Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Jinnil Choi"'
Autor:
Jinnil Choi, Jun Hyeok Jeong
Publikováno v:
Powder Metallurgy. 64:241-247
In this paper, the mechanical characteristics for metal powder compaction with the addition of graphite powders are investigated to reduce the friction generated during the powder compaction proces...
Publikováno v:
Journal of the Korean Society of Manufacturing Technology Engineers. 30:37-45
Autor:
Jinnil Choi, Jun Hyeok Jeong
Publikováno v:
Journal of Korean Powder Metallurgy Institute. 27:300-304
Publikováno v:
The Review of scientific instruments. 92(11)
In this paper, a micro-load cell utilized for the thrust measurement of a micro-resistojet is described. To improve the degree of completion of the micro-resistojet during the development process, a concept of a micro-load cell, which enables suffici
Publikováno v:
Journal of nanoscience and nanotechnology. 21(8)
A structure with periodic sub-wavelength nanohole patterns interacts with incident light and causes extraordinary optical transmission (EOT), with metal nanoparticles leading to localized surface plasmon resonance (LSPR) phenomena. To explore the eff
Publikováno v:
Journal of nanoscience and nanotechnology. 20(11)
The phenomenon by which the efficiency decreases rapidly with the increase in luminance or current density in organic light-emitting diodes is termed efficiency roll-off. In particular, phosphorescent organic light-emitting diodes are known to have h
Publikováno v:
Journal of nanoscience and nanotechnology. 20(11)
In this work, we report the effect of the rotation speed of the deposited substrate on the electroluminescence (EL) efficiency of the organic light-emitting diode (OLED). Because it has been reported that the deposition angle velocity affects the gro
Publikováno v:
SSRN Electronic Journal.
Background: The relationship between socioeconomic status and risk of coronavirus disease (COVID-19) remains controversial. We aimed to investigate whether socioeconomic status affected the risk of COVID-19 in the South Korean population. Methods: Th
Publikováno v:
Journal of Nanoscience and Nanotechnology. 16:11613-11618
Publikováno v:
Journal of the Korean society for railway. 19:324-330