Results 1 to 10 of about 978,883 (282)
Influence of shield tunnel construction on ground surface settlement under the condition of upper-soft and lower-hard composite strata [PDF]
Journal of Vibroengineering, 2020 Taking the shield tunnel project of Guangzhou Metro Line 8 from Tongdewei Station to Shangbu Station as the research background, using the research method of finite element simulation and site monitoring, this paper analyses the influence rules of shield tunneling on ground subsidence under the condition of different hard rock height ratios.
Jianbing Lv +5 more
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Force-Sensor-Based Analysis of the Effects of a Six-Week Plyometric Training Program on the Speed, Strength, and Balance Ability on Hard and Soft Surfaces of Adolescent Female Basketball Players [PDF]
SensorsThis study investigated the effects of 6 weeks of plyometric training (PT) performed on soft (unstable) and hard (stable) surfaces compared with conventional training on the balance, explosive power, and muscle strength of adolescent female basketball ...
Guopeng You, Bo Li, Shaocong Zhao
doaj +2 more sources
Journal of Environmental Engineering and Landscape Management, 2004 The mechanism of primary cosmic particle transformation into secondary radiation near the ground surface is analysed. It is known that the main part of secondary cosmic radiation consists of muons.
Dmitrijus Styra +2 more
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Lubricants, 2023 Several surface topography parameters are available for the quantification of tribological properties of machined surfaces. Although these parameters and their influences are widely studied, there are contradictory findings due to the nature of the ...
Viktor Molnar
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Tribology; Cold rolling mill roll; Hard chrome; Surface texturing. [PDF]
Tecnologia em Metalurgia, Materiais e Mineração, 2012 The present work analyzes the tribological behavior of surface modifications often used in cold rolling mill rolls. Different surface modifications were carried out on samples produced from a fragment of the rolling mill roll: i) texturing; ii ...
José Lucio Gonçalves Junior +1 more
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Exploration and analysis of hidden disaster factors in North Shenmu Tanhuigou Coal Mine
Meikuang Anquan, 2023 In order to quickly and comprehensively find out the types and spatial distribution characteristics of the main hidden disasters in Tanhuigou Coal Mine and analyze its potential threat to the coal mine, the methods of on-site inquiry, data access ...
WU Minjie
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Frontiers in Neurology, 2022 When a person stands upright quietly, the position of the Centre of Mass (CoM), the vertical force acting on the ground and the geometrical configuration of body segments is accurately controlled around to the direction of gravity by multiple feedback mechanisms and by integrative brain centres that coordinate multi-joint movements.
Stefania Sozzi +3 more
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Lubricants, 2023 A multiscale approach for the fatigue life estimation of rolling bearings is presented in this paper and applied to inner rings of cylindrical roller bearings of the type NU208. The forces acting in the rolling contact are determined from system-oriented
Flavien Foko Foko +3 more
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Frontiers in Earth Science, 2022 Existing studies on surface deformation prediction consider single soil layers and straight-line excavation when investigating deformation caused by metro shield construction.
Bao-Xin Jia, Bao-Xin Jia, Zong-xian Gao
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Journal of Materials Research and Technology, 2023 The mechanical and mechanochemical synergistic micro-grinding technology was proposed for grinding hard and brittle materials, especially for fused silica micro parts in this work.
Wei Li +6 more
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