Showing 501 - 520 results of 1,914 for search '"gold"', query time: 0.05s Refine Results
  1. 501

    Improving the Stability of Subsurface Structures in Deep Metal Mines by Stress and Energy Adjustment: A Case Study by Huanxin Liu, Xingquan Liu, Zhuoying Tan, Yang Liu, Guilin Li

    Published 2021-01-01
    “…In this paper, the mechanism of structural failure and instability is discussed, and optimized excavation methods are proposed for stress control in deep gold mines. Based on the field observation and investigation of the joints distribution and rock failure modes at 800–1200 m depth of several large gold mines and a typical ultradeep borehole (2017 m depth) in northwest Jiaodong Peninsula, three engineering methods for reducing stress, including the stress transferring by mining optimizations, pressure relief by boreholes, and energy release in advance by optimizations of excavation and support, are analyzed by numerical simulation and field monitoring. …”
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  2. 502
  3. 503

    Experimental methods for the characterization of fatigue in microstructures by G. De Pasquale, A. Somà

    Published 2012-12-01
    “…The mechanical fatigue behavior of gold microbeams is analyzed. Dedicated devices have been designed and built able to produce alternate loading on gold specimens; the electrostatic actuation is used as driving force. …”
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    Article
  4. 504

    Evaluation of PROPER (business performance rating on environmental management) in Indonesia by Hadi Sudharto P., Prabawani Bulan, Ainuddin Ilham, Qomariah Anis

    Published 2025-01-01
    “…Since 2013, innovation was the framework of proper in which participating companies pursue green and gold rank or beyond compliance must adopt eco-innovation and social innovation. …”
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  5. 505
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  7. 507

    Evaluation of the effect of temperature on cyclic fatigue resistance of three types of Nickel-Titanium rotary files with various alloy properties: An in vitro study by Dara H. Saeed, Fadi A. Rafea

    Published 2019-06-01
    “…The HyFlex EDM OneFile was more resistant to cyclic fatigue than the ProTaper Gold F2 and 2Shape TS2 files at room and body temperatures. …”
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    Article
  8. 508

    Flow-Volume Parameters in COPD Related to Extended Measurements of Lung Volume, Diffusion, and Resistance by Linnea Jarenbäck, Jaro Ankerst, Leif Bjermer, Ellen Tufvesson

    Published 2013-01-01
    “…Classification of COPD into different GOLD stages is based on forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC) but has shown to be of limited value. …”
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  9. 509
  10. 510

    The Effects of Macroeconomic Variables on the BIST 100 Index: ARDL and NARDL Approaches by Mohammed Algoni, Mehmet İvrendi

    Published 2024-06-01
    “…The objective of this research is to analyze the signal, magnitude, and significance of both symmetric and asymmetric effects of interest rate, taxes, exchange rate, oil price, and gold price on the Turkish stock market (BIST100). …”
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  11. 511

    The Impact of Assimilating Ionosphere and Thermosphere Observations on Neutral Temperature Improvement: Observing System Simulation Experiments Using EnKF by Jianhui He, Xinan Yue, Zhipeng Ren

    Published 2021-10-01
    “…The main findings are as follows: (a) A considerable improvement of the neutral temperature estimation of the physical‐based model can be obtained in the global region by assimilating either the MIT VTEC or the GOLD Tdisk observations; (b) the assimilation of the GOLD can further contribute to temperature improvement in the lower thermosphere (<200 km), relative to the MIT VTEC assimilation; and (c) simultaneously assimilating both observation types can better improve the quality of neutral temperature estimation over the global area during the whole data assimilation process. …”
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    Article
  12. 512

    Evaluation of Cyclic Fatigue Resistance of Novel Replica-Like Instruments in Static Test Model by Uğur Aydın, Melih Özdemir, Emre Çulha, Muazzez Naz Baştürk Özer, Bilal Turan

    Published 2024-01-01
    “…The aim of our study is to comparatively analyze the canal cyclic fatigue resistance of widely used rotary file systems, including EndoArt Touch Gold (ETG), Perfect MTF Plus Gold (PPG), Fanta V-Taper Gold (FVG), and ProTaper Next (PTN). …”
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  13. 513

    Formation of Au-Silane Bonds by Shira Yochelis, Eran Katzir, Yoav Kalcheim, Vitaly Gutkin, Oded Millo, Yossi Paltiel

    Published 2012-01-01
    “…With this respect, we choose to investigate self-assembly of disilane molecules sandwiched between gold surface and gold nanoparticles. These assemblies are found to exhibit covalent bonds not only between the anchoring Si groups and the gold surfaces but also in plane crosslinks that increase the monolayer stability. …”
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  17. 517

    Modelling Seismically Induced Mesothermal Goldfields along the Deep-Rooted Cadillac-Larder Lake Fault, Abitibi, Canada by Pierre Bedeaux, Silvain Rafini, Pierre Pilote, Réal Daigneault

    Published 2018-01-01
    “…Gold deposits are not uniformly distributed along major faults due to complex (and long-debated) interactions between seismicity, hydrothermalism, and structural heterogeneities. …”
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  18. 518

    Green Nanoparticles for Mosquito Control by Namita Soni, Soam Prakash

    Published 2014-01-01
    “…Here, we have used the green method for synthesis of silver and gold nanoparticles. In the present study the silver (Ag) and gold (Au) nanoparticles (NPs) were synthesized by using the aqueous bark extract of Indian spice dalchini (Cinnamomum zeylanicum) (C. zyelanicum or C. verum J. …”
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    Extracting Kinetic Freeze-Out Properties in High-Energy Collisions Using a Multisource Thermal Model by Jia-Yu Chen, Mai-Ying Duan, Fu-Hu Liu, Khusniddin K. Olimov

    Published 2024-01-01
    “…We study the transverse momentum (pT) spectra of neutral pions and identified charged hadrons produced in proton–proton (pp), deuteron–gold (d–Au), and goldgold (Au–Au) collisions at the center of mass energy sNN=200 GeV. …”
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