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  1. No Access

    Article

    Impact of supra-maximal interval training vs. high-intensity interval training on cardiac auto-regulation response in physically active adults

    This study aimed to examine the impact of supra-maximal interval training (SMIT) and high-intensity interval training (HIIT) on cardiac auto-regulation response.

    Myong-Won Seo, Sukho Lee, Hyun Chul Jung in European Journal of Applied Physiology (2024)

  2. Article

    Open Access

    Leisure time physical activity: a protective factor against metabolic syndrome development

    Physical activity (PA) is a modifiable factor in preventing/treating cardiometabolic disease. However, no studies have yet compared specific moderate-to-vigorous PA (MVPA) domains with the risk of metabolic sy...

    Myong-Won Seo, Youngseob Eum, Hyun Chul Jung in BMC Public Health (2023)

  3. No Access

    Article

    Electrical Characteristics of a Ga-free T2SL Mid-wave Infrared nBn Detector Based on an InAs/AlAsSb/InAsSb Barrier

    Ga-free InAs/InAsSb type-II superlattice (T2SL) has been used as an absorption layer of a high-operating-temperature mid-wavelength infrared nBn detector because it has a long Shockley–Read–Hall limited minori...

    Ahreum Jang, Hyun-** Lee, Young Chul Kim, Jun Ho Eom in Journal of Electronic Materials (2022)

  4. No Access

    Article

    Plasma Treatment for Surface Stabilization in InAs/GaSb Type-II Superlattice LWIR and VLWIR Photodetectors

    An InAs/GaSb nBn structure was investigated as a replacement for mercury cadmium telluride (MCT) in long-wavelength infrared (LWIR) and very long-wavelength infrared (VLWIR) detectors, which is advantageous fo...

    Hyun-** Lee, Young Chul Kim, Jun Ho Eom, Hyun Chul Jung in Journal of Electronic Materials (2022)

  5. No Access

    Article

    Isokinetic assessment of agonist and antagonist strength ratios in collegiate taekwondo athletes: a preliminary study

    The purpose of this study was to compare the gender differences in isokinetic hamstring to quadriceps (H/Q) and hip abductor to adductor (AB/AD) strength ratios at different angular velocities in collegiate taekw...

    Hyun Chul Jung, Sukho Lee, Myong Won Seo, Jong Kook Song in Sport Sciences for Health (2017)

  6. No Access

    Article

    Composite membranes based on sulfonated poly(ether ether ketone) and SiO2 for a vanadium redox flow battery

    Organic-inorganic composite membranes were prepared with sulfonated poly(ether ether ketone) (SPEEK) and different amounts of silica to improve chemical stability and vanadium hindrance for a vanadium redox fl...

    Dong Hun Hyeon, Jeong Hwan Chun, Chang Hun Lee in Korean Journal of Chemical Engineering (2015)

  7. No Access

    Article

    Needle insertion force exerted on various breast tissues: Experimental study and finite element analysis

    In this study, we measured the needle insertion force exerted on various breast tissues including those of a breast phantom, cattle tissue, and human tissue, according to needle insertion speed, and compared i...

    Han Yong Chun, Hyun Chul Jung, Min Tae Kim, Kwang Gi Kim in Biomedical Engineering Letters (2012)

  8. No Access

    Article

    Continuity control method of cutter posture vector for efficient five-axis machining

    During five-axis machining of impeller, the excessive local interference avoidance leads to inconsistency of cutter posture, low quality of machined surface and increase of processing time. Therefore, in order...

    Jong-dae Hwang, Sang-myung Kim in Journal of Central South University of Tec… (2011)

  9. No Access

    Chapter and Conference Paper

    BioID: Biometric-Based Identity Management

    Multiple identities for an individual make a problem. There are too many identities to control by human. Identity management helps to solve the problem. OpenID and Cardspace are well known identity management ...

    Byoung-** Han, Dong-Whi Shin in Information Security, Practice and Experie… (2010)

  10. No Access

    Article

    Sintering and consolidation of silver nanoparticles printed on polyimide substrate films

    We investigated the sintering and consolidation phenomena of silver nanoparticles under various thermal treatment conditions when they were patterned by a contact printing technique on polyimide substrate film...

    Sang Hwa Yoon, Jun Ho Lee, Pyoung Chan Lee, Jae Do Nam in Macromolecular Research (2009)

  11. No Access

    Article

    Effect of Microstructural Development on Mechanical and Electrical Properties of Inkjet-Printed Ag Films

    The microstructural characterization of inkjet-printed Ag films sintered at various conditions was carried out to analyze the effect of microstructure on mechanical and electrical properties. As expected, the...

    Inyoung Kim, Young Ah Song, Hyun Chul Jung in Journal of Electronic Materials (2008)

  12. No Access

    Chapter and Conference Paper

    Network Based Service Robot for Education

    The usage of robotic technology for human services is increasingly coming into realization. Despite rapid advances, there are few robots that are practically in use in the human life environment. The service r...

    Kyung Chul Shin, Naveen Kuppuswamy in EKC2008 Proceedings of the EU-Korea Confer… (2008)

  13. No Access

    Article

    Studies on Inkjet-Printed Conducting Lines for Electronic Devices

    Inkjet printing is considered one of the most promising methods for patterning and materials deposition. The feasibility of employing inkjet technology for the creation of conductive pathways on printed circui...

    Hyun Chul Jung, Su-Hwan Cho, Jae Woo Joung, Yong-Soo Oh in Journal of Electronic Materials (2007)

  14. No Access

    Article

    Ultra-drawing of gel films of ultra high molecular weight polyethylene/low molecular weight polymer blends containing BaTiO3 nanoparticles

    The ultra-drawing process of an ultra high molecular weight polyethylene (UHMWPE) gel film was examined by incorporating linear low-density polyethylene (LLDPE) and BaTiO3 nanoparticles. The effects of LLDPE and ...

    Ho Sik Park, Jong Hoon Lee, Jae-Do Nam, Soo Jung Seo in Macromolecular Research (2006)

  15. No Access

    Article

    Rheological properties of polystyrene and poly(methyl methacrylate) blends

    Rheological properties of the polystyrene (PS) and poly(methyl methacrylate) (PMMA) blends were studied by Advanced Rheometric Expansion System (ARES). Storage modulus and loss modulus of the PS and PMMA blend...

    Min Soo Han, Hyun Chul Jung, Jung Hoon Park in Korean Journal of Chemical Engineering (2002)

  16. No Access

    Article

    Thermal strain analysis of composite materials by electronic speckle pattern interferometry

    This study discusses a non-contact optical technique (electronic speckle pattern interferometry) that is well suited for thermal deformation measurement without any surface preparation and compensating process...

    Koung Suk Kim, Wan Shik Jang, Myung Seak Hong, Ki Soo Kang in KSME International Journal (2000)

  17. No Access

    Article

    Experimental analysis of vibration modes of plates using ESPI

    In the world, there are several types of vibration, and these vibrations especially affect the mechanical industry. In this paper, experimental analysis of vibration modes of plates is discussed. Electronic sp...

    Koung-Suk Kim, Hyun-Chul Jung, Ki-Soo Kang, Young-June Kang in KSME International Journal (1999)

  18. No Access

    Article

    Blends of a thermotropic liquid crystalline polymer and some flexible chain polymers and the determination of the polymer-polymer interaction parameter of the two polymers

    Hyun Chul Jung, Heon Sang Lee, Yong Sung Chun, Sang-Bum Kim in Polymer Bulletin (1998)

  19. No Access

    Article

    In-plane strains measurement by using the electronic speckle pattern interferometry

    Two-dimensional in-plane displacements and strains are measured using an electronic speckle pattern interferometry (ESPI) system based on the dual beam speckle interferometric method. Different types of specim...

    Koung-Suk Kim, Hyun-Chul Jung, Ki-Soo Kang, Jong-Kook Lee in KSME International Journal (1998)

  20. No Access

    Chapter

    A Study on the Measurement of in-Plane Displacement at High Temperature by Electronic Speckle Pattern Interferometry Method

    In recent years, Laser Speckle Pattern Interferometry(SPI) and its development have enabled surface deformation of structure components and materials to be accurately examined. SPI is a very useful method for ...

    Koung-Suk Kim, Hyoung-Tek Kim, Yong-Hoon Cha in Review of Progress in Quantitative Nondest… (1998)