Showing 941 - 960 results of 1,594 for search '"copper"', query time: 0.05s Refine Results
  1. 941

    Prediction of a New Phase of CuxS near Stoichiometric Composition by Prashant Khatri, Muhammad N. Huda

    Published 2015-01-01
    “…In this paper, we have predicted a new crystal phase of copper sulfide (CuxS) around chemical composition of x=1.98 by utilizing crystal database search and density functional theory. …”
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    Article
  2. 942

    Sorption Behavior of Cu(II) From Acidic SolutionUsing Weathered Basalt Andesite Products by Rajesh Singh, Ajay V. Shah, Bhavna A. Shah

    Published 2007-01-01
    “…WBAP has been characterized and utilized forremoval of copper from aqueous solution over wide range of initial metal ionconcentration (25 mg/L to 500 mg/L), contact duration (0-8 h), sorbent dose(5-35 g/L), pH (1.0 to 6.0), and temperature (276 K to 333 K). …”
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  3. 943

    Concevoir la synergie des cycles pour promouvoir un métabolisme agri-urbain écologiquement efficient et réduire l’exposition humaine aux polluants by Camille Dumat, Antoine Pierart

    Published 2018-09-01
    “…Research results concerning four metal elements commonly observed in urban ecosystems : lead, cadmium, copper and antimony, are discussed in the context of urban agriculture projects to illustrate these essential reflections to design the synergy of biogeochemical and living products cycles and promote an ecologically efficient urban metabolism to reduce human exposure to pollutants.…”
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    Article
  4. 944

    Research of Adjustable Speed Permanent Magnet Asynchronous Coupler by Shangguan Xuanfeng, Song Weikang, Li Zhengxiu, Jiang Siyuan

    Published 2018-01-01
    “…Firstly,through finite element calculation,the effects of squirrel cage rotor slot parameters on transmission torque and starting torque of squirrel cage permanent magnetic asynchronous couplers and the effects of copper thickness on transmission torque and efficiency of compound solid type permanent magnetic asynchronous couplers are respectively discussed. …”
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    Article
  5. 945

    Core Microstructure and Strain State Analysis in MgB2 Wires with Different Metal Sheaths by C. E. Sobrero, M. T. Malachevsky, A. Serquis

    Published 2015-01-01
    “…Several Ti, stainless steel, and copper monofilamentary wires were prepared using these powders by the PIT method. …”
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    Article
  6. 946

    Understanding and Applying Chelated Fertilizers Effectively Based on Soil pH by Guodong Liu, Edward Hanlon, Yuncong Li

    Published 2012-11-01
    “…Those nutrients in concentrations of  ≤ 100 parts per million (ppm) in plant tissues are described as micronutrients and include iron (Fe), zinc (Zn), manganese (Mn), copper (Cu), boron (B), chlorine (Cl), molybdenum (Mo), and nickel (Ni). …”
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    Article
  7. 947

    The traces of roman metallurgy in Eastern Serbia by Petković Sofija

    Published 2009-01-01
    “…Three mining-metallurgical regions abounding in gold, silver, copper, iron and lead could be distinguished there: 1. the upper course of the Pek river, metalla Pincensia, 2. the area between Bor, Zlot, Crna Reka and Rgotina and 3. the area in the river basin of Beli Timok, two latter ones had been organized as territoria metallorum. …”
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    Article
  8. 948

    Optimization of the Shell Thickness of the ZnO/CdS Core-Shell Nanowire Arrays in a CZTS Absorber by Chonge Wang, Boubacar Drame, Lucien Niare, Fu Yuegang

    Published 2022-01-01
    “…Copper-zinc-tin-sulfide (CZTS) solar cells have now become a topic of interest in the solar power generation industry. …”
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    Article
  9. 949

    ESP32 charging system prototype for EV: Design and implementation using wireless energy transmission by Sallem Amin, Souissi Zied, Nasri Mohamed Aziz, Benhala Bachir, Masmoudi Nouri

    Published 2025-01-01
    “…Batteries, transformers, solar panels, copper coils, regulator circuits, ESP32 controllers, AC / DC converters are among the prototype design components.…”
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    Article
  10. 950

    Determination of Toxic Metals in Indian Smokeless Tobacco Products by Dhanashri Dhaware, Aditi Deshpande, R. N. Khandekar, Rohini Chowgule

    Published 2009-01-01
    “…The metals selected in the study included lead (Pb), cadmium (Cd), arsenic (As), copper (Cu), mercury (Hg), and selenium (Se). The differential pulse anodic stripping voltammetry (DPASV) technique was used for estimating the metals Pb, Cd, and Cu; square wave voltammetry for As; and the cold vapor atomic absorption technique for Hg. …”
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    Article
  11. 951

    Manuscript Documentation and Conservation Treatment: A Mamluk Manuscript from the 15th Century by Nil Baydar

    Published 2013-11-01
    “…Some of the kinds of damage observed in the object were: The binding and text block were on the point of separating from each other; it suffered considerable losses because of the “jengar” (copper containing pigments) on the object’s pages; old restorations had lost their function. …”
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    Article
  12. 952

    L’agglomération de Bliesbruck (Moselle) durant l’Antiquité tardive : entre ruptures et continuités by Sonia Antonelli, Jean-Paul Petit

    Published 2017-12-01
    “…. – is characterised by a strong artisanal activity, such as copper alloys-working from recovered metal, the important diffusion of Argonne and Eifel ceramics and the circulation of numerous coins, including a remarkable proportion of the extreme end of the 4th and 5th c. …”
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  13. 953

    Understanding and Applying Chelated Fertilizers Effectively Based on Soil pH by Guodong Liu, Edward Hanlon, Yuncong Li

    Published 2012-11-01
    “…Those nutrients in concentrations of  ≤ 100 parts per million (ppm) in plant tissues are described as micronutrients and include iron (Fe), zinc (Zn), manganese (Mn), copper (Cu), boron (B), chlorine (Cl), molybdenum (Mo), and nickel (Ni). …”
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    Article
  14. 954

    Calculation of activities in Ga-Cd and Cu-Pb binary systems by Manasijević Dragan, Živković Dragana, Živković Živan D.

    Published 2002-01-01
    “…First, activities of cadmium at 700 K and copper at 1263 K in Ca - Cd and Cu - Pb systems, respectively, were calculated by melting point depression method and Zhang-Chou method for binary systems with phase diagrams involving two liquid or solid coexisting phases. …”
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  15. 955

    2-Hydroxy-5-methylbenzophenone oxime(HMBO) as an Analytical Reagent for Gravimetric Determination of Cu(II) by S. K. Shingadia, K. K. Desai

    Published 2007-01-01
    “…2-Hydroxy-5-methylbenzophenone oxime (HMBO) was developed as a new analytical reagent for the gravimetric determination of divalent copper ion. In pH rang of 3.0 to 6.0, the reagent gives a buff colored precipitate with Cu(II). …”
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    Article
  16. 956

    Complex Study of Settlements Dating from the Paleolithic to Medieval Period in the Ural Mountains on the Border of Europe and Asia by Valentina Prikhodko, Nikita Savelev, Vyacheslav Kotov, Sergey Nikolaev, Evgeny Ruslanov, Mikhail Rumyantsev, Elena Manakhova

    Published 2025-01-01
    “…The proximity of sites to deposits of copper, chromium, zinc, and manganese in the Ural Mountains creates natural high-content anomalies in the region, as indicated by their abundance in soils and parent rocks. …”
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    Article
  17. 957

    Health Risk of Ingested Heavy Metals in Fluidized Canned Milks: Are We Drinking Heavy Metals? by Victor Eshu Okpashi

    Published 2022-01-01
    “…All milk samples contained eight heavy metals: iron (Fe), copper (Cu), zinc (Zn), arsenic (As), lead (Pb), cadmium (Cd), manganese (Mn), and nickel (Ni). …”
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  18. 958

    Validation of heavy metals in geothermal to support water management practices and mitigation strategies by G.M. Idroes, D.P. Rezeki, K. Khairi, K. Khairan, R. Idroes, E. Suhartono, R. Prasetio, S.A. Rahman, S. Suhendrayatna

    Published 2024-11-01
    “…BACKGROUND AND OBJECTIVES: This study aimed to evaluate and validate the concentrations of six heavy metals, specifically lead, cadmium, copper, chromium, zinc, and iron, found in geothermal water from the Mount Kembar Region in Gayo Lues Regency, Aceh Province. …”
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  19. 959

    Microstructural and Mechanical Analysis of Sintered Powdered Aluminium Composites by Rajesh Kumar Behera, B. P. Samal, S. C. Panigrahi, K. K. Muduli

    Published 2020-01-01
    “…Aluminium powders of 99.55% purity and 325 mesh sizes are mixed with alloying metals such as copper, magnesium, silicon, and silicon carbide powders in a precisely controlled quantity. …”
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  20. 960

    Interactions of Cu-substrates with titanium-alloyed Sn-Zn solders by Soares D., Barbosa J., Vilarinho C.

    Published 2006-01-01
    “…The interactions of copper substrate with titanium-alloyed Sn-Zn eutectic solders have been studied. …”
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