Showing 1,301 - 1,320 results of 1,594 for search '"copper"', query time: 0.06s Refine Results
  1. 1301

    Trimetallic ferrite functionalized by guaninium tartrate ionic liquid (Co0.2Zn0.6Cu0.2Fe2O4-SiO2@[GuaH]+[Tar]2‒[GuaH]+) as a novel inorganic-bioorganic nanostructure to promote aqu... by Zahra Khademi, Kobra Nikoofar, Mansoureh Zahedi-Tabrizi

    Published 2025-02-01
    “…In this work, a Cobalt-Zinc-Copper ferrite (Co0.2Zn0.6Cu0.2Fe2O4, CZCF) was synthesized and functionalized with silica and guaninium tartrate ionic liquid (Co0.2Zn0.6Cu0.2Fe2O4-SiO2@[GuaH]+[Tar]2‒[GuaH]+). …”
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  2. 1302

    High-performance electrochemical sensor based on Pt-Ag@Cu-BDC MOF composite modified glassy carbon electrode for detection of imidacloprid in citrus juice and water samples by Fariba Hasani, Jahan Bakhsh Raoof, Reza Ojani, Milad Ghani

    Published 2025-02-01
    “…Accordingly, we prepared Pt-Ag@Cu-metal organic framework (MOF) as a novel nanocomposite to construct a sensitive electrochemical sensor for voltammetric determination of imidacloprid (IMI). The copper benzene-1,4-dicarboxylate framework (Cu-BDC MOF) was used as support for bearing the metal nanoparticles (NPs) including Ag and Pt. …”
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  3. 1303

    Fabrication of highly efficient quartz crystal microbalance ammonia sensor based on Cu-BTC nanocomposites by Kobra Vazirinezhad, Fatemeh Shariatmadar Tehrani, Sedigheh Zeinali, Maryam Tohidi

    Published 2025-06-01
    “…In this work, nanocomposite films of Cu-BTC (MOF containing copper as a metal node and 1,3,5-benzene tricarboxylic acid as an organic linker) with different carbon nanotube (CNT) weight percentages are fabricated on a QCM for the detection of low amounts of ammonia at room temperature. …”
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  4. 1304

    Unveiling the Original Polychromy of Archaic Architecture: The Gigantomachy on the West Pediment of the Temple of Apollo at Delphi (6th c. B.C.) by Giasemi G. Frantzi, Georgios P. Mastrotheodoros, Panayiotis Theoulakis, Sotiria Kogou, Athanasia Psalti, Hariclia Brecoulaki

    Published 2025-01-01
    “…Specifically, our data support the employment of pigments like Egyptian blue, cinnabar, ochre-based reds and yellows, as well as copper-based green. Notably, these pigments were applied over a white calcium-rich layer, which served as a primer for the porous stone. …”
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  5. 1305

    The Effect of the Increasing Doses of Vermicompost Applications to Soil on Some Nutrient Concentrations in Olive (Olea europaea L.) Leaves by Ayşe Nur Coşkun, Ali Sümer

    Published 2023-12-01
    “…Among the leaf micro nutrient elements, statistically significant increases were obtained by 2 kg tree-1 on copper (Cu) (31.32 mg kg-1), on manganese (Mn) (50.77 mg kg-1), and 6 kg tree-1, on zinc (Zn) (21 mg kg-1); while a decrease was ob-served on iron (Fe) concentration by 6 kg tree-1 (100.88 mg kg-1). …”
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  6. 1306

    Impact of stock market indices and raw material prices on the yield movements of Caterpillar company securities by Petrović Nevena, Novićević-Čečević Bojana, Krstajić Goran

    Published 2024-01-01
    “…The research confirmed that, in addition to the SPY market index, the performance of the PKB (Invesco Dynamic Building and Construction ETF) fund, as well as the prices of copper, steel, and aluminium have a statistically significant impact on the movement of CAT stock returns. …”
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  7. 1307
  8. 1308

    Composition and Biological Properties of Agaricus bisporus Fruiting Bodies – a Review by Muszyńska Bożena, Kała Katarzyna, Rojowski Jacek, Grzywacz Agata, Opoka Włodzimierz

    Published 2017-09-01
    “…A. bisporus is also a rich source of selenium, zinc and other elements such as magnesium, copper, iron, potassium, sodium, calcium, phosphorus, sulfur or manganese. …”
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  9. 1309

    Characterization and Pharmacological Efficacy of Silver Nanoparticles Biosynthesized Using the Bark Extract of Garcinia Kola by Sunday Adewale Akintelu, Seyifunmi Charles Olugbeko, Femi Adekunle Folorunso, Abel Kolawole Oyebamiji, Aderonke Similoluwa Folorunso

    Published 2020-01-01
    “…The EDX analysis revealed carbon, nitrogen, oxygen, aluminum, potassium, copper, and silver as the elements present in the nanoparticles. …”
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  10. 1310

    A Data-Driven Methodology for Obtaining the Stress–Strain Curves of Metallic Materials Using Discrete Indentation Tests by Nitzan Rom, Elad Priel

    Published 2025-01-01
    “…The model was validated against experimental data on Al1100, Al6061-T6, Al7075-T6, and brass and copper alloys, features error predictions of 8.4 ± 8.5% for the yield stress and 3.2 ± 4% for a complete curve ranging from <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mover accent="true"><mrow><mi>ε</mi></mrow><mo>¯</mo></mover></mrow><mrow><mi>p</mi></mrow></msup><mo>=</mo><mn>0</mn></mrow></semantics></math></inline-formula> to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mover accent="true"><mrow><mi>ε</mi></mrow><mo>¯</mo></mover></mrow><mrow><mi>p</mi></mrow></msup><mo>=</mo><mn>0.15</mn></mrow></semantics></math></inline-formula>. …”
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  11. 1311

    Thermochemical analysis of the behaviour of Cu in Ti nano-strand formation from low-temperature reaction of Al-Fe-Cu powder with CaF2-SiO2-Al2O3-MgO-MnO-TiO2 flux by Theresa Coetsee, Frederik Johannes De Bruin

    Published 2025-03-01
    “…In the current study, Al-Fe-Cu metal powders were reacted with CaF2-SiO2-Al2O3-MgO-MnO-TiO2 flux to identify the behaviour of copper in the reaction system. Post-reaction three-dimensional slag was analysed using energy dispersive X-ray spectroscopy (EDX) to locate and analyse nano-strands, which confirm gas phase reactions from the oxy-fluoride slag. …”
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  12. 1312

    An Efficiency Optimized Direct Model Predictive Control of Induction Machine Drive by Adeola Balogun, Sodiq Agoro, Sunday Adetona, Ayobami Olajube, Frank Okafor

    Published 2024-09-01
    “…As a precursor for obtaining an optimal rotor flux command in the MPC for every torque output, another unique efficiency improvement scheme is developed, which uniquely determines the stator angular velocity and the rotor flux that minimizes the core and copper losses while maintaining a constant slip operation. …”
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  13. 1313

    Surface hardening of MIM porous metals by ultrasonic vibration assisted pressing by Shimaoka Ryo, Yin Zidong, Tanaka Shigeo, Yang Ming

    Published 2025-01-01
    “…As a specimen, MIM processed pure copper and stainless steel 316L specimens were used to compare with specimens without porous structure through investigations such as surface hardness test, electron backscatter diffraction analysis, and surface roughness measurement. …”
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  14. 1314

    Functional Properties, Antioxidant Activity, and Organoleptic Quality of Novel Biscuit Produced by Moroccan Cladode Flour “Opuntia ficus-indica” by Bouchra Nabil, Rachida Ouaabou, Mourad Ouhammou, Lamia Essaadouni, Mostafa Mahrouz

    Published 2020-01-01
    “…Major minerals determined by ICP-MS were calcium (4.47 g/100 g); potassium (1.25 g/100 g); magnesium (1.46 g/100 g); and trace elements such as zinc (1.77 mg/100 g), copper (0.95 mg/100 g), and selenium (148.5 μg/100 g). …”
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  15. 1315

    Amino Acid Profile and Mineral Content of Cultivated Snails <i>Acusta despecta</i> and <i>Achatina fulica</i>: Assessing Their Potential as Nutritional Source by Sampat Ghosh, Min-Jung Kim, Sukjun Sun, Chuleui Jung

    Published 2025-01-01
    “…Notably, <i>A. despecta</i> provided over 100% of the RDA/AI for calcium, phosphorus, copper, and manganese and met 94.5% of the iron RDA for women. …”
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  16. 1316

    The Bronze Age Site of Tarangul (Aktobe Cis-Urals): Examining One Casting Mo by Darkhan A. Baitileu, Albina Ye. Yerzhanova, Ilaria Calgaro

    Published 2024-05-01
    “…The spectral analysis shows the castings were basically made from copper, and detects some traces of alloying. Another finding is that the three mold negatives were used not simultaneously but rather when and as it was necessary. …”
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  17. 1317

    Role of toxic and essential elements in sleep duration of patients with cardiovascular diseases by Namam Ali Azadi, Samaneh Nakhaee, Najmaldin Ezaldin Hassan, Borhan Mansouri, Masoumeh Ariyaee

    Published 2025-01-01
    “…Serum concentrations of zinc (Zn), copper (Cu), Iron (Fe), arsenic (As), mercury (Hg), and nickel (Ni) were measured using a gas chromatography-mass spectrometry. …”
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  18. 1318

    Current Status of Trace Metal Pollution in Soils Affected by Industrial Activities by Ehsanul Kabir, Sharmila Ray, Ki-Hyun Kim, Hye-On Yoon, Eui-Chan Jeon, Yoon Shin Kim, Yong-Sung Cho, Seong-Taek Yun, Richard J. C. Brown

    Published 2012-01-01
    “…The results of our analysis indicate that soils were polluted most significantly by metals such as lead, zinc, copper, and cadmium. If the dominant species are evaluated by the highest mean concentration observed for different industry types, the results were grouped into Pb, Zn, Ni, Cu, Fe, and As in smelting and metal production industries, Mn and Cd in the textile industry, and Cr in the leather industry. …”
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  19. 1319

    A Novel Method to Evaluate the Effect of Slope Blasting under Impact Loading by Wenhai Zhou, Zhenbao Li, Xin Wu, Shujiang Wang, Yaru Lv, Xiaoming Lou, Chaofei Du, Rui Liang

    Published 2020-01-01
    “…The evaluation method proposed in this paper is used to evaluate the postexplosion effect of Zijin Mountain gold-copper mine slope cast blasting. The results demonstrate that the fuzzy normal distribution membership function can correlate the state characteristic information and evaluation index effectively, and the working condition after explosion can be reflected accurately. …”
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  20. 1320

    Biological features and cultivation of sesame (a review) by N. V. Kishlyan, M. Sh. Asfandiyarova, Y. V. Yakusheva, A. G. Dubovskaya

    Published 2021-12-01
    “…Sesame seeds contain 50–63% of oil, 25–27% of protein, 20% of carbohydrates, and are sources of such micronutrients as copper, calcium, iron, magnesium, zinc, vitamins A, B1, C and E. …”
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