299 Result(s)

Article

Properties of iron oxide particles prepared in the presence of dextran

Stable aqueous ferrofluids consisting of superparamagnetic iron oxide particles with nanometer size were prepared by adding aqueous dextran solutions of ferric and ferrous chlorides to ammonium hydroxide. The ...

Kun Moo Lee, Sun-Geon Kim, Woo-Sik Kim… in Korean Journal of Chemical Engineering (2002)

Article

Microstructure and mechanical property of irradiated Zr−2.5Nb pressure tube in Wolsong unit-1

With the aim of assessing the degradation of Zr−2.5Nb pressure tubes operating in the Wolsong unit-1 nuclear power plant, characterization tests are being conducted on irradiated Zr−2.5Nb tubes removed after 1...

Young Suk Kim, Sang Bok Ahn, Dong Joon Oh… in Metals and Materials International (2002)

Article

Design of a dual-drive mechanism for precision gantry

Gantry mechanisms have been widely used for precision manufacturing and material handling in electronics, nuclear, and automotive industries. Dual-drive servo mechanism is a way to increase control bandwidth, ...

Heung-Keun Park, Sung-Soo Kim, **-Moo Park, Daehie Hong… in KSME International Journal (2002)

Chapter

The Development of a Real-Time Multibody Vehicle Dynamics and Control Model for a Low Cost Virtual Reality Vehicle Simulator: An Application to Adaptive Cruise Control

The concept of the ACC (Adaptive Cruise Control) system is shown in Fig. 1. ACC system controls the throttle valve and the brake master cylinder to maintain a desired space between the preceding vehicle and th...

Sung-Soo Kim, Mooncheol Won in Virtual Nonlinear Multibody Systems (2003)

Article

Electromagnetic Wave Absorbing Properties of High-Permittivity Ferroelectrics Coated with ITO Thin Films of 377 Ω

For the aim of thin electromagnetic wave absorbers used in quasi-microwave frequency band, this study proposes the high-permittivity ferroelectrics of quarter wavelength thickness (λ/4 spacer) coated with ITO ...

Sung-Soo Kim, Yeo-Choon Yoon, Ki-Ho Kim in Journal of Electroceramics (2003)

Article

Microglial Phagocytosis of Dopamine Neurons at Early Phases of Apoptosis

Transection of the medial forebrain bundle caused apoptosis of dopamine neurons in the rat substantia nigra. Immunohistochemical localization of activated microglia and tyrosine hydroxylase in the axotomized s...

Byung Pil Cho, Shuei Sugama, Dong Hoon Shin… in Cellular and Molecular Neurobiology (2003)

Article

A Very Mean Value Theorem

Sung Soo Kim, John Holbrook in The Mathematical Intelligencer (2003)

Article

Protein carboxylmethylation in porcine spleen is mainly mediated by class i protein carboxylO-methyltransferase

The functional role of protein carboxylmethylation (PCM) has not yet been clearly elucidated in the tissue level. The biochemical feature of PCM in porcine spleen was therefore studied by investigating the met...

Jae Youl Cho, Sung Soo Kim, Myung Hee Kwon… in Archives of Pharmacal Research (2004)

Article

Inhibitory action of minocycline on lipopolysaccharide-lnduced release of nitric oxide and prostaglandin E2 in BV2 microglial cells

Microglia are the major inflammatory cells in the central nervous system and become activated in response to brain injuries such as ischemia, trauma, and neurodegenerative diseases including Alzheimer’s diseas...

Sung-Soo Kim, Pil-Jae Kong, Bong-Seog Kim… in Archives of Pharmacal Research (2004)

Article

Dyeing properties of bi-functional reactive dyes on a novel regenerated cellulosic fiber

Three bi-functional reactive dyes such as Bis(vinylsulphone) type, Bis(monochlorotriazine) type and Bis(mononicotinotriazine) type were applied to regular viscose rayon and new regenerated cellulosic fiber (enVix

Joonseok Koh, Ik Soo Kim, Sung Soo Kim, Woo Sub Shim, Jae Pil Kim in Fibers and Polymers (2004)

Article

Modulation of suppressive activity of lipopolysaccharide-induced nitric oxide production by glycosidation of flavonoids

Flavonoids have been demonstrated to exhibit a wide range of biological activities including anti-inflammatory and neuroprotective actions. Although a significant amount of flavonoids has been identified to be...

Yong Soo Kwon, Sung-Soo Kim, Soon Joo Sohn, Pil-Jae Kong… in Archives of Pharmacal Research (2004)

Article

Tissue transglutaminase is not involved in the aggregate formation of stably expressed α-synuclein in sh-sy5y human neuroblastoma cells

Intraneuronal deposition containing α-synuclein is implicated in the pathogenesis of synucleinopathies including Parkinsons disease (PD). Although it has been demonstrated that cytoplasmic inclusions of wild t...

Myung-Duk Suh, Chang-Ha Park, Sung-Soo Kim, Myeng-Og Kil… in Archives of Pharmacal Research (2004)

Chapter and Conference Paper

Experiments on the Energy Saving and Performance Effects of IEEE 802.11 Power Saving Mode (PSM)

This paper presents experimental results for the actual effects of the IEEE 802.11 power saving mode (PSM) on communication performance and energy saving. First, we have measured the throughput and response ti...

Do Han Kwon, Sung Soo Kim, Chang Yun Park… in Information Networking. Convergence in Bro… (2005)

Article

Subsystem synthesis methods with independent coordinates for real-time multibody dynamics

For real time dynamic simulation, two different subsystem synthesis methods with independent generalized coordinates have been developed and compared In each formulation, the subsystem equations of motion are ...

Sung-Soo Kim, Ji-Hyeun Wang in Journal of Mechanical Science and Technology (2005)

Article

Design and control of a marine satellite antenna

A three axes marine satellite antenna has been developed. As a design step, a CAD model for the antenna has been created according to the design requirements. Kinematic analyses are carried out to insure desig...

Mooncheol Won, Sung-Soo Kim in Journal of Mechanical Science and Technology (2005)

Chapter and Conference Paper

A Hybrid Information Retrieval Model Using Metadata and Text

Information retrieval (IR) with metadata tends to have high precision as long as the user expresses the information need accurately but may suffer from low recall because queries are too exact with the specifi...

Sung Soo Kim, Sung Hyon Myaeng… in Digital Libraries: Implementing Strategies… (2005)