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      • A Study on Small Business Development and Support Policies

        Yun,Jeong-keun,Jeong,Eun-hye 한국유통과학회 2011 한국유통과학회 학술대회 논문집 Vol.2011 No.-

        The number of small businesses being founded in the nation is constantly increasing and various kinds of aggressive efforts are being made to have competitiveness. As such, political support by the government with regards to small businesses that has productivity and competitiveness needs to increase. Foundation of small businesses is being promoted by the Government to boost the economy, and interest in foundation of the business is high amongst not only college students but even general workers. Thus, the purpose of this study is to examine problems regarding foundation of small businesses and to give new businesses competitive edge by presenting political answers to these problems. After analysing status and current issues of foundation of small business, the paper suggested positive policy alternatives. Existing studies on small businesses were focused on promotion of small and medium distributors, and studies on policy alternatives aimed directly at promoting the businesses are insufficient. Further studies are needed to examine political alternatives from point of view of roles and support of non-profit organizations that the Government is responsible for support of small business.

      • 뇌졸중노인의 불안과 대인관계에 자기표출훈련이 미치는 효과

        윤정현,신혜섭 생활과학연구소 2005 생활과학연구 Vol.10 No.-

        The eldery with stroke attacks suffer from emotional and interpersonal problems accompanying the loss of their health. The sufferings in turn delay their rehabilitation and social adaptation and damage the sense of wellbeing. Self-disclosure training has been studies as an effective way of improving emotional state and interpersonal relations for different populations. Yet, the effectiveness of self-disclosure training on the elderly with stroke has been rarely studied in Korea. This study focused on how to comprise of the self-disclosure training for the elderly with stroke and how effective the training was. The program for the study is comprised from the social learning theory and cognitive-behavior theory. It was implemented in A community welfare center for 13 participants. Among them 8 participants were used for the effectiveness analysis. As a result, the study showed that the self-disclosure training for the elderly with strokes were effective in reducing anxiety and in increasing interpersonal relationships. The implications of the study had been discussed.

      • 급수시스템에서 동관부식에 대한 음이온물질의 영향

        윤혜정,서규태,이택순 7개 국립대학교 환경연구논문집 공동발행 위원회 2005 공업기술연구 Vol.5 No.-

        The corrosion rate of copper pipe used in distribution system was studied in presence of chloride, sulfate and fluoride ions, respectively. It was compared with test results using mixtures of sulfate and chloride at concentrations similar to those of tap water in Gyeongnam area. The corrosion rate of copper pipe was higher in the presence of sulfate than chloride showing two fold higher rate. In contrast copper concentration in synthetic water containing chloride was rather higher than in the presence sulfate. Fluoride was generally considered less aggressive toward corrosion of pipes, but corrosion rate and the concentration of copper were relatively large values. During potentiostatic anodic polarisation a relatively large current was producted in the chloride containing solutions.

      • 간세포암종에 대한 간동맥 화학색전술 후 발생한 급성호흡곤란증후군

        조윤원,이정미,최자윤,유동훈,차라리,오혜원,김홍준,민현주,김현진,정운태,이옥재,하창윤,이선영 이화여자대학교 의과학연구소 2013 EMJ (Ewha medical journal) Vol.36 No.1

        Transcatheter arterial chemoembolization (TACE) has become an effective alternative treatment strategy for patients with inoperable hepatocellular carcinoma (HCC). Although TACE is relatively safe, acute respiratory distress syndrome associated with pulmonary lipiodol embolism is a rare and potentially fatal complication. We report a rare case of acute respiratory distress syndrome after TACE for inoperable HCC. A 75-year-old man, with huge HCC in right lobe, was treated by TACE for the first time. Seven hours after uneventful TACE procedure, he felt dyspneic and his oxygen saturation recorded by pulse oximetry (SpO2) fell to 80% despite of applying non-rebreathing mask. He underwent mechanical ventilation with a protective ventilatory strategy. We experienced a case of acute respiratory distress syndrome after TACE for HCC.

      • Faraday's Law에 의한 전기응집공정의 분석

        김혜숙,윤영임,조은정,최윤희,오미영,김영관 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.A

        This research was carried out to find out the possibility of using Faraday's law in analyzing the electrocoagulation system. Bench-scale reactor equipped with aluminum electrode plates was operated using synthetic wastewater which received sodium chloride for conductivity adjustment. Phosphate was added to the wastewater to induce the precipitation with Al. The amount of aluminum dissolved from the electrodes could be predicted by Faraday's law with a difference less than 5%. This difference was greater at a higher electric current, probably due to the increased solution temperature. However, effect of pH on the dissolution of the aluminum was negligible. The result of this study suggested that the operating condition of electrocoagulation system could be developed using the Faraday's law when the pollutant concentration is given.

      • KCI등재

        정맥주입 전문간호사가 삽입한 말초삽입형 중심정맥관(PICC) 사용 결과에 대한 후향적 분석

        박정윤,박광옥,백미경,김세라,권혜리,양수진 대한기초간호자연과학회 2004 Journal of korean biological nursing science Vol.6 No.1

        Background : Intravenous(Ⅳ) access is becoming an increasingly important part of health care today. The current drive for clinical effectiveness and cost-effective health care serves to increase the need for reliable vascular access. Venous access devices were developed to overcome problems associated with limited peripheral access and frequent venipuncture in patients with long-term therapy. Although the peripherally inserted central catheter(PICC) have become popular during recent years in USA, its procedure is rare in Korea. Purpose : The goal of this study was to analyze the PICC inserted patient data by Ⅳ CNS intervention. Method : A Total of 62 PICCs were inserted into 51 patients by the Ⅳ CNS during a 10-month period form November, 14, 2002, to October 2, 2W2. Data was obtained retrospectively through chart review. Result : The patient population included 34(54.8%) men and 28(45.2%) women, with a mean age 50.6 years. The main indication for PICC placement was to access vein in poor peripheral venous status(40.3%). The mean served interval for PICC insertions was 16.7 days(range, 2~61 days). The reasons for removal were completed therapy in 18 cases(29.0%), patient death in 13 cases(21.0%), and mechanical or functional PICC problem in 10cases(16.1%). The three PICCs removed for presumed infection, and one had only positive tip cultures(0.2%). Conclusion : PICCs are rapidly growing popularity and required an extended course of Ⅳ therapy.

      • 최적화척도방법에 대한 비교 연구

        이용구,정혜윤 중앙대학교 통계연구소 1995 統計論文集 Vol.- No.2

        최적화 척도방법은 개체/변수들간의 유사성을 측정해서 그들의 상대적인 위치가 인지된 유사성의 정도를 반영하도록 다차원공간상에 위치도를 그리는 것이다. 실제자료분석에서 다차원척도 방법과 비선형주성분분석 방법은 최적화 척도의 목적으로 널리 사용되었다. 기본적으로 다차원척도 방법과 비선형주성분분석 방법의 목적은 다변량자료의 내재된 구조를 일목요연하게 표현하는데 있다. 본 논문에서는 두 가지 최적화척도방법의 기본적인 개념과 유용성을 요약하고 실제자료분석을 통하여 비교한다. Optimal Scaling Method is a statistical method to measure the similarity between objects/variables and draw a map in a multidimensional space in a such a way that their relative positions ifn the space reflect the drgree of perceived similarity(proximity) between the objects. In the real data analysis, MDS, nonlinear principal component analysis, are widely used for the purpose of optimal scaling. Basically, the objective of MDS, nonlinear principal component analysis is to provide a persimonious description of the structure underlying a set of multivariate data. The most important differende between MDS and nonlinear principal component analysis is that MDS can be applied to the data measured by interval or ratio scale, but nonlinear principal component analysis to the data measured by any of the four measurement scales. In this paper, we have summarized the basic idea and usefulness of the two optimal scaling methods and compared between them by applying to the real data analysis.

      • 회맹장 및 대장을 침범한 장 결핵에 있어서 바륨을 이용한 방사선 이중조영촬영 소견에 대한 연구

        진용현,전혜정,이용근,강철호,조성범,김윤환,박철민,차상훈,김일영,이혜경 건국대학교 의과학연구소 2002 건국의과학학술지 Vol.12 No.-

        To determine the characteristic double contrast barium enema findings of ileo-cecal and colonic tuberculosis and to make differential diagnosis from other bowel inflammatory disease. Sixty-seven patients confirmed as ileo-cecal and/or colonic-tuberculosis in six hospitals were evaluated retrospectively. The diagnosis was proven by endoscopic biopsy, surgery, and clinical follow up. Nine of 67 patients were excluded because radiologic findings were normal though endocopic biopsy examinations resulted in tuberculosis. Histopathological diagnosis were madein 58 cases as follows: endoscopic biopsy(n=29), operation(n=12), follow up examination(n=14), tissue culture(n=1), laparoscopic biopsy(n=2). There were 30 men and 28 females. The mean age were 36 yrs(range:16-67), 34 patients were in the second and third decade. The distribution of lesions, morphological characteristics, mucosal changes, ulcer shape and depth, associated with other tuberculous lesion, multiplicity were retrospectively analyzed in the findngs of double contrast barim enema. The commonest clinical symptoms were abdominal pain(n=35, 60%) and diarrhea(n=18, 31%). The chest radiography revealed association of pulmonary tuberculosis in 39 cases. Tuberculous lesions of other organs except chest were present in five cases. Double contrast barium enema findings showed a thickening and irregularity of intestinal mucosal fold(n=29, 50%), bowel contraction and/or shortening(n=26, 45%). There were small, nodular, superficial ulcers in the case of ulcer depth less than 2 mm in the depth. As many as 39 cases(67%) in this series had two or more lesions in the intestinal tuberculosis. The involved segment revealed symmetrical feature(n=21, 36%). Inflammatory pseudopolypoid lesions were noted in 30 cases(52%). The ileo-cecal region was involved in 38 cases(66%). The ascending colon(n=25, 43%) was the second commonest site with or without contiguous cecal involvement. Lesions in terminal ileum, ileo-cecal valve, transverse colon, descending colon and appendix were seen in 19, 18, 18, 12 and seven cases, respectively. Among 18 cases of ileo-cecal valve lesions, there were incompetency in nine cases(16%) and wide gapping in four cases(7%). In 14 cases, tuberculous enterocolitis was diagnosed by clinical follow-up and double contrast barium enema study. 12 out of 14 cases, the findings of double contrast barium enema of tuberculous enterocolitis were normalized after anti-tuberculous medication. However, two cases showed more aggravated state than before due to inappropriate treatment. Double contrast barium enema plays an important role in the diagnosis of tuberculous enterocolitis, determines the type, site and extent of the involvement and helps in treatment guide by using sequential studies.

      • KCI등재

        Cone-beam CT를 이용한 안면비대칭자에서 이부편위에 따른 치성보상의 양상분석

        박수병,박정희,정연화,조봉혜,김용일 대한치과교정학회 2009 대한치과교정학회지 Vol.39 No.5

        Objective: The purpose of this study was to evaluate the correlation between menton deviation and dental compensation in facial asymmetry. Methods: Tooth axis and distance of first molar and canine to the reference plane were investigated by cone-beam computerized tomography. The subjects consisted of 50 patients with asymmetric mandibles (male 21, female 29, mean age 24.3 years). Control groups were also assessed (male 11, female 9, mean age 25.6 years). Nine measurements (5 linear measurements and 4 angular measurements) were measured in order to evaluate the correlation between menton deviation and the linear and angular difference of first molar and canine in the deviated and none-deviated sides using the defined MPR images. The differences between deviated and non-deviated side, according to menton deviation, were statistically analyzed using stepwise multiple regression analysis. Results: From the result, Menton deviation was negatively correlated with mandibular first molar's angular measurement (Δ∠LM6-Mn plane (dev.-ndev.)) and positively with maxillary fist molar's angular measurement (Δ∠UM6-FH plane (dev.-ndev.)) (p < 0.01). Two angular measurements (Δ∠ LM6-Mn plane (dev.-ndev.), Δ∠UM6-FH plane (dev.-ndev.)) explained the variability in menton deviation with a significant r² value of 0.589. Conclusions: This study suggests that the tooth axis of upper and lower first molars leans towards the deviated side of Menton when there is mandibular asymmetry with Menton deviation. 본 연구는 Cone-beam CT의 MPR이미지상에서 하악골 평면에 대한 하악 제1대구치와 견치의 편위측과 비편위측의 높이와 각도차이 그리고 FH 평면에 대한 상악 제1대구치와 견치의 편위측과 비편위측의 높이와 각도차이를 계측함으로써 안면비대칭자에서 이부편위에 따른 편위측과 비편위측의 제1대구치와 견치의 높이와 협설측 경사도를 CBCT를 이용하여 분석하고 그 관련성을 알아보는 데 있다. 연구대상은 하악골의 이부편위를 동반한 안면비대칭 환자 50명(여자 29명, 남자 21명, 평균나이 24세 4개월)으로 하였다. 대조군으로 평균나이 25세 7개월인 20명(남자 11명, 여자 9명)을 분석하였다. 결과는 이부편위에 대해 FH 평면에 대한 상악 제1대구치의 편위측과 비편위측의 길이 및 각도 차이(편위측 - 비편위측)는 대조군에 대해 통계적으로 유의한 차이가 존재하였다 (p < 0.01). 비대칭군에서 상악 제1대구치 각도는 편위측이 비편위측보다 평균 8.62 ± 5.95˚ 컸다 (p < 0.01). 상악 견치의 경우에도 편위측과 비편위측의 각도차이가 평균 4.48 ± 5.05˚로 통계적으로 유의한 차이가 존재하였다 (p < 0.01). 하악골 평면에 대한 하악 제1대구치의 수직 길이와 각도는 편위측과 비편위측에서 통계적으로 유의할 만한 차이가 존재하였다 (p < 0.01). 각도의 차이는 평균 -11.92 ± 5.79˚로 나타났다. 이부편위에 대한 상하악 제1대구치와 견치의 수직거리 및 각도의 Pearson 상관분석 및 회귀분석 결과, FH 평면에 대한 상악 제1대구치의 편위측과 비편위측의 각도차이(Δ∠ UM6-FH plane (dev.-ndev.))는 통계적으로 유의한 양의 상관관계를 나타내었고, 하악골 평면에 대한 하악 제1대구치의 편위측과 비편위측의 각도차이(Δ∠LM6-Mn plane (dev.-ndev.))는 통계적으로 유의한 음의 상관관계를 나타내었다. 이상의 결과에서 이부편위를 동반한 하악골 비대칭이 존재하는 경우, 이부가 편위되는 방향으로 상하악 제1대구치의 치아장축의 각도가 변화되는 것으로 나타났다.

      • 多樣한 黃芩藥鍼製劑의 安全性 및 效能에 關한 硏究

        김호경,마진열,전원경,윤수영,강은정,주혜정,고병섭 한국한의학연구원 1997 한국한의학연구원논문집 Vol.3 No.1

        In order to detect the safety and effect of various aqua-acupunctures from Scutellariae Radix, the modifications of boiling, filtration and dilution were employed for the manufacture of aqua-acupunctures. We injected 0.2cc of aqua-acupunctures into Joksamri(足三里) of rat, repeatedly. we compared subacute toxicity of them with saline group, distilled water(D.W.) group, acupuncture group and control group. The results were summarized as follows: 1. The groups were all healthy and alive, and there was no special abnormality in physical condition and autopsy. And there were not any toxic symptoms in repeating application of aqua-acupunctures to the rat, including changes of body weight, organ weight, haematological examination and serum biochemical test. 2. There was slight change of body weight in acupuncture group : We could see significance after 3 days (p<0.05) and after 7 days (p<0.001) in body weight loss. After 9 days, all tested groups were suppressed in body weight increment. 3. Result of organ weight: In Palking aqua-acupuncture(D-2 group), saline group and acupuncture group there were some statistical significance. Especially, acupuncture group revealed significant result in liver and spleen than aqua-acupunctures. From this result, we could suggest that the efficacy of acupuncture was preceded herbal medicine. 4. In serum biochemical test, we examined glucose(GLU), triglyceride(TG) and cholesterol(CHOL). In comparison with control group, the diluted 10 times of hwanggum aqua-acupuncture (× 10 group) was recognized significant decrease of glucose, but the diluted 100 times of Hwanggum aqua-acupuncture (× 100 group), D-2 group, saline group were confirmed significant increment. There was not any meaningful change of CHOL in all of tested group, excepting the acupuncture group was exhibited statistically significant decrease(p<0.05). In TG level all tested group except complex injection of standard compound (CPA group) and HG, there were significant value in statistically. The diluted solution was more significant decrease than Hwanggaum aqua-acupuncture(HG). The mutual relationship of components of aqua-acupuncture tended to decrease level of TG, regardless of its concentration. In acupuncture group, we gained some interesting result in meaningful decrease in TG. 5. Haematological examination showed significant increment of gramulocytes(GR) in all tested groups except Hwanggum aqua-acupuncture. And the diluted solutions of HG expressed very high increment of them(p<0.001). The GR and Mean Corpuscular Volume(MCV) of acupuncture group showed statistical significance.

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