Showing 5,241 - 5,260 results of 7,249 for search '"metals"', query time: 0.09s Refine Results
  1. 5241

    Occult Orbital Injury with Dagger Fragment with Resulting Pneumocephalus by Lucía Jáñez-García, Enrique Mencía-Gutiérrez, Esperanza Gutiérrez-Díaz, Luis F. Moreno-García-Rubio, Laura Zarratea-Herreros, Álvaro Bengoa-González, Silvia Pérez-Trigo

    Published 2018-01-01
    “…Cranial CT scan showed a metallic intraorbital foreign body consisting of a fragment of a dagger which perforated the eyeball, and penetrated through the superomedial wall of the orbit into the anterior cranial fossa. …”
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  2. 5242

    Efeitos permanentes da poluição oriunda da ruptura da barragem da empresa Samarco em Mariana (Minas Gerais) sobre a planície costeira do Rio Doce, Espírito Santo by Cláudio Luiz Zanotelli

    Published 2024-08-01
    “…In particular, we analyzed this fact based on secondary data from a research, little explored, on water heavy metal pollution between 2018 and 2021 in two points of the Rio Doce, in the city of Linhares and at the mouth of the same river, as well as we were based on fieldwork and interviews with fishermen. …”
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  3. 5243

    Time and frequency domain models for multiaxial fatigue life estimation under random loading by Andrea Carpinteri, Andrea Spagnoli, Camilla Ronchei, Sabrina Vantadori

    Published 2015-07-01
    “…In the present paper, a multiaxial criterion formulated in the frequency-domain is presented to estimate the fatigue lives of smooth metallic structures subjected to combined bending and torsion random loading. …”
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  4. 5244

    Catalytic Synthesis of the Biofuel 5-Ethoxymethylfurfural (EMF) from Biomass Sugars by Dayong Yu, Xiaofang Liu, Jingjing Jiang, Yixuan Liu, Jinyu Tan, Hu Li

    Published 2021-01-01
    “…Focus is placed on discussing the catalytic efficiency with pros and cons of different acid catalysts, including homogeneous catalysts (i.e., liquid acids and metal salts), heterogeneous catalysts (i.e., zeolites, heteropolyacid-based hybrids, and SO3H-based catalysts), ionic liquids, mixed acid catalysts, and deep eutectic solvents (DESs). …”
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  5. 5245

    A Simplified ALE model for finite element simulation of ballistic impacts with bullet splash – development and experimental validation by Riccardo Andreotti, Sergio Abate, Andrea Casaroli, Mauro Quercia, Riccardo Fossati, Marco V. Boniardi

    Published 2021-06-01
    “…The bullet splash phenomenon has been tested by experimental analyses of AISI 304L plates impacted by 9x21 FMJ (full metal jacket) bullets. The model has been developed with the aim of creating a simplified approach to be used in the industry and forensic sciences to simulate the non-penetrating interaction of soft impactors with hard targets. …”
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  6. 5246

    Research on Cutting Force of Turn-Milling Based on Thin-Walled Blade by Lida Zhu, Baoguang Liu, Xiaobang Wang, Zhiwei Xu

    Published 2016-01-01
    “…Turn-milling is regarded as the milling of a curved surface while rotating the workpiece around its center point, which combines effectively the advantages of both turning and milling, wherein it allows for good metal removal with the difficult-to-cut thin-walled workpieces in aviation. …”
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  7. 5247

    MICRO THERMAL ELASTOHYDRODYNAMIC LUBRICATION ANALYSIS OF LINE CONTACT ROLLER PAIRS CONSIDERING THE CHANGE OF ELASTIC MODULUS by LU ZunYou, LV YanJun

    Published 2021-01-01
    “…As an important performance parameter of metal materials,the elastic modulus changes with temperature.However,in the analysis of thermal elastohydrodynamic lubrication,the elastic modulus has been taken as a constant,and there must be an error in the calculation results. …”
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  8. 5248

    KIYMETLİ MADENLERİN PORTFÖY ÇEŞİTLENDİRMESİNE KATKISI:BİST UYGULAMASI by Devran Deniz, Şakir Sakarya, Hasan Aydın Okuyan

    Published 2018-06-01
    “…Ayrıca çalışmada emtiaların portföy çeşitlendirmesine katkısıdeğerlendirilmiş ve diğer değerli metaller olan platinyum ve gümüşün de hissesenedi portföy çeşitlendirmesine katkı sağlayacağına dair bulgularedinilmiştir.…”
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  9. 5249

    Methodology of hydrogen embrittlement study of long-term operated natural gas distribution pipeline steels caused by hydrogen transport by Hryhoriy Nykyforchyn, Olha Zvirko, Myroslava Hredil, Halyna Krechkovska, Oleksandr Tsyrulnyk, Oleksandra Student, Leonid Unigovskyi

    Published 2022-01-01
    “…The determination of hydrogen concentration in metal, metallographic and fractographic analyses have been supplemented the study. …”
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  10. 5250

    Partially Transparent Jaumann-Like Absorber Applied to a Curved Structure by Alireza Motevasselian, B. L. G. Jonsson

    Published 2011-01-01
    “…A Jaumann absorber with its metal backing replaced with a combined low-pass and polarizer FSS is investigated with respect to its absorption and its polarization-dependent low-frequency transparency properties. …”
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  11. 5251

    2D Gain Enhancement Based on Single-Layer SIW Corrugated Technique with Slot Array Feeder by Mingtuan Lin, Chenglong Lin

    Published 2018-01-01
    “…Novel slot-array-based SIW corrugated technique is demonstrated to achieve 2D gain enhancement, namely, sharpening the beamwidths in both E-plane and H-plane. Compared to other metallic corrugated methods to realize 2D gain enhancement, the proposed design, with SIW grooves to reduce the beamwidth in E-plane and slot array to increase the directivity in H-plane, has a lower profile, weight, and design complexity, which can be easily fabricated with the common printed circuit board (PCB) technique. …”
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  12. 5252

    Un nouvel habitat du Bronze final IIIb dans le Val d’Orléans et ses traces de métallurgie du fer : Bonnée, Les Terres à l’Est du Bourg (Centre, Loiret) by Stéphane Joly, Florent Mercey, Anne Filippini, Valérie Abenzoar, Morgane Liard, Frédéric Poupon

    Published 2011-12-01
    “…The joint study of the different furnishings, in particular ceramics and metal, but also the cob and fauna, attests to its material culture and its interest. …”
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  13. 5253

    Biomimetic Approach to CO2 Reduction by Ilaria Gamba

    Published 2018-01-01
    “…Biomimetic transition metal complexes are considered ideal platforms to develop efficient and selective catalysts to be implemented in electrocatalytic and photocatalytic devices. …”
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  14. 5254

    Transport of Zn (II) by TDDA-Polypropylene Supported Liquid Membranes and Recovery from Waste Discharge Liquor of Galvanizing Plant of Zn (II) by Hanif Ur Rehman, Gul Akhtar, Haroon Ur Rashid, Nauman Ali, Imtiaz Ahmad, Saeed Ur Rehman, Kamin Khan, Muhammad Arshad

    Published 2017-01-01
    “…The effect of acid and metal ion concentration in the feed solution, the carrier concentration in membrane phase, stripping agent concentration in stripping phase, and coions on the extraction of Zn (II) was investigated. …”
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  15. 5255

    Synthesis and Evaluation of Cytotoxicity and Molecular Docking of New Symmetrical Macroacyclic Schiff Base Ligands and Their Ni(II) and Zn(II) Complexes by Hassan Keypour, Mohammad Taher Rezaei, Saadat Hajari, Mahdi Jamshidi, Seyed Hamed Moazzami Farida

    Published 2023-01-01
    “…Furthermore, Ni(ClO4)2.6H2O and Zn(ClO4)2.6H2O in methanol were reacted with the ligands to prepare corresponding metal complexes. The cytotoxicity of the synthesized complexes against MCF-7 and A549 adenocarcinoma cells was evaluated, where Zn-complexes displayed greater cytotoxic effects than Ni-complexes. …”
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  16. 5256

    Use of Silica Tubes as Nanocontainers for Corrosion Inhibitor Storage by Cesia Ávila-Gonzalez, Rodolfo Cruz-Silva, Carmina Menchaca, Selene Sepulveda-Guzman, Jorge Uruchurtu

    Published 2011-01-01
    “…Silica particles were mixed with the paint at different concentrations to study their performance and ensure their free transportation to the damaged metal. The filling up of silica particles was done preparing three solutions: distilled water, acetone, and a mixture of both, with Fe(NO3)3 and silica particles immersed in each of the solutions to adsorb the inhibitor. …”
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  17. 5257

    Copper Removal from Electroplating Wastewater by Coprecipitation of Copper-Based Supramolecular Materials: Preparation and Application Study by De-Kui Bai, Quan-Hong Ying, Ni Wang, Jin-Hui Lin

    Published 2016-01-01
    “…This paper describes an experimental study for the removal of copper ions from electroplating wastewater. Different metal ions are added to the wastewater to remove copper ions by coprecipitation and the copper-based supramolecular materials with layered structures are obtained. …”
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  18. 5258

    Generation of perthiyl radicals for the synthesis of unsymmetric disulfides by Fei Zhou, Xiaochun He, Mi Zhou, Na Li, Qingqing Wang, Xuemei Zhang, Zhong Lian

    Published 2025-01-01
    “…In this paper, we report an expeditous transition-metal-free methodology for synthesizing unsymmetric disulfides through the addition of perthiyl radicals to alkenes. …”
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  19. 5259

    A PROJECT MANAGEMENT GEOINFORMATICS UTILITY FOR HEALTH PROTECTION AND SANITARY DRAWINGS IN GREEN CONSTRUCTIONS - INFRASTRUCTURE WORKS by TILEMACHOS KOLIOPOULOS, SOKRATIS THEOCHARATOS, PANAGIOTIS KOULOUMPIS, CRINA RADU, ION CRISTEA

    Published 2018-12-01
    “…Moreover, it examines the significance of phytobioremediation techniques for landfills' heavy metal concentrations and associated risks minimisation. …”
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  20. 5260

    PREDICTION OF MULTI-AXIAL CREEP LIFE FOR P92 STEEL NOTCHED BARS BASED ON TIME-HARDENING MODEL AND SKELETAL POINT STRESS METHOD by ZENG Cheng, LIU YuJie

    Published 2019-01-01
    “…A prediction method of multi-axial creep life was proposed for notched bar metal specimen. Based on the Time-Hardening creep model, the stress distribution was simulated in the notched part during creep process. …”
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