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      • 갈등상황 제시 유형에 따른 학생 개개인의 물리 개념 변화 과정 경로 분석

        김지나,이영직,권재술 한국교원대학교 과학교육연구소 2000 청람과학교육연구논총 Vol.10 No.1

        본 연구의 목적은 갈등상황을 제시하였을 때, 중학교 학생들의 물리 개념 변화의 경로를 알아보는 것이다. 연구 대상은 부산광역시 소재의 중학교 1학년 274명을 산정하였는데, 사후검사까지 모두 참여한 학생은 257명이다. 검사항문은 논리제시와 현상제시가 용이한 전기와 역학 문항을 각각 5문항씩 선정하였다. 학생들의 물리 개념을 과학적개념과 오개념으로 분류하고 나서, 세가지 유형의 갈등상황을 제시했다. 본 연구에서 사용한 갈등상황으로는 시범기구로 현상을 직접 보여주거나, 논리적인 논증을 제시하거나, 현상을 보여준 뒤 논증을 제시하는 세 가지 갈등 상황을 사용하였다. 갈등상황을 현상, 논리, 현상-논리로 제시한 다음 사후 검사를 실시하였다. 갈등상황을 제시한 다음날 전기와 역학에 대한 수업을 하였다. 개념 변화의 지속성을 보기 위해서 1주일 후와 2개월 후에 같은 문항으로 검사를 실시하였다. 그 검사결과를 토대로, 학생들의 선개념이 과학적개념으로 변하는지 오개념으로 변화하는지를 알아보았다. 본 연구에서는 먼저, 갈등상황을 제시한 직후, 1주일 후, 2개월 후까지 학생들이 물리 개념이 어떤 경로로 바뀌는 지 알아보았다. 두 번째, 오개념을 가진 학생이 갈등상황 제시 2개월 후 과학적개념을 가지게 되는 정적효과와 과학적개념을 가진 학생이 갈등상황 제시 2개월 후 오개념을 가지게 되는 부적효과를 비교해 보았다. 마지막으로, 갈등상황 제시의 특성에 따른 개념변화의 특성을 알아보았다. 역학 문항에서는 현상-논리제시 집단과 현상제시 집단이 긍정적인 효과를 보였으며, 전기 문항에서는 현상-논리제시 집단과 논리제시 집단이 현상제시 집단에 비해 긍정적인 결과를 나타내었다. 이것은 역학 문항은 물리적 현상에 좀더 관련이 있는 반면, 전기 문항은 좀 더 추상적이기 때문으로 본다. The purpose of the study is to understand the change process of middle school students' physics conceptions by the presented types of conflict situations. 274 middle school students were selected from one school in Pusan, however 257 students were participated in all the procedure of the study. After we classified students' physics conceptions into scientific and unscientific conceptions, presented three types of conflict situations. In this study three different cognitive conflict strategies were adopted; the first one is logical arguments(LCS: logical conflict situation), the second is actual demonstration(DCS: demonstrational conflict situation), and the third is two strategies together(DLCS). In this study, first, we investigated the change process of students' physics conceptions by three types of conflict situations. Second, we compared the effect of three conflict situations presentation, which includes positive effect by conceptual change from misconception to scientific conception and negative effect by conceptual change from scientific conception to misconception. Third, we studied characteristics of conceptual change by characteristics of conflict situations. In result, DLCS group and DCS group were more positive effect than LCS group in mechanics, DLCS group and LCS group were more positive effect than DCS group in electricity. It seems that mechanics are closely related to physical experiences, while electricity are more abstract.

      • KCI등재

        장소마케팅에서 공간 스토리텔링의 중층 구조에 관한 연구 - 미국 솔뱅시와 한국 제천시를 중심으로

        김지나,한소영,조경진 한국도시설계학회 2015 도시설계 : 한국도시설계학회지 Vol.16 No.3

        The aim of this paper is to suggest an alternative to current phenomenon, which a local area is divided into a tourist spot and a non-tourist spot due to a spatial storytelling strategy in place marketing that focuses on the development of tourist attractions. Based on Dean MacCannell’s frontstage and backstage theory which explains a multi-layered social structure of local area, we identified the possible existence of buffer zones between the tourist spot and non-tourist spot. According to this idea, we suggested a multi-layered structure for spatial storytelling strategy. We examined Solvang, U.S.A. and Jecheon-si, Korea in order to verify the applicability of the multi-layered structure. The result showed that the frontstage has a value in promoting story of the area, while the backstage has a value as the origin of the story. Furthermore, the paper proposes that tourists visiting only the frontstage and the local peoople staying in the backstage can interact each other and share stories of the area in “decorated frontstage” and “cleaned backstage.” To develop these places, the strategy for improving the sustainability of the tourist spot and promoting the ordinary space is required, which can also offer an alternative to the current spatial storytelling strategy. 본 연구는 장소마케팅 공간 스토리텔링 과정에서 스토리가 되는 콘텐츠개발에 집중함으로써 나타나는 관광지와 비관광지의 분리현상에 대안을 모색코자 하였다. 사회학자 MacCannell의 전면부와 후면부 이론에서 관광지(전면부)와 비관광지(후면부)의 완충 역할을 하는 공간이 존재할 가능성을 발견하고, 이를 기반으로 지역 공간 스토리텔링에 적용할 수 있는 중층 구조를 제시하였다. 실제 적용 가능성 확인을 위해 미국의 솔뱅시와 우리나라 제천시를 대상으로 사례연구를 진행하였다. 사례 연구 결과 전면부와 후면부는 스토리의 전면화와 스토리의 근원이라는 그 자체로서 분명한 존재의 당위성이 있음을 확인 할 수 있었다. 관광지와 비관광지를 분리시키지 않고 공간 스토리텔링의 한계를 극복하기 위해서는 관광객과 지역주민이 이야기를 공유할 수 있는 치장된 전면부및 정돈된 후면부가 필요하며, 관광지는 보다 지속적으로 유지될 수 있는 전략을, 그리고 일상공간은 보다 외부에 지각될 수 있는 전략을 지향함으로써 이러한 공간을 창출할 수 있다.

      • KCI등재

        Primary B-cell Lymphoma of the Thyroid Featuring the Different Ultrasonographic Findings

        김지나,최윤정,김동훈 대한영상의학회 2009 대한영상의학회지 Vol.60 No.6

        We review here 3 cases of primary thyroid lymphoma that we experienced during the past 5 years (age range: 39-55, all of the patients were female). The clinical and various ultrasonographic characteristics together with the other imaging modalities of primary thyroid lymphomas are described. The clinical features at presentation for one patient were a goiter with rapid growth and this was accompanied by compressive symptoms. The tumors of the other 2 patients were incidentally found during screening thyroid ultrasound exams. The pathologic studies of 2 cases showed a diffuse B-cell lymphoma with associated Hashimoto’ thyroiditis and one case was a B-cell lymphoma of the MALT type. An extra-thyroid extension was shown in one case. The treatments included surgery alone for two cases, and chemotherapy and radiation therapy for one case. A US exam of thyroid lymphoma can show various morphological features, and US-CNB is helpful for diagnosing thyroid lymphoma.

      • KCI등재

        Analysis of Bone Mineral Density in Multiple Myeloma: A Comparison of Bone Mineral Density with Plain Radiography, Magnetic Resonance Imaging, and Clinical Staging

        김지나,권순태,송익찬 대한영상의학회 2013 대한영상의학회지 Vol.68 No.1

        Purpose: To analyze the bone mineral density (BMD) in multiple myeloma (MM) and to compare BMD with plain radiography, MRI and clinical stage. Materials and Methods: We reviewed 59 patients with MM and an age- and sex-matched control group, with measured BMD. The L-spine and femoral neck (FN) BMD were measured by dual-energy X-ray absorptiometry. Lateral plain radiographs of the L-spine were graded as 3 stages using the modified Saville index. Four bone marrow patterns were classified on sagittal T1- and T2-weighted magnetic resonance images of the L-spine. BMD in the MM and control group were analyzed. BMD in MM was compared with the modified Saville index, bone marrow patterns on MRI, and clinical stages. Results: In MM, spine BMD was reduced and the difference between spine and FN BMD was larger than the control group (p < 0.001). The modified Saville index was negatively correlated with spine T scores (p < 0.01). The spine BMD in normal marrow pattern on the MRI was the most reduced. There was no statistical correlation between BMD and clinical stage. Conclusion: In MM, spine BMD was significantly reduced and the difference between spine and FN BMD was larger than the control group. The modified Saville index was significantly correlated with spine BMD in MM.

      • KCI등재

        Imaging Findings of Malignant Fibrous Histiocytoma of the Breast: A Case Report

        김지나,국신호,곽현주,최윤정,손진희,박용래,김진효 대한영상의학회 2010 대한영상의학회지 Vol.62 No.3

        A malignant fibrous histiocytoma (MFH) is the most common soft tissue sarcoma encountered during adulthood, but the breast is not a common site of involvement for MFH. Several investigators have reported the histopathological and biological features of a MFH involving the breast, but only a few reports have focused on the imaging findings of breast MFHs. To emphasize the importance of arriving at a preoperative diagnosis for the treatment implications, we report here the imaging findings, including the mammography, US and MRI findings, for a MFH of the breast of a 53-year-old woman who presented with a rapid growing huge mass in the right breast.

      • KCI등재

        화상으로 입원한 여성 근로자의 화상유형 및 발생원인, 치료적 특성

        김지나,강희선 한국직업건강간호학회 2016 한국직업건강간호학회지 Vol.25 No.2

        본 연구의 목적은 산업재해 화상으로 입원한 여성근로자의 화상관련 특성을 파악하는 것이다. 본 연구는 후향적 조사연구이다. 연구 대상자는 2012년 1월 1일부터 2014년 12월 31일까지 급성화상을 주 호소로 입원한 19세 이상의 산업재해 여성 화상 환자로 총 222명이다, 자료는 화상관련 특성에 대해 전자 의무기록을 이용하여 수집하였고, 기술적 통계 분석하였다. 대상자 대부분은 40대와 50대이었다. 대상자들의 화상 정도는 체표면 10% 미만의 화상(84.6%)과 2도 화상(73.8%)이 가장 많았고, 화상부위는 하지가 많았다. 화상유형 중 열탕화상이 가장 많았고, 접촉화상은 3도 화상이 많았고, 화상부위는 주로 손과 손목부위이었다. 화염화상은 화상범위가 가장 컸으며 안면부 화상이 많았으며, 주로 난로나 가스 폭발로 인해 발생했다. 화학화상은 하지 부위가 많았다. 여성근로자들은 산업장에서 근무하는 중에 화상 위험에 노출되어 있다. 화상의 유형은 근무지의 근무 환경에 따라 다르다. 그러므로 화상 피해를 위한 예방 수단은 여성근로자가 근무하는 각각의 사업장에 맞게 마련되어야한다. Purpose: The purpose of this study was to examine the burn characteristics of female patients hospitalized in a burn center. Methods: This is a retrospective descriptive study. The subjects were 222 female patients aged over 19 years old having burn injuries from work sites between January 1, 2012 and December 31, 2014. Data were collected using electronic medical records about the burn-related characteristics. The data were analyzed descriptively. Results: Many of the subjects were in their forties and fifties. Most subjects showed burns with an area of less than 10% of the body surface with a severity of second degree. Scalding burns were the most frequent. Contact burns were usually of third-degree severity and occurred on hands and wrists. Flame burns affected the largest body surface area and frequently occurred on the face and mainly caused by explosion of a stove or kitchen gas. Chemical burns frequently occurred on the lower limbs. Conclusion: Female workers are exposed to the hazards of burn injuries in industrial accidents. Types of burn differ depending on the workplace conditions. Therefore, preventative measures for burn injuries should be established in accordance with the characteristics of each industry to which female workers belong.

      • KCI등재

        사회생태적 회복탄력성의 관점을 통해 본 DMZ 접경지역의 커뮤니티 기반 관광

        김지나 국토연구원 2018 국토연구 Vol.98 No.-

        DMZ border region is always at the risk of uncertainty though famous for ecotourism. This research analyzed the significance and present problems of community-based tourism(CBT) in Yanggi-ri, the village of migratory birds in DMZ border region. It was according to Ruiz-Ballesteros(2010)’s classification of socio-ecological resilience of CBT. I participated in important events of the village and conducted interviews with the residents. Residents manage the CBT based on the ecological and cultural resources of the village. Experts, artists, and NGO activists from the outside of the village also contribute to the positive outcomes of the CBT. However, several problems were found out, such as lack of capacity to launch new tourism programs, absence of outside specialists’ continuous engagement, difference of opinion between residents and the outside specialists, and high reliance on one leader of the village. In order to improve the current situation and enhance the sustainability of the community and ecological environment in DMZ border region, it is necessary to plan the public support on cultural and arts programs of the community, to set various channels for the public opinion about the value of the region, and to open up the participation of outside specialist to utilize local resources. DMZ 접경지역의 농촌마을들은 생태관광지로 주목을 받고 있지만 고령화, 시장악화, 급변하는 남북관계 등으로 항상 불확실성에 노출되어 있다. 이에 본논문은 커뮤니티 기반 관광의 사회생태적 회복탄력성을 분석한 Ruiz-Ballesteros(2010)의 분류에 따라, DMZ 접경지역 농촌마을의 커뮤니티 기반 관광 운영의 현황과 의의, 당면과제를 분석하였다. 연구대상지는 철원의 양지리철새마을이며, 마을에서 일어나는주요 행사에 참여하면서 주민과의 심층면담을 실시하였다. 양지리철새마을은 생태적, 문화적 고유성을기반으로 마을주민들이 주체적, 집합적으로 참여하여 커뮤니티 기반 관광을 이끌어가고 있으며, 외부에서도 다양한 전문가들이 유입되어 긍정적인 효과를이끌어내고 있다. 하지만 새로운 사업을 추진할 역량부족, 외부 전문가 참여의 지속성 부재 및 마을주민과의 가치관 차이, 마을 리더 개인에 대한 의존성이문제점으로 파악되었다. 이를 극복하고 DMZ 접경지역의 마을공동체와 생태환경의 지속가능성을 제고하기 위해서는 커뮤니티와 연계한 문화예술프로그램지원, 지역가치에 대한 다양한 방식의 공론화, 지역자원 활용을 위한 외부전문가 참여의 개방성 확대가필요함을 제안하였다.

      • KCI등재

        百會(GV20) 단순 자침과 전침 자극이 정신적 스트레스를 가한 정상 성인의 심박변이도에 미치는 영향 비교

        김지나,이지수,홍정수,김수정,문성일 대한침구의학회 2012 대한침구의학회지 Vol.29 No.3

        Objectives : This study was performed to investigate the effect of simple acupuncture and electroacupuncture at Bai Hui(GV20) on heart rate variability in healthy adults with stress task. Methods : 40 healthy volunteers participated in this study. HRV was recorded before and after stress. And then simple acupuncture(SA group) was applied at GV20 or electroacupuncture(EA group) was applied at the same spot in each treatment group for 20 minutes. No treatment was performed in control group for 20 minutes. Then HRV was recorded. Results : 1. In all groups, LF norm, LF/HF, HF norm showed significant changes after mental stress. 2. Control group showed no significant change. In SA group, HF norm LF, LF norm and LF/HF showed a significant change after treatment. In EA group, Mean HR, HF, LF norm, HF norm and LF/HF showed a significant change after treatment. In both treatment groups, there were significant differences after treatment compared to control group. 3. In EA group, HF and HF norm decreased significantly after treatment compared to SA group. Conclusions : These results suggest that simple acupuncture and electroacupuncture at GV20 affect the balance of the autonomic nervous system and that electroacupuncture at GV20 enhances parasympathetic activation more than simple acupuncture.

      • F-154 Viral infections in lower airways of acutely exacerbated adult asthmatics

        김지나,박종숙,김명신,서기현,어수택,김용훈,박춘식 대한결핵 및 호흡기학회 2016 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.121 No.-

        Asthma is frequently complicated with acute exacerbation by viral infection. There have been few reports on the causative virus in exacerbation of Korean adult asthmatics. Thus, we investigated the kinds of respiratory virus detected in sputum of acutely exacerbated patients. We obtained sputum from asthmatics with manifestation of respiratory infection including increased amount of sputum and cough from June 2009 to June 2014 by a biobank in Soonchunhyang University Bucheon Hospital. 7 respiratory viruses were detected using the Seeplex® RV 7 Detection kit. The respiratory manifestations were divided into two conditions: exacerbated or non-exacerbated state according to decrease of FEV1. In 259 patients, 210 patients underwent a single examination of sputum, and the other 49 patients underwent multiple examinations (2-4 times) with a total of 323 cases. In the 68 exacerbated cases, rhinovirus was most commonly detected(8.1%), followed by influenza A(5.0%), PIV(4.2%), RSV(3.1%), AdV(3.1%), hMPV(1.9%), and influenza B(0.4%). In the 11 non-exacerbated cases, rhinovirus was most common( 11.1%). 26 patients underwent 2 times examination of virus at the exacerbated condition, and the detection rate was 30.7% at each time. The detection rate of virus was highest in March (44%) and February(45%). Lower respiratory viral infections were associated with exacerbation of asthma. Rhinovirus and Influenza virus were the leading agents identified in asthma, which could be conferred the information for prevention and perhaps the treatment of these conditions. Fund code: 2015-ER7402-00.

      • KCI등재후보

        한국 성인 여성에서 심혈관대사 위험인자와 사구체여과율 저하의 관련성

        김지나,이지원,강서영,박혜순 대한가정의학회 2020 Korean Journal of Family Practice Vol.10 No.2

        Background: Decreased glomerular filtration rate (GFR) was associated with increased mortality and decreased quality of life in previous studies. In Korean adults, the prevalence rates of cardiometabolic risk factors are higher in women than in men after middle age. We evaluated the association between cardiometabolic risk factors and decreased GFR in Korean women. Methods: We evaluated 2,339 subjects using data from the Korea National Health and Nutrition Examination Survey VII-1 (2016) after excluding participants with GFRs of <15 mL/min/1.73 m2. Normal GFR was ≥60 mL/min/1.73 m2, and decreased GFR was 15–59 mL/min/1.73 m2. Socioeconomic status, lifestyle factors, body mass index, waist circumference, and comorbidities were evaluated to analyze the association between cardiometabolic risk factors and decreased GFR. The odds ratio (OR) and 95% confidence interval (CI) were calculated using multivariate logistic regression analyses. Results: As age increased, the OR for decreased GFR increased. In comparison with women with waist circumferences of <85 cm, the women with waist circumferences of ≥85 cm (OR, 1.94; 95% CI, 1.22–3.10) had a significant increase in the OR for decreased GFR. In women with diabetes mellitus, the OR for decreased GFR significantly increased (OR, 3.14; 95% CI, 1.70–5.81). Conclusion: Decreased GFR was associated with age, abdominal obesity, and diabetes mellitus in Korean women. Control of abdominal obesity and appropriate management of diabetes mellitus are needed to prevent chronic kidney disease in Korean women. 연구배경: 사구체여과율(glomerular filtration rate, GFR)의 저하는 사망률 증가 및 삶의 질 저하와 관련이 있다. 이번 연구에서는 2016년 국민건강영양조사 자료를 이용하여, 40세 이상 한국 성인 여성을 대상으로 심혈관대사 위험요인과 저하된 사구체여과율의 관련성을 살펴보고자 하였다. 방법: 2017년 국민건강영양조사 자료를 이용하여 40세 이상 성인 여성 중 GFR<15 mL/min/1.73 m2, 간경화, 암 유병자, 저체중을 제외한 2,339명을 대상으로 사구체여과율에 따른 심혈관대사 위험요인을 분석하였다. 정상 사구체여과율은 GFR≥60 mL/min/1.73 m2로, 저하된 사구체여과율은 GFR 15–59 mL/min/1.73 m2로 정의하였다. 저하된 사구체여과율과 심혈관대사 위험요인과의 관련성을 분석하기 위해 인구통계학적 변수, 생활습관 요인, 동반질환을 변수로 다변량 로지스틱 회귀분석을 시행하여 교차비와 95% 신뢰구간을 구하였다. 결과: 성인 여성에서 연령의 증가는 사구체여과율 저하와 유의한 관련성을 보였다. 허리둘레 85 cm 미만군보다 85 cm 이상군에서 저하된 사구체여과율의 교차비는 1.94 (95% 신뢰구간, 1.22–3.10)로 유의하게 높았으며 당뇨가 없는 군에 비해 당뇨가 있는 군에서 사구체여과율의 교차비가 3.14 (95% 신뢰구간, 1.70–5.81)로 높았다.결론: 40세 이상 한국 성인 여성에서 복부 비만과 당뇨는 사구체여과율 저하의 위험을 높일 수 있으므로 한국 성인 여성에서 복부 비만의 관리와 적절한 당뇨 조절은 사구체여과율 저하를 예방할 수 있을 것이다.

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