Showing 781 - 800 results of 4,952 for search 'different compression', query time: 0.12s Refine Results
  1. 781
  2. 782

    Macroscopic and Mesoscopic Mechanical Properties of Mine Tailings with Different Dry Densities under Different Confining Pressures by Zhi-jun Zhang, Yao-hui Guo, Ya-kun Tian, Lin Hu, Xi-xian Wang, Huai-miao Zheng, Ling-ling Wu

    Published 2020-01-01
    “…Particle flow numerical simulation software (PFC3D) was utilized to establish the consolidated-undrained triaxial compression test numerical models of mine tailings with different dry densities to deeply investigate the macroscopic and microscopic characteristics of mine tailings in a tailing pond in Hunan Province. …”
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  3. 783
  4. 784
  5. 785

    Experimental Investigation of Thermal Cracking and Permeability Evolution of Granite with Varying Initial Damage under High Temperature and Triaxial Compression by Xiangxi Meng, Weitao Liu, Tao Meng

    Published 2018-01-01
    “…In this paper, uniaxial compression tests of granite specimens with different axial compression are designed, and then a solid-head-designed coupling triaxial testing system is applied to study thermal cracking and permeability evolution of granite specimen with different damage at different inlet gas pressures (1, 2, 4, and 6 MPa) and temperatures (ranging from 100 to 650°C). …”
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  6. 786

    Comparative analysis of the effectiveness of BPG, AGU, AVIF and HEIF compression methods for medical images corrupted by noise of two types by Viktoriia Naumenko, Volodymyr Lukin, Vitalii Naumenko, Nadiia Kozhemiakina, Mykyta Solodovnyk

    Published 2025-05-01
    “…The subject matter is lossy compression using the BPG, AGU, AVIF, and HEIF encoders for medical images with different levels of visual complexity corrupted by additive Gaussian and Poisson noise. …”
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  7. 787

    A Review on Heat Transfer Enhancement in Shell-and-tube Heat Exchanger of Compression Type Refrigeration and Air Conditioning Unit by Zhang Zhengguo, Shi Guoquan, Xu Tao, Gao Xuenong, Wang Shuangfeng

    Published 2012-01-01
    “…Heat exchangers including condenser and evaporator are important equipments in the compression type refrigeration and air conditioning units, and their heat transfer coefficients have a direct effect on the efficiency and cost of the units. …”
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  8. 788

    Research on the Fatigue Properties of High Strength Concrete after Exposure to High Temperature under Low Cyclic Compressive Loading by Linhao Wang, Haijing Gao, Haibiao Gao, Zhili Luo

    Published 2018-01-01
    “…By using an electrohydraulic servo fatigue testing machine, fatigue tests were performed on C60 high strength concrete (HSC) under low cyclic compressive loading after undergoing normal temperature, 200°C, 400°C, 600°C, and 800°C. …”
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  9. 789

    Chemical Stabilisation of Clayey Soil—Comparison of a Variety of Additives with Respect to Their Effects on the Soil Compressive Strength and Shear Strength by Zoran Bonić, Elefterija Zlatanović, Nemanja Marinković, Nikola Romić, Nebojša Davidović, Snežana Djorić-Veljković, Dragan M. Djordjević

    Published 2025-02-01
    “…In the first stage of the research, comprehensive analyses were conducted on the effect of each of the selected stabilisers on the compressive strength of the soil. Each of the selected stabilisers was considered with three different content percentages in the soil mixture, with the aim of determining the optimal stabiliser content. …”
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  10. 790

    Nested compressive sensing for ECG signals using novel hybrid two-level approach of DWT and DCT sensing and sparsification by Subramanyam Shashi Kumar, Prakash Ramachandran

    Published 2024-12-01
    “…It is tested on 9 ECG signals of different arrhythmia categories obtained from MITBIH and BIDMC dataset. …”
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  11. 791

    MSCSCC-Net: multi-scale contextual spatial-channel correlation network for forgery detection and localization of JPEG-compressed image by Wuyang Shan, Jingchuan Yue, Steven X. Ding, Junying Qiu

    Published 2025-04-01
    “…Abstract JPEG artifacts produced during the JPEG compression may obscure forgery artifacts, impairing the efficiency of regular forgery detection and localization approaches. …”
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  12. 792

    Development of empirical equations between uniaxial compressive strength and point load index: a case study for sandy dolomite by Meiqian Wang, Wenlian Liu, Haiming Liu, Wei Xu

    Published 2024-11-01
    “…A comprehensive suite of geotechnical tests was conducted, which included CT scanning, cathodoluminescence, density, porosity, softening coefficient, saturation coefficient, point load test, and uniaxial compressive strength (UCS) test. The Point load index (I s(50) ) model for predicting UCS of different sandification degrees dolomite under dry and saturated conditions were analyzed by least square regression, and the empirical equation with correlation coefficient (R 2) between 0.7372 and 0.8347 are obtained. …”
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  13. 793

    A Neural Network-Based Prediction of Superplasticizers Effect on the Workability and Compressive Characteristics of Portland Pozzolana Cement-Based Mortars by P. Manikandan, V. Vasugi, V. Prem Kumar, S. Duraimurugan, M. Sankar, A. Chithambar Ganesh, G. Senthil Kumaran

    Published 2023-01-01
    “…PPC mortar cubes were prepared, cured, and examined to assess the inclusion of chemical admixtures on compressive strength at different ages (1, 3, 7, 14, and 28 days). …”
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  14. 794

    Coupled infrared radiation temperature and acoustic monitoring of damage characteristics on saturated red sandstone under uniaxial compression loading by Lu Chen, Shuaifeng Yin, En Wang, Hao Qi, Yanchao Hou, Xuhao Kang

    Published 2025-09-01
    “…To explore the damage evolution mechanism and multi-physical response characteristics of rock with different water content, the infrared thermography and acoustic emission technology were used to monitor the red sandstone under uniaxial compression loading. …”
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  15. 795

    Experimental Investigation and Parametric Analysis of the Mechanical Properties of Aluminum Alloy Thin-Walled Hollow Columns under Axial Compression by Longlong Zhao, Fei Xi, Qinglong Wang, Yang Wei

    Published 2022-01-01
    “…Four groups of axial compression trials of aluminum alloy thin-walled hollow columns with different heights were accomplished, and the test phenomena and data were concurrently observed and recorded. …”
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  16. 796

    Mechanical Behavior of 3D Crack Growth in Transparent Rock-Like Material Containing Preexisting Flaws under Compression by Hu-Dan Tang, Zhen-De Zhu, Ming-Li Zhu, Heng-Xing Lin

    Published 2015-01-01
    “…Mechanical behavior of 3D crack propagation and coalescence is investigated in rock-like material under uniaxial compression. A new transparent rock-like material is developed and a series of uniaxial compressive tests on low temperature transparent resin materials with preexisting 3D flaws are performed in laboratory, with changing values of bridge angle β (inclination between the inner tips of the two preexisting flaws) of preexisting flaws in specimens. …”
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  17. 797

    Axial Compressive Behavior of GFRP Tube Confined Seawater and Sea Sand Concrete Columns: Experimental Investigation and Theoretical Analysis by Jiansheng Cui, Hao Cheng, Qinghai Xie, Zhongling Zong

    Published 2024-01-01
    “…Adding a certain amount of fly ash to the core concrete can improve the ultimate bearing capacity of the composite column, but the ultimate bearing capacity decreases when the amount of fly ash is too large. The compressive behavior of GFRP tube confined SSC columns is not very different from that of GFRP tube confined ordinary concrete columns. …”
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  18. 798

    Effect of some prepared superplasticizers (Cyclohexanone Based) on compressive strength and physico-chemical properties of oil well cement pastes by I. Aiad, A.M. Al-Sabagh, S.H. Shafek, A.I. Adawy, S.A. Abo-EL-Enein

    Published 2017-09-01
    “…Two different superplasticizers particularly cyclohexanone formaldehyde sulfanilate (CFS) and cyclohexanone glyoxylic sulfanilate (CGS) were prepared; also, their effect on mechanical and physico-chemical properties of oil well cement was assessed. …”
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  19. 799

    Numerical/experimental investigation of energy absorption and compressive properties in 3D-printed bi/multi-material polymeric metamaterials by Shokouh Dezianian, Mohammad Azadi

    Published 2025-05-01
    “…These cells were arranged next to each other in the samples according to the D695 standard. In addition, six different combinations of materials were considered for the bi-material and multi-material structures. …”
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  20. 800

    Respiratory Motion Correction for Compressively Sampled Free Breathing Cardiac MRI Using Smooth l1-Norm Approximation by Muhammad Bilal, Jawad Ali Shah, Ijaz M. Qureshi, Kushsairy Kadir

    Published 2018-01-01
    “…In the first step, compressively sampled MR images are recovered by solving an optimization problem using gradient descent algorithm. …”
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