoara, Bogdan Spurcaciu, Anca Irina Gheboianu
Publikováno v:
Chemistry Proceedings, Vol 7, Iss 1, p 64 (2022)
Worldwide, one of the most significant threats to human health problems remains antibiotic resistance [...]
Externí odkaz:
https://doaj.org/article/5867a624b4a747c88fdf55cca5570cd0
Autor:
Madalina Elena David, Rodica Mariana Ion, Ramona Marina Grigorescu, Lorena Iancu, Alina Maria Holban, Florin Iordache, Adrian Ionut Nicoara, Elvira Alexandrescu, Raluca Somoghi, Sofia Teodorescu, Anca Irina Gheboianu
Publikováno v:
Nanomaterials, Vol 12, Iss 2, p 239 (2022)
This research focuses on the synthesis of multi-walled carbon nanotubes (MWCNTs) decorated with TiO2 nanoparticles (NPs) and incorporated in cellulose acetate-collagen film in order to obtain a new biomaterial with potential biomedical applications a
Externí odkaz:
https://doaj.org/article/93ae103363434b60bfe86087b690870f
Autor:
Rodica-Mariana Ion, Tebello Nyokong, Nnamdi Nwahara, Ioana-Raluca Suica-Bunghez, Lorena Iancu, Sofia Teodorescu, Ioana Daniela Dulama, Raluca Maria Stirbescu, Anca Gheboianu, Ramona Marina Grigorescu
Publikováno v:
Heritage Science, Vol 6, Iss 1, Pp 1-12 (2018)
Abstract Over centuries, the external factors such as fire, low temperature, light or microbiological agents, act on the wood and induce some degradation processes, sometimes irreversible, identified by discoloration, fragility and unsightly appearan
Externí odkaz:
https://doaj.org/article/653df43357be4af29293b47e4478883b