• 제목/요약/키워드: Dark Data Analysis

검색결과 180건 처리시간 0.027초

인공광의 광원에 따른 실내 지피식물의 생육반응 (A Growth Responses of Indoor Ground Cover Plants according to a Light Source of Aritificial Light)

  • 방광자;박혜경;최경옥
    • 한국조경학회지
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    • 제27권5호
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    • pp.114-119
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    • 2000
  • This study was carried out to obtain fundamental information of growth response of ground cover plants under artificial light quality at indoor. Aglaonema 'Silver Queen', Hedera helix L., Hoya carnosa 'Tricolor' and Saintpaulia ionantha 'Frances' were examined under a 400lux light intensity consisted of Mercury lamp, True-lite lamp, incandescent lamp, dark-room and sunlight indoor condition. A data analysis were performed by GLM, Duncan's multiple range test and mean score with SAS program. Results of experiments are as follows; 1. A plant growth status was better showed under the True-lite lamp than sunlight. 2. A Saintpaulia ionantha flower color was responded in the first place, the deep pinkish red color of Saintpaulia ionantha flower was obtained under Mercury lamp and "True-lite lamp", "sunlight", and incandescent lamp were follow. Flower numbers of Saintpaulia ionantha after 60 days tended to decrease under every artificial light quality. 3. Leaf length and leaf width were increased under True-lite lamp, but most of plants was not significantly affected by artificial light quality. 4. A stem length of Hedera helix was increased the highest rank under sunlight also, one of artificial light, the highest increase rank was showed under incandescent lamp. 5. Chlorophyll content was highly increased under Mercury lamp, but was responded poor under incandescent lamp.

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DEA 기반 온라인 게임 성과 관리 포트폴리오 모형 (A DEA-Based Portfolio Model for Performance Management of Online Games)

  • 전훈;이학연
    • 대한산업공학회지
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    • 제39권4호
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    • pp.260-270
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    • 2013
  • This paper proposes a strategic portfolio model for managing performance of online games. The portfolio matrix is composed of two dimensions: financial performance and non-financial performance. Financial performance is measured by the conventional measure, average revenue per user (ARPU). In terms of non-financial performance, five non-financial key performance indicators (KPIs) that have been widely used in the online game industry are utilized: RU (Register User), VU (Visiting User), TS (Time Spent), ACU (Average Current User), MCU (Maximum Current User). Data envelopment analysis (DEA) is then employed to produce a single performance measure aggregating the five KPIs. DEA is a linear programming model for measuring the relative efficiency of decision making unit (DMUs) with multiple inputs and outputs. This study employs DEA as a tool for multiple criteria decision making (MCDM), in particular, the pure output model without inputs. Combining the two types of performance produces the online game portfolio matrix with four quadrants: Dark Horse, Stop Loss, Jack Pot, Luxury Goods. A case study of 39 online games provided by company 'N' is provided. The proposed portfolio model is expected to be fruitfully used for strategic decision making of online game companies.

Detection of Intrinsic Spin Alignments in Isolated Spiral Pairs

  • Koo, Hanwool;Lee, Jounghun
    • 천문학회보
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    • 제44권1호
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    • pp.79.3-79.3
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    • 2019
  • Observational evidence for intrinsic galaxy alignments in isolated spiral pairs is presented. From the catalog of the galaxy groups identified by Tempel et al. in the flux-limited galaxy sample of the Sloan Digital Sky Survey Data Release 10, we select those groups consisting only of two spiral galaxies as isolated spiral pairs and investigate if and how strongly the spin axes of their two spiral members are aligned with each other. We detect a clear signal of intrinsic spin alignment in isolated spiral pairs, which leads to the rejection of the null hypothesis at the 99.9999% confidence level via the Rayleigh test. It is also found that those isolated pairs comprising two early-type spiral galaxies exhibit the strongest signal of intrinsic spin alignment and that the strength of the alignment signal depends on the angular separation distance as well as on the luminosity ratio of the member galaxies. Using the dark matter halos consisting of only two subhalos resolved in the EAGLE hydrodynamic simulations, we repeat the same analysis but fail to find any alignment tendency between the spin angular momentum vectors of the stellar components of the subhalos, which is in tension with the observational result. Several possible sources of this apparent inconsistency between the observational and the numerical results are discussed.

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Detection of Intrinsic Spin Alignments in Isolated Spiral Pairs

  • Koo, Hanwool;Lee, Jounghun
    • 천문학회보
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    • 제44권1호
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    • pp.35.2-35.2
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    • 2019
  • Observational evidence for intrinsic galaxy alignments in isolated spiral pairs is presented. From the catalog of the galaxy groups identified by Tempel et al. in the flux-limited galaxy sample of the Sloan Digital Sky Survey Data Release 10, we select those groups consisting only of two spiral galaxies as isolated spiral pairs and investigate if and how strongly the spin axes of their two spiral members are aligned with each other. We detect a clear signal of intrinsic spin alignment in isolated spiral pairs, which leads to the rejection of the null hypothesis at the 99.9999% confidence level via the Rayleigh test. It is also found that those isolated pairs comprising two early-type spiral galaxies exhibit the strongest signal of intrinsic spin alignment and that the strength of the alignment signal depends on the angular separation distance as well as on the luminosity ratio of the member galaxies. Using the dark matter halos consisting of only two subhalos resolved in the EAGLE hydrodynamic simulations, we repeat the same analysis but fail to find any alignment tendency between the spin angular momentum vectors of the stellar components of the subhalos, which is in tension with the observational result. Several possible sources of this apparent inconsistency between the observational and the numerical results are discussed.

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해외 남성 프리미엄 아우터 브랜드의 색채 특성 (Color Characteristics of Foreign Men's Premium Outer Brand)

  • 홍윤정
    • 패션비즈니스
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    • 제26권2호
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    • pp.48-66
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    • 2022
  • This study aimed to investigate and analyze the overall color utilization characteristics as design elements of advanced men's premium outer brands. From the analysis of a total of 889 color samples, PB showed the highest distribution in color, Bk, R, and P. The use of ltg and p of high and low chroma was high, centering on dkg of low value and low chroma, and g of medium chroma. The men's premium outer brand displays a luxurious color image centered on color planning due to color contrast between dark and grayish shades. The characteristics of colors and color distribution by brand were considered. The brands that utilized the most diverse colors and shades were Herno, which pursues sportswear of the Elegance image, and Stone Island, which pursues casual images of workwear style. These results show that systematic planning using colors and shades are utilized by all premium outer brand concept. The results of this study are meaningful because they can be used as basic data for effective product planning, men's outer design development, and color planning of outer clothing brands are they represent premium outer brands for men, and identifies color characteristics as differentiated design elements.

강원도 지역 구름버섯균의 rDNA의 ITS 부위 염기서열 분석 (Analysis of rDNA ITS Region from Trametes spp. in Kangwon Province, Korea)

  • 이미정;전상철;황일기;최한구;김규중
    • 한국균학회지
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    • 제33권1호
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    • pp.1-10
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    • 2005
  • 본 연구는 강원도 지역에서 채집한, 구름버섯균으로 예상되는 19종의 실험균주의 외부형태와 내부구조의 특징을 파악하여 동정하고, 구름버섯균(Trametes versicolor)의 형태적 특징과 rDNA상의 ITS염기서열간의 상관관계 유무를 확인하기 위하여 Trametes versicolor와 동일 속(Genus)에 속하며 계통학적 유연관계가 가까운 Trametes villosa KCTC06866, Trametes suaveolens KCTC 26205, Trametes hirusta KCTC26200, Trametes versicolor KCTC16781 및 KCTC26203의 4종-5균주와 함께 rDNA의 Internal Transcribed Spacers(ITS1 과 ITS2)영역의 염기서열을 비교 분석하였다. 분석결과, 채집된 실험균주는 Trametes versicolor KCTC16781 및 KCTC26203과의 염기차이가 $0{\sim}6$개로 매우 유사한 근연한 양상을 나타내었고 계통도를 분석한 결과, 구름버섯으로 예상된 실험균주들과 Trametes versicolor 종들이 단계통군을 이루어 실험균주는 모두 동일종으로 확인되었으며, Trametes hirusta KCTC26200, Trametes suaveolens KCTC26205 그리고 Trametes villosa KCTC06866는 측계통을 이루었다. 채집된 19종의 균주는 외형상 다양한 채색과 무늬를 갖고 있으나 ITS1과 ITS2 영역의 염기서열을 분석한 계통수에서는 Trametes versicolor간의 색깔이나 무늬는 ITS1 및 ITS2의 염기서열과는 직접적인 유연관계가 없었다.

디자인요소와 감성언어 추출을 통한 디지털 카메라의 선호도와 구매도에 영향을 미치는 요소에 관한 연구 (Extraction of design elements and sensibility factors influencing on preference and purchase for digital cameras)

  • 권종대;홍정표
    • 감성과학
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    • 제11권2호
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    • pp.285-292
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    • 2008
  • 본 연구에서는 특정 목적을 가진 디지털 카메라 제품들의 특성들을 파악하여 디자인 개발시 소비자 니즈를 분석하고 제품을 이해하는 기초 자료의 확보이며, 디자이너가 제품을 보다 쉽게 이해하고 디자인 개발 시 컨셉 설정에 도움이 되고자함이다. 본 연구를 위하여 2000년부터 현재까지 출시된 제품을 수집하여 동질성 분석을 실시하여 대표제품을 선정하여 제품에서 느껴지는 형용사와 선호도를 설문을 통해 추출하였다. 설문을 토대로 종속변수와 선호도에 대한 회기분석과 종속변수와 구매도에 대한 회기 분석을 통해 어떠한 요소들이 소비자가 선호하는 이미지인지를 기초 설문과 실험 대상 이미지 분석을 실시하였다. 실험 결과 디지털 카메라를 디자인 할 때에는 편리한, 감각적인, 기능적인, 품위 있는 의 요소를 고려하여야 한다. 또한 전체적인 형태에서는 그립을 강조한 형태와 그립이 있고 액정이 크고 칼라는 어둡고 매뉴얼 버튼이 있는 디지털 카메라를 선호하는 것으로 분석되었다.

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네트워크 약리학적 분석에 의한 소세포폐암에 대한 청대의 항암기전 연구 (Identifying the Anti-Cancer Effect of Indigo Naturalis in Small Cell Lung Cancer Based on Network Pharmacological Analysis)

  • 김영훈;정우진;정광희;김윤숙;안원근
    • 동의생리병리학회지
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    • 제36권6호
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    • pp.229-234
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    • 2022
  • Lung cancer is the leading cause of cancer-related deaths worldwide. Indigo Naturalis (IN) is a dark blue powder obtained by processing leaves or stems of indigo plants, its anticancer effects have been reported in several studies. However, the pharmacological mechanism of IN in small cell lung cancer (SCLC) is not elucidated. In this study, to investigate the anticancer efficacy of IN for SCLC, we presented potential active ingredients, SCLC-related targets, and pharmacological mechanisms of IN that are expected to have anticancer activity for SCLC using a network pharmacological analysis. The phytochemical compounds of IN have been collected through TCMSP, SymMap, or HPLC documents. The active ingredients of IN such as indirubin, indican, isatin, and tryptanthrin were selected through ADME parameters or literature investigations for each compound. Using the Compounds, Disease-Target associations Databases, 124 common targets of IN and SCLC were obtained. Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) Pathway enrichment analysis was carried out. GO biological processes are associated with response to xenobiotic stimulus, positive regulation of protein phosphorylation, regulation of mitotic cell cycle, and regulation of apoptotic signaling pathway. KEGG disease pathways included Gastric cancer, Bladder cancer, SCLC, and Melanoma. The main anticancer targets of the IN for SCLC were analyzed in 14 targets, including BCL2, MYC, and TP53. In conclusion, the results of this study based on the network pharmacology of IN can provide important data for the effective prevention and treatment of SCLC.

다목적실용위성 3호 Overlap 영역의 특성분석 (Characterizing Overlap Area of KOMPSAT-3)

  • 서두천;김희섭
    • 항공우주기술
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    • 제10권2호
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    • pp.154-162
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    • 2011
  • 다목적실용위성 3호는 고해상도 0.7m 흑백영상을 촬영할 수 있는 PAN 카메라와 2.8m 다중파장대의 칼라 영상을 수집할 수 있는 멀티스펙터럴 카메라를 탑재하고 있다. 이를 통하여 취득한 위성영상은 국토관리, 농업, 환경, 해양감시 및 GIS등의 광범위한 분야에 활용될 예정이다. 다목적실용위성3호의 15km의 관측폭을 가지는 영상을 생성하기 위해, 각 detector의 양 끝단의 20 pixel을 제외하고 24,020 픽셀로 구성된다. 이러한 크기의 CCD를 하나의 CCD로 구성하는 것은 매우 어렵기 때문에 다목적실용위성 3호는 12,080 픽셀로 구성된 두 detector로 구성되며, 따라서 두 detector의 기하학적 특성이 각기 다른 특징을 가지게 된다. 본 연구에서는 다목적실용위성3호의 한 밴드내의 기하학적 특성을 분석하기 위한 시뮬레이션 영상의 생성과정을 서술하고자 한다.

20대 여성 상의의 착용 색채 변화에 대한 비교 분석 -1998년과 2004년을 대상으로- (A Study on Change of Color Preference of Young Women's Wear - Comparison between 1998 and 2004-)

  • 조정미
    • 한국의류학회지
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    • 제29권5호
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    • pp.680-691
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    • 2005
  • The purpose of this study was to investigate the change of color preference of young women living in Seoul, to provide materials which is useful for setting up the color plan for a better costume, and to suggest new information in the apparel study. This study was done on the basis of color preference only by regional characteristics and the range of this study restricted on young women' clothes. The subjects were 1,100 in 1998, 1,393 young women in 2004. They were photographed in the street. The data were analyzed by frequency, percentage and $\chi^2-test$. The results of this study was as follows; The preference of chromatic color and achromatic color, hue and tone, pattern of textiles are different mainly by regional characteristics. 1) In 1998, young women prefered achromatic colors to chromatic colors. and the most preferred achromatic color was black, especially women of YOUNGDUOPO area prefer black. But, in 2004, young women preferred chromatic colors to achromatic colors and the most preferred achromatic color was white in the all areas. 2) Analysis of hue shows that in 1998, blue is most preferred color in the all areas by young women. But, in 2004, the most preferred color was different depending on the areas 3) Analysis of tone shows that in 1998, vivid, pale, dark tones are commonly preferred by young women. However, APGUJUNG area have specially inclination, they prefer vivid, pale and light tone. In 2004 year, pale, vivid and bright tones are most preferred tones in the all areas. 4) Analysis of pattern of textiles shows that, pattern textiles were preferred by young women of APGUJUNGDONG area in 1998 and YOUNGDUOPO area in 2004. The most preferred. pattern for young women in all area was a stripe pattern.