• 제목/요약/키워드: Cyber world

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Epidemiological Trends of Histopathologically WHO Classified CNS Tumors in Developing Countries: Systematic Review

  • Khan, Ishaq;Bangash, Mohammed;Baeesa, Saleh;Jamal, Awatif;Carracedo, Angel;Alghamdi, Fahad;Qashqari, Hanadi;Abuzenadah, Adel;AlQahtani, Mohammed;Damanhouri, Ghazi;Chaudhary, Adeel;Hussein, Deema
    • Asian Pacific Journal of Cancer Prevention
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    • 제16권1호
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    • pp.205-216
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    • 2015
  • Background: Many developing countries are lagging behind in reporting epidemiological data for individual central nervous system (CNS) tumors. This paper aimed to elicit patterns for the epidemiology of individual World Health Organization (WHO) classified CNS tumors in countries registered by WHO as "developing". Materials and Methods: Cyber search was carried out through 66 cancer networks/registries and 181 PubMed published papers that reported counts of CNS tumors for the period of 2009-2012. The relationship between the natural log of incidence Age Standardized Rate (ASR) reported by Globocan and Latitude/ Longitude was investigated. Results: Registries for 21 countries displayed information related to CNS tumors. In contrast tends for classified CNS tumor cases were identified for 38 countries via 181 PubMed publications. Extracted data showed a majority of unclassified reported cases [PubMed (38 countries, 45.7%), registries (21 countries, 96.1%)]. For classified tumors, astrocytic tumors were the most frequently reported type [PubMed (38 countries, 1,245 cases, 15.7%), registries (21 countries, 627 cases, 1.99%]. A significant linear regression relationship emerged between latitudes and reported cases of CNS tumors. Conclusions: Previously unreported trends of frequencies for individually classified CNS tumors were elucidated and a possible link of CNS tumors occurrence with geographical location emerged.

모바일 기반의 표현 애니메이션 컨텐츠의 설계 및 구현 (Design and Implementation for Presentation Animation Contents Based on the Mobile)

  • 홍성수;김우성
    • 한국멀티미디어학회논문지
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    • 제7권7호
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    • pp.956-966
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    • 2004
  • 한국의 애니메이션은 디지털 영상시대에 국가 전략 산업이란 이름 아래 명칭과 개념의 통일된 코드도 없이 지난 수년 동안 세계 최고 수준의 인프라가 형성되었다. 비교육적이고 경박한 문화에서 각광 받는 돈벌이로 현대의 시대성과 가장 밀착된 표현 형식으로 새롭게 평가 받고 있는 것이 디지털 애니메이션이다. 지난 30년 동안 대중 영상 매체에서 접한 애니메이션은 거의 전부 만화 영화였다. 결코, 예술로서 존중하지 않지만 늘 가까이 두고 기호품과 같은 만화 영화는 예술성과 문화성과는 별개로 자연스럽게 두터운 매니아 계층을 확보했다. 본 논문은 교육을 목적으로 하는 모바일 컨텐츠를 위한 애니메이션 알고리즘을 제안하고 이것을 이용하여, 가상 패류 박물관, 가상 화석 박물관을 설계 및 구현 하였고 1000여 가지의 동작표현 컨텐츠를 구축하였다. 사용자들은 상호 작용에 의해서 애니메이션 객체를 360도 회전시키거나 축소, 확대 등이 가능하다.

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여대생의 식습관과 영양소 섭취상태가 피부상태에 미치는 영향 (Effects of Dietary Habits and Nutrient Intakes on Skin Condition of Female University Students)

  • 조현주;최미자
    • Journal of Nutrition and Health
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    • 제43권3호
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    • pp.233-245
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    • 2010
  • The purpose of this study was to investigate the effects of dietary habits and nutrient intakes on skin condition of female university students. The subjects were 95 female university students in Daegu. This study examined anthropometric measurements, dietary intake, food intake habits and skin condition (moisture, elasticity, sebum (U-zone, T-zone), pores, evenness and melanin pigmentation. The subjects in this study had an average age of 21.4, an average height and weight of 161.2 cm and 52.9 kg, respectively, and the average body mass index (BMI) was 20.3 $kg/m^2$. The means of skin elasticity, pores, evenness, and melanin pigmentation were within the normal range of women in their 20s and the skin moisture state was slightly lower than the normal range, which showed a dry tendency. The sebum in the U-zone and the T-zone was lower than the standard values, which showed less secretion in both areas. The subjects with high nut intake showed a better skin pore state (p < 0.05). Those with a high intake of instant foods showed a sig-nificantly low skin moisture and a significantly higher sebum rate (p < 0.05). The group with high skin elasticity and the group with less melanin pigmentation showed a significantly low animal protein intake (p < 0.05). The group with high skin elasticity also showed a significantly higher vitamin A and niacin intakes as well (p < 0.05). The group with high skin evenness showed a significantly lower animal lipid intake and a significantly higher vitamin E intake (p < 0.05). In addition, those with high skin elasticity and evenness as well as low melanin pigmentation showed a tendency of high intake of antioxidant vitamins, such as vitamin A, carotene, vitamin C or vitamin E. In summary, a moderate intake of plant-based products and also the antioxidant vitamins within such products seems to have a beneficial effect on maintaining a healthy and good skin condition.

웹 기반 3차원 의료모델 시각화 시스템 (Web based 3-D Medical Image Visualization System on the PC)

  • 김남국;이동혁;김종효;강흥식;민병구;김영호
    • 대한의용생체공학회:학술대회논문집
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    • 대한의용생체공학회 1997년도 추계학술대회
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    • pp.201-205
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    • 1997
  • With the recent advance of Web and its associated technologies, information sharing on distribute computing environments has gained a great amount of attention from many researchers in many application areas, such as medicine, engineering, and business. One basic requirement of distributed medical consultation systems is that geographically dispersed, disparate participants are allowed to exchange information readily with each other. Such software also needs to be supported on a broad range of computer platforms to increase the software's accessibility. In this paper, the development of world-wide-web based medical consultation system or radiology imaging is addressed to provide the platform independence and great accessibility. The system supports sharing of 3-dimensional objects. We use VRML (Virtual Reality Modeling Language), which is the de-facto standard in 3-D modeling on the Web. 3-D objects are reconstructed from CT or MRI volume data using a VRML format, which can be viewed and manipulated easily in Web-browsers with a VRML plug-in. A Marching cubes method is used in the transformation of scanned volume data set to polygonal surfaces of VRML. A decimation algorithm is adopted to reduce the number of meshes in the resulting VRML file. 3-D volume data are often very large-sized, and hence loading the data on PC level computers requires a significant reduction of the size of the data, while minimizing the loss of the original shape information. This is also important to decrease network delays. A prototype system has been implemented (http://netopia.snu.ac.kr/-cyber/). and several sessions of experiments are carried out.

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포스트모더니즘의 영향에 따라 나타난 현대 산업디자인의 제 경향 (Trends of the Industrial Design Influenced by Post Modernism)

  • 문금희
    • 디자인학연구
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    • 제15권1호
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    • pp.257-266
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    • 2002
  • 현대사회는 고도로 단원화하고 광범위하게 조직된 사회구조로 되어가고 있다. 후기 산업사회인 현대의 문화적 측면은 포스트모더니즘으로 이러한 경향이 전 학문영역에 보여지고 있다. 따라서 포스트모더니즘은 20세기 후반을 지배하는 일종의 시대정신이 되고 있다. 포스트모더니즘은 모더니즘에 대한 반발로 제2차 세계대전이후 서구 세계에 나타나기 시작한 다양한 예술적, 지적, 사상적 경향을 막연히 지칭하는 표현이다. 포스트모던 사회인 현대는 탈분화와 탈조직화, 사회구조의 이완, 해체 등의 특징을 나타낸다. 포스트모더니즘의 발생배경, 특징 및 철학을 연구함으로 포스트모더니즘의 이론적 배경을 파악하였다. 그러한 포스트모더니즘의 영향이 산업디자인의 영역에서 어떠한 경향을 보이고 있는지 미니멀리즘, 레트로디자인, 키치적디자인, 해체주의디자인, 신소재사용디자인 및 사이버디자인에 관해 연구하였다.

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4차 산업혁명 시대 기계공학 분야 엔지니어에게 필요한 역량과 교육에 관한 델파이 연구 (A Delphi Study on Competencies of Mechanical Engineer and Education in the era of the Fourth Industrial Revolution)

  • 강소연;조형희
    • 공학교육연구
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    • 제23권3호
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    • pp.49-58
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    • 2020
  • In the era of the fourth industrial revolution, the world is undergoing rapid social change. The purpose of this study is to predict the expected changes and necessary competencies and desired curriculum and teaching methods in the field of mechanical engineering in the near future. The research method was a Delphi study. It was conducted three times with 20 mechanical engineering experts. The results of the study are as follows: In the field of mechanical engineering, it will be increased the situational awareness by the use of measurement sensors, development of computer applications, flexibility and optimization by user's needs and mechanical equipment, and demand for robots equipped with AI. The mechanical engineer's career perspectives will be positive, but if it is stable, it will be a crisis. Therefore active response is needed. The competencies required in the field of mechanical engineering include collaborative skills, complex problem solving skills, self-directed learning skills, problem finding skills, creativity, communication skills, convergent thinking skills, and system engineering skills. The undergraduate curriculum to achieve above competencies includes four major dynamics, basic science, programming coding education, convergence education, data processing education, and cyber physical system education. Preferred mechanical engineering teaching methods include project-based learning, hands-on education, problem-based learning, team-based collaborative learning, experiment-based education, and software-assisted education. The mechanical engineering community and the government should be concerned about the education for mechanical engineers with the necessary competencies in the era of the 4th Industrial Revolution, which will make global competitiveness in the mechanical engineering fields.

아파트 단지 내 사이버 공동체 활성화 방안 연구 I - 사이버 공동체 실태와 콘텐츠의 유형화 - (The Revitalization Schemes for Virtual Communities in Apartment Complexes - The Status and Classification of the Virtual Communities -)

  • 강순주;이영애
    • 한국주거학회논문집
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    • 제19권1호
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    • pp.57-66
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    • 2008
  • In the past, strong social bands, which had spontaneous communities, existed in Korean traditional society. However, while it's developing through industrialization; monolithic apartment houses were introduced which causes less interaction between neighbors. With the growing attention to the higher living quality, various schemes to revitalize the community spirits have been groped, including to improve in hardhearted neighborhood relationships and to cope with the dreariness in the city. With the development of the internet and the spread of 'digital home', the communities in cyber space have been especially revitalized since the information-oriented society. In a move to strengthen the communities in apartment complexes, this study tries to find the revitalization scheme for virtual communities in apartment complexes by analyzing the contents of its web sites and understanding the world of virtual community. These are compared and analyzed. The related virtual communities ("cafe" or "blogs") are also analyzed. The results are as follows. 1) There are some differences among the contents provided by apartment virtual community developing companies, still, it could be categorized into four types; "apartment complex introduction and management information" "community revitalization" "living guide" "individual services" 2) The contents provided by self-organized communities of residents neither require additional charge nor special membership for information while the formation is not systematized. 3) In the comparison of apartment virtual community developing companies with residents self-organized communities, "apartment complex introduction and management information" on freeboard, notice, request and Q&A, and "community revitalization" on communication board are both provided throughout the web sites. 4) The contents provided by apartment virtual community developing companies makes the information available in a wide range with managers, on the other hand, self-organized communities emphasize on showing attachment and concern of residents and requiring communications between neighborhoods.

현대패션에 나타난 누디즘 스타일에 관한 연구 (A Study on the Nudism Style Expressed in Modern Fashion)

  • 박태용
    • 복식
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    • 제56권9호
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    • pp.157-175
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    • 2006
  • The purposes of this study are to establish a theoretical concept of nudism from sociocultural context, to examine its formative characteristics, to analyze the cultural meaning of nudism style showing in the 2000's fashion world, and to analyze and examine its aesthetic qualities. The way of a study was based on analysis and review on philosophy, aesthetics, sociology, popular culture and various documents at home and abroad and previous study and research materials about art and clothes for theoretical study. Also, we carried out a case study by analyzing photo data from fashion books, magazines and internet websites, considering the body and dress as visual objects. The summary and conclusions of this study are as follows: 1. Nudism of the sociocultural context was divided into change of understanding of the body and liberation of the body; naturalism; resistant culture; psychoanalysis context. 2. The formative characteristics of nudism style in fashion are classified in Exposure, Transparency and Body Conscious. 3. The cultural meaning of nudism style expressed in the 2000's fashion are sexual opening, surfeit of mass media, pursuit of naturalism, lookism, and individualism. 4. Nudism style expressed in 2000's fashion is drawn as three aesthetic qualities: Eroticism, Primitivism and Futurism. First, Eroticism of nudism style fashion which seeks for sexual stimulus is classified in Sensualism, Provocation and Innocence. Second, Primitivism of nudism style fashion which tends towards naturalism objecting to mechanic and digital civilization and hoping for return to the origin is classified in Primitivism, Naturalism and Sensualism as per aesthetics qualities. Futurism which is the nudism style presenting futuristic expression through using a new material is analyzed as High Technology, Cyber Sexism and functional Future.

동맥혈관 평활근세포 증식에 대한 오보바톨 유도체(A-8)의 억제효과 (Inhibitory Effects of A-8 on Abnormal Rat Aortic Vascular Smooth Muscle Cell Proliferation)

  • 임용;이미애;투데브멍흐;박은석;정재경;윤여표
    • 약학회지
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    • 제55권2호
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    • pp.116-120
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    • 2011
  • Abnormal proliferation of vascular smooth muscle cells (VSMCs) plays an important role in the development and progression of proliferative cardiovascular diseases, including hypertension and atherosclerosis. To find antiproliferative agent (A)-8 had inhibitory effect on VSMCs proliferation. Therefore, we examined the antiproliferative effect of A-8, a newly synthesized obovatol derivative. To investigate the antiproliferative effect of A-8, we examined cell counting and [$^3H$]-thymidine incorporation assays. The pre-incubation of A-8 (1~4 ${\mu}M$) significantly inhibited proliferation and DNA synthesis of 5% fetal bovine serum (FBS)-stimulated rat aortic VSMCs in concentration-dependent manner. Whereas, A-8 did not show any cytotoxicity in rat aortic VSMCs in this experimental condition by WST-1 assay. In addition, A-8 significantly inhibited 5% FBS-induced cell cycle progression in rat aortic VSMCs. These results show that A-8 may be developed as a potential antiproliferative agent for treatment of angioplasty restenosis and atherosclerosis. Furthermore, A-8 should be examined for further clinical application either as a single agent or in combination with other angioplasty restenosis or atherosclerosis agents.

가상현실에서 물리적 현상들과 공간관계들의 표현 (Representation of Physical Phenomena and Spatial Relations in the Virtual Reality)

  • 박종희;김태균
    • 한국콘텐츠학회논문지
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    • 제12권6호
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    • pp.21-31
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    • 2012
  • 가상현실은 현실처럼 구성된 가상공간과 그 속에서 살아가는 에이전트들로 구성되어 있다. 여기서 가상공간이란 시각적 표현뿐만 아니라 질량, 중력, 마찰력등과 같은 물리속성들과 법칙들에 의해 규율되는 질서 있는 공간을 의미한다. 이러한 가상공간을 구축하기 위해서는 인간과 유사한 행동을 하는 가상 에이전트와 그를 둘러싼 환경을 설계해야 한다. 정해진 공간이나 기억에 대하여 설계자의 지식에 따라서 그대로 반응하게 만들어진 기존의 반응형 에이전트의 행동방식을 개선하여 능동적 행동이 가능하기 위해서는 에이전트의 활동 공간에 관련된 다양한 지식이 필요하다. 본 연구에서는 이러한 지식중에서 공간적 지식에 관한 표현구조를 설계하고 구현한다. 이와 같은 지식표현은 사실적이고 효율적인 물리적 가상환경을 구축하는 바탕으로 사용됨과 동시에 가상에이전트들의 지식을 표현하는 구조로 이용된다.