Search Results - "Ionut Andrei Apopei"

Investigating the Role of Microclimate and Microorganisms in the Deterioration of Stone Heritage: The Case of Rupestrian Church from Jac, Romania by Ilieș, Dorina Camelia, Apopei, Andrei-Ionuț, Mircea, Cristina, Ilieș, Alexandru, Caciora, Tudor, Zharas, Berdenov, Barbu-Tudoran, Lucian, Hodor, Nicolaie, Turza, Alexandru, Pereș, Ana Cornelia, Hassan, Thowayeb H, Safarov, Bahodirhon, Noje, Ioan-Cristian

“…Natural stone can undergo disaggregation from various causes, including physical actions such as freeze–thaw cycles, temperature and humidity variations,…”
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Preserving Cultural Heritage: Enhancing Limestone Durability with Nano-TiO2 Coating by Ilieș, Dorina Camelia, Apopei, Andrei-Ionuț, Ilieș, Alexandru, Caciora, Tudor, Zharas, Berdenov, Hodor, Nicolaie, Turza, Alexandru, Hassan, Thowayeb H., Barbu-Tudoran, Lucian, Pereș, Ana Cornelia, Ratiu, Mariana, Safarov, Bahodirhon, Bilalov, Bahadur, Gligor, Emil-Traian

“…External and internal microclimatic conditions, biodeterioration, anthropogenic factors, etc, influence the natural stone support for artifacts and built…”
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Micro-Raman—A Tool for the Heavy Mineral Analysis of Gold Placer-Type Deposits (Pianu Valley, Romania) by Andreea Elena Maftei, Andrei Buzatu, Gheorghe Damian, Nicolae Buzgar, Harald G. Dill, Andrei Ionut Apopei

“…In the current study, different heavy minerals typical of gold placer deposits were identified by means of micro-Raman spectroscopy, and their chemical…”
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Hydrothermal Sphalerites from Ore Deposits of Baia Mare Area by Gheorghe Damian, Andrei Buzatu, Andrei Ionuţ Apopei, Floarea Damian, Andreea Elena Maftei

“…Sphalerite is an abundant mineral in the hydrothermal deposits from the Baia Mare and Oaș areas (northwestern Romania). Sphalerite samples were analyzed with…”
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New Mineral Occurrences in Massive Sulfide Deposits from Mănăilă, Eastern Carpathians, Romania by Gheorghe Damian, Andrei Ionuț Apopei, Andrei Buzatu, Andreea Elena Maftei, Floarea Damian

“…The massive sulfide deposits (VMS) from Mănăilă are associated with the metamorphic formations of the Tulgheș Lithogroup from the Bucovinian Nappes of the…”
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In situ Raman spectroscopy at the Voroneţ Monastery (16th century, Romania): New results for green and blue pigments by Buzgar, Nicolae, Buzatu, Andrei, Apopei, Andrei-Ionuţ, Cotiugă, Vasile

“…The Voroneţ Monastery is one of the greatest cultural treasures of Romania, dating from the 15th century. In the present study, the green and blue pigments of…”
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Valentinite and Colloform Sphalerite in Epithermal Deposits from Baia Mare Area, Eastern Carpathians by Gheorghe Damian, Andrei Buzatu, Ionut Andrei Apopei, Zsolt László Szakács, Ioan Denuț, Gheorghe Iepure, Daniel Bârgăoanu

“…Valentinite forms through the alteration of stibnite in sulphide deposits. Colloform sphalerite is a widespread mineral in low-temperature deposits,…”
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Efflorescent sulfates from Baia Sprie mining area (Romania) — Acid mine drainage and climatological approach by Buzatu, Andrei, Dill, Harald G., Buzgar, Nicolae, Damian, Gheorghe, Maftei, Andreea Elena, Apopei, Andrei Ionuț

“…The Baia Sprie epithermal system, a well-known deposit for its impressive mineralogical associations, shows the proper conditions for acid mine drainage and…”
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Characterization and source of Cucuteni black pigment (Romania): vibrational spectrometry and XRD study by Buzgar, Nicolae, Apopei, Andrei Ionuţ, Buzatu, Andrei

“…A multi-technique characterization and a provenance study of the black pigment used in Cucuteni pottery painting (Neolithic age, Romania) were carried out. 127…”
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The Effect of Mn Substitution on Natural Sphalerites by Means of Raman Spectroscopy: A Case Study of the Săcărâmb Au–Ag–Te Ore Deposit, Apuseni Mountains, Romania by George Dincă, Andrei Ionuț Apopei, Robert Szabo, Andreea Elena Maftei

“…Natural samples of sphalerites containing Mn in the range 0 ≤ x ≤ 0.25 apfu from the Săcărâmb Au–Ag–Te ore deposit, found in the Apuseni Mountains, Romania,…”
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The determination of the Fe content in natural sphalerites by means of Raman spectroscopy by Buzatu, Andrei, Buzgar, Nicolae, Damian, Gheorghe, Vasilache, Viorica, Apopei, Andrei Ionuţ

“…Natural sphalerite samples collected from the Baia Sprie ore deposit (Romania) were analyzed through Raman spectroscopy, SEM-EDX and XRD. The most intense…”
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Structural key features of bismuth and Sb-As sulfosalts from hydrothermal deposits—micro-Raman spectrometry by Buzatu, Andrei, Damian, Gheorghe, Buzgar, Nicolae, Andráš, Peter, Apopei, Andrei Ionut, Maftei, Andreea Elena, Milovská, Stanislava

“…The sulfosalt minerals are of great importance for a better understanding of ore forming conditions and mineralization distribution, especially in the case of…”
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Preserving Cultural Heritage: Enhancing Limestone Durability with Nano-TiO[sub.2] Coating by Ilieș, Dorina Camelia, Apopei, Andrei-Ionuț, Ilieș, Alexandru, Caciora, Tudor, Zharas, Berdenov, Hodor, Nicolaie, Turza, Alexandru, Hassan, Thowayeb H, Barbu-Tudoran, Lucian, Pereș, Ana Cornelia, Ratiu, Mariana, Safarov, Bahodirhon, Bilalov, Bahadur, Gligor, Emil-Traian

“…External and internal microclimatic conditions, biodeterioration, anthropogenic factors, etc, influence the natural stone support for artifacts and built…”
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