Showing 1,181 - 1,200 results of 1,594 for search '"copper"', query time: 0.06s Refine Results
  1. 1181

    Metals valorization from pyrolyzed waste PCBS by Kilibarda Nikola B., Kamberović Željko J., Đokić Jovana M., Kovačević Tihomir M., Jovanović Nikola M.

    Published 2024-01-01
    “…Characterization of a real sample showed that NMF contains 3.44 wt.% metals, primarily copper (80 wt.%), indicating potential for its valorization. …”
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  2. 1182

    Quality of Commercial Coffees: Heavy Metal and Ash Contents by Mariana Teixeira Pigozzi, Flávia Regina Passos, Fabrícia Queiroz Mendes

    Published 2018-01-01
    “…The ash content was determined by incineration of the samples, and the quantification of heavy metals was performed by flame atomic absorption spectrophotometry for the following metals: cadmium, lead, copper, chromium, nickel, and zinc. According to the ash analysis, 15% of the roasted ground coffee samples were within the standards established by the legislation of the state of São Paulo, which has set an ash content of below 5%. …”
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  3. 1183

    Performance of Polymer Composite Constituted Cabinet Dryer Integrated within a Solar Flat Plate Collector by S. Raj Sachin, Anton M. Kuzmin, Subramanian Krishnakumar, Anandhan Jayaganthan, Yesgat Admassu

    Published 2023-01-01
    “…This work also studies the efficiency of the polymer composite cabinet integrated with a flat plate solar collector system that is coated with copper and black chrome attached to corrugated fins in between the absorber plate and storage medium. …”
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  4. 1184

    Experimental Study on the Tensile Property of a Novel Oriented Linear Porous Metal by Bin Liu, Xin-gang Wang, Yong Tang, Wei Yuan, Chao-bin Fang, Zhen-ping Wan

    Published 2016-01-01
    “…A novel oriented linear porous metal (OLPM) with high porosity was fabricated through solid-sintering method with cutting copper fibers. In this study, tensile experiments were conducted to investigate the fracture process of the OLPM and the effects of porosity and sintering parameters on the tensile properties. …”
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  5. 1185

    Galvanic enhancement for high pressure leaching of chalcopyrite by Kim D.H., Kim W.J., Kim H.S., Han K.S., Tran T., Kim M.J.

    Published 2016-01-01
    “…The introduction of an electronic conductor, in this case the titanium surface, is believed to enhance this redox process, in which the oxidation of copper minerals and sulphur to sulphate at the anodic sites (mineral surface) encountered during POX leaching takes place simultaneously with the reversible oxidation/reduction of the Fe2+/Fe3+couple and oxygen reduction on titanium.…”
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  6. 1186

    Engineering ultra-strong electron-phonon coupling and nonclassical electron transport in crystalline gold with nanoscale interfaces by Shreya Kumbhakar, Tuhin Kumar Maji, Binita Tongbram, Shinjan Mandal, Shri Hari Soundararaj, Banashree Debnath, Phanindra Sai T, Manish Jain, H. R. Krishnamurthy, Anshu Pandey, Arindam Ghosh

    Published 2025-01-01
    “…Abstract Electrical resistivity in good metals, particularly noble metals such as gold (Au), silver (Ag), or copper, increases linearly with temperature (T) for T > Θ D , where Θ D is the Debye temperature. …”
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  7. 1187

    Chemical and Physical Quality Criteria of Bulakbaşı Stream in Turkey and Usage of Drinking, Fisheries, and Irrigation by Fazıl Şen, Abdullah Aksoy

    Published 2015-01-01
    “…During the study, the average water temperature as 16.3°C, dissolved oxygen (DO) 12.91 mg/L, oxygen saturation (OS) 152.8%, pH 8.25, electrical conductivity (EC) 779.6 μS/cm, salinity 0.435‰, chloride 83.97 mg/L, calcium 56.5 mg/L, magnesium 57.1 mg/L, total hardness 391.1 mg/L CaCO3, carbonate 0 mg/L, bicarbonate 365.95 mg/L, total alkalinity 299.85 mg/L, nitrate 4.74 mg/L, nitrite 20.83 µg/L, ammonium 50.8 µg/L, ammonia 48.3 µg/L, phosphorus 77.5 µg/L, sulfate 57.6 mg/L, potassium 4.52 mg/L, copper and aluminum 0.0 µg/L, total iron 10.1 µg/L, zinc 168.2 µg/L, chromium 24 µg/L, manganese 401.7 µg/L, and cyanide 6.79 µg/L were found. …”
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  8. 1188

    Evaluation of MWCNT Particles-Reinforced Magnesium Composite for Mechanical and Catalytic Applications by T. Sathish, Vinayagam Mohanavel, Palanivel Velmurugan, Saleh Alfarraj, Sami Al Obaid, Shanmugam Sureshkumar, J. Isaac Joshua Ramesh Lalvani

    Published 2022-01-01
    “…Aluminum, magnesium, and copper materials must have increased mechanical strength with enhanced wear and corrosion resistance. …”
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  9. 1189

    Phytochemical and Biological Activities of Four Wild Medicinal Plants by Anwar Ali Shad, Shabir Ahmad, Riaz Ullah, Naser M. AbdEl-Salam, H. Fouad, Najeeb Ur Rehman, Hidayat Hussain, Wajid Saeed

    Published 2014-01-01
    “…These four plants' fruits are good sources of iron, zinc, copper, manganese, selenium, and chromium. It was also observed that these fruits are potential source of antioxidant agent and the possible reason could be that these samples had good amount of phytochemicals. …”
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  10. 1190

    Biogenic Synthesis of Cu-Doped ZnO Photocatalyst for the Removal of Organic Dye by Biruktait Ayele Lemecho, Fedlu Kedir Sabir, Dinsefa Mensur Andoshe, Noto Susanto Gultom, Dong-Hau Kuo, Xiaoyun Chen, Endale Mulugeta, Temesgen D. Desissa, Osman Ahmed Zelekew

    Published 2022-01-01
    “…In the preparation process, different amount of copper precursors such as 1, 2, 3, 4, and 5% of molar ratio were added to zinc nitrate precursors and abbreviated as Cu-ZnO (1%), Cu-ZnO (2%), Cu-ZnO (3%), Cu-ZnO (4%), and Cu-ZnO (5%), respectively. …”
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  11. 1191

    Smelting process of direct reduction iron bearing Ni and Cu to prepare Fe-Ni-Cu ternary alloy by Zhu D.-Q., Pan L.-T., Guo Z.-Q., Pan J.

    Published 2019-01-01
    “…The smelting behavior of direct reduction iron powder containing Ni and Cu from co-reduction followed by a magnetic separation of copper slag and nickel laterite was investigated in this paper. …”
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  12. 1192

    Polycarbonate Microchip Containing CuBTC-Monopol Monolith for Solid-Phase Extraction of Dyes by Eman Alzahrani

    Published 2020-01-01
    “…The resultant coating underwent coating using CuBTC nanocrystals in ethanolic solution of ethanolic solution of 1,3,5-benzenetricarboxylic acid (H3BTC, 10 mM) and 10 mM copper(II) acetate Cu(CH3COO)2. This paper reports enhanced extraction, characterization, and synthesis studies for porous CuBTC metal organic frameworks that are marked by different methods including SEM/EDAX analysis, atomic force microscopy (AFM), and Fourier-transform infrared spectroscopy (FT-IR). …”
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  13. 1193

    Microstructure and texture development in (FeCoCrNi)94Al2Ti4 alloy processed by asymmetric hot-rolling by Guojun Cai, Yanru Huang, Yongquan Qing, R.D.K. Misra

    Published 2025-01-01
    “…The high cross-shear under ASHR condition produced a positive shear strain throughout the entire thickness, and the increase in velocity ratio of working rolls led to intense Brass {011}<211> component which was retained after annealing. Meanwhile R-Copper {112}<110> and R-Cube {001}<110> orientations were changed into Brass {011}<211> orientation and γ-fiber textures such as {111}<110> and {111}<112> components. …”
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  14. 1194

    The Effect of Ga2Se3 Doping Ratios on Structure, Composition, and Electrical Properties of CuIn0.5Ga0.5Se2 Absorber Formed by Thermal Sintering by Chung Ping Liu, Ming Wei Chang, Chuan Lung Chuang

    Published 2013-01-01
    “…Chalcopyrite compounds of copper indium gallium diselenide (CIGS) absorber were fabricated by using binary-particle (Cu2Se, In2Se3, and Ga2Se3) precursors with thermal sintering method. …”
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  15. 1195

    ADSORPTION OF HEAVY METALS FROM WATER USING MORINGA OLIFERA PODS MODIFIED WITH IRON OXIDE NANOPARTICLES by Mokete John Phele, Fanyana Mtunzi, David Shooto

    Published 2024-11-01
    “…In this study, iron oxide nanoparticles were synthesized in the presence of moringa oliefera pods as adsorbent for lead, copper and cadmium ions adsorption. Moringa oliefera pods biochar with Fe3O4 particles precipitated on the surface of biochar was synthetized by co-precipitation method. …”
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  16. 1196

    Nutritional and Anti-nutritional Levels of Some Local Vegetables(<i>Vernomia anydalira, Manihot esculenta, Teiferia occidentalis, Talinum triangulare, Amaranthus spinosus</i>) from... by PO Agbaire

    Published 2013-05-01
    “…The mineral contents were; sodium 4.83 ± 0.29ug/g, calcium 2.18 ± 1.54ug/g, potassium 0.97 ± 0.04ug/g, magnesium 1.61 ± 0.20ug/g, iron 0.34 ± 0.21ug/g, zinc 0.04 ± 0.03ug/g, phosphorus 1.43 ± 0.81ug/g, copper 0.09 ± 0.13ug/g. The antinutrient compositions are oxalate 1.43 ± 0.61mg/l, phytate 9.15 ± 2.31mg/l and hydrocyanide 0.15 ± 0.1mg/l. …”
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  17. 1197

    Photophysics of O-band and transition metal color centers in monolithic silicon for quantum communications by Murat Can Sarihan, Jiahui Huang, Jin Ho Kang, Cody Fan, Wei Liu, Khalifa M. Azizur-Rahman, Baolai Liang, Chee Wei Wong

    Published 2025-01-01
    “…During T center generation process, we observed the formation and dissolution of other color centers, including the copper-silver related centers with a doublet line around 1312 nm (* $${{{\rm{Cu}}}}_{n}^{0}$$ Cu n 0 ), near the optical fiber zero dispersion wavelength (around 1310 nm). …”
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  18. 1198

    Taurine Prevents Ibuprofen-Induced Gastric Mucosal Lesions and Influences Endogenous Antioxidant Status of Stomach in Rats by T. Balasubramanian, M. Somasundaram, A. John William Felix

    Published 2004-01-01
    “…Taurine administration in ibuprofen-treated rats also showed a significant increase in the activities of the antioxidant enzymes namely total SOD, Mn-SOD, GPX, CAT, and the level of reduced GSH. The activity of copper-zinc SOD enzyme (Cu-Zn SOD) is not affected by ibuprofen or taurine. …”
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  19. 1199

    Thermal Brownian motion and thermophoretic of reacting hybridized nanoparticles in Williamson-water base fluid with convective cooling cylinder by S.O. Salawu, A.M. Obalalu, E.O. Fatunmbi, O.Y. Oludoun

    Published 2025-03-01
    “…The valuable characteristics of copper and aluminium oxide nanoparticles in enhancing the thermal performance of industrial cooling processes have propelled the study. …”
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  20. 1200

    Effects of vitamin c and vitamin e applications on wound healing and tissue mineral and hydroxyprolin levels in guinea pig by Saliha Filiz Pekcici Çuhadar, Seyfullah Haliloğlu

    “…<b>Aim:</b> This study was performed for investigating the effects of vitamin E and vitamin C on guinea pig wound healing and tissue hydroxi-proline, iron (Fe), copper (Cu) and zinc (Zn) levels.<p> <b>Materials and Methods:</b> A totally of 84 guinea pig were divided into four groups; the control group (saline, SC), vitamin C (150 mg/kg, SC), vitamin E (150 mg/kg, SC) and vitamin C + vitamin E groups. …”
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