• 제목/요약/키워드: Recent Research

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Recent Topics on Harbour Tranquility on Ship Motions

  • Shiraishil, Satoru
    • 한국해안해양공학회:학술대회논문집
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    • 한국해안해양공학회 2003년도 한국해안해양공학발표논문집
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    • pp.1-9
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    • 2003
  • This paper discusses on recent topics on harbour tranquility base on ship motions. Harbour tranquility is mainly discussed only wave height inside a harbour at the first research period. In these twenty years, researches to improve harbour tranquility have been focused on ship motions to reduce mooring troubles facing to open seas. (omitted)

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자기부상열차의 추진시스템 개발동향 (The recent trends of the propulsion system for Maglev)

  • 장석명
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1993년도 하계학술대회 논문집 B
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    • pp.942-944
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    • 1993
  • This paper treats of the recent trends in the development, of the Magnetically levitated vehicle(Maglev) and the propulsion system of the Maglev in the world. Consequently, the material data for the guide post in the research and formulation of development policy are prevented.

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Non-Newtonian fluid mechanics for polymeric liquids: A status report

  • Leal, L.Gary;Oberhauser, James P.
    • Korea-Australia Rheology Journal
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    • 제12권1호
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    • pp.1-25
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    • 2000
  • In this paper, we review recent progress in the development of constitutive models for both dilute and entangled polymeric liquids. The status of recent applications of these models for fluid dynamics predictions is then discussed, as well as possible future research directions.

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FIB를 이용한 나노가공공정 기술 개발 (Development of Nano Machining Technology using Focused ion Beam)

  • 최헌종;강은구;이석우;홍원표
    • 한국공작기계학회:학술대회논문집
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    • 한국공작기계학회 2004년도 춘계학술대회 논문집
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    • pp.482-486
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    • 2004
  • The application of focused ion beam (FIB) technology in micro/nano machining has become increasingly popular. Its use in micro/nano machining has advantages over contemporary photolithography or other micro/nano machining technologies, such as small feature resolution, the ability to process without masks and being accommodating for a variety of materials and geometries. This paper presents that the recent development and our research goals in FIB nano machining technology are given. The emphasis will be on direct milling, or chemical vapor deposition techniques (CVD), and this can distinguish the FIB technology from the contemporary photolithography process and provide a vital alternative to it. After an introduction to the technology and its FIB principles, the recent developments in using milling or deposition techniques for making various high-quality devices and high-precision components at the micro/nano meter scale are examined and discussed. Finally, conclusions are presented to summarize the recent work and to suggest the areas for improving the FIB milling technology and for studying our future research.

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The Recent Tendency of Environmentally-friendly Tackifiers

  • Sakurai, Yoshihiro
    • 접착 및 계면
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    • 제8권1호
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    • pp.28-33
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    • 2007
  • It is a main trend not to use organic solvents in the adhesive industry from the recent environmental and safe points of view. For example, water-based, hot-melt, or UV curable adhesives are being investigated. Several different kinds of tackifiers that are formulated in the adhesives in order to give them more functional properties like initial tack and higher adhesion, etc., have been proposed to meet the recent trend. Firstly, the characteristics and fundamental properties of the respective materials are presented. In Japan, the trend to develop the water-based adhesives is most remarkable. While the environmental regulations are getting harder, Arakawa Chemical has been spending a lot of energy for the research, and developed toluene-free and solvent free tackifier dispersions that are presented precisely.

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Recent advances in deep learning-based side-channel analysis

  • Jin, Sunghyun;Kim, Suhri;Kim, HeeSeok;Hong, Seokhie
    • ETRI Journal
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    • 제42권2호
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    • pp.292-304
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    • 2020
  • As side-channel analysis and machine learning algorithms share the same objective of classifying data, numerous studies have been proposed for adapting machine learning to side-channel analysis. However, a drawback of machine learning algorithms is that their performance depends on human engineering. Therefore, recent studies in the field focus on exploiting deep learning algorithms, which can extract features automatically from data. In this study, we survey recent advances in deep learning-based side-channel analysis. In particular, we outline how deep learning is applied to side-channel analysis, based on deep learning architectures and application methods. Furthermore, we describe its properties when using different architectures and application methods. Finally, we discuss our perspective on future research directions in this field.

Recent advances in utilization of photochemical internalization (PCI) for efficient nano carrier mediated drug delivery

  • Park, Wooram;Park, Sin-Jung;Lee, Jun;Na, Kun
    • Biomaterials and Biomechanics in Bioengineering
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    • 제2권1호
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    • pp.1-13
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    • 2015
  • Despite recent progresses in nanoparticle-based drug delivery systems, there are still many unsolved limitations. Most of all, a major obstacle in current nanoparticle-based drug carrier is the lack of sufficient drug delivery into target cells due to various biological barriers, such as: extracellular matrix, endolysosomal barrier, and drug-resistance associated proteins. To circumvent these limitations, several research groups have utilized photochemical internalization (PCI), an extension of photodynamic therapy (PDT), in design of innovative and efficient nano-carriers drug delivery. This review presents an overview of a recent research on utilization of PCI in various fields including: anti-cancer therapy, protein delivery, and tissue engineering.

빙해 항행 선박 주요목의 변화 경향에 대한 조사 연구 (A Study on Recent Trends of Principal Particulars m Ice-Transiting Vessel Design)

  • 최경식
    • 한국해양공학회지
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    • 제20권3호
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    • pp.77-81
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    • 2006
  • In this study, design parameters of ice-transiting vessels in the world, currently in service or under construction, were collected and a database of principal particulars for each ship was established. To understand the recent design trend, ice-transiting vessels were categorized into four groups, i.e., conventional icebreakers, icebreaking tug/supply/research vessels, ice-strengthened passenger/car ferry and ice-strengthened cargo vessels. Changes in principal particulars for each group were reviewed and summarized. It was found that the most significant change in the design of ice-transiting vessels was the increment of large size commercial cargo vessels. It is believed that the recent hike of oil prices and booming of Russian economy has resulted in the need for year-round operation with bigger ships in the Baltic Sea and in the Sea of Okhotsk and also along the Northern Sea Route in Russian Arctic Sea.

Challenges and Improvements of All-Solid-State Batteries

  • Jihyun Jang
    • 대한화학회지
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    • 제67권3호
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    • pp.165-174
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    • 2023
  • The development of all-solid-state batteries (ASSBs) has been gaining attention in recent years due to their potential to offer higher energy densities, improved safety, and longer cycle life compared to conventional lithium-ion batteries. However, several challenges must be addressed to achieve the practical application of ASSBs, such as the development of high-performance solid-state electrolytes, stable electrode-electrolyte interfaces, and cost-effective manufacturing processes. In this review paper, we present an overview of the current state of ASSB research, including recent progress in solid-state electrolyte and cathode/anode materials, and cell architecture. We also summarize the recent advancements and highlight the remaining challenges in ASSB research, with an outlook on the future of this promising technology.

Recent Development in Biocompatible Biosensors

  • Yongju Lee;Swarup Biswas;Minsuk Koo;Hyeok Kim
    • 센서학회지
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    • 제32권6호
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    • pp.403-411
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    • 2023
  • The shift in the medical paradigm from treatment to prevention and diagnosis has underscored the growing significance of biosensors. Notably, the recent COVID-19 pandemic has spurred the widespread adoption of biosensors for the detection of viral genes and antigens. Consequently, there has been a substantial increase in both the demand for biosensors and the industries associated with their production. Furthermore, biosensors find applications not only in healthcare but also in diverse fields such as environmental monitoring, food quality control, military defense, and industrial processes. In this brief review, we delve into the essential attributes of biosensors, namely sensitivity, selectivity, and stability. We provide an overview of the latest research trends aimed at improving these attributes. Additionally, we introduce recent research cases in which these attributes are being applied both in vivo and in vitro.