Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Sang-Ki Yoon"'
Publikováno v:
Applied Sciences
Volume 10
Issue 2
Applied Sciences, Vol 10, Iss 2, p 706 (2020)
Volume 10
Issue 2
Applied Sciences, Vol 10, Iss 2, p 706 (2020)
The purpose of this study is to estimate the compressive strength according to the age of the concrete structure using ultrasonic pulse velocity method. If the correlation between the ultrasonic pulse velocity and the compressive strength according t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1abd8ee067110bb38091c198b9d91c5a
https://doi.org/10.3390/app10020706
https://doi.org/10.3390/app10020706
Autor:
Jun Seok Kang, Chang-Soo Park, Yeong Gyu Lee, Jong-Hyun Lee, Sang Ki Yoon, Young Yun Kim, Sung Sik Yun, Hyun Ki Lee
Publikováno v:
IEEE Photonics Technology Letters. 16:485-487
We report on a novel refractive variable optical attenuator with a wedge-shaped silicon optical leaker, in which a part of the light signal is successively transmitted and refracted outside the acceptance angle of the output fiber. This device can be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97ca9801686e31f192086779b3e77b56
https://doi.org/10.1109/lpt.2003.818948
https://doi.org/10.1109/lpt.2003.818948
Autor:
Young Yun Kim, Sung Sik Yun, Chang Soo Park, Jong-Hyun Lee, Yeong Gyu Lee, Hyun Ki Lee, Sang Ki Yoon, Jun Seok Kang
Publikováno v:
IEEE Photonics Technology Letters; Feb2004, Vol. 16 Issue 2, p485-487, 3p