Showing 1,201 - 1,220 results of 1,594 for search '"copper"', query time: 0.05s Refine Results
  1. 1201

    Green synthesis of CuO nanoparticles: A promising material for photocatalysis and electrochemical sensor by H.N. Jayasimha, K.G. Chandrappa, P.F. Sanaulla, V.G. Dileepkumar

    Published 2024-01-01
    “…This research highlights the significant role of green synthesis in the production of copper oxide (CuO) nanoparticles by using natural extracts as reducing agents. …”
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  2. 1202

    Fabrication of Cu doped ZnO nanocrystals hybridised with Graphene oxide nanosheets as an efficient solar light driven photocatalyst for the degradation of Quinalphos pesticide in a... by S. Sibmah Stalin, E.K. Kirupa Vasam Jino

    Published 2023-06-01
    “…This present study involves the sonochemical and microwave synthesis of an efficient light harvesting nanocomposite photocatalyst, ZnO/GO embedded with copper nanoparticles. The synthesised nanocomposite was characterised by various spectroscopic methods like XRD, SEM, EDX, FT-IR, UV-DRS and fluorescence analysis. …”
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  3. 1203

    Enhancing peppermint growth: Investigating the interplay of Biochar and Nitrogen levels by Hasan Haghighatnia, Ebrahim Talebi, Maryam Khosravi Nezhad

    Published 2024-11-01
    “…Elemental concentrations in aerial organs peaked at 3% biochar, increasing potassium by 22%, phosphorus by 18%, and calcium by 15%, while zinc and copper decreased by 10% and 12%, respectively. Anthocyanin, flavonoid, and total phenol concentrations decreased by 20%, 30%, and 35% respectively with increasing biochar and nitrogen levels. …”
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  4. 1204

    Sulphur and Nitrogen Fertilization as a Potential Means of Agronomic Biofortification to Improve the Content and Uptake of Microelements in Spring Wheat Grain DM by Hanna Klikocka, Marek Marks

    Published 2018-01-01
    “…The aim of the field experiment was to analyze the impact of various nitrogen and sulphur doses on the content and uptake of spring grains of iron, manganese, copper, and zinc. The study was conducted in southeastern Poland (2009–2011) on Cambisols (WRB 2007), in conditions of low soil sulphur content. …”
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    Article
  5. 1205

    An experimental study on mechanical properties of fiber-reinforced concrete of energy piles by Songying Zhao, Lei Chen, Yan Fu

    Published 2017-07-01
    “…As thermal conductivity materials, the addition of industrial graphite and scrap copper slag can improve the thermal conductivity of the pile, but it can also reduce the mechanical properties of the pile. …”
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  6. 1206
  7. 1207

    Machine learning approach for predicting tramp elements in the basic oxygen furnace based on the compiled steel scrap mix by Michael Schäfer, Ulrike Faltings, Björn Glaser

    Published 2025-01-01
    “…Data from around 115000 heats were analyzed and a model was developed to better predict the content of the tramp elements copper, chromium, molybdenum, phosphorus, nickel, tin and sulphur at the end of the basic oxygen furnace process. …”
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  8. 1208

    Chemical Composition and Fatty Acid Content of Some Spices and Herbs under Saudi Arabia Conditions by Fahad Mohammed Al-Jasass, Mohammed Saud Al-Jasser

    Published 2012-01-01
    “…However, zinc, manganese and copper were found at low levels. The major fatty acids in cress and mustard were linolenic acid (48.43%) and erucic acid (29.81%), respectively. …”
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  9. 1209

    Formulation and validation of mathematical model for co-sputtering conditions to attain stoichiometric CZTS films: Expedience of using all metal sulfide targets by Munira Sultana, Afrina Sharmin, Md Rashed Alam, Shahran Ahmed, Md Aftab Ali Shaikh, M.S. Bashar

    Published 2025-01-01
    “…A soda lime glass substrate is used for fabricating Cu2ZnSnS4 (CZTS) thin films using copper (II) sulfide (CuS), zinc sulfide (ZnS), and tin sulfide (SnS) targets using an advanced co-sputtering deposition process. …”
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  10. 1210

    Insights into the diverse roles of the terminal oxidases in Burkholderia cenocepacia H111 by Sarah Paszti, Olivier Biner, Yilei Liu, Kim Bolli, Sarah Dorothy Jeggli, Gabriella Pessi, Leo Eberl

    Published 2025-01-01
    “…In this study, we identified six terminal oxidases of B. cenocepacia H111 and constructed reporter strains to monitor their expression in different environments. While the heme-copper oxidase aa 3 (cta) was constitutively expressed, the bd-1 oxidase (cyd) was induced under oxygen-limited growth conditions. …”
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  11. 1211

    Effects of High-Density Pulse Currents on the Solidification Structures of Cu-SiCp/AZ91D Composites by Xi Hao, Weixin Hao, Guihong Geng, Teng Ma, Chen Wang, Fuqiang Zhao, Hao Song, Yugui Li

    Published 2019-01-01
    “…The wettability between SiCp and matrix during solidification was improved by coating 0.095-μm thick copper film on the surface of SiCp. By comparing the composites prepared with/without pulse currents, the solidification structure and its formation mechanism of Cu-SiCp/AZ91D composites were analyzed under different conditions. …”
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  12. 1212

    The Synthesis, Characterization and Biological Activity of Some Metal Ions Complexes with Schiff’s Bases Derived from Reaction of 3-Hydrazone-1,3- Dihydro-Indole-2-One with 2- Pyri... by safa sami Muwafaq, Naser Shaalan

    Published 2025-01-01
    “…Metal complexes comprising manganese, cobalt, nickel, copper, and zinc with Schiff base have been produced at a molar ratio of 1:1 (M: L). …”
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  13. 1213

    Exploration of Erdaohe Silver Polymetallic Deposit in Inner Mongolia based on Induced Polarization Method by Baoyou Li, Zhiqing Shi, Zhiguang Yang, Lan Xu, Hanlie Cheng, David Sturdivant

    Published 2022-01-01
    “…In order to prove the feasibility of the deep application of this method, the high-power induced polarization sounding experiment with different devices and different power supply cycles was carried out in Erdaohe copper-silver lead-zinc mine. The test results show that by adopting the measurement method of the encrypted equipotential device and selecting the appropriate polar distance, when the power supply period is 32 s, the time delay is 200 s and the sampling width is 200 s, a good deep lead-zinc mine anomaly can be found. …”
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  14. 1214

    INCREASING FITNESS WITH ACUPUNCTURE AND HERBS by Ario Imandiri, Diarista Salfa Pratama, Abdul Rahman

    Published 2020-07-01
    “…This is evidenced by the results of copper test VO2 max increased 44.3% and no more complaints felt by patient. …”
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  15. 1215

    Assessment of the ecological and ameliorative condition of the soil and potential risks when using different types of irrigation of decorative plants by O. O. Gololobova, N. V. Maksymenko, V. L. Bezsonnyi

    Published 2024-11-01
    “…It is also determined that it is necessary to regularly apply nitrogen fertilizers to the lawn, especially at the beginning of the growing season; small doses of nitrogen fertilizers in the spring are sufficient for thuja; complex microfertilizers of prolonged action are required to eliminate copper and zinc deficiencies. It is also necessary to monitor the quality of irrigation water to avoid soil contamination. …”
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  16. 1216

    Algorithm Indicating Moment of P-Wave Arrival Based on Second-Moment Characteristic by Jakub Sokolowski, Jakub Obuchowski, Radoslaw Zimroz, Agnieszka Wylomanska, Eugeniusz Koziarz

    Published 2016-01-01
    “…Effectiveness of the algorithms is tested on seismic data acquired from O/ZG “Rudna” underground copper ore mine with moments of P-wave arrival initially picked by broadly known STA/LTA algorithm and then corrected by seismic station specialists. …”
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  17. 1217

    A Study of the Electronic Absorption and Emission Spectra of DBDMA Dye: Solvent Effect, Energy Transfer, and Fluorescence Quenching by Sadeq M. Al-Hazmy, Jameelah Al-Harby, Mohammed Hassan, Sabri Messaoudi, Ibrahim A. Alhagri, Ahmed N. Alhakimi

    Published 2023-01-01
    “…The photostability of dye was tested, and its energy transfer behavior in the presence of oxygen and hydrated copper sulfate quenchers was investigated. We also gave a qualitative estimation of the effect of acidic media on the absorption and emission spectra. …”
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  18. 1218

    A Simulated Model of a Triple Band Patch Antenna Proposed for Vital Signs Monitoring Equipment by Anfal Shukur Taher, Rashid Ali Fayadh, Abbas Fadhal Humadi, Aaraf Shukur Alqaisi, Mohd Fareq Abd Malek

    Published 2023-09-01
    “…The proposed design is made of FR-4 as a substrate material, and copper for the patch and the ground. The reader can notice that our proposed antenna owns the following resonance frequencies: (3.68), (6.48), and (7.93) GHz respectively. …”
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  19. 1219

    Effect of Metal Dopant on Ninhydrin—Organic Nonlinear Optical Single Crystals by R. S. Sreenivasan, N. Kanagathara, G. Ezhamani, N. G. Renganathan, G. Anbalagan

    Published 2013-01-01
    “…Based on the shifts in the vibrations, the presence of copper in the lattice of the grown crystal is clearly established from the pure ninhydrin crystals. …”
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  20. 1220

    Numerical Analyses of Earthquake Induced Liquefaction and Deformation Behaviour of an Upstream Tailings Dam by Muhammad Auchar Zardari, Hans Mattsson, Sven Knutsson, Muhammad Shehzad Khalid, Maria V. S. Ask, Björn Lund

    Published 2017-01-01
    “…This paper presents dynamic analyses of the effects of larger earthquakes on an upstream tailings dam at the Aitik copper mine in northern Sweden. The analyses were performed to evaluate the potential for liquefaction and to assess stability of the dam under two specific earthquakes: a commonly occurring magnitude 3.6 event and a more extreme earthquake of magnitude 5.8. …”
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