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  1. 1361
  2. 1362

    Microstructural Changes during High Temperature Service of a Cobalt-Based Superalloy First Stage Nozzle by A. Luna Ramírez, J. Porcayo-Calderon, Z. Mazur, V. M. Salinas-Bravo, L. Martinez-Gomez

    Published 2016-01-01
    “…Superalloys are a group of alloys based on nickel, iron, or cobalt, which are used to operate at high temperatures (T > 540°C) and in situations involving very high stresses like in gas turbines, particularly in the manufacture of blades, nozzles, combustors, and discs. …”
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  3. 1363
  4. 1364

    Evaluation on Filter Performance of Variational Mode Decomposition and Its Application in Separating Closely Spaced Modes by Wenjing Gu, Li Zhou

    Published 2020-01-01
    “…Compared with the noise-assisted versions of empirical mode decomposition (EMD) and wavelet packet transform (WPT), the parameter-optimized VMD can successfully separate the closely spaced modes while recovering the most modal information simultaneously. …”
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  5. 1365

    EXCHANGE RATE MISALIGNMENT AND PERFORMANCE OF THE NIGERIAN ECONOMY by Okoi Innocent Obeten, Maryjoan Ugboaku Iheanacho, Comfort Innocent Okoi

    Published 2023-09-01
    “…Historical research design was used while Augmented Dickey-Fuller (ADF) test, Johansen cointegration test and Pasimonius Error Correction Mechanism (ECM) test and estimation of relevant equations were applied. …”
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  6. 1366

    Synthesis and Characterization of 2-(Hydroxyimino)-1-(phenylpropylidene)thiocarbonohydrazide and its Metal Complexes with Co(II), Ni(II) and Cu(II) Ions by A. Venkatchallam, R. G. Deshmukh, Dilip C. Sawant

    Published 2009-01-01
    “…Also the present work report a process for producing metal complexes having the formula ML2 and (ML)2 Cl, wherein M is the divalent metal cation, like cobalt (Co+2), nickel (Ni+2) and copper (Cu+2). The compound HPTCHOPD is admixed with a basic divalent compound that is halide, mainly chloride of Co+2, Ni+2 and Cu+2 in presence of methanol-water mixture. …”
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  7. 1367

    Study on Optimization of Coal Truck Flow in Open-Pit Mine by Haiming Bao, Ruixin Zhang

    Published 2020-01-01
    “…A semicontinuous process system consisting of a single-bucket excavator, truck, crushing station, and belt conveyor is the main coal mining process system of a large-scale hard coal open-pit mine. …”
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  8. 1368

    Reliable and Energy Efficient Protocol for MANET Multicasting by Bander H. AlQarni, Ahmad S. AlMogren

    Published 2016-01-01
    “…We further present in our model a technique to provide more reliability based on a busy tone system (RMBTM) to reduce excessive control overhead caused by control packets in error recovery. We simulate our proposal using OPNET, and the results show enhancement in terms of reliability, packet delivery ratio (PDR), energy consumption, and throughput.…”
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  9. 1369

    A New Transferable Fault Diagnosis Approach of Rotating Machinery Based on Deep Autoencoder and Dominant Features Selection under Different Operating Conditions by Fei Dong, Xiao Yu, Xinguo Shi, Ke Liu, Zhaoli Wu, Wanli Yu

    Published 2021-01-01
    “…First, maximal overlap discrete wavelet packet transform is applied for signals processing and mix-domains statistical feature extraction. …”
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  10. 1370

    Performance analysis of a wireless sensor network with cognitive radio capabilities in structural health monitoring applications: A discrete model by Hassel Aurora Alcalá Garrido, Mario E Rivero-Angeles, Eleazar Aguirre Anaya, Felipe A Cruz-Perez, S Lirio Castellanos-Lopez, Genaro Hernandez-Valdez

    Published 2018-05-01
    “…Two discrete-time analytical approaches are proposed and developed to evaluate the system performance in terms of both the average packet delay and average energy consumption. The first one is an approximation suitable for the case when the time slot duration is small relative to the mean call inter-arrival time. …”
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  11. 1371

    Countermeasures to Avoid Noncooperation in Fully Self-Organized VANETs by Jezabel Molina-Gil, Pino Caballero-Gil, Cándido Caballero-Gil

    Published 2014-01-01
    “…In particular, this paper proposes the application of groups as a basis structure for a cooperation mechanism useful in event generation and in packet retransmission. Its aim is to promote the involvement of nodes in network performance. …”
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  12. 1372

    GOVERNMENT HEALTH EXPENDITURE AND EDUCATIONAL OUTCOME IN NIGERIA: INTERROGATING THE NEXUS by Aishat Princess Umar, Mathew Rotimi Ekundayo, Naphtali W. John

    Published 2023-06-01
    “…The study conducted a stationarity test using the Augmented Dickey Fuller Unit Root test and a long run relationship was tested with the aid of the Johansen test for integration. …”
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  13. 1373

    Development of Energy-Efficient Routing Protocol in Wireless Sensor Networks Using Optimal Gradient Routing with On Demand Neighborhood Information by K. Nattar Kannan, B. Paramasivan

    Published 2014-05-01
    “…It optimizes the number of hops for packet forwarding to the sink node which gives a better solution for energy consumption and delay. …”
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  14. 1374

    Monitoring System for Circular Deformation in Metro Shield Tunnels in Soft Soils by Jinfeng Zhang, Ming Zhao

    Published 2020-01-01
    “…The rotation of segments was measured using MEMS inclinometers, and the data were transmitted using ZigBee and general packet radio service (GPRS) wireless communication technology. …”
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  15. 1375
  16. 1376

    Service Differentiated and Adaptive CSMA/CA over IEEE 802.15.4 for Cyber-Physical Systems by Feng Xia, Jie Li, Ruonan Hao, Xiangjie Kong, Ruixia Gao

    Published 2013-01-01
    “…Simulation results demonstrate that the proposed SDA-CSMA/CA scheme significantly outperforms the IEEE 802.15.4 slotted CSMA/CA in terms of effective data rate, packet loss rate, and average delay.…”
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  17. 1377
  18. 1378

    MINERALOGY OF CHROMITITES OF MOUNT POKLONNAYA OF THE KARABASH MASSIF, SOUTH URALS by V.I. Popova, E.V. Belogub, M.A. Rassomakhin, V.A. Popov, P.V. Khvorov

    Published 2022-12-01
    “…The formation of Cr-magnetite, magnetite, native iron, native nickel, galena and barite is related to serpentinization. …”
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  19. 1379

    Separation of heavy metals using aqueous two-phase systems based on choline chloride/urea and betaine/urea deep eutectic solvents by Atefeh Sadeghi, Gholamreza R. Pazuki

    Published 2025-01-01
    “…These systems were also used to separate lead, cobalt, nickel and cadmium that showed their high tendency to the low phase.…”
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  20. 1380