http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
효과적인 다차원 분석을 지원하는 스프레드시트 방식의 OLAP 인터페이스 설계 및 구현
윤민희,김진호,문양세 강원대학교 정보통신연구소 2006 정보통신논문지 Vol.10 No.-
OLAP systems support effectively data analysis over a large volume of business data to make decisions for an enterprise. In order to process data analysis efficiently, OLAP systems pre-compute the summary of business data over various dimensions and store them into data warehouses. Several specialized tools have been developed to display and to browse the results of complex analytical queries on data warehouses. In this paper, we developed a spreadsheet-like tool to support OLAP operations and to browse the results of analytical queries. Spreadsheet is one of the most popular and user-friendly data analysis tool. It also has lots of advantages, which is interactive, easy to learn, etc. Thus this paper implemented an OLAP tool using spreadsheet-style interface to analyze large OLAP data on World-Wide Web. Through this tool, users can process OLAP activities easily and effectively by using the same ways as well-known shreadsheet tools like Microsoft Excel.
효과적인 다차원 분석을 지원하는 스트레드시트 방식의 OLAP 인터페이스 설계 및 구현
윤민희,김진호,문양세 강원대학교 정보통신연구소 2006 정보통신논문지 Vol.10 No.-
OLAP systems support effectively data analysis over a large volume of business data to make decisions for an enterprise. In order to process data analysis efficiently, OLAP systems pre-compute the summary of business data over various dimensions and store them into data warehouses. Several specialized tools have been developed to display and to browse the results of complex analytical queries on data warehouses. In this paper, we developed a spreadsheet-like tool to support OLAP operations and to browse the results of analytical queries. Spreadsheet is one of the most popular and user-friendly data analysis tool. It also has lots of advantages, which is interactive, easy to learn, etc. Thus this paper implemented an OLAP tool using spreadsheet-style interface to analyze large OLAP data on World-Wide Web. Through this tool, users can process OLAP activities easily and effectively by using the same ways as well-known shreadsheet tools like Microsoft Excel.
Yang Hui-Hui,Jiang Hui-Ling,Tao Jia-Hao,Zhang Chen-Yu,Xiong Jian-Bing,Yang Jin-Tong,Liu Yu-Biao,Zhong Wen-Jing,Guan Xin-Xin,Duan Jia-Xi,Zhang Yan-Feng,Liu Shao-Kun,Jiang Jian-Xin,Zhou Yong,Guan Cha-Xi 생화학분자생물학회 2022 Experimental and molecular medicine Vol.54 No.-
Necroptosis is the major cause of death in alveolar epithelial cells (AECs) during acute lung injury (ALI). Here, we report a previously unrecognized mechanism for necroptosis. We found an accumulation of mitochondrial citrate (citratemt) in lipopolysaccharide (LPS)-treated AECs because of the downregulation of Idh3α and citrate carrier (CIC, also known as Slc25a1). shRNA- or inhibitor–mediated inhibition of Idh3α and Slc25a1 induced citratemt accumulation and necroptosis in vitro. Mice with AEC-specific Idh3α and Slc25a1 deficiency exhibited exacerbated lung injury and AEC necroptosis. Interestingly, the overexpression of Idh3α and Slc25a1 decreased citratemt levels and rescued AECs from necroptosis. Mechanistically, citratemt accumulation induced mitochondrial fission and excessive mitophagy in AECs. Furthermore, citratemt directly interacted with FUN14 domain-containing protein 1 (FUNDC1) and promoted the interaction of FUNDC1 with dynamin-related protein 1 (DRP1), leading to excessive mitophagy-mediated necroptosis and thereby initiating and promoting ALI. Importantly, necroptosis induced by citratemt accumulation was inhibited in FUNDC1-knockout AECs. We show that citratemt accumulation is a novel target for protection against ALI involving necroptosis.
Yang, Hye Jin,Yim, Nam-Hui,Lee, Kwang Jin,Gu, Min Jung,Lee, Bohyoung,Hwang, Youn-Hwan,Ma, Jin Yeul Elsevier Science B.V., Amsterdam 2016 Integrative medicine research Vol.7 No.4
<P><B>Background</B></P><P>Yijin-tang (YJ) has been used traditionally for the treatment of cardiovascular conditions, nausea, vomiting, gastroduodenal ulcers, and chronic gastritis. In this study, a simple and sensitive high-performance liquid chromatography (HPLC) method was developed for the quantitation of nine bioactive compounds in YJ: homogentisic acid, liquiritin, naringin, hesperidin, neohesperidin, liquiritigenin, glycyrrhizin, 6-gingerol, and pachymic acid.</P><P><B>Methods</B></P><P>Chromatographic separation of the analytes was achieved on an RS Tech C<SUB>18</SUB> column (4.6 mm × 250 mm, 5 μm) using a mobile phase composed of water containing 0.1% (v/v) trifluoroacetic acid (TFA) and acetonitrile with a gradient elution at a flow rate of 1.0 mL/min.</P><P><B>Results</B></P><P>Calibration curves for all analytes showed good linearity (R<SUP>2</SUP> ≥ 0.9995). Lower limits of detection and lower limits of quantification were in the ranges of 0.03–0.17 μg/mL and 0.09–0.43 μg/mL, respectively. Relative standard deviations (RSDs; %) for intra- and interday assays were < 3%. The recovery of components ranged from 98.09% to 103.78%, with RSDs (%) values ranging from 0.10% to 2.59%.</P><P><B>Conclusion</B></P><P>This validated HPLC method was applied to qualitative and quantitative analyses of nine bioactive compounds in YJ and fermented YJ, and may be a useful tool for the quality control of YJ.</P>
Microstructure and Magnetic Properties of Sn added MnBi Bulk Magnets
Yang Yang,Jung Tae Lim,Jihoon Park,Hui-Dong Qian,Oi Lun Li,Jong-Woo Kim,Chul-Jin Choi 한국자기학회 2021 한국자기학회 학술연구발표회 논문개요집 Vol.31 No.2
Rare-earth free permanent magnets are current emerging issues of industry for the growing market demands. Among the rare-earth free permanent magnets, MnBi has attracted attention for large magnetocrystalline anisotropy constant (K₁ ≈ 1.6 MJ/m³, at 300 K) and unique positive temperature coefficient of coercivity (Hc). The low-temperature phase (LTP) of MnBi exhibits a saturation magnetization (Ms) of 80 emu/g, and the theoretical maximum energy product (BH)max 17.7 MGOe at room temperature. However, it is a challenge to fabricate MnBi bulk magnets while maintaining the superior magnetic properties of the powder, especially to prevent the reduction of Hc from powder to bulk. The effects of Sn adding on the microstructure and magnetic properties of MnBi bulk magnets have been systematically investigated. As kwon, the pure MnBi bulk magnets are challenging to reach high Hc in previous studies, and a few reference works have been reported about research on fabrication of high Hc MnBi bulks by adding the third element. It was found that the Sn-added MnBi bulk magnets show the increased Hc and the improved squareness, apparently related to restructuring the intergranular phase due to Sn element addition. The Hc of MnBi bulk magnet with 3 wt.% Sn reaches 11.6 kOe, which is 35 % higher than that of the pure MnBi magnet. In the sample of 1 wt.% Sn added MnBi bulk magnet, the Hc was elevated to 10.0 kOe, and the maximum energy product (BH)max was recorded of 7.84 MGOe at room temperature. This makes Sn added MnBi bulk magnet a promising candidate for next-generation rare-earth-free bulk magnets. 〈그림 본문참조〉
Effects of Sn Addition on the Microstructure and Magnetic Properties of MnBi Bulk Magnets
Yang Yang,Jung Tae Lim,Jihoon Park,Hui-Dong Qian,Oi Lun Li,Jong-Woo Kim,Chul-Jin Choi 한국자기학회 2021 한국자기학회 학술연구발표회 논문개요집 Vol.31 No.1
Rare-earth free permanent magnets are current emerging issues of industry for the growing market demands. Among the rare-earth free permanent magnets, MnBi has attracted attention for large magneto crystalline anisotropy constant (K1 ≈ 1.6 MJ/m<sup>3</sup>, at 300 K) [1] and unique positive temperature coefficient of coercivity (H<sub>c</sub>) [2]. The low-temperature phase (LTP) of MnBi exhibits a saturation magnetization (M<sub>s</sub>) of 80 emu/g, and the theoretical maximum energy product (BH)<sub>max</sub> 17.7 MGOe at room temperature [3]. However, it is a challenge to fabricate MnBi bulk magnets while maintaining the superior magnetic properties of the powder, especially to prevent the reduction of H<sub>c</sub> from powder to bulk. The effects of Sn adding on the microstructure and magnetic properties of MnBi bulk magnets have been systematically investigated. As kwon, the pure MnBi bulk magnets are challenging to reach high H<sub>c</sub> in previous studies, and a few reference works have been reported about research on fabrication of high H<sub>c</sub> MnBi bulks by adding the third element. It was found that the Sn-added MnBi bulk magnets show the increased H<sub>c</sub> and the improved squareness, apparently related to restructuring the intergranular phase due to Sn element addition. The H<sub>c</sub> of MnBi bulk magnet with 3 wt.% Sn reaches 11.6 kOe, which is 35 % higher than that of the pure MnBi magnet. In the sample of 1 wt.% Sn added MnBi bulk magnet, the H<sub>c</sub> was elevated to 10.0 kOe, and the maximum energy product (BH)<sub>max</sub> was recorded of 7.84 MGOe at room temperature. This makes Sn added MnBi bulk magnet a promising candidate for next-generation rare-earth-free bulk magnets.