웹 데이터베이스 기반 홈페이지 저작 시스템

성승규,이명원 수원대학교 자연과학연구소 2001 자연과학논문집 Vol.4 No.-

본 논문에서는 웹 프로그래밍 기술이 없이도 일반 사용자가 웹 데이터베이스 구축과 함께 멀티미디어 홈페이지를 작성하도록 해주는 시스템 개발을 기술한다. 본 시스템은 페이지 에디터, 웹 데이터베이스를 자동 구축해주는 데이터베이스 마법사와, 웹 데이터베이스의 생성 및 수정을 지원하는 데이터베이스 관리자로 구성되어 있다. 데이터베이스 마법사는 홈페이지 템플릿과 연동되는 데이터베이스를 자동적으로 구축하는 기능을 갖는다. 페이지 에디터는 DHTML(Dynamic Hypertext Markup Language) 컴포넌트를 기반으로 구현되었으며 멀티미디어 홈페이지를 대화형으로 쉽게 지작할 수 있게 한다. 데이터베이스 관리자는 웹 데이터베이스를 생성, 수정 및 유지보수하는 기능을 제공한다. 본 시스템은 웹 데이터베이스 프로그래밍 기술이 없이도 웹 데이터베이스와 연동되는 홈페이지 작성을 쉽게 구축하도록 하는 특징을 갖는다. In this paper, we present the development of a system that helps end-users to generate home pages with the construction of their corresponding web databases without the web programming technique. It consists of a page editor, a database wizard and a database manager. The page editor creates and modifies multimedia home pages. The database wizard generates databases operated with home pages automatically, and the database manager maintains the database related to the home pages. The page editor has been made based on the DHTML(Dynamic Hypertext Markup Language) and lets users generate multimedia home pages interactively. The database manager creates, updates and manages web databases. The system has the advantage which end-users can create multimedia home pages containing databases without requiring web database programming.

데이타베이스 시스템을 이용한 웹 자원 관리 엔진의 설계 및 구현

이명석,김진호,김상욱,유한양 강원대학교 정보통신연구소 1999 정보통신논문지 Vol.3 No.-

In this paper, we propose a web resource management engine based on general DBMSs. The web resources management engine manages the meta information describing the characteristics of resourves in a target web site. The engine extracts the meta information from HTML documents in the site and stores it into a predefined database called virtual schema. We use a general-purpose DBMS for maintaining the virtual schema. For design of the virtual schema, we model each element of HTML documents as a DBMS relation, and each attribute of an element as an attribute of its corresponding DBMS relation. We also model the link information among HTML documents as another relation. In order to merge the web and database having the virtual schema, we employ some additional tags in HTML documents, which were originally proposed in the INFORMIX WebDataBlade. Our web resource management engine has the following good features: (1) it supports dynamic changes of the web resources in a site by issuing update queries on the virtual schema, (2) it provides such searches that are based on structural characteristics of HTML documents since the virtual schema keeps the necessary information, (3) it provides the standard SQL interface for users to simply search and update the web resources, and finally, (4) it is portable to any DBMSs by just extending the gateway between the web and database since it only uses the common facilities supported by general-purpose DBMSs.

밀폐계 측정장치를 이용한 물-노말프로판올 계의 인화점

하동명,최용찬,이성진 한국산업안전학회 2002 한국안전학회지 Vol.17 No.4

The Flash Point is one of the most important combustible properties used to determine the potential for fire and explosion hazards of chemical materials. An accurate knowledge of the flash point is important in developing appropriated preventive and control measures in industrial fire protection. The lower flash points for the Water + n-Propanol systems were measured by using Pensky-Martens closed cup tester. The experimental data were compared with the values calculated by the laws of Raoult and van Laar equation. The calculated values based on the van Laar equation were found to be better than those based on the Raoult's law.

Tag식 개방계 장치를 이용한 알콜류의 인화점 및 연소점 측정

하동명,이성진,송영호 한국안전학회 2004 한국안전학회지 Vol.19 No.4

The flash point is one of the most important combustible properties used to determine the potential for the fire and explosion hazards of industrial material and the fire point is the temperature of the flammable liquid at which there will be flaming combustion, sustained 5 seconds in response to the pilot flame. In this study, the flash point and fire point were measured to present raw data of the flammable risk assessment for alcohols, using Tag open-cup apparatus(ASTM D 1310-86). The measured values were compared with the calculated values based on 0.78 times stoichiometric concentration. The values calculated by the proposed equations were in good agreement with the measured values.

Allylisothiocyanate 첨가가 Aflatoxin 생성 곰팡이 대사산물의 생합성에 미치는 영향

강성조,여명재,이은일,송재영,정덕화 동아시아식생활학회 1996 동아시아식생활학회지 Vol.6 No.1

The effects of allylisothiocyanate on the biosynthesis of various fungus metabolites such as sterigrnatocystin, lipid, protein, citrate RNA and AMP from the culture of Aspergillius parasiticus R-716 were investigated. The content of sterigmatocystin, the precursor of aflatoxin, was lower in the culture added with 50ppm allylisothiocyanate after 48 hours, however was rather higher after 144 hours compared to that of the control. The addition of allylisothiocyanate resulted in the increase of lipid, protein, RNA in mycelium and the content of citrate in the media, but the amount of AMP was low.

SM20C 旋削時 加工條件 變化에 따른 칩 形狀에 관한 硏究

정태상,황광성,김명규,김길진,박영태 진주산업대학교 산업과학기술연구소 2007 산업과학기술연구소보 Vol.- No.14

This study was to look for cutting conditions which are safe, comfortable and contributable to the increase in productivity at the time in turning. The shape of chips while turning have a strong effect on cutting processing. If chips fail to be well controlled, systematic cutting is not possible by revolution of chips entangled with workpiece or damage of tool edges, and this causes problems threatening the safety of the operator. This study is designed to identify conditions which chips effectively controlled and able to treat properly, and the results are as follows: 1. Feed rate, which determined the shape of chips, was found to have a stronger impact on the shape of resulting chips than any other cutting condition. 2. When feed rate was 0.25mm or over, controlled chips(coil spring type) were produced under whatever cutting conditions. 3. When feed rate was 0.25mm or over and depth of cut was 1.0mm, well-controlled shorter coil type chips were produced at every spindle speed, which implied they were the most suitable cutting conditions. 4. Feed rate 0.2mm was found to be an unstable section where coil spring and linear mixed type chips were produced together, and as feed rate decreased, more linear chips beyond control were produced. 5. At the same spindle speed, as the diameter of the material became bigger, controlled chips were produced only when the depth of cut was reduced, and vice versa under feed rate 0.2mm. 6. At the same feed rate, the lower spindle speed was, the more stable chips were produced.

초고속 통신망에서 비디오의 주관적 품질 평가에 관한 연구

강명화,강진석,최연성,김장형 제주대학교 산업기술연구소 2001 尖端技術硏究所論文集 Vol.12 No.1

According to information communication business faces with competitions in a various spheres with the development of multimedia and information communication, the time when we have to make an effort to improve a quality comes from an era when we devote ourselves to quantitative expansion. we will try to perform quality assessments of real-time interactive multimedia service, and so on - in this research and present criteria of new subjective quality assessments which is fit on Korea by analyzing examples of ITU-T and foreign countries and Korea.

새로운 무손실 압축 기법에 관한 연구

김명찬,허영,윤태성 國立 昌原大學校 産業技術硏究所 2000 産技硏論文集 Vol.14 No.-

In general, the pixels are correlated in image data, especially, highly correlated among the adjacent pixels. In this paper, a new lossless image compression scheme using this fact is proposed in order to improve the compression ration and for effective transmission after the compression. The whole image is subdivided into small fixed-sized blocks and each block data are coded using the run-length and the offset coding. If all the pixels in an image block have the same data values, the run-length coding is applied, otherwise, the offset coding is applied. Based on the dynamic range of the data in a block, an image block is coded with one of 6 different offset classes. To reduce the number of data bits stored in the memory, in case of an image block having edge, the block is classified using a special code. In that case, the edge direction is detected first and the block is partitioned into 2 sections according to the edge direction, and then each section of the block is coded using the proposed offset coding method. Computer simulation results show that the bit ratio of about 5bpp for the standard images is obtained using the proposed compression scheme. Also, this scheme can support both the sequential and progressive data transmission modes.

비만의 원인과 치료에 대한 동서의학적 고찰

이상봉,금동호,이명종 동국대학교 한의학연구소 1996 東國韓醫學硏究所論文集 Vol.5 No.-

The purpose of this study was to investigate efficient treatment in obesity. In order to help clinical application in obesity treatment, this study was performed to investigate the cavse and treatment in obesity. The main finding of this study were an follows. 1. In the cause of oriental medicine in obesity, that were moisture(濕), phlegm(痰), gore(瘀), the productive heat(積熱), overeating, supernutrition, underaction, heredity and habitude, psychologic factor(stress) etc. 2. In the western medicine, the cause of obesity were genetic cause, endocrine disorder, hypothalamic extraodinary and secondary effect of drug. But simple obesity is the greater part. Also there were psychologic and environmental causes. 3. Ear acupuncture of wide application were Naebunbi, Sinmun, Taejang ijo˘m. Pyejo˘m, Bijo˘m etc. 4. Body acupuncture of application were Naejo˘ng, Sanggo˘ho˘, Pungnyung, Kokchi, Samo˘mgyo, Umno˘ngcho˘n etc. 5. In oriental medical treatment of obesity, Bangpungtongs ngsan(防風通聖散), Daesihotang(大柴胡湯), Seungkitang(承氣湯), Bangkihwangkitang(防己黃??湯), Richulsaryeungtang(二朮四??湯), Taeksatang(澤瀟湯), Opieum(五皮飮), Gongyundan(控涎丹) etc were wide applicated. 6. The western medical treatment in obesity encourage the dietary cure, exercise cure and behavior adjustment than medical therapy or operation. In treatment of obesity the dietary cure and Herb-drug therapy, ear acupuncture and body acupuncture are effective. But weight maintenance after treating is more important. After all, the continuous dietary cure, behavior adjusting cure and exercise cure are necessary.

방사선조사가 백서 타액선의 clusterin 발현에 미치는 영향

오규명,최용석,황의환,이상래 대한구강악안면방사선학회 2006 Imaging Science in Dentistry Vol.37 No.1

Purpose : To investigate clusterin expression in the acini and ductal cells of rat submandibular glands after Co-60 gamma irradiation. Materials and Methods : The male Sprague-Dawley rats weighing approximately 250 gm were divided into control and experimental groups. The experimental group was irradiated with a single absorbed dose of 2, 5, 10, and 15 Gy on the head and neck region. All the rats were sacrificed at 1, 3, 7, 14, 21, and 28 days after irradiation. The specimens including the submandibular gland were sectioned and observed using a immunohistochemical method. Results : In the 2 Gy group, clusterin expression was similar to that of the control group at 1 day after irradiation and it was observed in the striated ductal cells at 3 days after irradiation. In the 5 Gy group, clusterin expression was observed in the striated ductal cells at 1 day after irradiation and gradually increased in the 10 and 15 Gy groups. In the 15 Gy group, clusterin expression was prominent in the striated ductal cells at 1 day after irradiation, but it gradually decreased with the experimental period. The destruction of the striated ductal cells was observed in the 2 Gy group at 21 days after irradiation and in the 5, 10, and 15 Gy groups at 7 days after irradiation. The destruction of the acinar cells was observed in the 2 Gy group at 28 days after irradiation and in the 5, 10, and 15 Gy groups at 14 days after irradiation. Conclusion : Clusterin expression was induced by low doses of irradiation and it appeared to be involved in the regulation of cellular response to irradiation. (Korean J Oral Maxillofac Radiol 2006; 36 : 33-40)