Results 1 to 10 of about 2,226,045 (280)

Comparison of Gait variables and Relative Risk of Falls According to Walking Speed During Flat and Obstacles Walking of Fallers and Non-Fallers in Korean Elderly Women [PDF]

open access: yes운동과학, 2022
Purpose The purpose of this study was to compare the gait variables and the relative risk of falling between elderly Korean women that fall and do not fall based on the walking speed during flat walking and in the presence of obstacles. Methods The study
Hyun-Joo Kang, Byung-Kun Lee
doaj   +1 more source

Management of isolated distal end of radius fracture in pediatric age group: An observational study

open access: yesAsian Journal of Medical Sciences, 2021
Background: Fractures of the distal radius are one of the common fractures for which pediatric orthopedic consultations are sought. The usual mechanism of injury is fall on outstretched hand seen following a road traffic accident or fall.
Vishwas Sharad Phadke   +2 more
doaj   +1 more source

Local injection of Platelet Rich Plasma for Plantar Fasciitis

open access: yesAsian Journal of Medical Sciences, 2021
Background: Plantar fasciitis can be defined as inflammation at the insertion of plantar fascia and is thought most commonly due to overuse injury. It usually presents as sharp shooting heel pain which is worse in the morning.
Vishwas Sharad Phadke   +2 more
doaj   +1 more source

Lifetime modeling of solder joints based on accelerated mechanical testing and Finite Element Analysis

open access: yesPower Electronic Devices and Components, 2023
Solder fatigue is among the predominant failure modes observed in power electronic modules. Under service conditions power electronic parts are exposed to repeated temperature swings originating from resistance heating.
M. Lederer, A. Betzwar Kotas, G. Khatibi
doaj   +1 more source

Comparison of Prevalence of Diabetes Mellitus, Medical Expenses, Inpatient, Emergency and Outpatient According to the Level of Physical Activity of Korean Adults: A Cross-Sectional Study [PDF]

open access: yesThe Asian Journal of Kinesiology, 2019
OBJECTIVES The purpose of this paper is to analyze the differences in the prevalence of diabetes mellitus, in relation to the physical activity grade and to compare differences in, personal medical expenses, the days of hospitalization, inpatient ...
Byung Kun Lee
doaj   +1 more source

Hole-Transport Material Engineering in Highly Durable Carbon-Based Perovskite Photovoltaic Devices

open access: yesNanomaterials, 2023
Despite the fast-developing momentum of perovskite solar cells (PSCs) toward flexible roll-to-roll solar energy harvesting panels, their long-term stability remains to be the challenging obstacle in terms of moisture, light sensitivity, and thermal ...
Reza Rahighi   +3 more
doaj   +1 more source

Deep NIR-I Emissive Iridium(III) Complex Bearing D-A Ligand: Synthesis, Photophysical Properties and DFT/TDDFT Calculation

open access: yesCrystals, 2021
Near-infrared (NIR) phosphorescent iridium(III) complexes have been demonstrated to possess photophysical properties superior to those of traditional NIR dyes. However, the NIR emission wavelength is restricted in the range of 700–800 nm.
Jia-Yang Jiang   +5 more
doaj   +1 more source

Development of Precise Lunar Orbit Propagator and Lunar Polar Orbiter’s Lifetime Analysis [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2010
To prepare for a Korean lunar orbiter mission, a precise lunar orbit propagator; Yonsei precise lunar orbit propagator (YSPLOP) is developed. In the propagator, accelerations due to the Moon’s non-spherical gravity, the point masses of the Earth, Moon,
Young-Joo Song   +3 more
doaj   +1 more source

Emission Modes in Electrospray Thrusters Operating with High Conductivity Ionic Liquids

open access: yesAerospace, 2020
Electrospray thruster life and mission performance are strongly influenced by grid impingement, the extent of which can be correlated with emission modes that occur at steady-state extraction voltages, and thruster command transients.
Nolan M. Uchizono   +6 more
doaj   +1 more source

Development of a technology for continuous acoustic emission monitoring of in-service damageability of metal in safety-related NPP equipment

open access: yesNuclear Energy and Technology, 2015
Safe operation of the NPP main equipment whose design life has expired requires the development of new approaches to integrity diagnosis and monitoring due to high level of metal ageing.
M.B. Bakirov   +3 more
doaj   +1 more source

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