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      • 流域特性을 考慮한 流出 모델링에 관한 硏究

        金治弘,安元植,韓成大,尹如松 成均館大學校 科學技術硏究所 1985 論文集 Vol.36 No.1

        This study have been carried out as a sector of the rainfall-runoff relationship research. First of all, the runoff research has the difficult problem due to non-linearity of hydrological phenomena. In this study, according to the method of runoff separation into components by Hino and Hasebe (1980) is applied. This theory considers sufficiently the physical mechanism of runoff process to separate into the groundwater, interflow, and surfaceflow, respectively. Then each component of runoff time series can be reduced to the linear subsystem, that is, ARMA model can be obtained in each subsystem. Actual flood hydrograph of the every two major gauging stations in the Han River basin, the Naktong River basin and the Kum River have been analyzed, and have taken out the characteristics of each river basin. Also the runoff model have obtained for these basins.

      • KCI등재

        브랜드 친숙도와 인지욕구에 따른 광고 반복의 설득효과

        김요한 한국방송광고공사 2008 광고연구 Vol.0 No.78

        이 연구의 목적은 광고 반복효과를 조절하는 변인으로 브랜드 친숙도와 소비자 인지욕구의 영향력을 검토하는 것이다. 이를 위해 이 연구에서는 205명의 대학생을 대상으로 광고 반복수준(1회/3회/6회 노출), 브랜드 친숙도(고친숙/저친숙), 소비자 인지욕구(고/저)에 따른 광고태도와 브랜드태도 차이를 분석하였다. 분석 결과, 브랜드 친숙도와 소비자 인지욕구는 모두 광고 반복을 고려했을 때 광고태도와 브랜드태도에 유의한 상호작용효과를 미치는 것으로 나타났다. 친숙한 브랜드는 광고 반복수준이 증가함에 따라 설득효과도 유의하게 증가했으나, 친숙하지 않은 브랜드는 반복수준과 설득효과 사이에 유의한 차이가 나타나지 않았다. 또한 인지욕구가 높은 소비자들은 반복이 증가함에 따라 광고태도가 증가했다가 다소 감소했으나, 인지욕구가 낮은 사람들은 반복이 증가함에 따라 광고태도도 계속 증가한 것으로 나타났다. 이러한 결과는 광고 반복효과에 있어 브랜드 친숙도와 소비자 인지욕구가 주요한 조절변인으로 작용할 수 있다는 것을 보여주고 있다. The purpose of this study was to examine the effects of brand familiarity and need for cognition(NFC) as moderator of repetition in advertising. To achieve this goal, this study adopted the experimental method, and a total of 205 undergraduate students were recruited and asked to watch a print advertisements and then to answer questions about the attitude toward ad(Aad), attitude toward brand(Ab), and NFC. The results of this study were as follows. First, there was significant interaction effects between brand familiarity and repetition level on Aad and Ab. In particular, repetition of ad attributed to an familiar brand showed increased effectiveness; when the ad was attributed to a known, familiar brand, wearout was postponed. Second, there was significant interaction effects between NFC and repetition level on Aad and Ab. Specifically, for high NFC individuals, repetition of ad had inversed-U effects on Aad; for low NFC individuals, repetition of ad had positive effectiveness. These results suggest that brand familiarity and need for cognition may represent an important moderating variable on repetition effect in advertising.

      • 오페라 <돈 카를로>에서 나타난 세 베이스 역할에 대한 연구

        김요한 명지대학교 예체능연구소 2002 藝體能論集 Vol.13 No.-

        This is a study on the roles of three Basses in the opera Don Carlos. Don Carlos was composed by Verdi based on the work of Schiller, a German drama writer. It was performed in 1867 in Paris. Prior to that time, the role of Bass was always limited to the minor role in the opera. Verdi, however, gave a leading role to Bass in Don Carlos. Furthermore, he adopted two more leading Basses in this opera, which has been very rare in the history of opera. Don Carlos is based on a historical event which took place in imperial Spain in the 16th century. In contrary to prior operas, for instance, in Otello, where every other character conflicts with one major character, Otello, all the characters in this opera conflict with one another. The male characters eventually collapse although they are heroes, and the female characters fall into sadness because of an unaccomplished love. Three Basses in this opera are Pillippo Ⅱ, the King of Spain and the main character of this opera, the Grand Inquisitor who is a chief Judge, and a monk. Pillippo Ⅱ is in conflict with his own son over a woman. He also comes into conflict with Inquisitor because of political and religious reasons. His nature is really weak but at the same time typically tyrannical. The Grand Inquisitor is a 90-year old blind person who looks for dissenters all over the Europe and seeks to establish a religious utopia. The monk is the only character in this opera who does not have any conflict with other characters, and comforts Carlos, another main character in this opera. Pillippo Ⅱ appears most frequently in this opera, and Inquisitor and monk follow him in the order. However, regardless of the frequency of appearance on the stage, three Basses respectively leave their own unique images. Don Carlos can be praised from the viewpoint of the completeness of opera. Furthermore, it can be praised for the successful trial that three Basses occupy leading roles in an opera. This research expects that all singers realize how significant they are and how much they can contribute to any performances regardless of types of voice.

      • KCI등재

        미디어 공신력에 따른 특집 기사와 기사형 광고의 효과 비교

        김요한 한국방송광고공사 2007 광고연구 Vol.0 No.75

        광고주들은 전통적 광고의 효과를 감소시키는 불안정한 광고 환경에 대처하기 위해, 자신의 마케팅 메시지를 확산시킬 수 있는 새롭고 다양한 방법을 찾고 있다. 그 중에서도 상대적으로 적은 비용을 들이면서 효과적으로 메시지를 전달하는 수단이 전통적 광고와 미디어 편집 콘텐츠를 혼합한 메시지이다. 본 연구에서는 미디어 공신력에 따라 혼합 메시지 유형간 효과 차이가 나타나는지를 살펴보고자 하였다. 연구가설검증을 위해 본 연구에서는 연구방법으로 실험연구를 선정하고, 메시지 평가와 브랜드 태도를 종속변인으로, 혼합메시지 유형(특집 기사 vs 기사형 광고)과 미디어 공신력(고 vs 저)을 독립변인으로 하는 2×2 요인설계방안을 채택하여 연구를 진행하였다. 연구결과를 요약하면 다음과 같다. 첫째, 특집 기사가 기사형 광고보다 높은 메시지 평가와 브랜드 태도를 이끌어 낼 것이라는 <연구가설 1>은 메시지 평가 중 정보성을 제외하고는 모두 채택되었다. 둘째, 혼합 메시지 유형에 따른 피험자들의 메시지 평가와 브랜드 태도는 공신력이 높은 미디어에서 차이가 더 클 것이라고 가정한 <연구가설 2>는 메시지 정보성을 제외하고는 채택되었다. 즉 특집 기사가 기사형 광고보다 메시지 재미와 브랜드 태도가 높았으며, 이 두 유형간 효과 차이는 미디어 공신력이 높을 때 더욱 큰 것으로 나타났다. 이러한 본 연구의 결과는 광고주와 실무자들에게 메시지 및 비히클 선정에 중요한 시사점을 줄 수 있을 것으로 생각한다. This study focuses on reactions toward the mixture of advertising and editorial content by media credibility. Experimental research was performed to test hypotheses. 180 subjects were conveniently sampled and randomly assigned to each four groups. This study adopted 2×2 factorial design by the message type(theme features vs advertorials) and media credibility(high vs low). Results showed that theme features generated more appreciation and higher brand attitude than advertorials. Furthermore, subjects’reactions toward mixture were influenced by the perceived credibility of the media. Specifically, mixture type had more impact on appreciation and brand attitude in a high credibility of the media than a low credibility of the media. Subjects found theme features more amusing and favorable than advertorials in a highly perceived credibility of the media. However, as opposed to a high credibility of the media, in a low credibility context, the appreciation toward the mixture and brand attitude were not significantly influenced by the mixture type.

      • 농흉 및 합병된 부폐렴성 흉수의 비디오 흉강경 치료

        김요한 건국대학교 의과학연구소 2004 건국의과학학술지 Vol.14 No.-

        Background: Surgical treatment of complicated parapneumonic effusion (PPE) and empyema is controvertial. Video-assisted thoracoscpic surgery in the treatment of complicated PPE and empyema has been demonstrated but has not been well defined. It has not been determined how to choose patients who can be treated with VATS. We report our experience in the thoracoscopic surgical management of complicated PPE and empyema with review of literatures. Material and Method: Between March 1998 and February 2003, 36 patients with complicated PPE and empyema were treated by thoracoscopic surgery. Chest sonography and chest CTscan was performed in all patients before operation. Fibrin clots and fibrinous septation can be detected in early phase of fibrouspurulent stage by chest sonography. Result: Patients consisted of 30 men and 6 women with a mean age of 58.4 years(range 31~78). General anesthesia was used in 26 patients(all double lumen endotracheal tube) and epidural anesthesia in 10 patients. 4 patients were converted to open decortication because the lung could not be mobilized suffiently to reach both the chest wall and the diaphragm. Mean operation time was 81.2±12 minutes. Chest tube was removed after 7.4±1.2 days. There was 1 hospital motality due to sepsis. All the other patients showed good postoperative courses and simple chest film revealed satisfactory lung re-expansion. Conclusion: Thoracoscopic surgery for treatment of complicated PPE and empyema shoud be done as early as possible. And chest sonography was useful in deciding the operation time.

      • 질소산화물 제거를 위한 V₂O_5/TiO₂촉매 코팅된 다공성 실리카 필터의 제조 및 특성

        한요섭,고재철,박영구,김승호,박재구 三陟大學校 2005 論文集 Vol.38 No.-

        The prepared porous support from silica coated with TiO₂ and V₂O_(5) catalysts were studied by selective catalytic reduction of NOx with NH₃ The effects of V₂O_(5) loading, reaction temperature, space velocity and filter-type(disk and sphere) on the characteristics of NOx reduction with NH₃ were mainly investigated. At space velocity 6000h^(-1), reaction temp rature 350℃, V₂O_(5) loading 6.Owt.% and oxygen content 5%, the NOx reduction was higher to about 91%. The efficiency of porous silica on V₂O_(5)/TiO₂ catalytic disk-filter was higher than that of the V₂O_(5)/TiO₂ catalytic sphere-filter. It has been experimentally observed that the V₂O_(5)/TiO₂ catalytic disk-filter has strong resistance of gas flow.

      • Graves 병과 혈청 면역글로불린-E의 연관성

        김현영,박기룡,김성훈,김지연,송수근,최영식,박요한 대한내분비학회 2002 Endocrinology and metabolism Vol.17 No.5

        연구배경: Graves 병은 미만성 갑상선종, 갑상선기능한진, 안구침법 등을 특징으로 하는 자가면역성 질환으로, 갑상선자극호르몬 수용체에 대한 자가항체(TRAb)가 갑상선을 자극하여 발생된다. TRAb는 Graves병 환자의 약 85%이상에서 검출되며 활성화된 TRAb는 대부분 IgE로 알려져 있다. 그러나 최근 Graves병 환자의 갑상선조직과 안구조직에 IgE의 침착과 꽃가루 등에 의한 알레르기성 비염으로 인해 Graves병이 발생하거나 재발된 견우가 보고되어 Graves병의 병인에 IgE의 연관성이 제기 되고 있으나, 국내에서는 이에 대한 연구가 드물다. 본 연구에서는 Graves병에서의 혈청 IgE농도와 Graves병의 병기와의 관계 및 TRAb와 IgE 농도와의 연관성을 살펴보고자 하였다. 대상 및 방법 : 2000년 4월 1일부터 7월 1일까지 고신의료원 내분비내과를 방문한 환자 중 Graves병 46예, 만성갑상선염 6예 및 고신의료원 건강증진센터를 방문한 환자 중 갑상선질환의 병력이나 가족력 및 알레르기성 비염의 병력이 없는 35예의 정상대조군을 대상으로 연구를 시행하였다. TRAb는 갑상선자극호르몬 결합 억제 면역글로불린(TBII)으로 측정하였으며, IgE는 효소면역분석법으로 측정하였다. 결과: IgG인 TBII는 Graves병에서 만성갑상선염과 대조군에 비해 높았으며, IgE 평균농도는 Graves병에서 598.1±1112.9U/mL로 만성갑상선염 환자의 98350±79.7U/mL, 대조군 161.72±194.4U/mL에 비해 높았다(p<0.05). Graves병에서 알레르기성 비염의 발병율은 10.9%(5/46)였으며, Graves 병에서의 혈청 IgE 농도는 알레르기성 비염의 병력이 있는 경우 903.1±1152.2U/mL로 없는 경우 560.8±1117.0U/mL보다 높은 경향을 보였다. Graves병의 병기에 따른 TBII와 IgE 농도의 변화를 항갑상선제로 치료하지 않은 군(비치료군)과 치료한 군(치료군) 및 재발군으로 나누어 비교하였을 때, TBII는 치료군(7.4±18.6%)에 비해 비치료군(49.9±23.9%)과 재발군(21.1±3.1%)에서 높았으며(p<0.05), 혈청 IgE치도 치료군(233.8±432.7U/mL)에 비해 비치료군(758.6±1250.0U/mL)과 재발군(1198.5±1952.1U/mL)에서 높은 경향을 보였다. 항갑상선제로 치료한 치료기간에 따른 TBII와 IgE 농도 변화에서, TBII는 비치료군(49.9±23.9%)과 1년 미만 치료군(24.8±3.8%)에서 1년 이상 치료군(2.22±1.97%)에 비해 높았으며(p<0.05), 혈청 IgE 농도는 비치료군(758.6±1250.2U/mL)에서 1년 미만 치료한 군(158.3±91.5U/mL)과 1년 이상 치료군(252.7±483.4U/mL)에 비해 높았으나 유의하지는 않았다. 결론: Graves 병에서 IgE 농도는 증가되어 있었으며, Graves 병의 각각 다른 병기에서의 혈청 IgE 농도의 변화는 Graves qudd의 경과에 영향을 미치는 IgG인 TBII치의 변화와 유사한 경향을 보였다. 그러나 혈청 IgE와 Graves 병과의 연관성을 알아보기 위해서 IgE와 더불어 CD23항원 등의 다른 검사도 병행하는 전향적 연구가 필요할 것으로 생각된다. Background: It is widely believed that Graves' disease is and autoimmune disorder characterized by the presence of the circulation TSH receptor antibody (TRAb). The majority of the activity of TRAb is of the immunoglobulin G(IgG) class. However, other immunoglobulin such as immunoglobulin E(IgE), may play a rloe in the activity. IgE accumulation has been reported to occur in the thyroid gland and ocular muscles of subjects with Graves' disease. Furthermore, it has been noted that recurrence of Graves' disease can be induced by and allergy to pollen. Because an allergy to pollen is commonly associated with IgE, IgE might play a role in the induction of Graves' disease. Therefore, investigated whether IgE was elevated in Graves' disease, and evaluated the potential relationship between the levels of TRAb and IgE Graves' disease. Methods: Forty-six patients with Graves' disease, and 6 with chronic thyroiditis, diagnosed at the Kosin Medical Center between April, 2000 and July, 2000 were included in this study. Thirty-five persons without thyroid disease or a history of allergic rhinitis were used as normal controls. The level or TRAb was measured using thyrotropin binding inhibitory immunoglobulin (TBII). Serum total IgE was measured using as enzymeimmunoassay method. Test for thyroid function, TBII and total IgE were performed in all cases, and the results statistically analyzed. Results: TBII, as IgG, and the serum IgE level were higher in the patients with Graves' disease, and the levels of the latter were 598.1±1112.9U/mL, 98.5±79.7U/mL and controls 161.7±194.4U/mL in the Graves' patients, those with thyroiditis and the controls, respectively (p<0.05). The prevalence of allergic rhinitis in Graves' disease was 10.9%. The serum IgE level in Graves' disease with, and without, allergic rhinitis were 903.1±1152.2U/mL and 560.8±1117.0U/mL, respectively, although there was no significancant difference between the two groups. According to the clinical stage, the serum TBII level was higher in the untreated Graves', and relapsed patients 49.9±23.9% and 21.1±3.1%, respectively, than in the treated group, 7.4±18.6% (p<0.05). The serum IgE level was higher in the untreated Graves' and relapsed patients 758.6±1250.2U/mL and 1198.5±1952.1U/mL, respectively, than in the treated group 233.8±432.7U/mL, although this was not significant. According to the duration of treatment, the serum TBII levels were higher in the untreated Graves' patients, and those treated for less than 1 year, than in those treated for more than 1 year, with values of 49.9±23.9, 24.8±3.8 and 2.22±1.97%, respectively (p<.05). The serum IgE level was higher in the untreated Graves' disease (758.6±1250.2U/mL) than in the groups treated for less than 12 months (158.3±91.5U/mL) and more than 12 months (252.7±483.4U/mL), but the differences were not significant. Conclusions: The concentration of IgE was high in Graves' patients, and although not statistically significant, the serum igE level in Graves' patients with allergic rhinitis was higher than those without. With regard to the clinical stage of Grave's disease, the change in the IgE level tended to follow that of the TBII. Further study will be required to define the possible role of IgE in the pathogenesis in Graves' disease (J Kor Soc Endocrinol 17:640∼648, 2002).

      • KCI등재

        Papillon-Lefevre Syndrom의 임상 및 미생물학적 검사와 치료

        송요한,김문현,김형섭,김재곤,백병주 大韓小兒齒科學會 1998 大韓小兒齒科學會誌 Vol.25 No.2

        The Papillon-Lefevre Syndrome(PLS), a disease with autosomal recessive inheritance, is characterized by diffuse hyperkeratosis of the palms and soles, mostly prepubertal periodontitis and premature loss of primary and permanent dentition. The etiology of the destruction of periodontal tissues has not been completely clarified. In recent years, two main factors are suggested to be responsible for tooth loss : firstly, the presence of gram negative microorganisms in the periodontal pockets of the patients. The other factor suggested is cellular deficiency in chemotaxic and phagocytic function of neutrophylic granulocytes. Resent data suggestes that mechanical debridement in conjunction with antibiotic therapy may be successful in periodontal management of Papillon-Lefevre Syndrome, particularly if administered early. In this study, a Papillon-lefevre syndrome patient was studied clinically, radiologically, histopathologically and microbiologically. 5 years female patient with gingival swelling and destruction of periodontal structure on the whole dentition were examined and palmar and plantar hyperkeratosis were can be seen. On microbiological analysis, Actinobacillus actino-mycetemcomitans was performed. Concurrently, the children recieved extraction of maxillary anterior teeth and construction of removable prosthetis. The combination of professional oral hygiene care and antibiotic therapy improved the dermatologic and peridontal condition.

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