• 제목/요약/키워드: Qu Yuan

검색결과 27건 처리시간 0.035초

신유학(新儒學), 장횡거(張橫渠)의 기일원론(氣一元論)과 이동원(李東垣)의 내상학설(內傷學說) (Neo-confucianism(新儒學), Zhang Heng-qu(張橫渠)'s Qi-monism(氣一元論) and Li Dong-yuan(李東垣)'s Theory of Internal Injury(內傷學說))

  • 이용범
    • 대한한의학원전학회지
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    • 제26권3호
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    • pp.11-18
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    • 2013
  • Objective : This paper was designed to confirm the relation between Li Dong-yuan(李東垣)'s theory of internal injury(內傷學說) and Neo-confucianism(新儒學)'s academic orientation, particularly Zhang Heung-qu(張橫渠)'s 'Qi-monism(氣一元論)'. Method : Through a comparative literature review, I searched for the commonality between Li Dong-yuan(李東垣)'s theory of internal injury(內傷學說) and Neo-confucianism(新儒學)'s academic orientation, particularly Zhang Heung-qu(張橫渠)'s 'Qi-monism(氣一元論)', and also examined the difference in the meaning of 'Primordial Qi(元氣)' in Qi-monism and that Lee Dong-yuan proposed. Result & Conclusion : The central theme of Neo-confucianism, 'Staying on the Golden Path(允執厥中)', has a commonality with Li Dong-yuan's theory of internal injury that emphasized Primordial Qi, and the concepts of "Great Vacuity as Qi(太虛卽氣)", "Two Properties Inherent in a Single Object(一物兩體)", and "the Nature of Acquired Disposition(氣質之性)" have commonality with the concepts of "The Given from the Vacuity of Natural World(所受於天)", Up & Down Movement(升降運動), and Yin Fire(陰火) of Primordial Qi in Li Dong-yuan's theory of internal injury respectively. However, the concept of Primordial Qi in the Theory of Qi-monism refers to the building blocks of all things in the universe, whereas the concept of Primordial Qi that Li Dong-yuan proposed has no meaning of component of body but driving force that maintains the phenomenon of life.

초사(楚辭)에 나타난 식물 소재의 활용 및 향유 방식 - 굴원(屈原)의 시문을 중심으로 - (A Study on Utility and Appreciation of the Plants in "Poetry of the South" - Focusing on Qu-Yuan's Poetry -)

  • 윈쟈옌;성종상
    • 한국전통조경학회지
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    • 제32권4호
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    • pp.50-60
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    • 2014
  • 본 연구는 초사에 수록된 굴원의 시 속에 등장하는 식물을 대상으로 B.C. 340부터 B.C. 277 사이의 식물 활용 형태, 향유방식 등을 상징적인 구사의 관점에서 고찰하였다. 본 연구의 결과를 요약하면 다음과 같다. 첫째, 초사에는 총 80분류군(taxa), 56종의 식물이 등장하는데, 기원전에 이미 이런 식물들이 존재했고 생활 속에서 향유되었다는 사실을 확인하였다. 둘째, 정원에서 쓰이는 식물은 향수란, 바질, 적작약, 큰까치수영, 구릿대, 백목련, 국화, 창포, 지치, 자목련 등이 있고, 장식용으로 쓰이는 식물은 천궁, 구릿대, 등골나무, 연꽃, 마디풀, 바질, 여라, 금채석곡, 두형 등이 있으며, 선물용으로는 고량강과 삼이 있고, 제사용으로는 바질, 향수란, 파초가 있었다. 셋째, 식물 향유 방식의 고찰을 통해 미각적으로 향유하는 식물은 백목란, 국화, 목서, 바질, 화초, 천궁 등이 있고, 촉각적으로 향유하는 식물은 백목련, 마미송, 백목 등으로 나타났다. 넷째, 식물의 상징적 구사의 고찰을 통해 고결한 품격을 상징하는 식물은 화초, 구릿대, 향수란, 바질, 창포가 있고, 악인을 상징하는 식물은 남가새, 조개풀, 야애, 우미호, 도꼬마리였다. 초사에 대한 고찰을 통해 전국시대에 주로 사용된 식물 소재와 각 식물의 활용 및 향유 형태를 알 수 있었다. 또한 몇몇 식물은 현재에도 유사한 용도로 사용되고 있음을 확인하였다.

Remarkable Productselectivity in Photocycloaddition of Diarl Compounds and in Photosensitized Oxidation of Alkenes within Supramolecular System

  • Chen-Ho Tung;Li-Zhu Wu;Zhen-Yu Yuan;Jing-Qu Guan;Hong-Wei Wang;Li-Ping Zhang
    • Journal of Photoscience
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    • 제6권3호
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    • pp.85-90
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    • 1999
  • Supramolecular photochemistry is concerned with systems where non-covalent interactions become significant or dominate in determining the chemistry of guest/host systems. The photocycloaddition of diaryl compounds and the photosensitized oxidation of alkenes included in zeolites, low-density polyethylene films and Nafion membranes is the subject of this report.

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Phytoestrogen Intake and Risk of Ovarian Cancer: a Meta-Analysis of 10 Observational Studies

  • Qu, Xin-Lan;Fang, Yuan;Zhang, Ming;Zhang, Yuan-Zhen
    • Asian Pacific Journal of Cancer Prevention
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    • 제15권21호
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    • pp.9085-9091
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    • 2014
  • Background: Epidemiology studies have shown an inconclusive relationship between phytoestrogen intake and ovarian cancer risk and there have been no relevant meta-analyses directly regarding this topic. The purpose of the present meta-analysis was therefore to investigate any association between phytoestrogen intake and ovarian cancer in detail. Materials and Methods: We conducted a search of PubMed, EMBASE, EBSCO, the Cochrane Library, CNKI and Chinese Biomedical Database (up to April 2014) using common keywords for studies that focused on phytoestrogen and ovarian cancer risk. Study-specific risk estimates (RRs) were pooled using fixed effect or random-effect models. Results: Ten epidemiologic studies were finally included in the meta-analysis. The total results indicated higher phytoestrogen intake was associated with a reduced ovarian cancer risk (RR, 0.70; 95%CI: 0.56-0.87). The association was similar in sensitivity analysis. Meta regression analysis demonstrated sources and possibly types and regions as heterogeneous factors. Subgroup analysis of types, sources and regions showed that isoflavones (RR: 0.63; 95%CI: 0.46, 0.86), soy foods (RR: 0.51; 95%CI: 0.39, 0.68) and an Asian diet (RR: 0.48; 95%CI: 0.37, 0.63) intake could reduce the incidence of ovarian cancer. Conclusions: Our findings show possible protection by phytoestrogens against ovarian cancer. We emphasize specific phytoestrogens from soy foods, but not all could reduce the risk. The habit of plentiful phytoestrogen intake by Asians is worthy to recommendation. However, we still need additional larger well designed observational studies to fully characterize underlying associations.

New Non-uniformity Correction Approach for Infrared Focal Plane Arrays Imaging

  • Qu, Hui-Ming;Gong, Jing-Tan;Huang, Yuan;Chen, Qian
    • Journal of the Optical Society of Korea
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    • 제17권2호
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    • pp.213-218
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    • 2013
  • Although infrared focal plane array (IRFPA) detectors have been commonly used, non-uniformity correction (NUC) remains an important problem in the infrared imaging realm. Non-uniformity severely degrades image quality and affects radiometric accuracy in infrared imaging applications. Residual non-uniformity (RNU) significantly affects the detection range of infrared surveillance and reconnaissance systems. More effort should be exerted to improve IRFPA uniformity. A novel NUC method that considers the surrounding temperature variation compensation is proposed based on the binary nonlinear non-uniformity theory model. The implementing procedure is described in detail. This approach simultaneously corrects response nonlinearity and compensates for the influence of surrounding temperature shift. Both qualitative evaluation and quantitative test comparison are performed among several correction technologies. The experimental result shows that the residual non-uniformity, which is corrected by the proposed method, is steady at approximately 0.02 percentage points within the target temperature range of 283 K to 373 K. Real-time imaging shows that the proposed method improves image quality better than traditional techniques.

Fault Detection of a Proposed Three-Level Inverter Based on a Weighted Kernel Principal Component Analysis

  • Lin, Mao;Li, Ying-Hui;Qu, Liang;Wu, Chen;Yuan, Guo-Qiang
    • Journal of Power Electronics
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    • 제16권1호
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    • pp.182-189
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    • 2016
  • Fault detection is the research focus and priority in this study to ensure the high reliability of a proposed three-level inverter. Kernel principal component analysis (KPCA) has been widely used for feature extraction because of its simplicity. However, highlighting useful information that may be hidden under retained KPCs remains a problem. A weighted KPCA is proposed to overcome this shortcoming. Variable contribution plots are constructed to evaluate the importance of each KPC on the basis of sensitivity analysis theory. Then, different weighting values of KPCs are set to highlight the useful information. The weighted statistics are evaluated comprehensively by using the improved feature eigenvectors. The effectiveness of the proposed method is validated. The diagnosis results of the inverter indicate that the proposed method is superior to conventional KPCA.

Synthesis and Characterization of Bis-Thienyl-9,10-anthracenes Containing Electron Withdrawing 2-Cyanoacrylic Acid or 2-Methylenemalononitrile Group

  • Wang, Yuan;Yu, Qu Feng;Park, Hea-Jung;Ryu, Suk-Hwa;Choi, Jung-Hei;Yoon, Ung-Chan
    • Bulletin of the Korean Chemical Society
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    • 제32권spc8호
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    • pp.3081-3089
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    • 2011
  • A series of new bis-thienylanthracene derivatives D1~D5 containing 9,10-antharcene moiety in the center and 2-methylenemalonotitrile or 2-cyanoacrylic acid functional group on the terminal thiophenes were synthesized and characterized by $^1H$-NMR and high-resolution mass spectroscopy. Their optical, electrochemical, and thermal properties were measured. They have absorption ${\lambda}_{max}$ in the range of 437~480 nm and max of $7.4{\times}10^3{\sim}2.0{\times}10^4M^{-1}cm^{-1}$. The substitution of 2-cyanoacrylic acid group allows greater value of ${\varepsilon}_{max}$ than that of 2-methylenemalonotitrile. TGA curves showed that D4 and D5 which have 2-cyanoacrylic acid functional group on the terminal thiophene(s) exhibit good thermal stability and D4 was thermally stable up to $400^{\circ}C$. Their optical properties and LUMO energy levels measured suggest that they can serve as potential candidates for electron donor materials of organic photovoltaic cells (OPVs) or D4 and D5 which contain 2-cyanoacrylic acid group can be used as organic dyes of dye-sensitized solar cells (DSSCs).

수당(隋唐) 장안성(長安城)의 도성 형식과 수체계에 관한 연구 (A Study on the Capital City, Chang'an's(長安), Water System)

  • 박희성
    • 한국조경학회지
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    • 제39권5호
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    • pp.127-140
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    • 2011
  • 수당의 장안성이 전근대 동아시아 수도의 전범이 될 수 있었던 것은 왕도로서의 권위를 확보한 전통적 이데올로기가 공간에 이상적으로 체현되고 있기 때문이다. 본 연구에서는 장안성의 형성과 도성 형식에 자연환경요소가 어떻게 이용되었는지 살피고, 수로 조성에 대한 제반 고찰을 통해 장안성의 수체계가 도성의 위상 형성과 도시의 기능에 어떤 역할을 하였는지 알고자 하였다. 수당 양대(兩代)를 거치면서, 장안성 일대는 '거(渠)'라는 수리시설을 통한 정교한 수체계가 구축되었다. 이 수리시설은 원(原)과 하천이 발달한 주변 환경을 적절히 이용한 것으로, 주로 관개용수, 도시생활용수, 원림조성의 기반시설, 저류시설 등의 도시 시설로 세분화하여 계획되었다. 이들은 농업생산성을 향상시켜 장안성의 도시 경쟁력에 일조하였을 뿐만 아니라, 도시기반시설로서의 역할을 수행하여 편리하고 윤택한 삶의 질을 보장하였다. 또, 쾌적하고 아름다운 도시경관이 유지될 수 있게 하였다. 그리고 수체계의 이러한 도시적 효과는 곧 도성의 위상 제고로 이어졌다. 장안성은 합리적이고 실용적인 수체계 구축을 통해 도시적 기능을 최적으로 수행하였을 뿐만 아니라, 이를 통해 수도로서의 위상을 직접적으로 획득하고 있었다는 점에서 평가받을 만하다.