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Public park behaviour in Da Nans:An investigation into how open space is used

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Frontiers of Architectural Research 2019年第4期8卷 454-470页

作者： duy thinh do Yuning Cheng Amir Shojai Ye Chen Landscape Architecture Southeast UniversityNanjing 210096China Architecture Faculty Mien Tay Construction UniversityVinh LongViet nom Division of Architectural and Structural Design Graduate School of EnsineeringHokkaido UniversitySapporo 060-8628Japan

The provision of open space is seen as a feasible solution in mitigating the challenges of urbanization,which accomm odates the daily leisure activities of residents and contributes to sustainable developm *** study aims at understanding how users perceive open space in 29-3 Park in Da Nang,*** understanding may help to adopt a better approach to development and *** specifically,it focuses on identifying roles and attributes of the space and determ ining those elements which affect how users of the space gather,based on their ***,behaviour param eters were identified and classified based on activities that occurred in this space,and were collected using a behavioural mapping survey *** analysis of 20 in-depth interviews,and 287 question naires,show existing problems that need to be improved and detail 11 physical factors that have potential to impact on users'*** results may have the potential to play an im portant role in assisting designers and administrators to create successful open space in urban areas of Vietnam or other developing countries in the future.

关键词： Open space Environm ental behaviour Behaviour mapping Da Nang 29-3 park

Passenger’s Attention Behaviors along Street Space:A Case Study of Da Nang City

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Journal of Civil Engineering and Architecture 2018年第4期12卷 245-261页

作者： thinh duy do Suguru Mori Rie Nomura Graduate School of Engineering Hokkaido UniversitySapporo 060-8628Japan Faculty of Engineering Hokkaido UniversitySapporo 060-8628Japan

This study aims to understand the attention behaviors of users along street space in a Vietnamese *** on CEMs(capture evaluation method survey)and data processing using CA(correspondence analysis)and clustering data collection using,the street spaces are categorized into three *** group has its own representative characteristics related to how people within the group pay *** findings show that people tend to frequently pay attention to eight fundamental elements out of the 88 elements recorded while participating in the street *** assessment identified the elements of impact in descending order from highest in following:Sidewalks>building>trading activities&shop>garbage>street>greenery>trash bin>*** difference of user’s attention behavior and their assessment in different street groups is also revealed in detail in this paper.

关键词： Street space human behavior Da Nang CEMs physical setting

Public park behaviour in Da Nang: An investigation into how open space is used

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Frontiers of Architectural Research 2019年第04期 454-470页

作者： duy thinh do Yuning Cheng Amir Shojai Ye Chen Landscape Architecture Southeast University Architecture Faculty Mien Tay Construction University Division of Architectural and Structural Design Graduate School of Engineering Hokkaido University

The provision of open space is seen as a feasible solution in mitigating the challenges of urbanization, which accommodates the daily leisure activities of residents and contributes to sustainable development. This study aims at understanding how users perceive open space in 29-3 Park in Da Nang, Vietnam. This understanding may help to adopt a better approach to development and improvements. More specifically, it focuses on identifying roles and attributes of the space and determining those elements which affect how users of the space gather, based on their perspective. Residents' behaviour parameters were identified and classified based on activities that occurred in this space, and were collected using a behavioural mapping survey method. The analysis of 20 in-depth interviews, and 287 questionnaires, show existing problems that need to be improved and detail 11 physical factors that have potential to impact on users' satisfaction. These results may have the potential to play an important role in assisting designers and administrators to create successful open space in urban areas of Vietnam or other developing countries in the future.

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Adaptive Controller Design for Dynamic Maneuvers of High Speed Underwater Vehicles

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China Ocean Engineering 2022年第2期36卷 311-321页

作者： Bui Duc Hong PHUC Sam-Sang YOU Phuc thinh doAN Sang-do LEE Department of Mechanical Engineering The University of TulsaTulsaOK 74104USA Division of Mechanical Engineering Korea Maritime and Ocean UniversityBusan 49112Republic of Korea Institute of Interdisciplinary Social Sciences Nguyen Tat Thanh UniversityHo Chi Minh CityVietnam Division of Navigation and Information System Mokpo National Maritime UniversityMokpoJeollanam-do 58628Republic of Korea

The control synthesis of the high-speed underwater vehicle faces many technical challenges due to its inherent structure and surrounding operational *** this paper,the dynamical behavior is firstly described through a bifurcation analysis to give some insights for robust control *** a novel adaptive fractional-order sliding mode controller(AFOSMC)is realized to effectively manipulate the supercavitating vehicle against payload changes,nonlinear planing force,and external *** fractional order(FO)calculus can offer more flexibility and more freedom for tuning active control synthesis than the integer-order *** addition,the adaptation law has been presented to directly handle the payload change *** stability of the controlled vehicle system is proven via Lyapunov stability ***,the dynamic performance of the proposed controller is verified through extensive simulation results,which demonstrate the control accuracy with faster responses compared with existing integer-order ***,the proposed fractional order controllers can provide higher performance than their integer order counterparts with control algorithms.

关键词： fractional order calculus supercavitating underwater vehicles planing force payload change adaptive sliding mode control

Enhancement of motor functional recovery in thoracic spinal cord injury: voluntary wheel running versus forced treadmill exercise

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Neural Regeneration Research 2025年第3期20卷 836-844页

作者： do-Hun Lee Dan Cao Younghye Moon Chen Chen Nai-Kui Liu Xiao-Ming Xu Wei Wu Spinal Cord and Brain Injury Research Group Stark Neurosciences Research InstituteIndiana University School of MedicineIndianapolisINUSA Department of Neurological Surgery Indiana University School of MedicineIndianapolisINUSA Department of Neuroscience Baylor College of MedicineHoustonTXUSA

Spinal cord injury necessitates effective rehabilitation strategies, with exercise therapies showing promise in promoting recovery. This study investigated the impact of rehabilitation exercise on functional recovery and morphological changes following thoracic contusive spinal cord injury. After a 7-day recovery period after spinal cord injury, mice were assigned to either a trained group(10 weeks of voluntary running wheel or forced treadmill exercise) or an untrained group. Bi-weekly assessments revealed that the exercise-trained group, particularly the voluntary wheel exercise subgroup, displayed significantly improved locomotor recovery, more plasticity of dopaminergic and serotonin modulation compared with the untrained group. Additionally, exercise interventions led to gait pattern restoration and enhanced transcranial magnetic motor-evoked potentials. Despite consistent injury areas across groups, exercise training promoted terminal innervation of descending axons. In summary, voluntary wheel exercise shows promise for enhancing outcomes after thoracic contusive spinal cord injury, emphasizing the role of exercise modality in promoting recovery and morphological changes in spinal cord injuries. Our findings will influence future strategies for rehabilitation exercises, restoring functional movement after spinal cord injury.

关键词： behavioral assessment motor function neural plasticity running wheel exercise spinal cord injury treadmill exercise voluntary exercise

Role of bile acids in colon carcinogenesis

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World Journal of Clinical Cases 2018年第13期6卷 577-588页

作者： Thi thinh Nguyen Trong Thuan Ung Nam Ho Kim Young do Jung Department of Biochemistry Chonnam National University Medical School Department of Nephrology Chonnam National University Medical School

Bile acids(BAs)are cholesterol derivatives synthesized in the liver and then secreted into the intestine for lipid *** are numerous scientific reports describing BAs,especially secondary BAs,as strong carcinogens or promoters of colon ***,BAs act as strong stimulators of colorectal cancer(CRC)initiation by damaging colonic epithelial cells,and inducing reactive oxygen species production,genomic destabilization,apoptosis resistance,and cancer stem cells-like ***,BAs promote CRC progression via multiple mechanisms,including inhibiting apoptosis,enhancing cancer cell proliferation,invasion,and *** are diverse signals involved in the carcinogenesis mechanism of BAs,with a major role of epidermal growth factor receptor,and its down-stream signaling,involving mitogen-activated protein kinase,phosphoinositide 3-kinase/Akt,and nuclear factor kappa-light-chain-enhancer of activated B *** regulate numerous genes including the human leukocyte antigen class I gene,p53,matrix metalloprotease,urokinase plasminogen activator receptor,Cyclin D1,cyclooxygenase-2,interleukin-8,and miRNAs of CRC cells,leading to CRC *** evidence suggests that targeting BAs is an efficacious strategies for CRC prevention and treatment.

关键词： Apoptosis resistance Cancer stemness Bile acids Colorectal cancer Reactive oxygen species Angiogenesis

Enabling intelligence in fog computing to achieve energy and latency reduction

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Digital Communications and Networks 2019年第1期5卷 3-9页

作者： Quang duy La Mao V. Ngo thinh Quang Dinh Tony Q.S. Quek Hyundong Shin Singapore University of Technology and Design (SUTD) Singapore Institute for Infocomm Research (I^2R) Singapore Kyung Hee University South Korea Institute for Infocomm Research (I^2R) A^*STAR Singapore Singapore University of Technology and Design Singapore 487372 Department of Electronics Engineering Kyung Hee University Yongin-si Gyeonggi-do 17104 Korea

Fog computing is an emerging architecture intended for alleviating the network burdens at the cloud and the core network by moving resource-intensive functionalities such as computation, communication, storage, and analytics closer to the End Users (EUs). In order to address the issues of energy efficiency and latency requirements for the time-critical Internet-of-Things (IoT) applications, fog computing systems could apply intelligence features in their operations to take advantage of the readily available data and computing resources. In this paper, we propose an approach that involves device-driven and human-driven intelligence as key enablers to reduce energy consumption and latency in fog computing via two case studies. The first one makes use of the machine learning to detect user behaviors and perform adaptive low-latency Medium Access Control (MAC)-layer scheduling among sensor devices. In the second case study on task offloading, we design an algorithm for an intelligent EU device to select its offloading decision in the presence of multiple fog nodes nearby, at the same time, minimize its own energy and latency objectives. Our results show a huge but untapped potential of intelligence in tackling the challenges of fog computing。

关键词： Fog computing Edge computing Machine learning MAC scheduling Computational offloading Energy efficiency

Atomic Heterointerface Engineering of Nickel Selenide Confined Nickel Molybdenum Nitride for High-Performance Solar-Driven Water Splitting

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Energy & Environmental Materials 2023年第2期6卷 397-407页

作者： Jingqiang Wang duy Thanh Tran Kai Chang Sampath Prabhakaran do Hwan Kim Nam Hoon Kim Joong Hee Lee Department of Nano Convergence Engineering Jeonbuk National UniversityJeonjuJeonbuk 54896Korea Division of Science Education Graduate School of Department of Energy Storage/Conversion EngineeringJeonbuk National UniversityJeonjuJeonbuk 54896Korea Carbon Composite Research Center Department of Polymer-Nano Science and TechnologyJeonbuk National UniversityJeonjuJeonbuk 54896Korea

A heterostructured electrocatalyst of small NiSe_(2) nanoparticles confined NiMoN nanorods(NiSe_(2)-NPs/NiMoN-NRs)is prepared to accelerate both the hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)in a same alkaline *** synergistic effects caused by the combination of merits derived from NiSe_(2) and NiMoN phases trigger an optimum electronic structure with high density of state at near Fermi level and enhance adsorption free energy,thereby resulting in excellent catalytic activities and strengthened working *** catalyst requires a low overpotential of 58 mV for HER and 241 mV for OER to reach 10 mA cm^(−2) in 1.0 M KOH electrolyte.A twoelectrode electrolyzer based on the developed catalyst shows outstanding cell voltage of 1.51 and 1.46 V to reach 10 mA cm^(−2) in 1.0 M and 30 wt%KOH solution at 25℃ for overall water splitting,*** addition,the solardriven water splitting process delivers a high solar-to-H_(2) conversion efficiency of∼18.4%,impressively unveiling that the developed bifunctional catalyst is highly potential for overall water splitting to produce green hydrogen fuel.

关键词： Bifunctional electrocatalyst Novel NiSe_(2)/NiMoN heterostructures Solardriven water splitting Synergistic effects

RFID Anti-Counterfeiting for Retailing Systems

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Journal of Applied Mathematics and Physics 2015年第1期3卷 1-9页

作者： duy-thinh Tran Sung Je Hong Department of Computer Science and Engineering Pohang University of Science and Technology (POSTECH) Pohang Republic of Korea

Counterfeiting is one of the most serious problems in the consumer market. One promising approach for anti-counterfeiting is to attach a low-cost Radio-frequency Identification (RFID) tag to the product authentication. In this paper, we propose an RFID system for detecting counterfeiting products. This RFID system consists of the tag authentication protocol and the database correction protocol. We use the tag authentication protocol for authenticating tags without revealing their sensitive information. This protocol also allows the customer to freely inquire the tag. To prevent the widespread of the counterfeit products, we use the tag status information along with tag identity information. Meanwhile, the database correction protocol guarantees the correctness of the tag status. Our anti-counterfeiting system is the first work considering the seller who plays an important role in the consumer product supply chain. Finally, we show that anti-counterfeiting system is quite secure against counterfeiting and the tag authentication protocol is lightweight enough to be implemented in RFID-based applications.

关键词： Secure RFID System Authentication Identification Cryptographic One-Way Function Counterfeiting Anti-Counterfeiting Lightweight