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6篇 您的检索式:作者名="SeongWoo Lee"
    题名 作者 年代 出处 被引量
1Conceptual design of the Kumgang laser: a high-power coherent beam combination laser using SC-SBS-PCMs towards a Dream laser显示文摘In this review paper, we introduce a self-phase controlled stimulated Brillouin scattering phase conjugate mirror(SCSBS-PCM) and the Kumgang laser. The SC-SBS-PCM was proposed and demonstrated its success at the academic low power level, ~100 mJ@10 Hz. The Kumgang laser is under development to verify whether the SC-SBS-PCM is operable at the k W level. It is a 4 kW beam combination laser combining four 1 k W beams using the SC-SBS-PCM. If the Kumgang laser functions successfully, it will be the most important step towards a Dream laser, a hypothetical laser with unlimited power and a high repetition rate.Hong Jin Kong Sangwoo Park Seongwoo Cha Heekyung Ahn Hwihyeong Lee Jungsuk Oh Bong Ju Lee Soungwoong Choi Jom Sool Kim 2015High Power Laser Science and Engineering2015,3,1:5
2Selecting and applying quantification models for ecosystem services to forest ecosystems in South Korea显示文摘There is growing interest in using ecosystem services to aid development of management strategies that target sustainability and enhance ecosystem support to humans. Challenges remain in the search for methods and indicators that can quantify ecosystem services using metrics that are meaningful in light of their high priorities.We developed a framework to link ecosystems to human wellbeing based on a stepwise approach. We evaluated prospective models in terms of their capacity to quantify national ecosystem services of forests. The most applicable models were subsequently used to quantify ecosystem services. The Korea Forest Research Institute model satisfied all criteria in its first practical use. A total of 12 key ecosystem services were identified. For our case study, we quantified four ecosystem functions, viz. water storage capacity in forest soil for water storage service, reduced suspended sediment for water purification service, reduced soil erosion for landslide prevention service, and reduced sediment yield for sediment regulation service. Water storage capacity in forest soil was estimated at 2142 t/ha,and reduced suspended sediment was estimated at 608 kg/ha. Reduced soil erosion was estimated at 77 m^3/ha, and reduced sediment yield was estimated at 285 m^3/ha. These results were similar to those reported by previous studies.Mapped results revealed hotspots of ecosystem services around protected areas that were particularly rich in biodiversity. In addition, the proposed framework illustrated that quantification of ecosystem services could be supported by the spatial flow of ecosystem services. However,our approach did not address challenges faced when quantifying connections between ecosystem indicators and actual benefits of services described.Hyun-Ah Choi Woo-Kyun Lee Cholho Song Nicklas Forsell Seongwoo Jeon Joon Soon Kim So Ra Kim 2016Journal of Forestry Research2016,27,6:1
3The Historical Review of Traditional Korean Fermented Foods显示文摘 Seongwoo 1988Korea Society of Food and Cooking Science1988,3,4:1
4The effect of the rural tourism policy on non-farm income in South Korea显示文摘JaeHee Hwang SeongWoo Lee 2015Tourism Management2015,46,2:1
5Fabri- cation process and electromagnetic wave absorption char- acterization of a CNT/Ni/Epoxy nanocomposite 显示文摘Seongwoo Ryu Chan Bin Mo Haeshin Lee 2013Journal of Nanoscience and Nanotechnology2013,13,:1
6Heat Treatment of the Photonic Crystal Fiber显示文摘We report heat treatment of the photonic crystal fiber. As the temperature was increased, the transmission of the photonic crystal fiber was increased, unlike conventional single mode fiber. The transmission increase at short wavelength region was larger than long wavelength region for the various temperatures. After crystallization of the silica glass, the spectra of the photonic crystal fiber were just decreased at all wavelength regions, but, in case of the single mode fiber, the absorption in visibl...Joo Beom Eom Seongwoo Yoo Jinchae Kim Hokyung Kim Un-Chul Paek Byeong Ha Lee 2003光学学报2003,23,S1:0
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