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      • Caving Disaster and Oil Spill Removal Adsorbent Mag-Sorbent

        Soh,,Dea-Wha,Soh,,Hyun-Jin,Soh,,Hyun-Jun,Soh,,Hyun-Jae The Speleological Society 2008 동굴 Vol.85 No.-

        For trying to frontal attack of new solution by fusion of technical tasks and conditions with it's solving methods of the essential tasks of marine resource development and environmental conservation in addition with elements of electronic high-technologies, the magnetic oil spill adsorbent of Mag-Sorbent* has been prepared and proposed to dispose oil spill from the marine disaster for preventing oil pollution by using them and their system with sequentially circular collection of oil spill mag-sorbent powder and fabrics on the electronic equipment like as barge robot for the scheme of sustainable development of environment-friendly technology. Because of recent marine accident occurred at Tae-An cost and earthquake in Sichuan province were very large scale accident of disaster to prevent and manage of them. So, it was verified from the experiment of electronic demonstrator that the skimmer system of oil spill mag-sorbent powder and fabrics prepared was very effective and useful technique to collect oil spill samples on the water surface specially at the closed space of underground cave. At this point, the barge-based electronic remote control was very useful system operating easily on the marine fields but also water level at the small pool to skim it with the environment-friendly system of the disposing marine disaster and preventing oil pollution using magnetic adsorbents of Mag-Sorbent*.

      • Caving Disaster and Oil Spill Removal Adsorbent Mag-Sorbent

        ( Dea Wha Soh ), ( Hyun Jin Soh ), ( Hyun Jun Soh ), ( Hyun Jae Soh ) 한국동굴학회 2008 동굴 Vol.85 No.-

        For trying to frontal attack of new solution by fusion of technical tasks and conditions with it`s solving methods of the essential tasks of marine resource development and environmental conservation in addition with elements of electronic high-technologies, the magnetic oil spill adsorbent of Mag-Sorbent* has been prepared and proposed to dispose oil spill from the marine disaster for preventing oil pollution by using them and their system with sequentially circular collection of oil spill mag-sorbent powder and fabrics on the electronic equipment like as barge robot for the scheme of sustainable development of environment-friendly technology. Because of recent marine accident occurred at Tae-An cost and earthquake in Sichuan province were very large scale accident of disaster to prevent and manage of them. So, it was verified from the experiment of electronic demonstrator that the skimmer system of oil spill mag-sorbent powder and fabrics prepared was very effective and useful technique to collect oil spill samples on the water surface specially at the closed space of underground cave. At this point, the barge-based electronic remote control was very useful system operating easily on the marine fields but also water level at the small pool to skim it with the environment-friendly system of the disposing marine disaster and preventing oil pollution using magnetic adsorbents of Mag-Sorbent.

      • KCI등재

        장기표면의 내외봉한관과 봉한소체의 형태학적 관찰

        안성훈 ( Seong Hun Ahn ), 김민수 ( Min Su Kim ), 이상훈 ( Sang Hun Lee ), 권오상 ( O Sang Kwon ), 김재효 ( Jae Hyo Kim ), 소광섭 ( Kwang Sup Soh ), 손인철 ( In Chul Sohn ) 대한경락경혈학회 2009 Korean Journal of Acupuncture Vol.26 No.1

        Objective: In 1960`s Bonghan Kim`s team found BongHan(BH) ducts which were presumed as acupuncture meridians and BH corpuscles. They asserted Bonghan theory and SanAl theory which was involved in cell division and cell restoration. However, many other experiments which had been operated to demonstrate and find the existence of BH ducts had failed because of the secret of blue stain drugs. During the last several years, BongHan theory has been revived through experimental researches to find the anatomical structures of BH ducts and corpuscles by Soh`s Biomedical Physics Lab. Soh`s research team used the staining with Janus Green B, Alcian blue, nanoparticles and Acridine Orange. We used DAPI staining to find the existence of BH ducts and the corpuscles and to observe nuclear arrangement. Methods: We used japan white rabbits as experimental animals. BH ducts and corpuscles were stained with DAPI. The nucleus configuration in BH ducts stained with DAPI were observed with microscope. Results: In this study, we found thread like structures in silver white color distinguished from the blood vessels, nerves and lymph vessels. These thread like vessels in the linear duct shape were connected to same colored mass in the ball shape. Thread like structures we found could be separated easily from the surrounding other organ mass. The nuclei of the thread like structure in DAPI staining, are about 10~20㎛ length, in rod shape and linear arrangement. Conclusion: We concluded that the thread like structure we found was same vessel reported by Soh`s research team, BongHan ducts and corpuscle.

      • KCI등재후보

        An Improved Hybrid Approach to Parallel Connected Component Labeling using CUDA

        Soh,,Young-Sung,Ashraf,,Hadi,Kim,,In-Taek The Korea Institute of Convergence Signal Processi 2015 信號處理·시스템學會 論文誌 Vol.16 No.1

        In many image processing tasks, connected component labeling (CCL) is performed to extract regions of interest. CCL was usually done in a sequential fashion when image resolution was relatively low and there are small number of input channels. As image resolution gets higher up to HD or Full HD and as the number of input channels increases, sequential CCL is too time-consuming to be used in real time applications. To cope with this situation, parallel CCL framework was introduced where multiple cores are utilized simultaneously. Several parallel CCL methods have been proposed in the literature. Among them are NSZ label equivalence (NSZ-LE) method[1], modified 8 directional label selection (M8DLS) method[2], and HYBRID1 method[3]. Soh [3] showed that HYBRID1 outperforms NSZ-LE and M8DLS, and argued that HYBRID1 is by far the best. In this paper we propose an improved hybrid parallel CCL algorithm termed as HYBRID2 that hybridizes M8DLS with label backtracking (LB) and show that it runs around 20% faster than HYBRID1 for various kinds of images.

      • Fast Preparation of BSCCO Superconductor by Self-propagation High-temperature Synthesis

        Soh,,Deawha,Cho,,Yongjoon,Park,,Seongbeom,Soh,,Hyunjoon,Korobova,,N. 明知大學校 産業技術硏究所 2003 産業技術硏究所論文集 Vol.22 No.-

        Abstract - The BSCCO superconductor materials of using Self-propagating High-temperature Synthesis (SHS) were studied. Mechano-chemical activation - as a pretreatment of the reactants mixture - strongly influences the kinetic parameters, the reaction mechanism, and the composition and structure of the final product. In this paper as an effort for fabricating the SHSed BSCCO superconductor power by SHS method was considered to application in the synthesis of high temperature superconducting materials.

      • KCI등재

        Study on the Korean Traditional Dyeing:1) Unique features and understanding

        Soh,,Hwang,Oak The Korea Society of Costume 2013 International journal of costume and fashion Vol.13 No.1

        We know that humans are able to live comfortably when there is a balance between the living environment that surrounds us and us. Clothing, one of the necessities of life, serves a dual purpose of functioning as protection for the body as well as providing visual satisfaction, and so is the most effective bonding mechanism. A different type of comfort that has been provided through industrialization and advancements in technology has resulted in pollution problems in the environment, and it has reached a point of seriously thinking about its effects. The biggest problems in environmental pollution are air pollution and waste disposal, and something that cannot be ignored is that environmental hormones and harmful heavy metals have been discovered in the synthetic dyes used in the clothing product, and not only are they harmful to the body, but they also have adverse effects on skin allergies such as atopic dermatitis. Its effects on clothing, especially underwear and baby products, can become a serious issue. The use of natural vegetable dye can be considered the basis for the traditional Korean dyeing process, however not all natural dyeing process can be thought of as traditional Korean dyeing. This is because natural dyeing used to be the most common method of dyeing before synthetic dyes came along and became the dye of choice for most clothing. Natural dyes are beneficial to the body, and the nature colors, achieved from the natural materials, relieve eye strains as well as have a healing effect for people who are suffering from psychological instability such as stress. However, the use of mordant in order to increase the fastness and get better color effects can lead to even more damage to the environment, and it cannot be a dyeing method that is good for the body. Traditional natural dyeing is different from regular natural dyeing because it uses colors that the Korean people can identify with and applies specific methods in order to achieve those colors. Even though experimental study with dyestuff and practical use of the dyeing methods for traditional Korean dyeing has been started(Soh, H., 1983) and has been ongoing, it is still not easy for regular people to use the method on their own. At the present time, natural dye materials are getting made and sold more than ever, but there is a lot of confusion among consumers regarding the difference between traditional Korean dyeing and natural dyeing, as companies are using the two terms interchangeably to market their natural dye products. So getting a better understanding of the characteristics of traditional Korean dyeing and traditional colors should be considered first priority at this time. The purpose of this thesis is to study the traditional Korean view of color, which developed the culture of traditional dyeing in Korea, and the characteristics of traditional Korean dyeing, a method that pursued achieving Korea's color through natural dyeing.

      • SCISCIESCOPUS

        Molecular Basis for SMC Rod Formation and Its Dissolution upon DNA Binding

        Soh,,Young-Min,,rmann,,Frank,Shin,,Ho-Chul,Oda,,Takashi,Jin,,Kyeong ,Sik,Toseland,,Christopher ,P.,Kim,,Cheolhee,Lee,,Hansol,Kim,,Soo ,Jin,Kong,,Min-Seok,Durand-Diebold,,Marie-Laure Cell Press 2015 Molecular cell Vol.57 No.2

        <▼1><P><B>Summary</B></P><P>SMC condensin complexes are central modulators of chromosome superstructure in all branches of life. Their SMC subunits form a long intramolecular coiled coil, which connects a constitutive “hinge” dimerization domain with an ATP-regulated “head” dimerization module. Here, we address the structural arrangement of the long coiled coils in SMC complexes. We unequivocally show that prokaryotic Smc-ScpAB, eukaryotic condensin, and possibly also cohesin form rod-like structures, with their coiled coils being closely juxtaposed and accurately anchored to the hinge. Upon ATP-induced binding of DNA to the hinge, however, Smc switches to a more open configuration. Our data suggest that a long-distance structural transition is transmitted from the Smc head domains to regulate Smc-ScpAB's association with DNA. These findings uncover a conserved architectural theme in SMC complexes, provide a mechanistic basis for Smc's dynamic engagement with chromosomes, and offer a molecular explanation for defects in Cornelia de Lange syndrome.</P></▼1><▼2><P><B>Highlights</B></P><P>•<P>Prokaryotic Smc-ScpAB complexes form rod-like structures</P>•<P>Binding of ATP and DNA induces a rod-to-ring transition in prokaryotic condensin</P>•<P>The condensin hinge is rigidly anchored to its coiled coil</P>•<P>The rod-like conformation is a conserved feature of SMC protein dimers</P></P></▼2><▼3><P>Soh et al. show that the rod-like conformation is a conserved architectural scheme of SMC complexes. Upon ATP-induced binding to DNA, the juxtaposed coiled coils of prokaryotic Smc-ScpAB adopt an open conformation to expose a DNA binding site at the inner surface of the hinge domain.</P></▼3>

      • KCI등재후보

        Parallel Connected Component Labeling Based on the Selective Four Directional Label Search Using CUDA

        Soh,,Young-Sung,Hong,,Jung-Woo The Korea Institute of Convergence Signal Processi 2015 信號處理·시스템學會 論文誌 Vol.16 No.3

        Connected component labeling (CCL) is a mandatory step in image segmentation where objects are extracted and uniquely labeled. CCL is a computationally expensive operation and thus is often done in parallel processing framework to reduce execution time. Various parallel CCL methods have been proposed in the literature. Among them are NSZ label equivalence (NSZ-LE) method, modified 8 directional label selection (M8DLS) method, HYBRID1 method, and HYBRID2 method. Soh et al. showed that HYBRID2 outperforms the others and is the best so far. In this paper we propose a new hybrid parallel CCL algorithm termed as HYBRID3 that combines selective four directional label search (S4DLS) with label backtracking (LB). We show that the average percentage speedup of the proposed over M8DLS is around 60% more than that of HYBRID2 over M8DLS for various kinds of images.

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