Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Chi Hun Lee"'
Publikováno v:
Physical Therapy Korea, Vol 29, Iss 1, Pp 79-86 (2022)
Background: Bird dog exercise (BDE) is one of the lumbar stabilization exercises that rehabilitate low back pain by co-contraction of the local and global muscles. Previous studies have reported the effect of various type of BDEs (for example, prac
Externí odkaz:
https://doaj.org/article/f831eced552249c8bf68200f48d243e2
Publikováno v:
Journal of The Korean Society of Physical Medicine. 15:11-20
Autor:
Sang Jeong Lee, Chi-Hun Lee
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 45:609-615
Autor:
Seong Jin Park, Joo Won Oh, Jin Mo Koo, Chang Woo Gal, Da Seul Shin, Chi Hun Lee, Suk Hyun Kim, Dong Yong Park, Seung-Chul Lee
Publikováno v:
Powder Technology. 353:330-344
The constitutive relations for Fe-C and Fe-C-Cu powder compactions were investigated with the three consitituents: i) powder design parameters, ii) material related properties, and iii) final compaction properties. With the concept of materials infor
Autor:
Seong Jin Park, Woo Seok Yang, Im Doo Jung, Chi Hun Lee, Jin Mo Koo, Da Seul Shin, Joo Won Oh, Suk Hyun Kim, Hyeok Joon Kwon
Publikováno v:
Metals and Materials International. 25:1258-1271
Changing the material parameters such as powder characteristics and additives affects the final properties of an iron–carbon alloy. This study investigated the influences of three typical material parameters, iron particle size, graphite addition,
Autor:
Dae Won Oh, Chi Hun Lee
Publikováno v:
The Journal of Modern China Studies. 19:233-261
Publikováno v:
Microwave and Optical Technology Letters. 60:69-75
Publikováno v:
Crisis and Emergency Management. 13:113-131
매년 세계 각국에서 발생하는 자연재난으로 인해 막대한 인명피해와 경제적 손실을 초래하고 있다. 이러한 재난들의 약 70%정도가 동아시아 태평양지역 국가들에게서 발생하고 있으며, 이
Autor:
Seung-Chul Lee, Uta Kühn, Seong Jin Park, Chi Hun Lee, Sergio Scudino, Konrad Kosiba, Holger Schwab, Da Seul Shin
Publikováno v:
Journal of Alloys and Compounds. 862:158018
The prerequisite for exploiting the full potential of additive manufacturing (AM) is the rapid and cost-effective fabrication of defect-free components. However, each newly processed material usually requires the identification of the optimal paramet
Autor:
Chi-Hun Lee
Publikováno v:
Journal of the Korea Institute of Military Science and Technology. 16:214-217
In this paper, we proposed an automatic threshold control method for radar warning receiver. Considering the noise level of the environment, this technique can effectively adjust sensitivity level of radar warning receiver and can offer more accurate