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    Evaluation of the Effect of Different Glazing Brands on Surface Roughness of Monolithic Zirconia by Riyam Imad Fouad, Lateef Essa Alwan Al Jorani, Abdel Kareem Jasim Khadim Al-Azzawi

    Published 2023-06-01
    “…The purpose of this study was to evaluate the surface roughness of different glazing brands' materials on monolithic Zirconia. 40 specimens from Zirconia block (VITA YZ®XT Color, Diameter 98.4x14mm height) were prepared by computer-aided design/computer-aided manufacturing machined (Imes-Icore, 5 axis, COR TEC 250i dry, Germany). The samples dimension for the surface roughness test (diameter 10 mm and thickness 2 mm) by using a surface roughness testing machine profilometer (TR200, Germany), divided into 3 groups depending on types of glazing brands materials (VITA, VITA AKZENT® Plus, glaze LT, Germany), the second group with (Ivoclar Vivadent, IPS e.max Ceram glaze and stain liquid, Liechtenstein), and the third group with (GC Initial spectrum glaze liquid, Austria). …”
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    The development of a kinetic biotic ligand model to predict acute toxicity of Gadolinium for Daphnia magna by Marion Revel, Qiao-Guo Tan, Andrew Hursthouse, Susanne Heise

    Published 2025-01-01
    “…The model was then validated, first in the presence of dissolved organic matter (DOM), and then with water samples collected from lakes, rivers, and estuaries in France and Germany. The outcome revealed that three major cations (potassium, magnesium, and calcium) act as strong competitors. …”
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