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541
Field Equations and Lagrangian of the Kaluza Energy-Momentum Tensor
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.…”
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542
Satellite Attitude Control System Simulator
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. …”
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543
Characteristics of Sand at Major Quarrying Areas around Addis Ababa
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. …”
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544
Generalization of the Randall-Sundrum Model Using Gravitational Model F(T,Θ)
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. …”
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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
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. …”
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546
Study on Evolution Characteristics and Instability Model of Overburden Stress Shell with the Longwall Mining along Strike
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. …”
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547
A classroom study on the perception and production of Basque sibilant fricatives by native speakers of English
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. …”
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548
The Dynamic Properties of Historic Timber-Framed Masonry Structures in Bursa, Turkey
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. …”
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549
Automated Shape Analysis and DEM Study on Graded Crushed Stone
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. …”
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550
Predictability of tropical cyclone track density in S2S reforecast
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. …”
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551
High Pressure Falling Sinker Liquid Viscosity Determination without Supplementary Density Data: A New Approach
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. …”
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552
Construction of Regional Logistics Weighted Network Model and Its Robust optimization: Evidence from China
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. …”
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553
Postpartum Hemorrhage
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. …”
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554
Noncommutative Relativistic Spacetimes and Worldlines from 2 + 1 Quantum (Anti-)de Sitter Groups
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. …”
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555
Analysis of Stress Characteristics and the Engineering Application of the Self-Balancing Retaining Wall
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. …”
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556
Experimental Study on Progressive Collapse Performance of Frame with Specially Shaped Columns Subjected to Middle Column Removal
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. …”
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557
Modeling and Analysis of Vehicle Shimmy with Consideration of the Coupling Effects of Vehicle Body
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.…”
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558
On the Definition of Energy for a Continuum, Its Conservation Laws, and the Energy-Momentum Tensor
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. …”
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559
As Spirits Speak: Interaction in Wauja Exoteric Ritual
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. …”
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560
Ecocritical review of the nature essays of university students: a translation and metaphor study
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.…”
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