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Kiho Nishihara, Kei-ichi Okuyama, Rafael Rodriguez and Isai Fajardo
In this study, we focus on 3D-printed PEEK/CFRTP (Carbon-Fiber-Reinforced Thermoplastic) and PEEK (Polyether Ether Ketone) materials as new space materials. In space, there are intense ultraviolet (UV) rays that are weakened by the atmosphere on Earth, s...
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Amrita Das, Eberechi Ichi and Sattar Dorafshan
Ancillary structures are essential for highways? safe operationality but are mainly prone to environmental corrosion. The traditional way of inspecting ancillary structures is manned inspection, which is laborious, time-consuming, and unsafe for inspecto...
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Yusuke Tomozawa, Shin-ichi Onodera, Mitsuyo Saito and Kazuyoshi Asai
Groundwater dynamics near the saltwater?freshwater interface were investigated in an island of the Seto Inland Sea, using multiple tracers (dD, d18O, Cl-, SF6, and 14C) at two coastal groundwater monitoring wells at depths of 10?40 m. The groundwater rec...
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Eberechi Ichi, Faezeh Jafari and Sattar Dorafshan
Annotated datasets play a significant role in developing advanced Artificial Intelligence (AI) models that can detect bridge structure defects autonomously. Most defect datasets contain visual images of surface defects; however, subsurface defect data su...
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Jun-ichi Yamamoto, Tomohiro Fukui, Kazutomo Nishii, Ichiro Kato and Quang Thahn Pham
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Md Abdus Samad Kamal, Kotaro Hashikura, Tomohisa Hayakawa, Kou Yamada and Jun-ichi Imura
This paper presents Adaptive Cruise Control (ACC) with look-ahead anticipation, based on the model of ACC used in recent commercial vehicles, to take early decisions in driving a vehicle on the freeway. The existing ACC found in the high-end cars has lim...
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Anna Suzuki, Ken-ichi Fukui, Shinya Onodera, Junichi Ishizaki and Toshiyuki Hashida
Numerical modeling for geothermal reservoir engineering is a crucial process to evaluate the performance of the reservoir and to develop strategies for the future development. The governing equations in the geothermal reservoir models consist of several ...
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Kazuhisa A. Chikita, Tomoyuki Wada, Isao Kudo, Sei-Ichi Saitoh and Mitsuhiro Toratani
In the Bering Sea around and off the Yukon River delta, surface sediment plumes are markedly formed by glacier-melt and rainfall sediment runoffs of the Yukon River, Alaska, in June? September. The discharge and sediment load time series of the Yukon Riv...
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Hyun Dong Kim and Shin-ichi Aoki
When erosion occurs, sand beaches cannot maintain sufficient sand width, foreshore slopes become steeper due to frequent erosion effects, and beaches are trapped in a vicious cycle of vulnerability due to incident waves. Accordingly, beach nourishment ca...
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Shin-ichi Hirano, Yusuke Ichikawa, Bunpei Sato, Fumitake Satoh and Yoshiyasu Takefuji
Hydrogen (H2) is promising as an energy source for the next generation. Medical applications using H2 gas can be also considered as a clean and economical technology. Since the H2 gas based on electrolysis of water production has potential to expand the ...
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