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EXPLOSIVE CONSOLIBATED SICp/Al-Li COMPOSITE AND ITS MICROSTRUCTURE
Shao, Shao, Wen-Zhu,An, An, Xi-Yong 한국재료학회 1995 Fabrication and Characterization of Advanced Mater Vol.2 No.4
Blanks of SiCp/Al-Li composite were produced by way of powder explossion consolidation method which has been optimized in parameter thriugh expoeriment. By SEM, it was found that the microstructure of this composite has following characteristics : (1) SiC particles are uniformlu distributed in the composite ; (2) Al-Li powders still remain original dendrite structure ; (3) There is some metalluryical bonding between composite particles ; (4) hine particles deform or milt preferentiallu and along some direction deformation of Al-Li particles ; (5) SiCp/Al-Li composite is composed of two kind of Al-Li pweders with very different size ; (6) press-torsion, pressless sinter and hot is static press treatment will make original dendrite in Al-Li particles disappear, further enlargi metallurgical bonding region and incress the dinsity of composite.
( Wen-lei Xu ),( Shao-hong Wang ),( Wen-bing Sun ),( Jun Gao ),( Xue-mei Ding ),( Jian Kong ),( Li Xu ),( Shan Ke ) 생화학분자생물학회(구 한국생화학분자생물학회) 2019 BMB Reports Vol.52 No.4
Currently speaking, it is noted that radiofrequency ablation (RFA) has been the most widely used treatment for hepatocellular carcinoma (HCC) occurring in patients. However, accumulating evidence has demonstrated that the incidence of insufficient RFA (IRFA) may result in the identified rapid progression of residual HCC in the patient, which can greatly hinder the effectiveness and patient reported benefits of utilizing this technique. Although many efforts have been proposed, the underlying mechanisms triggering the rapid progression of residual HCC after IRFA have not yet been fully clarified through current research literature reviews. It was shown in this study that cell proliferation, migration and invasion of residual HepG2 and SMMC7721 cells were significantly increased after the IRFA was simulated in vitro. In other words, it is noted that IRFA could do this by enhancing the image of autophagy of the residual HCC cell via the HIF-1 α/BNIP3 pathway. Consequently, the down-regulation of BNIP3 may result in the inhibition of the residual HCC cell progression and autophagy after IRFA. Our present study results suggest that IRFA could promote residual HCC cell progression in vitro by enhancing autophagy via the HIF-1 α/BNIP3 pathway. For this reason, it is noted that the targeting of the BNIP3 may be useful in preventing the rapid growth and metastasis of residual HCC after IRFA. [BMB Reports 2019; 52(4): 277-282]
명대(明代) 황실 관례(冠禮)의 행례(行禮) 특성 및 신분별 관례복(冠禮服) 연구 -조선(朝鮮)의 ‘익선관강사포(翼善冠絳紗袍)’에 대한 논의를 겸하여-
溫少華 ( Shao Hua Wen ),최연우 ( Yeon Woo Choi ) 한국의류학회 2021 한국의류학회지 Vol.45 No.2
The Gwan ceremony (冠禮) is a coming-of-age ceremony that takes place through traditional Gwan (冠: the hat) and clothes in the traditional era. The rite is performed by wearing hats and clothes three consecutive times (三加禮). It was an important rite which meant that underage children were formally recognized as members of society. This study examined costumes of people who participated in various coming-of-age ceremony rites in the Ming dynasty imperial court of China. For the research data, this study mainly used authentic chronicles (正史), codes of law and books on Ming dynasty rituals. This study examined the costumes used in the coming-of-age ceremony for the emperor, Prince Imperial, Emperor's eldest grandson, and emperor's sons. The results of this study were divided into an analysis of the document structure, institutional changes by time, characteristics of costumes, and characteristics of the rite. Of particular note in their ceremony, the emperor is presupposed to be a ‘human already full-equipped with virtue’, which means that the costume is worn only once. It is a case in which the emperor's absolute identity is revealed through the rite and costume.
명대(明代) 곤룡포(袞龍袍)와 곤룡문(袞龍紋)의 색(色) 연구
溫少華(Wen Shao-Hua),최연우(Choi Yeon-Woo) 한복문화학회 2021 韓服文化 Vol.24 No.3
A Gunlong-pao means a long dress expressed with a Gunlong pattern, and the Gunlong pattern expresses a "Gunlong," a dragon in a winding form as a pattern. Since the Gunlong-pao was worn daily by the emperor, the crown prince, and the prince of the Ming Dynasty, it was most often worn among various types of court fashions. Therefore, even for researchers and the general public, the Gunlong-pao is a very familiar dress. However, it was so familiar that a royal fashion history field did not conduct in-depth research on this dress. Therefore, this study investigated the color of the Gunlong-pao and the Gunlong pattern. As the research data, literature, relics, and paintings were comprehensively utilized. The research results are as follows. First, the shape and type of the Gunlong-pao and Gunlong pattern in the Ming Dynasty diversified from the former to the latter period, and this phenomenon also appeared in their colors. Second, in the early Ming Dynasty, the color of the Gunlong-pao was determined as five colors based on the season, and in a “Yongle 3rd year’s Ding(永樂3年定)” system, the color of the Gunlong-pao was determined as yellow (emperor) and red (crown prince and below classes) based on the status. However, in the actual use in the mid to late period of the Ming Dynasty, it was confirmed that the emperor"s Gunlong-pao had various colors, such as red and reddish-black, in addition to yellow. It was confirmed that the fashion colors of the crown prince or below classes were only the red according to the system. Third, the emperor"s "Gunfu", which appeared in the mid to late period, used the five colors, applying the coexistence of five elements to four Gunlong patterns on its upper body. Fourth, the Gunlong-pao gave to the status of the crown prince or lower by the emperor, was classified into three classes based on the color in the late period of the Ming Dynasty.
( Wang Shao Wen ),( Miao Xing ),( Gang Liu ),( Shao Wen Yu ),( Juan Wang ),( Sheng Li Tian ) 한국미생물 · 생명공학회 2012 Journal of microbiology and biotechnology Vol.22 No.8
Ribonucleic acid interference (RNAi) inhibits the expression of target genes in a sequence-specific manner, and shows potential for gene knockdown in filamentous fungi, in which the locus-specific gene knockout occurs in low frequency. In this study, the function of the repressor of cellulase expression I (ACEI) was verified in Trichoderma koningii (T. koningii) YC01 through RNAi, and ace1-silenced strains with improved cellulase productivity were obtained. An expression cassette that transcribed the interfering double-stranded RNA (dsRNA) of ace1 was constructed and transformed into T. koningii, and the transformants, in which the expression of ace1 was successfully silenced, were selected. As a result of the ace1 gene silencing, the expression levels of the main cellulase and xylanase genes were elevated, and the enhanced production of total proteins, cellulase, and xylanase was observed in the cultivation. In addition, the downregulation of ace1 resulted in an increasing expression of xyr1, but no clear variation in the expression of cre1, which suggested that ACEI acted as a repressor of the xyr1 transcription, but was not involved in the regulation of the cre1 expression. The results of this work indicate that ace1 is a valid target gene for enhancing enzyme production in T. koningii, and RNAi is an appropriate tool for improving the properties of industrial fungi.
규칙 기반 프로그램을 이용한 농촌관광자원 연계코스의 개발
소문 ( Shao Wen ),리신호 ( Rhee Shin-ho ),윤성수 ( Yoon Seong-soo ) 한국농공학회 2007 한국농공학회 학술대회초록집 Vol.2007 No.-
In order to promoting revitalization of rural amenity and helping citizens realize the characteristics of rural region easily, it is necessary to create a tourism course to increase the importance of tour site. In this paper, a theory about constituting tourism course and a rule are created. Setting Yeongyang-Gun Gyeongsangbuk-Do as a research subject, it is well-known about the main characteristics of rural amenity through investigating one actually. Analyze the data using multivariate analysis statistic method, then distinguish the type of tourism resource. Constitute the tourism subject using Analytic Hierarchy Process. Finally a various tourism course of Yeongyang-Gun for tourist can be got through executing the program according to constituting rule of tourism course.
miR-9 Modulates Osteosarcoma Cell Growth by Targeting the GCIP Tumor Suppressor
Zhu, Shao-Wen,Li, Jian-Peng,Ma, Xin-Long,Ma, Jian-Xiong,Yang, Yang,Chen, Yang,Liu, Wei Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.11
Osteosarcoma is the most common primary bone tumor in humans, especially in childhood. However, the genetic etiology for its pathogenesis remains elusive. It is known that microRNAs (miRNAs) are involved in the development of tumor progression. Here we show that microRNA-9 (miR-9) is a potential oncogene upregulated in osteosarcoma cells. Knockdown of miR-9 in osteosarcoma resulted in suppressed colony formation and cell proliferation. Further study identified GCIP, a Grap2 and cyclin D interacting protein, as a direct target of miR-9. In addition, GCIP overexpression activated retinoblastoma 1 (Rb) and suppressed E2F transcriptional target expression in osteosarcoma cells. Moreover, GCIP depletion reversed miR-9 knockdown induced colony formation and cell proliferation suppression. In sum, these results highlight the importance of miR-9 as an oncogene in regulating the proliferation of osteosarcoma by directly targeting GCIP and may provide new insights into the pathogenesis of osteosarcoma.