Showing 6,941 - 6,960 results of 7,249 for search '"metals"', query time: 0.08s Refine Results
  1. 6941
  2. 6942
  3. 6943

    Antik Medeniyetlerden İslam Tasavvuf Geleneğine Dini ve Askeri Mûsikî Enstrümanı ‘Çalpara’ by İrfan Yiğit

    Published 2024-12-01
    “…Antik medeniyetlerden itibaren yapımında kullanılan metal hammaddesi, şekilsel özellikleri ve yapım teknikleri de incelediğimiz konular arasındadır. …”
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  4. 6944

    Structural, Electronic, Elastic, Mechanical, and Opto-Electronic Properties for ZnAg2SnS4 and ZnAg2Sn0.93Fe0.07S4 Photocatalyst Effort on Wastewater Treatment through the First Pri... by Mohammad Jahidul Islam, Md. Sabbir Hasan Sohag, Unesco Chakma, Ajoy Kumer, Md. Monsur Alam, Mohammed Nazrul Islam Khan

    Published 2023-01-01
    “…First and foremost, the geometry optimization was performed by density functional theory (DFT) of the generalized gradient approximation (GGA) with Perdew–Burke–Ernzerhof (PBE)-ballpark figured as the successful candidate for computational screening containing heavy metal complexes. The structural geometry parameters were determined along with the electronic band structure, density of state (DOS), partial density of state (PDOS), Mulliken charge population, elastic constant, and optical characteristics. …”
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  5. 6945
  6. 6946
  7. 6947

    Organizational and economic aspects of residential buildings renovation with decorative elements on the roof by T. E. Gordeeva, O. A. Mamaeva

    Published 2024-05-01
    “…Defects and problems were identified — corrosion of metal structures, destruction of wooden elements. …”
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  8. 6948

    Extraction of molybdenite concentrates by leaching by Vanesa Lucía Bazan-Brizuela, Marcela Medina-Arias, Ivana Orozco-Santander

    Published 2024-11-01
    “…El procedimiento para la extracción comercial de molibdeno desde un sulfuro, la molibdenita, implica tostar el concentrado, purificar el calcinado resultante, ya sea por destilación de  tiroxido de molibdeno (MoO3 )o por una ruta hidrometalúrgica, y finalmente reducir el trióxido con hidrógeno para obtener el metal El objetivo del presente trabajo es estudiar la producción de molibdeno desde concentrados de molibdenita usando una solución acuosa de ácido clorhídrico (HCl) como lixiviante, cloruro de sodio (NaCl) como catalizador, hidróxido de sodio (OHNa) como regulador de pH, y por último cloruro férrico (FeCl3) como un oxidante. …”
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  9. 6949

    Physicochemical Properties of the CoO/AlO, AgO/AlO and AgO-CoO/AlO Systems and Their Catalytic Activities towards Acid-Base and Redox Reactions by E.A. El-Sharkawy, Shar S. Al-Shihry, A.M. Youssef

    Published 2006-10-01
    “…Solid-solid interactions between the components of the systems resulted in the formation of Co 3 O 4 and CoAl 2 O 4 , their ratio depending on the chemical composition and heat-treatment temperature employed with Ag in its metallic form. The textural properties of the investigated catalysts also depended on the chemical composition and calcination temperature. …”
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  10. 6950

    Role of Laser Etching on Shear Bond Strength between Recast Nickel-Chromium Alloy and Dental Ceramic: An Experimental Study by Janardanan Sriman, Ahila Singaravel Chidembaranathan, Muthukumar Balasubramanium

    Published 2025-01-01
    “…Shear bond strength between ceramic and metal was tested using a universal testing machine and the mode of debonding was evaluated using scanning electron microscope. …”
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  11. 6951
  12. 6952

    Management of Anaesthesia for a High-Risk Aerosol-Generating Procedure in a Paediatric Patient with COVID-19 by Gezy Giwangkancana, Ezra Oktaliansyah, R. Ayu Hardianti Saputri

    Published 2021-01-01
    “…An 8-year-old female patient came to the emergency room with a history of difficulty in swallowing for 12 hours before admission, having accidentally swallowed a metal coin while playing. She did not have any recent history of disease, but her parents had noticed that, for the previous 4 days, she had had a mild fever and dry cough. …”
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  13. 6953

    Electroforming-based micro-texturing: Advancements for surface engineering in EDM by Mariana Hernández-Pérez, Pedro M. Hernández-Castellano, Juan M. Vázquez-Martínez, María D. Marrero-Alemán

    Published 2025-02-01
    “…Subsequently, the parts are metallized by sputtering to give them electrical conductivity and, finally, they are subjected to an electroforming process in an electrolytic bath to generate the copper shells. …”
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  14. 6954
  15. 6955

    Synthesis of Novel VO(II)-Perimidine Complexes: Spectral, Computational, and Antitumor Studies by Gamil A. Al-Hazmi, Khlood S. Abou-Melha, Nashwa M. El-Metwaly, Kamel A. Saleh

    Published 2018-01-01
    “…XRD analysis introduces the nanocrystalline nature of the ligand while the amorphous appearance of its metal ion complexes. The rocky shape is the observable surface morphology from SEM images. …”
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  16. 6956

    Association of Phthalate Exposure with Thyroid Function and Thyroid Homeostasis Parameters in Type 2 Diabetes by Yi Chen, Wen Zhang, JingSi Chen, Ningjian Wang, Chi Chen, Yuying Wang, Heng Wan, Bo Chen, Yingli Lu

    Published 2021-01-01
    “…Concurrent urine and blood samples were collected from 639 participants with type 2 diabetes in the METAL (Environmental Pollutant Exposure and Metabolic Diseases in Shanghai) study. …”
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  17. 6957

    Experimental Studies of Fluid Flow Resistance in a Heat Exchanger Based on the Triply Periodic Minimal Surface by Marcin Kruzel, Krzysztof Dutkowski, Tadeusz Bohdal

    Published 2025-01-01
    “…The heat exchanger is a prototype designed and manufactured additively using 3D printing in metal—AISI 316L steel. The device’s design is based on the triply periodic minimal surface (TPMS) geometry called gyroid, which can only be obtained by incremental manufacturing. …”
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  18. 6958

    Improvement of Bacteriocin Production by Natural Zeolite and Detection of Antibacterial Activity of Leuconostoc carnosum Purified Carnosin by Haneen A. Ibrahim, Intesar N. Khelkal, Yusra M. Muhsin

    Published 2024-12-01
    “…Also the organic solvent, surfactant and metal ion salt do not effect on its activity. The purified carnosin appeared a board range of antimicrobial activity against many pathogenic and food-borne spoilage bacteria such as Escherichia coli, Pseudomonas aeruginosa, salmonella typhi, Listeria monocytogenes and Staphylococcus aureus. …”
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  19. 6959

    Biocompatibility of new cement based capping material prepared from eggshell and biopolymer (chitosan). by Hemn M. Sarmamy, Dara H. Saeed

    Published 2022-07-01
    “…The animals were divided into 3 groups, five rabbits for each group, for three time intervals (7, 14, and 21 days).Four specimens (4 mm long and 1 mm inner diameter) were inserted for each animal according to the following groups; Group 1: Empty pockets (control), Group 2: The Experimental material with a powder/liquid ratio of1 scoop: 8 drops by using glass slab with aid of cement metal spatula, Group 3: Mineral trioxide aggregate MTA which was mixed according to manufacturing instructions and Group 4: Biodentine which was mixed according to manufacturing instructions. …”
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  20. 6960

    Spectroscopic and Theoretical Studies of Hg(II) Complexation with Some Dicysteinyl Tetrapeptides by Elliot Springfield, Alana Willis, John Merle, Johanna Mazlo, Maria Ngu-Schwemlein

    Published 2021-01-01
    “…UV-vis studies confirmed that mercury(II) binds to the cysteinyl thiolates as indicated by characteristic ligand-to-metal-charge-transfer transitions for bisthiolated S-Hg-S complexes, which correspond to 1 : 1 mercury-peptide complex formation. …”
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