Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Chun-Ho Chang"'
Autor:
Shen-Yung Lin, Chun-Ho Chang
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 61 (2023)
Machining characteristics were applied to topology optimization for machine tool structure design improvement in this study, and the goals of lightweight and high rigidity of the structure were achieved. Firstly, an ultrasonic-assisted grinding exper
Externí odkaz:
https://doaj.org/article/b9206b280d454317a80c0630b9ac5392
Autor:
Chih-Yueh Chou, Chun-Ho Chang
Publikováno v:
Educational Technology & Society, Vol 24, Iss 4, Pp 54-66 (2021)
Help-seeking is an important self-regulated learning strategy and skill for effective learning. Studies have found that some students have poor help-seeking behaviors and that this leads to poor learning performance. Some researchers have developed h
Externí odkaz:
https://doaj.org/article/00664678ad894ab7a133ed6015103ae8
Autor:
In-Seok Yoon, Chun-Ho Chang
Publikováno v:
Applied Sciences, Vol 10, Iss 24, p 8910 (2020)
Carbonation of cementitious materials is one of main causes of reinforcement corrosion and CO2 diffusivity influenced by microstructural characteristics of the cementitious materials is a decisive parameter for the carbonation rate. This study focuse
Externí odkaz:
https://doaj.org/article/9736ff46c07c4628b18bb90fb3c8ca10
Autor:
In-Seok Yoon, Chun-Ho Chang
Publikováno v:
Applied Sciences, Vol 10, Iss 18, p 6272 (2020)
The resistivity of a concrete structure exposed to chloride ions indicates the risk of early corrosion damage, because a low resistivity is related to rapid chloride penetration and to a high corrosion rate. Concrete resistivity is a geometry-indepen
Externí odkaz:
https://doaj.org/article/7d7ea84c387346228bdbf2ee4a59e42f
Publikováno v:
Shock and Vibration, Vol 2018 (2018)
This study deals with drop-impact effects of new hybrid concrete plates strengthened with an ultrahigh molecular weight polyethylene (UHMWPE). The proposed 3D-UHMWPE results in excellent mechanical properties such as high abrasion resistance, impact
Externí odkaz:
https://doaj.org/article/102afee1aa824a718e2335ee4fa0a687
Autor:
CHUN-HO CHANG, 張竣賀
103
In this study, we divide into three parts, the first one we using PDMS(Polydimethylsiloxane)to transfer the pattern which on Silica wafer. Inject PDMS into different pattern and heat it led to harden .When removed even the smallest of de
In this study, we divide into three parts, the first one we using PDMS(Polydimethylsiloxane)to transfer the pattern which on Silica wafer. Inject PDMS into different pattern and heat it led to harden .When removed even the smallest of de
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/32949564113240636795
Autor:
Chun-Ho Chang, 張鈞賀
101
The diketopyrrolopyrrole-based star-shaped molecules TDTTPA were synthesized and used as a donor for bulk heterojunction photovoltaic devices. The TDTTPA show two absorption band in the range of 300-700 nm with the maximum absorption wavelen
The diketopyrrolopyrrole-based star-shaped molecules TDTTPA were synthesized and used as a donor for bulk heterojunction photovoltaic devices. The TDTTPA show two absorption band in the range of 300-700 nm with the maximum absorption wavelen
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/kzt9bs
Autor:
Chun-Ho Chang, 張均合
92
The repetitive structure of genomic DNA includes many secrets to be explored. In this thesis, we apply this repetitive structure to compress the DNA sequences. The existing compression tools are not suitable because its alphabet size is not l
The repetitive structure of genomic DNA includes many secrets to be explored. In this thesis, we apply this repetitive structure to compress the DNA sequences. The existing compression tools are not suitable because its alphabet size is not l
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/e33vbq
Publikováno v:
Magazine of Concrete Research. :1-35
This study examined the effect of the unit weight and compressive strength of concrete on the punching shear capacity of flat slabs without shear reinforcements. The slabs were prepared using all-lightweight aggregate concrete (ALWAC), sand-lightweig
Autor:
Chih-Hui Yang, Yu-Mei Lin, Huang Shu-Ling, Yuan-Yi Lu, Yi-Ting Wang, Yung-Sheng Lin, Chun-Ho Chang, Tsai Ya-Chi, Keng-Shiang Huang
Publikováno v:
Science of Advanced Materials. 13:188-198
Nanotechnology gives rise to new breakthroughs and developments in various fields. The applications of advanced nanotechnology may resolve the current technical problems encountered in stem cell research. Nanotechnology has gained significant attenti