수용성 키틴이 백서 창상치유에 미치는 영향

강장석,조용남,정상훈,유 결,임진수,권 호,조용우,고석원 大韓成形外科學會 2001 Archives of Plastic Surgery Vol.28 No.1

대학병원 외국인 진료소 소아환자 의료 이용에 관한 조사 연구

장용석,신차남 순천향의학연구소 2003 Journal of Soonchunhyang Medical Science Vol.9 No.1

Background: Recently, not only sociocultural influence among countries, but also transmission of disease is faster moving than before, as a result of globalization. Therefore, the demand for medical services among foreigners is growing with the increasing number of foreigners living in, or visiting Korea. The need of medical service utilization for foreign children is increasing accordingly. We have provided good medical service to children (1,543 cases, 20.7%) among all the patients (7,443 case) over the past three years. This study is to show the basic clinical data of foreign children who visited the international clinic and to provide better medical service to those patients. Materials and methods: This study is an analysis of 395 patients (1,543 cases) in the International Clinic at Soonchunhyang University hospital from Feb. 1 1999 to Jan. 31 2002. The medical records of patients were reviewed and analyzed by frequency and percentage. Results: By gender grouping, 695 cases (45.0%) were females and 848 cases (55.0%) were males out of 1,543 cases. Those who were between 2-6 years old (662 cases, 42.9%) made up the largest age group. The most frequent visitors were Germans with 180 cases (11.7%), and on average, each person visited 4.0 times. On the other hand, Egyptians were the most visited per capita with a frequency of 17times. The most common diagnosis of Out-patient treatment was upper respiratory tract infection with 502 cases (32.7%), followed by vaccination (296 cases, 19.1%). Whereas, the most common diagnosis of In-patient treatment was pneumonia, 13 cases (38.2%).

切土法面 綠化工法에 關한 硏究 : 産業廢棄物을 活用한 綠化物質의 造成 事例를 中心으로 Application of Vegetative Soil Out of Utilized Industrial Sludge

장용배,오휘영,김남춘 漢陽大學校 環境科學硏究所 1996 環境科學論文集 Vol.17 No.-

본 연구는 切土斜面 綠化工法에 있어서 産業廢棄物을 활용한 綠化物質의 조성을 통하여 植物生育 및 斜面 浸蝕 安定效果를 기여하는 綠化物質의 構成比를 파악하기 위하여 1994년 4월부터 1994년 9월까지 실시하였으며, 綠化物質 별로 7개 斜面實驗區와 外來導入草種 2종과 在來鄕土草種 5종의 生育實驗區에서 조사하여 얻은 결과는 다음과 같이 요약될 수 있다. 1. 식물의 被覆率과 生育狀態가 가장 우수한 綠化物質의 구성비는 混合型區(Soil A)이며, 가장 저급한 구성비는 제지재 위주의 配合型區(Soil D)로 나타났고, 土壤硬度 및 균열현상등 斜面浸蝕效果에 가장 좋은 綠化物質 구성비는 제지재 위주의 配合型區(Soil D)와 연탄재 위주의 配合型區로 나타나, 이의 결과는 處理區간에 서로 반대의 경향을 보였다. 2. 綠化物質은 알카리성토양으로 판명되었으며, 유기물함량, 전질소, 유효인산, 치환성염기는 우수한 것으로 나타났다. 3. 외래도입수종인 Tall Fescue Arid와 Perennial Ryegrass, 참싸리, 쑥, 비수리의 근계발달은 비교적 양호한 것으로 나타났다. 따라서 植生綠化工法에 있어서 綠化物質의 적정한 구성비는 法面의 토질상태, 경사도, 향 공사시기등을 고려하여 早期綠化의 필요성이 강조되는 경우에는 有機性 産業廢棄物의 함유율을 30%에서 50%까지 가능할 것으로 생각되며, 法面의 요철이 심하고 균열이 심한 斜面과 時期的으로 파종시기가 아닐때에는 斜面 침식을 고려하여 토양재류의 함유율을 25%에서 60%까지 조절하여 적용하는 것이 바람직할 것이다. The purpose of this study is to review the ratios of vegetative soilmix in terms of their effects on the growth of vegetation and stability of erosive cutting slope land by adjusting the ratios using the industrial sludge through the turfen method. For this purpose, a test work was conducted and in this test work various ratios of vegetative soil mix were applied to seven plot by transplanting 2 species of alien grasses and 5 species of native ones. The results of the test can be summarized as follows: 1. The most efficient mixing ratio of vegetative soil for turfing and plant growth is the mixed soil A, while the least efficient one is soil D of primary paper sludge. However, in terms of soil hardness, crack and corrosion-resistance, the best mixing were the soil D and soil G of primary used briquets, ironically. 2. It was disclosed that the vegetative soils are of alkali, and thus they are rich in organitive subtances, total nitrogen, effective phosphoric acid and substituent bases. 3. The growth of roots are relatively good in case of the alien Tall fescue“Arid”and Perennial rye grass as well as the native Lespedeza bicolor Turcz, Artemsia princeps Pampan and Lespedeza cuneata G. Don. All in all, in the turfen method the vegetative soil should be adequately mixed in consideration of slope land quality, bevel, direction and construction time. In case earlier turfing is required, the organic industrial wastes may be contained by 30%∼50%, while this ratio can be adjusted with the wide range of soil material portion (25∼60%) in consideration of slope corrosion when the slope has much ruggedness and sowing is not feasible.

시멘트 종류별 콘크리트의 적산온도에 의한 강도예측에 관한 연구

장종호,나철성,김재환,김용로,길배수,남재현,김무한 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2

The purpose of this study is to exhibit fundamental data which can apply to quality and process management of structure concrete using special cement in the construction field investigating strength prediction by maturity method of concrete according to cement types. The activation energy value was derived from the experimental study that experimental factors were selected as W/C ratio of 45%, the kinds of cements of 3 levels of O.P.C, H.B.C, H.S.C and curing temperature of 3 levels of 5℃, 20℃, 35℃. Also, after investigating relationship between compression strength and equivalent ages of concrete according to cement types, the strength prediction was investigated by maturity method. As the above of results, differences between the prediction strength by strength prediction equation and the actual measurement strength were lower, therefore it is considered that the strength prediction by maturity method is possible not only concrete using normal portland cement but also concrete using special cement.

대학병원 외국인 진료소 진료 통계 분석

장용석,신차남 순천향의학연구소 2001 Journal of Soonchunhyang Medical Science Vol.7 No.2

Background : Recently, with the increasing number of foreigners living in or visiting Korea, the need of health care system for them is growing. But there are few studies related with foreigners of Korea. Even though there are 13 International Clinics in Seoul, foreigners still have a lot of difficulties to get good medical treatment. This study is to provide the basic clinical data for the systematic and efficient management of better medical service. Material and method : This study is an analysis of 1,546 patients in International Clinic of Soonchunhyang University hospital from Feb. 1 1999 to Jul. 31 2001. The medical records of patients were reviewed and analyzed by frequency and percentage. Results : By gender grouping, 786 cases(50.8%) were females and 760 cases(49.2%) were males out of 1,546 cases. Those who were aged from 30-39(398 cases, 25.7%) was the largest age group. Americans were 298 cases(9.3%), followed by German with 172 cases(11.1%). The total number or clinic visit was 5,257. According to departments, Internal medicine had 1,003 visits(19.1%), followed by pediatrics with 874 visits(16.6%). The most common diagnosis were Upper Respiratory Infection including common cold with 699 visits(13.3%), followed by vaccination(299 cases, 5.7%) and general checkup(213 cases, 4.0%). During the last 30 months, 2-5 visits of clinic was 839 cases(54.3%), On average patients visited medical doctor 2.8 times during this period. The most visit was 66 times for 1 year of 2000. Those who had been hospitalized were 107 cases, the average days of hospitalization was 4.5 days. During the time of study, 38 cases of operation were conducted and medical problem of 810(15.4%) visits were solved in International Clinic. In conclusion, this study has limit of data because of the lack of relationship among International Clinics. Therefore, further study is necessary under cooperation among International Clinics in the near future.

WWW 기반의 원격교육시스템 설계 및 구현

박남숙,장기화,곽난희,이수현,우용태 國立 昌原大學校 精報通信硏究所 1998 精報通信論文集 Vol.2 No.-

The purpose of this paper is to develope a distance education that would be a courseware for a specific object, which can be available for student to learn the necessary knowledge or function, with no restriction of time or place, using WWW and Oracle DBMS. The distance education was designed in this paper consists of bulletin board, subject information, lecturing schedule, online instructions, questions and answers, submit and confirmation of reports, evaluation of lecturing, reference sites, chatting and discussion room, and data bank. The distance education coupled by WWW and database will change the educational form from one-direction to bi-direction between a teacher and the students. This can also provide a multimedia information to the students through WWW environment with convenient user interface. Those benefits made it possible to offer animated audio-visual materials and search for the information concerned through a hypertext technique. Besides, various kinds of informations were stored at database to increase an effectiveness in managing data. Since both teacher and students, are easy to add new information using the process of instruction to the database, the amount of the stored information in the distance education can be expanded effectively.

VDT작업별 정신사회적 스트레스와 근골격계 장애에 관한 연구

백남종,강종두,주영수,배인근,권호장,박종만,조수헌,김돈규,김재용,최홍렬 大韓産業醫學會 1998 대한직업환경의학회지 Vol.10 No.4

It has been hypothesized that jobs that have both high psychological demands and low decision latitude("job strain") can lead to musculoskeletal disorder. The objective of this study was to test whether job strain was correlated with the presence of work-related musculoskeletal disorder, especially myofascial pain syndrome(MPS). Information on demographic factors, confounders such as household load and taking care of children or not, and scores for decision latitude, job demand, and social support was obtained by self-administered questionnaire, which had been developed in Korean language, by adopting NIOSH instrument and Extended Karasek Model(16 items). All subjects were also examined by rehabilitation medicine specialists for musculoskeletal disorders. Subjects(n=370) could be categorized into 4 groups, these were, housewives(n=89), shipyard CAD workers(n=89), general female workers(n=79; nurses, insurance counselors, public officials, clerks, etc), and telephone directory assistance operators(n=113). Results from univariate analyses indicated that all demographic factors, all confounders, scores for decision latitude and social support were not associated with the risk of musculoskeletal disorder. However, score for job demand was higher in musculoskeletal disorder cases than others. In subgroup analysis, this association was convinced again, in telephone directory assistance operators. Job strain model showed that the group of telephone directory assistance operators was high-stain group, and OR of musculo skeletal disorder was 2.446(95% C. I. : 1.174, 5.096), when comparing this with the low strain group. In conclusion, job strain is a risk factor for work-related musculoskeletal disorder.

방사선치료를 받은 후두암 환자의 특성 및 치료 결과

오윤경,장지영,도남용 朝鮮大學校 附設 醫學硏究所 2007 The Medical Journal of Chosun University Vol.32 No.1

Pmpose: To present the characteristics and treatment outcome of laryngeal cancer patients who were treated by radiation therapy with or without surgery and chemotherapy. Materials and Melhods: A total of 23 patients with laryngeal cancer treated from 1998 through 2003 were available for analysis. The primary site of the cancer was the glottis in 12 patients, the supraglottis in 10 patients, and the subglottis in 1 patient. The stages were Ⅰ in 7 patients (30%), Ⅱ in 5(22%), Ⅲ in 3(13%), IV in 6(26%), and recurrent in 2(9%). The minimum follow-up period in surviving patients is 3 years after the radiation therapy. They were treated by radiation therapy at least 44 Gy with or without surgery and chemotherapy. Results: The overall survival at 1, 2, 3, 5 years in total patients were 95.6%, 82.6%, 78.2%, 73.9%. The overall survival at 1, 2, 3, 5 years in the glottic cancer patients were 100%, 100%, 91.6%, 91.6%. The overall survival at 1, 2, 3, 5 years in the supraglottic cancer patients were 90%, 70%, 70%, 60%. The 3-year overall survival showed the significant difference according to the primary site (glottic vs. supraglottic), cervical lymph node status (negative vs. positive), and overall time of radiation therapy (<50 days vs. 50-59 days vs. ≥60 days), Conclusion: The overall survival rate of laryngeal cancer patients in this analysis seems to be similar in early glottic cancers and relatively good in supraglottic cancers as compared with the results of other studies even though the total number of patients is small.

하지의 동맥부전증 환자에서 동반된 복부 대동맥류

문인성,박장상,고용복,김용귀,홍성곤,김승남 대한혈관외과학회 1999 Vascular Specialist International Vol.15 No.1

The early diagnosis of abdominal aortic aneurysms are difficult, especially when they are not clinically evident. Because of the generalized nature of atherosclerosis, there is reason to believe that there is a high incidence of aneurysms of the abdominal aorta in patients with peripheral vascular disease. But the screening test for hidden abdominal aortic aneurysms in patients with peripheral arterial disease has not been used for routine manner. So we retrospectively reviewed the 9 patients who had asymptomatic abdominal aortic aneurysms with symptomatic peripheral arterial disease during the last four and half-year period: among them three aneurysms were screened preoperatively by physical examination with their diameter more than 5 cm and 6 aneurysms were found intraoperatively with their mean diameter of 3.8cm. The ages ranged from 66 through 84 years with the mean age 73 years. There were 7 men and 2 women. The sites of the peripheral occlusive disease is as follows: femoral artery only in 1, iliac artery only in 2, both iliac and femoral arteries in 5, and from iliac artery through tibial artery with thrombus formation in 1. We suggest that ultrasonographic screening for the presence of hidden abdominal aortic aneurysm preoperatively in patients with lower extremity occlusive arterial disease is needed, especially when the ages of patients is older than 65 years and the site of arterial disease include iliac segment.

수용성 절삭유제 내에서 Saccharomyces cerevisiae와 Escherichia coli의 성장에 관한 연구

정광진,최희영,김장규,원성호,김남기 成均館大學校 科學技術硏究所 1992 論文集 Vol.43 No.2

The water-soluble cutting oil was used in the type of the mixture of additive lubricant, surfactant, etc., as the organic nutrients, with water. Therefore it was easy to be affected by microbials ; they brought the bad odor by putridity, decreased the cutting property, and destroyed the emulsion phase. In the study using cells, Saccharomyces cerevisiae and Escherichia coli, we studied the effect of concentration and dilution ratio on the growth of cells and the cell growth rate, the pH variance and the change of oil's concentration. The results obtained in this experiment were as follows : 1) The result of test dilution ratio (water:oil) vs. cell growth was that by using E. coli, the growth was better in this order in emulsion type (sample 1) 50:1 > 30:1 > 100:1, and in the soluble type (sample 2) the order was 100:1 > 50:1 > 30:1. The effect of the cutting oil's concentration on the Saccaromyces cerevisiae's was less in this order 100:1 < 50:1 < 30:1 ; the maximum growth was occurred at 100:1. 2) In sample 1 by using E, coli, pH range was changed from 9.5 to 8.0 and refractive index(the cutting oil's concentration) was changed from 1.3327 to 1.3318. And in the test using S. cerevisiae, pH range was varied from 9.5 to 6.2 and refractive index was changed from 1.3330 to 1.3310. In sample 2 by using E. coil, pH was changed to 8.9 and refractive index was changed from 1. 3315 to 1.3313 and in that of using S cerevisiae, pH was changed to 8.1 and refractive index was decreased from 1.3355 to 1.3340.