Search Results - "Ion Sandu"

New Materials and Advanced Procedures of Conservation Ancient Artifacts by Sandu, Ion

“…This Special Issue focused on scientific works on new materials and advanced procedures used in the preservation of ancient artifacts [...]…”
Get full text

Obtaining, Characterization and Applications of Advanced Materials by Sandu, Ion

“…This special issue focused on scientific works in the field of obtaining, characterization and recent applications of advanced materials, protective films,…”
Get full text

Recognition of natural silk fibers, dyes and metal threads of historical Romanian textile fragments using the multi-analytical techniques approach by Al-Sharairi, Nidal, Sandu, Irina Crina Anca, Vasilache, Viorica, Sandu, Ion

“…A multi-analytical technique approach involving the combined use of micro-invasive and nondestructive techniques was used to identify the type of fiber,…”
Get full text

Comparative archaeometric characterization of recent and historical oak (Quercus spp.) wood by Ghavidel, Amir, Hofmann, Tamás, Bak, Miklós, Sandu, Ion, Vasilache, Viorica

“…The present paper studied the chemical composition of recent and historical oak wood comparing the extractive, holocellulose, α-cellulose, lignin, and ash…”
Get full text

From thin “coffee rings” to thick colloidal crystals, through drop spreading inhibition by the substrate edge by Sandu, Ion, Fleacă, Claudiu Teodor, Dumitrache, Florian, Sava, Bogdan, Urzică, Iuliana, Dumitru, Marius

“…“Coffee rings” structures formed by the evaporation of a nanosphere colloidal drop which rests on a substrate can be grown as thick, good quality colloidal…”
Get full text

Shaping in the Third Direction: Colloidal Photonic Crystals with Quadratic Surfaces Self-Assembled by Hanging-Drop Method by Sandu, Ion, Antohe, Iulia, Fleaca, Claudiu Teodor, Dumitrache, Florian, Urzica, Iuliana, Dumitru, Marius

“…High-quality, 3D-shaped, SiO colloidal photonic crystals (ellipsoids, hyperboloids, and others) were fabricated by self-assembly. They possess a quadratic…”
Get full text

In-depth studies on the modifying effects of natural ageing on the chemical structure of European spruce (Picea abies) and silver fir (Abies alba) woods by Ghavidel, Amir, Scheglov, Anna, Karius, Volker, Mai, Carsten, Tarmian, Asghar, Vioel, Wolfgang, Vasilache, Viorica, Sandu, Ion

“…Wood is usually stable under relatively dry conditions but may still undergo slow deterioration. The type of deterioration and how these processes affect the…”
Get full text

Characterization of Archaeological European White Elm (Ulmus laevis P.) and Black Poplar (Populus nigra L.) by Amir Ghavidel, Reza Hosseinpourpia, Holger Militz, Viorica Vasilache, Ion Sandu

“…The present study aims at characterization of freshly-cut and archaeological European white elm and poplar. The archaeological elm sample was buried at a depth…”
Get full text

The Comparative Study of the State of Conservation of Two Medieval Documents on Parchment from Different Historical Periods by (Haulică), Maria Boutiuc, Florescu, Oana, Vasilache, Viorica, Sandu, Ion

“…The paper explores the potentiality of an experimental multianalytic protocol with appropriate methodology for determining the chemical and morphostructural…”
Get full text

Shaping in the Third Direction: Self-Assembly of Convex Colloidal Photonic Crystals on an Optical Fiber Tip by Hanging Drop Method by Sandu, Ion, Antohe, Iulia, Fleaca, Claudiu Teodor, Dumitrache, Florian, Urzica, Iuliana, Brajnicov, Simona, Iagaru, Romulus, Sava, Bogdan Alexandru, Dumitru, Marius

“…High-quality convex colloidal photonic crystals can be grown on the tip of an optical fiber by self-assembly using the hanging drop method. They are…”
Get full text

The Perception of the Online Teaching Process during the COVID-19 Pandemic for the Students of the Physical Education and Sports Domain by Mocanu, George Danut, Murariu, Gabriel, Iordan, Daniel Andrei, Sandu, Ion, Munteanu, Mihaela Orlanda Antonovici

“…The context of the COVID-19 pandemic required the implementation of special measures to ensure the continuity and quality of teaching in higher education. The…”
Get full text

Geopolitical changes and cultural vulnerability: Analyzing the influence on community resilience and heritage sites by SPIRIDON-URSU, Petronela, BREABĂN, Iuliana-Gabriela, SANDU, Ion

“…Geopolitics can have a significant impact on historical monuments, by destroying them, protecting them, managing them, and promoting them internationally…”
Get full text

Microstructural and Chemical Characteristics of Archaeological White Elm (Ulmus laevis P.) and Poplar (Populus spp.) by Ghavidel, Amir, Hosseinpourpia, Reza, Gelbrich, Jana, Bak, Miklós, Sandu, Ion

“…The degradation states of archaeological white elm, with an age estimation of ~350 years, and poplar, with an age approximation of ~1000–1200 years, were…”
Get full text

Investigating the Attitudes of First-Year Students of the Faculty of Physical Education and Sports of Galati towards Online Teaching Activities during the COVID-19 Pandemic by Mocanu, George Danut, Murariu, Gabriel, Georgescu, Lucian, Sandu, Ion

“…The paper identifies the perceptions of first-year undergraduate students from the Faculty of Physical Education and Sports in Galati on online teaching…”
Get full text

Analysis of the Influence of Age Stages on Static Plantar Pressure Indicators for Karate Do Practitioners (Preliminary Report) by Mocanu, George Danut, Murariu, Gabriel, Iordan, Daniel Andrei, Sandu, Ion

“…The investigation aims at static examination and determination of differences for three age groups: under 13, 13–15 years old and over 15, all practitioners of…”
Get full text

Investigation of Archaeological European White Elm (Ulmus laevis) for Identifying and Characterizing the Kind of Biological Degradation by Ghavidel, Amir, Gelbrich, Jana, Kuqo, Aldi, Vasilache, Viorica, Sandu, Ion

“…The current work aims at the study of the biological degradation of archaeological European white elm via microscopy and chemical analysis in order to identify…”
Get full text

Shaping in the Third Direction; Fabrication of Hemispherical Micro-Concavity Array by Using Large Size Polystyrene Spheres as Template for Direct Self-Assembly of Small Size Silica Spheres by Sandu, Ion, Fleaca, Claudiu Teodor, Dumitrache, Florian, Sava, Bogdan Alexandru, Urzica, Iuliana, Antohe, Iulia, Brajnicov, Simona, Dumitru, Marius

“…Silica and polystyrene spheres with a small size ratio (r = 0.005) form by sequential hanging drop self-assembly, a binary colloidal crystal through which…”
Get full text

Preservation and Restoration of an Old Wooden Icon with Complex Carved Ornaments, in a Conservation State of Precollapse by Nica, Liliana, Vasilache, Viorica, Drob, Ana, Pruteanu, Silvea, Sandu, Ion

“…Wooden icons used in liturgical activities suffer a series of evolutionary deteriorations and degradations over time, due to improper storage and use…”
Get full text

Authentication of a Painting Attributed to the Rembrandt School by Sandu, Ion, Drobota, Vasile, Drob, Ana, Sandu, Andrei Victor, Vasilache, Viorica, Iurcovschi, Cosmin Tudor, Sandu, Ioan Gabriel

“…This paper presents the archaeometric and chemometric authentication of a Renaissance-style oil painting on linen canvas, with plaster and barium…”
Get full text

Preparation of Carbon Nanotubes/Alumina Hybrid-Filled Phenolic Composite with Enhanced Wear Resistance by Saleh, Siti Shuhadah Md, Omar, Mohd Firdaus, Akil, Hazizan Md, Kudus, Muhammad Helmi Abdul, Abdullah, Mohd Mustafa Al Bakri, Sandu, Andrei Victor, Vizureanu, Petrica, Halim, Khairul Anwar Abdul, Rasidi, Mohamad Syahmie Mohamad, Mahamud, Syarifah Nuraqmar Syed, Sandu, Ion, Nosbi, Norlin

“…Hybrid fillers can be produced via various methods, such as physical mixing and chemical modification. However, there is a limited number of studies on the…”
Get full text