Results 1 to 10 of about 1,007,892 (159)

High-Accuracy Height-Independent 3D VLP Based on Received Signal Strength Ratio [PDF]

open access: yesSensors, 2022
Visible light positioning (VLP) has attracted intensive attention from both academic and industrial communities thanks to its high accuracy, immunity to electromagnetic interference, and low deployment cost.
Yihuai Xu   +6 more
doaj   +2 more sources

Effect of Wiihabilitation on strength ratio of ankle muscles in adults. [PDF]

open access: yesJ Phys Ther Sci, 2016
[Purpose] This study was conducted to investigate the effect of Wiihabilitation on the ankle dorsiflexion/plantar flexion strength ratio in adults. [Subjects and Methods] Thirty-two healthy male volunteers were randomly assigned to two equal groups (experimental and control).
Khalil AA   +4 more
europepmc   +4 more sources

Damage ratio strength criterion for cast iron

open access: yesJournal of Materials Research and Technology, 2022
According to the assumption of small strains and total strain decomposition of cast iron, the expressions of the inelastic principal strain rate and relative energy dissipation rate of cast iron are derived, and the parameters of the tensile and ...
Faxing Ding   +4 more
doaj   +2 more sources

A Novel Way of Testing Hip Extension and Flexion Strength, and Strength Ratio in the Clinical Setting: Is it Reliable? [PDF]

open access: yesInternational Journal of Sports Physical Therapy
# Background Hip muscle strength is considered an important parameter to assess in patients with hip and groin pain. However, hip extension and flexion strength measures are often performed in hip angles suboptimal for force production and do not allow ...
Anders Pålsson   +2 more
doaj   +2 more sources

Analysis of strength ratio of different hop strings [PDF]

open access: yesResearch in Agricultural Engineering, 2012
In plant-growing, minimization of impurities in the final product plays a more and more important role. One of the risky places that can influence the final purity of granules in hop growing is the way of hop strings hanging on the trellis supporting ...
P. Heřmánek   +5 more
doaj   +2 more sources

System model ratio prism strength of concrete

open access: yesВестник СибАДИ, 2017
The results of the research strength of the concrete in the construc-struction using a systematic approach. It is shown that the current model of the prize-strength variable with the empirical dependence of the concrete class does not take into account ...
Yu. V. Krasnoschеkov
doaj   +2 more sources

The ratio between flexural strength to compressive strength of geopolymer concrete

open access: yesIOP Conference Series: Earth and Environmental Science, 2023
Abstract Building infrastructure always chooses to use strong materials, low costs, easy maintenance and easily available materials. One of these materials is normal concrete which is one of the normal concrete making materials using Portland cement.
null Evin, null Rachmansyah
openaire   +1 more source

DEM investigation on tunnel excavation of deeply-situated composite rock mass with different strength ratios

open access: yesYantu gongcheng xuebao, 2020
The strength ratio is an important factor affecting the stability of the surrounding rock during tunnel excavation of deeply-situated composite rock mass.
JIANG Ming-jing 1, 2, 3, WANG Hua-ning 4, LI Guang-shuai 1, LIAO You-bin 5, CHEN You-liang 6, WEI Chao-qun 1
doaj   +1 more source

Analysis of the Influence of Water-cement Ratio on Concrete Strength [PDF]

open access: yesE3S Web of Conferences, 2021
In this paper, the main strength of the relationship between water-cement ratio and concrete, and it uses the contrast test of different water cement ratio, finally, it gets the regular change between water cement ratio and concrete strength.
Li Wei
doaj   +1 more source

An investigation of the relationship between lower limb muscle size, strength, and tibia length: A specific analysis of the hamstring and quadriceps muscles

open access: yesROL Spor Bilimleri Dergisi, 2023
The primary aim of this investigation was to assess the interrelations among the ratios of hamstring-to-quadriceps muscle size and strength, as well as the associations with hamstring and quadriceps muscle size, tibia length, and muscle strength.
Kadir Keskin, Feride Nur Gogus
doaj   +1 more source

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