Practical experiences and requirements on workflow

김광훈,장병옥,백수기 경기대학교교육대학원 1997 경기교육논총 Vol.6 No.-

Compound odontoma에 관한 증례보고

주훈,백남규,백병주 大韓小兒齒科學會 1990 大韓小兒齒科學會誌 Vol.17 No.2

Odontomas are probably the most common of the odontogenic tumors, and have been defined as “a tumor composed of dentin and enamel in which pulp and cementum also are present.” Clinically, although odontomas may be discovered at any age, they developed at the same time normal odontogenic structures are differentiating. Odontomas are slow growing, nonpainful lesion that may cause local enalargement and frequently interfere with normal tooth eruption. Radiographically, odontomas are usually situated between the roots of teeth and appear either as an irregular mass of calcified material surrounded by a narrow radiolucent band with a smooth outer periphery, or as a variable number of toothlike structure with the same peripheral outline. The treatment of the odontoma is surgical removal, and there is no expectany of recurrence.

中國現代化政策에 나타난 鄧小平路線의 特徵

白秉勳 건국대학교 1988 論文集 Vol.26 No.1

In the Current movement to promote "socialist construction with chinese characteristics", Teng Hsiao-p'ing and his followers have to propose some theories to justify their policies. In fact, thinkers and theorists who belong to the Teng faction have made strenous efforts to produce a series of new theoires over the few years. In a Communique issued on December 22, 1978, the Third Plenary Session of the 11th CCP Central Committee stated that in the early years after the founding of Communist China, especially after socialist transformation had been basically completed, Mao Tse-tung had instructed the whole party to shift the focus of its work to the field of the economy and tecnical revolution. Today, Teng faction's "building Socialism with China Characteristics" involves politics, the economy, military affairs, psychology and foreign policy. Although its central task is the development of the econmy, it also covers other spheres. Therefore, comprehensive observation is necessary to understand the practice of socialism with Chinese Charateristics. 1. During the last ten years of Mao's rlue, the period of the Cultaral Revolution, Mao Tse-tung thought was regarded as the Maoism-Leninism of the contemporary era. Like Marxism-Leninism, it represented absolute truth that no one should have any doubt about. But, In 1978, following his return to power. Teng Hsiao-p'ing proposed that "practice is the sole criterion for testing truth" to counter Leftist. Then, the Chinese Communist's attitude toward Marxism-Leninism and Mao Tse-tung thought began to change. By the end of 1978, Teng began to criticize Mao's errors. and when the Chinece Communists prepare to launch a new movement, the usually try to find a ready made theoretical basis from the work of Marx and Lenin. If they fail to find one, they will create a new explanettion, saying that it is the application and further development of Marxism-Leninism under new historical Conditions. 2. The orthodoxy of the day is that Chinese politics is now pragmatic. And the goal of Chinese progmatism is not just that of being practical and realizing imnediate objectves by whatever means are available. Today pragmatism means in China little more than a decline in the importance of Ideology, for others it means only that China is in flux, but for most it means a stress on economic development and technological modernization. 3. According to the Chinese communist, the current political reform in China has the following three objectives ; (1) selection of younger cadres to the leadedership posts at various levels (2) separation of party and government functions and simplication of organizations so as to overcome bureaucratism and develop socialist productivity (3) development of socialist democracy by transforming power to lower-level units. 4. Economic reform is the top priority of the current Chinese Communist leadership. In October 1984, the Third Plenary Session of the 12th CCPCC adopted the "Decision on Reform of the Economic System" which stronly affirmed the heed for such no Marxist elements as commodity production, the laws of value, and market mecanism. 5. "Spiritual pollution" can be devided into two major Categories ; (1) deviation from Marxism-Leninism to obstractly propagate the ideas of bourgeois liberlization such as the values of man, hummanism, and alinating characteristics of socialism. (2) propagating obscene, pornographic, horrifying, and odd things as well as the decadent bourgeoies life style featuring fast living and the total pursuit of pleasure. To sum up, the Chinese Communist Party will not abandon Communism which is the basis for the legitimacy of its regime. If it criticizes Marxism-Leninism and Mao Tse-tung Thought too harshly, it will destroy the basis on which its very existence depends. Therefore, The Chinese Communist today are faced with a dilema. They lave to criticize Marxism-Leninism and Mao Tse-tung Thought but They cannot do so too severely. This current tendency in China must be called "Chinese Road to Socialism" and this also means Teng Siao-ping's political line. So, in the Teng's line the most critical question for the future is likely to be the relationship between Chinese national pride and Chinese progmatism.

정규화된 3D 스캐닝 데이터를 이용한 메쉬 생성 가시화

이병훈,박상호 忠南大學校 産業技術硏究所 2003 산업기술연구논문집 Vol.18 No.2

The reverse engineering quality has been gradually improved by developing softwares to support post-process of 3D scanning efficiently, in spite of wasting high cost and much of time. This research suggests the algorithms of deleting noisy data from 3D scanning point cloud data, generating meshes and visualizing them, which are the key technologies of the reverse engineering. It is expected that output data from our algorithms can be used in inspecting errors between product designs and their final products, and in finding a way to improve quality by considering digital model data.

hCG에 대한 단일클론 항체 생산과 그 이용에 관한 연구

崔尙勳,李丙哲,李承培 건국대학교 1987 論文集 Vol.25 No.1

This study was carried out to produce monoclonal antibody against hCG secreted by the tr-ophoblast of developing embryo. Produced monoclonal antibody to hCG was regarded as IgG class since it had a strong affinity for a protein A. The concentration of monoclonal antibody in cell culture supernatant and in mouse ascitic fluid was 250㎍ and 30mg perml, respectively. The titer of antibody in mouse ascitic fluid was about 1 : 106~107 on ELISA

치아종에 대한 증례보고

백병주,김재곤,주훈,양정숙 大韓小兒齒科學會 1995 大韓小兒齒科學會誌 Vol.22 No.2

Odontomas are most common benign odontogenic tumors, and have been defined as "mixed odontogenic tumor composed of epithelial and mesenchymal cells". Many authors are considered to be malformations rather than neoplasm. The etiology of odontoma is uncertain but hypothesized to involve local trauma, infection, inheritance or mutant gene interference with genetic control of tooth development. The recent classification by WHO divides odontoma into 2 groups such as complex odontoma and compound odontoma. Odontomas are usually asymptomatic and are usually discovered on routin dental radiographs. The most frequently encountered symptoms are impacted tooth and swelling. Radiographically, it appears as an irregular mass of calcified material surrounded by a radiolucent band. The possibility of an ameloblastic odontoma must be kept in mind during the differential diagnosis. Surgical excision and histopathological examination of the lesions is recommended. Following removal of the odontoma closing the incision and allowing the tooth to erupt spontaneously was considered. Hitchin suggested that spontaneous eruption may not occur if the root of the impacted tooth is completed. Failure to erupt would require a 2nd surgical exposure to place an orthodontic attachment. This report presents the result in treating patients, whose chief complaint was delayed eruption of teeth due to odontoma.

기-액병류상향 고정층반응기에서 액체의 흐름과 축방향분산

함병호,조지훈,편무실,김태옥,손민일 明知大學校 産業技術硏究所 1996 産業技術硏究所論文集 Vol.15 No.-

For upward cocurrent gas-liquid flow in a fixed bed reactor, the flow and axial dispersion of liquid were investigated in an air-water-Zeolite particle system. Based on experimental residence time distributions, parameters of mixing models were evaluated with two proposed liquid mixing models: axial dispersion model with stagnant zone(DSM) and plug flow model with stagnant zone(PFM). Accordingly, the applicability and parameters of each mixing model were analyzed for various operating conditions. We found that the flow and axial mixing characteristics of liquid could be analyzed well by DSM and parameters were well estimated by curve fitting using trial and error method. Also, the fraction of stagnant zone was decreased with increasing liquid velocity, while the dimensionless mass transfer coefficient between dynamic and stagnant zones was increased, and these parameters estimated by DSM were lower than those by PFM. In dynamic zone, calculated Peclet number were increased with increasing liquid velocity and axial mixing characteristics of liquid tended to access to plug flow for the high liquid Reynolds number(about Re1>50). For the porous catalyst particle system the flow and axial mixing characteristics of liquid had nearly same tendency that for the nonporous particle(glass bead) system, while dimensionless mass transfer coefficient was lower value than that for it. In these conditions, correlations of these parameters were obtained for various operating conditions.

에어로빅 지도자의 직무만족에 관한 연구

이병익,정훈,김진표,이동희 龍仁大學校 人文社會科學硏究所 2002 인문사회논총 Vol.- No.8

This Study attempts to figure out job satisfaction level of aerobic instructors by gender, age and education background. It was carried out on the hypothesis that "there may be difference in the degree of job satisfaction among aerobic instructors by gender, age and education." For this study, a total of 145 instructors (26 males and 119 females), working in Seoul as of 2001, were surveyed In the survey, "Job Diagnostic Survey" that Cho Young-chang translated and revised (1988) was utilized as a questionnaire. Afterwards, Frequency Analysis, t-Test and One-person Variable Analysis methods were adopted to analyze survey results. Based on the aforementioned study procedures and data analyses, the study concluded as follows: First, gender is not a determinant factor of job satisfaction as both gender groups, male and female instructors surveyed, showed high level of job satisfaction. There is not noticeable difference in overall and detailed job satisfaction between the two gender groups. However, in the question of self-achievement evaluation, female groups showed much higher marks. Secondly, age affects job satisfaction level. The instructors in their 30s are found to be more gratified with their job than those in their 20s. In particular, the two age groups demonstrated significant variance in the question of self-achievement evaluation. Thirdly, job contentment level of aerobic instructors varies by educational background. Instructors with highschool education displayed higher level of satisfaction than those with university and graduate school education. However, for question of work environment, compensation, and facilities, those with higher educational background are more content than those with highschool education.

기-액병류상향 충전탑에서 액체체류량과 축방향혼합특성

조지훈,손민일,박용성,함병호,김태옥 明知大學校 産業技術硏究所 1993 産業技術硏究所論文集 Vol.12 No.-

For upward cocurrent gas-liquid flow in a packed column, holdup and axial mixing characteristics of liquid were investigated. In an air-water-glass bead system. liquid holdup and residence time distribution(RTD) were measured and Peclet number based on axial dispersion model was evaluated from experimental RTD. We found that liquid holdup was increased with increasing liquid velocity and size of packing material, and it was decreased with increasing gas velocity. Also, liquid holdup for the cocurrent up flow system was larger than that for the downflow system at the same experimental conditions. As increasing gas velocity, the in fluence of packing size and operation method on liquid holdup was reduced. The calculated Peclet number was not affected by gas velocity, and it was increased with increasing liquid velocity and with decreasing packing size. Furthermore, the effect of liquid velocity on Petlet number for higher liquid Reynolds number(Re1>70) was larger than that for lower Re1. In these conditions, correlations of the dynamic liquid holdup and the Bodenstein number were obtained.

구강편평세포암종의 유세포분석적 DNA측정을 위한 이중 매개변수법의 적용

백병주,조남표,김재곤,주훈,김수야 大韓小兒齒科學會 1996 大韓小兒齒科學會誌 Vol.23 No.2

A series of 31 patients with primary oral squamous cell carcinoma (SCC) who were treated at Chonbuk National university Hospital during the years 1991-1995,were evaluated by dual parameter analysis in flow cytometric DNA measurement,Bryne's malignancy grading system,and the TNM classification.The aims of the present study were to discover that previously undetected aneuploid clones could be detected by dual parameter analysis and to determine the prognostic value of the above parameters. 1.Using dual parameter analysis of cytokenratin and DNA on disintegrated paraffin-embedded samples,aneuploid clones which were undetected by regular single parameter DNA analysis could be found among the cytokenratin-selected cells. DNA aneuploidy from parafin-embedded samples were 15 cases compared with 10 cases using conventional DNA analysis. 2.The portion of aneuploid tumors showed slightly higher clinical stage tumor size than the portion of diploid tumors, but the difference was not significant.The portion of DNA aneuploid tumors showed significantly higher mean mitosis and total malignancy scores than the portion of DNA diploid tumors. 3.The majority of the patients presented with clinical stage Ⅲ and Ⅳ lesions showed showed significantly higher mean total malignancy scores as compared to those with clinical stage Ⅰ and Ⅱ. 4.Histopatholgic mean total malignancy score of the 31 cases was 12.7.Among the histologic parameters,mean mitosis score was correlated to the status of DNA ploidy and total malignancy score were correlated to the DNA ploidy and clinical staging.