Showing 541 - 560 results of 886 for search '"gravity"', query time: 0.04s Refine Results
  1. 541

    Field Equations and Lagrangian of the Kaluza Energy-Momentum Tensor by L. L. Williams

    Published 2020-01-01
    “…We find an ADM-like neutralization of gravity at high specific charge states and a saturation in field strength at high specific charge-to-mass ratios.…”
    Get full text
    Article
  2. 542

    Satellite Attitude Control System Simulator by G.T. Conti, L.C.G. Souza

    Published 2008-01-01
    “…The difficulties for developing experimental ACS test is to obtain zero gravity and torque free conditions similar to the SCA operate in space. …”
    Get full text
    Article
  3. 543

    Characteristics of Sand at Major Quarrying Areas around Addis Ababa by Daniel Shewatatek, Belestie Tenaw, Asratie Yemiru, Gebrehana Belete, Tena Tadesse, Tamiru Tolla

    Published 2022-01-01
    “…This study focused on the measurements of physical and chemical characteristics of sand samples taken from Atayie, Je-wuha, Ziway (4 quarrying sites), Mekie (4 quarrying sites), and Soderie (2 quarrying sites) were analyzed by conducting different tests, such as silt content, moisture content, bulking, sieve size, unit weight, specific gravity, water absorption, and organic impurities tests. …”
    Get full text
    Article
  4. 544

    Generalization of the Randall-Sundrum Model Using Gravitational Model F(T,Θ) by S. Davood Sadatian, S. M. Hosseini

    Published 2018-01-01
    “…In this letter, we explore a generalized model based on two scenarios including the Randall-Sundrum model and gravity model F(T,Θ). We first study the standard Randall-Sundrum gravitational model and then add a function containing two parameters as torsion and trace energy-momentum tensor to the main action of the model. …”
    Get full text
    Article
  5. 545

    Measurement of Total Flow Rates in Horizontal Well Oil-Water Two-Phase Flows by the Application of BP Neural Network Algorithm to Production Array Logs by Xin Zhang, Hongwei Song, Haimin Guo, Xinlei Shi

    Published 2022-01-01
    “…Among them, the total flow rate of mixture fluid in a horizontal well is difficult to obtain due to the phase segregation caused by gravity. Therefore, it is a difficult and hot issue. …”
    Get full text
    Article
  6. 546

    Study on Evolution Characteristics and Instability Model of Overburden Stress Shell with the Longwall Mining along Strike by Wanrong Liu, Qingwen Shi

    Published 2021-01-01
    “…During the process of long wall mining, due to the continuous fracture and collapse of roof, a stress shell composed of high stress is formed around the surrounding rock of the stope. The gravity of the overlying rock is transferred to the coal body around the stope through the stress shell. …”
    Get full text
    Article
  7. 547

    A classroom study on the perception and production of Basque sibilant fricatives by native speakers of English by Ander Beristain

    Published 2025-01-01
    “…Ten students enrolled in a Beginners’ Basque course and two native speakers of Basque serving as control group undertook a read-aloud task (Experiment 1) followed by an ABX discrimination task (Experiment 2) during Week 5 of classes. Center of Gravity and accuracy scores were extracted. Results show that learners tended to merge the two apical sibilants into an English /s/-like sound. …”
    Get full text
    Article
  8. 548

    The Dynamic Properties of Historic Timber-Framed Masonry Structures in Bursa, Turkey by M. Bilal Bağbancı, Özlem Köprülü Bağbancı

    Published 2018-01-01
    “…The physical, mechanical, and dynamic parameters such as density, specific gravity, porosity, elastic modulus, frequencies, mode shapes, and damping ratios of the studied structures were investigated and the results were comparatively discussed. …”
    Get full text
    Article
  9. 549

    Automated Shape Analysis and DEM Study on Graded Crushed Stone by Hao Bai, Ruidong Li, Xiangyu Hu, Fei Chen, Zhiyong Liao

    Published 2021-01-01
    “…Moreover, based on the establishment of the GCS shape library, the gravity deposition with various elongations is simulated using the discrete element method to study the packing features of GCS. …”
    Get full text
    Article
  10. 550

    Predictability of tropical cyclone track density in S2S reforecast by Chi Lok Loi, Kai-Chih Tseng, Chun-Chieh Wu

    Published 2025-01-01
    “…Another discovery is the strong relationship between APTM-7 and the activity of mixed Rossby-gravity (MRG) waves and tropical depression (TD) type disturbances despite its short APT of ~12 days. …”
    Get full text
    Article
  11. 551

    High Pressure Falling Sinker Liquid Viscosity Determination without Supplementary Density Data: A New Approach by Minyu Zeng, Carl Schaschke

    Published 2009-01-01
    “…The viscometer, which involves the downward movement of a cylindrical sinker under the influence of gravity through the liquid contained within a closed tube, avoided the need for density data by repeating the sinker-timing experiments with two geometrically similar but different-sized sinkers thereby allowing the liquid density in the associated formulae to be eliminated. …”
    Get full text
    Article
  12. 552

    Construction of Regional Logistics Weighted Network Model and Its Robust optimization: Evidence from China by Lizhao Yan, Yi Wen, Kok Lay Teo, Jian Liu, Fei Xu

    Published 2020-01-01
    “…In this paper, we construct a regional logistics model from a macroperspective. First, based on the gravity model, the index of logistics attraction between cities is established as the weight of the model, and hence the regional logistics weighted model is constructed. …”
    Get full text
    Article
  13. 553

    Postpartum Hemorrhage by Michelle J. Wang, Yinka Oyelese, Yang Pan

    Published 2025-01-01
    “…All involved in the care of pregnant women must be aware of the gravity of this problem, ways of identifying women at risk for severe hemorrhage at childbirth, strategies for preventing and ameliorating blood loss at delivery, and finally ways to deal with obstetric hemorrhage when it does occur. …”
    Get full text
    Article
  14. 554

    Noncommutative Relativistic Spacetimes and Worldlines from 2 + 1 Quantum (Anti-)de Sitter Groups by Ángel Ballesteros, N. Rossano Bruno, Francisco J. Herranz

    Published 2017-01-01
    “…Furthermore, quantum (anti-)de Sitter algebras are presented both in the known basis related to 2 + 1 quantum gravity and in a new one which generalizes the bicrossproduct one. …”
    Get full text
    Article
  15. 555

    Analysis of Stress Characteristics and the Engineering Application of the Self-Balancing Retaining Wall by Fei Gan, XiaoMing Ye, Ke Yin, Meilin Li, Jing Bi

    Published 2017-01-01
    “…The results show that the idea of using upper gravity retaining wall as the resistance of lower retaining wall is clever and reasonable that the self-balance retaining wall has a very wide scope of application relying on the anchor tensile conditions rarely and that the self-balance retaining wall has a great economic value with low cost. …”
    Get full text
    Article
  16. 556

    Experimental Study on Progressive Collapse Performance of Frame with Specially Shaped Columns Subjected to Middle Column Removal by Tiecheng Wang, Qingwei Chen, Hailong Zhao, Lei Zhang

    Published 2016-01-01
    “…A vertical concentrated load was applied to the top of the middle column to simulate the gravity load of the upper floors and the applied load was statically transmitted to the adjacent columns through the frame beams and slabs during the collapse process. …”
    Get full text
    Article
  17. 557

    Modeling and Analysis of Vehicle Shimmy with Consideration of the Coupling Effects of Vehicle Body by Xiaogao Li, Ning Zhang, Xianjian Jin, Nan Chen

    Published 2019-01-01
    “…Finally, the relationship between the amplitude of each DoF and vehicle velocity and the influences of vehicle parameters such as the mass of vehicle body, the longitudinal position of the center of gravity of vehicle body, and the inclination angle of front suspension on shimmy are studied.…”
    Get full text
    Article
  18. 558

    On the Definition of Energy for a Continuum, Its Conservation Laws, and the Energy-Momentum Tensor by Mayeul Arminjon

    Published 2016-01-01
    “…First, we analyze the emergence of a true local conservation equation for the energy of a continuous medium, taking the example of an isentropic continuum in Newtonian gravity. Next, we consider a continuum or a system of fields in special relativity: we recall that the conservation of the energy-momentum tensor contains two local conservation equations of the same kind as before. …”
    Get full text
    Article
  19. 559

    As Spirits Speak: Interaction in Wauja Exoteric Ritual by Christopher Ball

    Published 2011-10-01
    “…The conversation is facilitated by a group of representatives from the village, consociates who agree to speak as spirits, and in so doing enter into a contractual relationship of exchange with the sick person and the spirits that involves various obligations and rewards that may span a lifetime, in sickness or in health. In view of the gravity of the circumstance and the weight of the obligation it creates, the ritual interaction is a surprisingly inelaborate and quotidian counterpart to Wauja esoteric shamanic practice and elaborate collective rituals involving music and dance. …”
    Get full text
    Article
  20. 560

    Ecocritical review of the nature essays of university students: a translation and metaphor study by Alican Pandapatan

    Published 2023-05-01
    “…Indeed, the use of metaphor in the daily communication helps man to be certain and the gravity of meanings of expressions used. Man is naturally metaphorical which reveal their ability to connect things, concretize abstract forms of meaning, and produce new concepts of semantic terms.…”
    Get full text
    Article