Search Results - "Sin Woo Lee"

High Step-Up Coupled-Inductor Cascade Boost DC-DC Converter With Lossless Passive Snubber by Lee, Sin-Woo, Do, Hyun-Lark

“…In this paper, a high step-up coupled-inductor cascade boost dc-dc converter with lossless passive snubber is proposed. Although a conventional cascade boost…”
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Quadratic Boost DC-DC Converter With High Voltage Gain and Reduced Voltage Stresses by Lee, Sin-Woo, Do, Hyun-Lark

“…This paper proposes a quadratic boost dc-dc converter with a high voltage gain and reduced voltage stresses. The conventional quadratic boost converter has a…”
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Zero-Ripple Input-Current High-Step-Up Boost–SEPIC DC–DC Converter With Reduced Switch-Voltage Stress by Lee, Sin-Woo, Do, Hyun-Lark

“…This paper proposes a zero-ripple input-current high-step-up boost-single ended primary inductor converter (SEPIC) dc-dc converter with reduced switch-voltage…”
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A Single-Switch AC–DC LED Driver Based on a Boost-Flyback PFC Converter With Lossless Snubber by Lee, Sin-Woo, Do, Hyun-Lark

“…A single-switch ac-dc light-emitting-diode (LED) driver based on boost-flyback power factor correction (PFC) converter with a lossless snubber is proposed. In…”
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Isolated SEPIC DC-DC Converter With Ripple-Free Input Current and Lossless Snubber by Lee, Sin-Woo, Do, Hyun-Lark

“…This paper proposes an isolated single-ended primary-inductor converter (SEPIC) dc-dc converter with ripple-free input current and lossless snubber. The…”
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Single-Stage Bridgeless AC-DC PFC Converter Using a Lossless Passive Snubber and Valley Switching by Lee, Sin-Woo, Do, Hyun-Lark

“…A single-stage bridgeless ac-dc PFC converter using a lossless passive snubber and valley switching is proposed. The proposed converter is based on a two-stage…”
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Boost-Integrated Two-Switch Forward AC–DC LED Driver With High Power Factor and Ripple-Free Output Inductor Current by Lee, Sin-Woo, Do, Hyun-Lark

“…This paper proposes a boost-integrated two-switch forward ac-dc light-emitting diode (LED) driver with a high power factor and ripple-free output inductor…”
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Soft-Switching Two-Switch Resonant AC-DC Converter With High Power Factor by Lee, Sin-Woo, Do, Hyun-Lark

“…A soft-switching two-switch resonant power factor correction (PFC) converter is presented. In this converter, a boost PFC circuit is integrated with a…”
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Experimental investigation of Mg isotope fractionation during mineral dissolution and clay formation by Ryu, Jong-Sik, Vigier, Nathalie, Decarreau, Alain, Lee, Sin-Woo, Lee, Kwang-Sik, Song, Hyeongseok, Petit, Sabine

“…Silicate minerals are a major Mg source to seawater through rivers and therefore it is important to determine the impact of dissolution and formation of…”
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Variation of lithium isotope geochemistry during basalt weathering and secondary mineral transformations in Hawaii by Ryu, Jong-Sik, Vigier, Nathalie, Lee, Sin-Woo, Lee, Kwang-Sik, Chadwick, Oliver A.

“…Lithium isotopes are a potential tracer of silicate weathering but the relationship between lithium isotope compositions and weathering state still need to be…”
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Isolated High Step-Up Dual-Flyback DC-DC Converter with a Resonant Voltage Multiplier by Lee, Sin-Woo, Do, Hyun-Lark

“…This article proposes an isolated high step-up dual-flyback DC-DC converter with a resonant voltage multiplier. The proposed converter achieves galvanic…”
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Efficient bridgeless PFC converter with reduced voltage stress by Lee, Sin-Woo, Do, Hyun-Lark

“…Summary An efficient bridgeless power factor correction converter with reduced voltage stress is proposed. In the proposed converter, the input full‐bridge…”
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Association between predictors of progression of benign prostatic hyperplasia and moderate-to-severe prostatitis-like symptoms: A propensity score–matched analysis by Lee, Jun Ho, Won Park, Yeon, Woo Lee, Sin, Duck Choi, Jae, Yoon Kang, Jung, Yoo, Tag Keun

“…We investigated the association between moderate-to-severe prostatitis-like symptoms and the predictors of benign prostatic hyperplasia (BPH) progression. Men…”
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High temperature deformation behavior of spray-formed and subsequently extruded Al-25Si based alloy by Lee, Sin-Woo, Kim, Mok-Soon

“…The high temperature deformation behavior of spray-formed and subsequently extruded Al-25Si based alloy containing fine Si and ultra-fine intermetallic phases…”
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Discrimination of side-window glass of Korean autos by laser ablation inductively coupled plasma mass spectrometry by Lee, Sin-Woo, Ryu, Jong-Sik, Min, Ji-Sook, Choi, Man-Yong, Lee, Kwang-Sik, Shin, Woo-Jin

“…Rationale Fragments of glass from cars are often found at crime scenes and can be crucial evidence for solving the crime. The glass fragments are important as…”
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Using stable isotope analysis to discriminate gasoline on the basis of its origin by Heo, Su-Young, Shin, Woo-Jin, Lee, Sin-Woo, Bong, Yeon-Sik, Lee, Kwang-Sik

“…RATIONALE Leakage of gasoline and diesel from underground tanks has led to a severe environmental problem in many countries. Tracing the production origin of…”
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Magnesium isotope geochemistry in the Han River, South Korea by Lee, Sin-Woo, Ryu, Jong-Sik, Lee, Kwang-Sik

“…Magnesium (Mg) isotopes can be a proxy for directly constraining the sources of riverine Mg, but the dominant controls on riverine Mg isotope ratios are still…”
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Tension-Free Vaginal Tape-SECUR Procedure for the Treatment of Female Stress Urinary Incontinence: 3-Year Follow-Up Results by LEE, Ha Na, LEE, Sin-Woo, LEE, Young-Suk, LEE, Seo Yeon, LEE, Kyu-Sung

“…Objectives To assess the efficacy and complications associated with the use of the tension‐free vaginal tape (TVT)‐Secur system device for the treatment of…”
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Outcomes of Retzius-sparing versus conventional robot-assisted radical prostatectomy: A KSER update series systematic review and meta-analysis by Chung, Doo Yong, Jung, Hae Do, Kim, Do Kyung, Lee, Min Ho, Lee, Sin Woo, Paick, Sunghyun, Lee, Joo Yong, Jeon, Seung Hyun

“…Robotic-assisted radical prostatectomy(RARP) is widely used to surgically treat of localized prostate cancer. Among RARP, retzius-sparing techniques(RS-RARP)…”
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Therapeutic effects of endoscopic ablation in patients with Hunner type interstitial cystitis by Ko, Kwang Jin, Chung, Hyunwoo, Suh, Yoon Seok, Lee, Sin Woo, Kim, Tae Heon, Lee, Kyu‐Sung

“…Objective To investigate the efficacy of endoscopic ablation of Hunner lesions (HLs) in patients with interstitial cystitis (IC) and to find predictors of…”
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