Results 1 to 10 of about 2,180,991 (119)

SMRT: A smart mass ratio technique that outperforms body mass index (BMI) for predicting waist-to-height ratio. [PDF]

open access: yesGer Med Sci
Background: Waist-to-height ratio (WHtR) is a superior indicator of central obesity and cardiometabolic risk compared with body mass index (BMI). However, its use in clinical practice is limited because waist circumference is often not measured or may be
Baspinar SM.
europepmc   +2 more sources

Energy expenditure and weight-related behaviors in youth with Down syndrome: a protocol

open access: yesFrontiers in Pediatrics, 2023
BackgroundThe consequences of obesity are ominous, yet healthcare professionals are not adequately preventing or treating obesity in youth with Down syndrome (DS).
Michele Polfuss   +14 more
doaj   +1 more source

Dynamic Response Analysis of Mega-Sub Isolated Structures under Multiaxial Earthquakes

open access: yesApplied Sciences, 2023
With the use of seismic isolation techniques on mega-sub structures, several scholars have carried out research on them. However, little research has been carried out on mega-sub isolated structures under multiaxial earthquakes. There have been instances
Xueyuan Yan   +4 more
doaj   +1 more source

Strength test and penetration effect of intrusion surface of heavy metal contaminated soft rock

open access: yesJournal of Applied Science and Engineering, 2021
The progressive expansion and contraction damage caused by heavy metal intrusion into rocks is one of causes to the collapse of rock slopes. Based on the shear strength test, point load test, disintegration resistance test, durability test, and ...
Feng Cheng   +5 more
doaj   +1 more source

Energy Conversion Efficiency of Wavy Conical Wind Energy Capture Structure

open access: yesShanghai Jiaotong Daxue xuebao, 2023
In order to improve the energy harvesting efficiency of the wind energy capture structure, this paper proposes a novel wavy conical bladeless wind energy capture structure, and establishes a mathematical model for energy conversion of the wavy conical ...
ZOU Lin, YAN Yulong, TAO Fan, LIU Diwei, ZHENG Yunlong
doaj   +1 more source

Study on Parameterization of Vortex-Induced Vibration Energy Harvester in Agricultural Environment

open access: yesAgriEngineering, 2020
In many special agricultural environments, many wireless sensors have a problem of power supply selection. Energy harvesting in the agricultural environment based on vortex-induced vibration (VIV) has the potential to solve the problem. In this paper, an
Zhangyi Liao, Anping Xiong, Renxin Liu
doaj   +1 more source

Optimization of the Seismic Performance of a Steel-Concrete Wind Turbine Tower with the Tuned Mass Damper

open access: yesBuildings, 2022
To optimize the seismic performance of a new type of steel-concrete tower, a 120 m steel-concrete composite tower model with a tuned mass damper (TMD) was constructed in ABAQUS for simulation analysis.
Yanchao Yue   +4 more
doaj   +1 more source

Seismic Resistance and Parametric Study of Building under Control of Impulsive Semi-Active Mass Damper

open access: yesApplied Sciences, 2021
When high-rise buildings are shaken due to external forces, the facilities of the building can be damaged. A Tuned Mass Damper (TMD) can resolve this issue, but the seismic resistance of TMD is exhausted due to the detuning effect.
Ming-Hsiang Shih, Wen-Pei Sung
doaj   +1 more source

Effects of Mass and Damping on Flow-Induced Vibration of a Cylinder Interacting with the Wake of Another Cylinder at High Reduced Velocities

open access: yesEnergies, 2021
Flow-induced vibration is a canonical issue in various engineering fields, leading to fatigue or immediate damage to structures. This paper numerically investigates flow-induced vibrations of a cylinder interacting with the wake of another cylinder at a ...
Md. Mahbub Alam
doaj   +1 more source

Research on the ratio of multicomponent emulsion flooding system

open access: yesFrontiers in Energy Research, 2023
In recent years, field test and industrialized application of ASP (alkaline/surfactant/polymer) flooding has been carried out in oilfields, which has obtained an obvious effect on increasing oil and decreasing water and good economic efficiency. However,
Man Zhiqiang, Man Zhiqiang, Wu Wenxiang
doaj   +1 more source

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