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      • 3㎾ 멀티스트링 태양광 인버터 설계 및 시뮬레이션

        이종인(Lee Jong-In),유병규(Yu Beyng-Gyu),유권종(Yu Gwen-Jong),김흥근(Kim Heung-Geun) 한국태양에너지학회 2009 한국태양에너지학회 학술대회논문집 Vol.2009 No.11월

        The Power Conditioning System is Power Transfer System which make array DC current to the Grid sinusoidal current. These are Low Frequency Transformer Inverter Type, High Frequency Transformer Inverter Type and Transformer-less Type. Low Frequency Transformer Type has a Excellent Isolation property, but doesn't have competitiveness in Size and Cost. Also High Frequency Transformer Type has a good Isolation property but there are many steps in Power transfer Switching. Nowadays, Transformer-less Type inverter change a transformer to DC/DC Converter which is small and cost effective. In this paper shown the DC/DC Converter Transformer-less Type multi-string inverter design and simulation. The Control Algorithm will be introduced and Simulation was accomplished.

      • 화재 원인과 관계자 책임에 관한 사례연구

        이종인(Jong-In Lee) 국립소방연구원 2020 소방안전연구 Vol.1 No.1

        화재가 발생하면 화재 원인을 규명하기 위해 국가기관이 획일적으로 현장을 감식하여 증거를 수집하고 감정을 통하여 화재 원인을 규명한다. 국가기관의 화재 원인 규명은 결론이 같아야 하고, 다를 경우 정보를 공유하여 사실관계를 증명하여야 한다. 하나의 화재 사례를 분석한 본 연구에 의하면, 화재 원인에 따라 책임 관계가 달라지고 가해자와 피해자로 나뉘기 때문에 정확한 화재 원인 규명을 위해 감식과 감정을 통하여 오류를 최소화할 수 있다. 오류가 있다면 재조사할 수 있는 법령을 제정하여 국민의 억울한 피해가 없도록 하여야 하며, 증명된 증거만으로 화재 원인을 판단하여야 하고, 보충적으로 전문가로 구성된 민, 관, 산, 학이 현장을 조사할 수 있는 화재조사 제도의 도입이 필요하다. In the event of a fire, a national agency inspects the scene, collects evidence, and assesses and identifies its cause. In the investigation of the cause of fire, the state agency involved in the investigation should offer consistent conclusions. In case of conflicting conclusions, the facts of the case must be established by sharing the relevant information. The findings of this study suggest that the responsibilities of the respective parties involved in a fire accident vary depending on the cause of the fire. The cause of the fire also affects the determination of which parties are at fault, and which parties are the victims. Therefore, errors should be minimized through scene investigation and assessment to accurately determine causes of fire. A law needs to be enacted that provide for re-investigation in case of an erroneous investigation. In addition, the cause of a fire should be determined solely based on substantiated evidence. It is also necessary to introduce a fire investigation system in which experts from the public sector, the private sector, the academia, and the industries are allowed to investigate the scenes of fire.

      • KCI등재

        연구논문 : 강간폭로, 순결, 결혼: 재미한인여성들의 사유(思惟)

        이종인 ( Jong In Lee ) 한국문화인류학회 2007 韓國文化人類學 Vol.40 No.2

        Rape constitutes the most under-reported crime in the United States, particularly among Asian-American women. Unreported rapes impede intervention, victim supports, and the social recognition and information necessary for policy-making. Addressing these problems, this study explores ethnic cultural impediments to Korean-American women`s disclosure of rape, using both qualitative and quantitative research methods. Qualitative data for this study were collected between 1994 and 1999 from in-depth interviews with 36 Korean-American women and three counselors working in Korean-American communities. Quantitative data were collected in May of 2000 from self-administered surveys with 219 Korean-American women. Correlation analyses of the survey data suggest that the women`s concerns about marriage would decrease their likelihood of reporting a rape incident if it occurred. Marital concerns included the possibility of decreasing marriage prospects for single women, and concerns of potential conflicts or even diss olution of marriage, if already married. In contrast, the women`s concerns about security would increase their likelihood of reporting a rape incident if it occurred. The marital concerns reflected the power of ethnic cultural strictures on female sexuality. The women cared about Korean or Korean-American mens` demand for a woman`s untainted virginity and sexual commitment to one husband. The women were also concerned about marriageability, because of the importance of marriage as a providing for a woman`s legitimate sexual expression, child-bearing, security and her social or symbolic status. The power of Korean cultural models was enforced by a set of ideological, institutional, and material conditions. They included Confucian and Christian restrictions on female sexuality and ways of living, preference for intra-ethnic marriage, male-oriented marriage for the purpose of raising a family, and Korean-American women`s ethnic and class statuses. In conclusion, Korean-American women`s likelihood of disclosing a rape incident are discouraged by the masculine ideals emphasizing the value of a woman`s sexual purity in marriage. These findings suggest that social service providers for a Korean-American female rape victim should be sensitive about incorporating her Korean or Korean-American male partner into the process of providing support for the victim. These findings also suggest that it is necessary to change the masculine strictures on female sexuality in order to encourage women to disclose the occurrence of a rape. A new and alternative cultural norm of a Korean American woman`s sexuality would enable her to express her sexual subjectivity.

      • KCI등재후보

        고립성 폐결절에 관한 임상적 고찰

        이종인 ( Lee Jong In ),이상수 ( Lee Sang Su ),원구태 ( Won Gu Tae ),안강현 ( An Gang Hyeon ),이성우 ( Lee Seong U ),백순구 ( Baeg Sun Gu ),김승률 ( Kim Seung Lyul ),용석중 ( Yong Seog Jung ),신계철 ( Sin Gye Cheol ),정순희 ( Jeong 대한내과학회 1993 대한내과학회지 Vol.44 No.2

        Background : Because there aremany different reporting results about the etologies of solitary pulmonary nodules (SPNs), we cannot know the exact incidence of each causative disease. SPNs have a good prognosis relatively even if it is a malignant lesion. In Korea, where there is a high incidence of pulmonary tuberculosis, the differential diagnosis of SPNs should be performed. Methods : Among 351 patients who visited Wonju Chistian Hospital for SPNs in chest x-ray between 1982 and 1989, we evaluated 74 patients in whom the causes of SPNs could be elucidated by sputum AFB study, cytology, histolgic study, chest of solitary pulmonary nodule (SPN) seen at the Wonju Christian Hospital from 1982 to 1989. The followings were obtained. 1) The malignancies of SPN 74cases were 25 cases (33.7%). The primary lung carcinomas were 24 cases : The epidermoid carcinomas of these were 11 cases (45.8%), metastasis I case, tuberculoma 42 cases, and the other 7 cases. 2) The age distribution of benign lesions was from 19 to 73 years old with the mean age of 46 years old, and the age distribution of malignancies was from 17 to 77 years old with the mean age of 57 years old. The 23 cases (92.0%) of malignant nodules were more than 40 years old. The malignant frequency of SPN in a group of age more than 40 years old was 40.3% and in a group of age less than 40 years old, it was 11.7%. The malignant frequency was directly proportional to the increase of age(p<0.05). 3) The 3 cases of SPN were detected accidentally during physical up, all were benign. The 14 cases were detected during the evaluation of other diseases, 12 cases were benign. The 23 cases (40%) of 57 cases were symptomatic. Chest pain, dyspnea, and weight loss frequency in a group of less than 3cm in size was 11.9% and in a group of less than 3cm in size, it was 62.5% (p<0.05). 6) Calcifications were noted in 15 cases of 74 cases on the plain films, all were 7 central types, 7 diffuse types and 1 popcorn type. One of malignant cases had calcification on the chest CT scar. Among the 59 cases with non-calcified nodules, 25 cases were malignant (42.3%). The mean Hounsfield Unit of benign lesions was 182.5U and that of malignancies was 94U, there was a statistical difference between both groups(p<0.01). 7) The 21 cases (50%) of tuberculomas were located at the apicoposterior segment of upper lobe or the superior segment of lower lobe, but the 7 cases (28%) of malignancies were located at above sites. 8) The diagnostic accuracy of sputum study was 9.4% and that of fiberoptic bronchoscopy (FOB) was 33.3%. The diagnostic accuracy of transbronchial lung biopsy (TBLB) and transthoracic needle aspiration biopsy (TTNAB) was 57.4%. The percentage of primary lung cancer among SPNs which are larger than 3cm in size, occurring in the age of older than 40 years old and with no calcifications on radiologic examintion should be suspected as malignancies and diagnosed with sputum study, fiberoptic bronchoscopy, TBLB, and TTNAB.

      • KCI등재

        농업 경영,정보분야의 미래유망기술 및 전략기술에 관한 우선순위 재설정 연구

        이종인 ( Jong In Lee ),정윤필 ( Yun Pil Jung ),신동철 ( Dong Cheol Shin ),노성훈 ( Sung Hoon Ro ),조근태 ( Keun Tae Cho ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2009 강원 농업생명환경연구 Vol.21 No.-

        The study was focused on setting priority for future core technologies in agricultural Management & Information using AHP. 20 technologies were derived by specialists meetings. Evaluation criteria for the priority setting were decided as `technology`, `market oriented`, and `public concerns`. 10 specialists in agricultural processing answered the questionnaire for AHP. As the results, `market oriented` was decided as the most important evaluation criterion. `Technology realization` in `technology` criterion, `investment profit` in `market oriented` criterion, and `spillover effects on industry` in `public concerns` criterion were decided as sub-criteria in each criterion. The most important technology was construction of effective qualify certification system for friendly-environmental Agricultural Products.

      • KCI등재

        5, 18 광주민주화운동 관련인물의 미국에 대한 인식: 윤한봉과 윤상원을 중심으로

        이종인 ( Jong In Lee ) 전북대학교 사회과학연구소 2012 지역과 세계 Vol.36 No.2

        The year of 1979, the world politics were undergoing upheavals with a series of historic events. The Chinese invasion into Vietnam came on the morning of 17 February 1979 and the Soviet Union attack on Afghanistan took place in the very same year. Korea was no exception. On October 26th, 1979, the President of South Korea, Park Chung Hee and five others including the president`s bodyguard were shot dead by the chief of his intelligence service, Kim Jea Kyu. The Yushin regime was overthrown following President Park`s assassination. After this tragic incident, with rise of the New Military Regime, a series of historic events such as the 12.12 Military Insurrection, the military coup in 1980 and the May 18 Gwangju Democratic Movement took place in Korea. The Gwangju Democratic Movement, which was first disregarded, is now seen as one of the most important pro-democracy movements. On March, 1982, Korean college students set a fire in the U.S. Culture Center. This served as a catalyst in fueling anti-Americanism among Koreans. It also clearly showed dramatic changes in Koreans` attitude toward the U.S. after America took part in the genocide in Gwangju, a Southern Korean city, in 1980. What happened in the city was not just a reminder of the New Military Regime or the uprising against the military government but also the U.S.`s role in the tragic event. While reading books on the subject of the Gwangju democratic movement, I found two different persons who excited my scholastic curiosity. The two, Yoon Han Bong,the last wanted man involved in the Gwangju democratic movement and Yoon Sang Won, a citizen soldier of the movement, led very different lives but shared something in common. The purpose of this paper is to shed new light on the role of the U.S. in the Gwangju democratic movement, based on the two important figures` geopolitical perception in line with the movement. The true meaning of liberal democracy could be found in the death of Yoon Sang Won who dedicated his life to liberal democracy. After all, his strong commitment toward democracy was later carried out by Yoon Han Bong who suffered from the guilt conscience for not participating in the Gwangju democratic movement. The paradoxical link between the two important figures needs to be reexamined in terms of academic diversity.

      • KCI등재SCOPUS

        불임환자 치료에 있어 FSP와 IUI 시술방법에 따른 비교

        이종인(Jong In Lee),허영문(Young Moon Hur),전은숙(Eun Sook Jeon),윤정임(Jung Im Yoon) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.12

        Objective : To investigate the efficiency of fallopian tube sperm perfusion in comparision with conventional intrauterine insemination. Method : From November 1998 to October 1999, 194 patients, undergone 219 cycles were enrolled in this study. After ovulation induction with three different protocols, (ⅰ)CC alone or CC+hCG ⅱ)CC+HMG+hCG ⅲ)FSH or HMG alone+hCG) or natural cycle, fallopian tube sperm perfusion(FSP)(n=104) was performed and its result was compared with conventional intrauterineinsemination (IUI)(n=115). Results : In this study, causes of infertility include ovulatory dysfunction (n=32), unexplained infertility(n=107), endometrial factor(n=18), and cervical factor(n=29). Pregnancy rates in the patients received IUI were 29.4% for ovulatory dysfunction, 17.5% for unexplained factor, 14.3% for endometrial factor, 31.5% for cervical factor and 25.0% for tubal factor. Pregnancy rates in the patients recieved FSP were 26.7% for ovulatory dysfunction, 38.0% for unexplained factor, 36.4% for endometrial factor, 30.0% for cervical factor and 18.2% for tubal factor. Total pregnancy rates in the FSP group and IUI group were 34.4%(32/93) and 22.8% (23/101) respectively. Especially, FSP offered significantly high pregnacy rate for the treatment of unexplained infertility. Conclusion : This study suggests that FSP be not only simple non-invasive method but also very effective one. We conclude that FSP is superior to conventional IUI in the patients with unexplained infertility.

      • KCI등재

        해안공학분야에서 2차원 수리모형실험을 위한 실험파 설정방법: 불규칙파 대상

        이종인(Jong-In Lee),배일로(Il Rho Bae),김영택(Young-Taek Kim) 한국해안해양공학회 2021 한국해안해양공학회 논문집 Vol.33 No.6

        해안분야 실험은 복잡하며, 여러 요소들을 고려해야 한다. 성공적인 수행에는 경험이 중요한 요소가 되기도 하며, 조파기 및 계측기의 성능향상 등으로 지속적으로 발달되어 왔다. 수리실험은 구조물의 안정성 및 해안수리학적 특성 검토 분야에서 수치실험에 비해 직관적인 관찰이 가능하다는 장점이 있다. 그러나 모형축척, 실험시설 및 장비와 실험 수행자의 판단 등에 의해 서로 다른 결과가 도출될 수도 있다. 본 연구에서는 수리실험에 있어 가장 기본이면서 중요한 실험파(불규칙파) 설정을 위한 지침을 제안하기 위해 2차원 실험을 수행하였다. 실험을 통하여 주파수 스펙트럼을 활용한 불규칙파의 설정방법 및 입사파고의 범위[(HS)M/(HS)T = 1~1.05]에 대하여 제시하였다. 제안된 실험파 설정 지침은 실험결과의 신뢰도 향상에 기여할 수 있기를 기대한다. The experiments in coastal engineering are very complex and a lot of components should be concerned. The experience has an important role in the successful execution. Hydraulic model experiments have been improved with the development of the wave generator and the advanced measuring apparatus. The hydraulic experiments have the advantage, that is, the stability of coastal structures and the hydraulic characteristics could be observed more intuitively rather than the numerical modelings. However, different experimental results can be drawn depending on the model scale, facilities, apparatus, and experimenters. In this study, two-dimensional hydraulic experiments were performed to suggest the guide of the test wave(random wave) generation, which is the most basic and important factor for the model test. The techniques for generating the random waves with frequency energy spectrum and the range for the incident wave height [(HS)M/(HS)T = 1~1.05] were suggested. The proposed guide for the test wave generation will contribute to enhancing the reliability of the experimental results in coastal engineering.

      • KCI등재

        자가골 이식에서 이식골편의 처리방법에 따른 골형성능력 비교

        이종,송하나,김남수,최인혁,Lee, Jong-Il,Song, Ha-Na,Kim, Nam-soo,Choi, In-hyuk 대한수의학회 2007 大韓獸醫學會誌 Vol.47 No.1

        Bone graft had been investigated previously to restore bone defects in orthopedics. The purpose of this study was to investigate the efficacy on new bone formation in bone autografts by treatment of implants. Cortical bone autografts were transplanted to midshaft of diaphyseal fibulae of 9 rabbits which were divided in 3 groups according to the treatment method of implants. Cortical bone implants for graft were treated with 3 different methods; freezing, freeze-drying, defat-freezing. Autografts were achieved by cross-transplantation method to bilateral fibulae of the presented rabbits after implant treatment procedures. The grafted regions of fibulae of all groups had been radiographed biweekly for 16 weeks to observe new bone formation and union between donor and recipient bone in the grafted region. Bone alkaline phosphatase (BALP) in all groups was evaluated biweekly till the end of the experiment to determine osteoblast activities. Unions of the experimental grafted regions were observed at 83% (5 of 6 cases) of freezing, 17% (1 of 6 cases) of freeze-drying and 67% (4 of 6 cases) of defat-freezing autografts, respectively. BALP was increased over 100% after 2 weeks of graft procedures in all union cases (all cases in freezing group and in defat-freezing group, and 1 of 3 in freeze-drying group, respectively), then gradually decreased from 4 th week of graft to 16 th week. In non-union cases, there is no significant variation in BALP value until the end of experiment. It is speculated that defat-freezing method of treatments of implants is more safe to preserve the osteogenic ability in autograft than freeze-drying method.

      • KCI등재

        방송의 시사·보도 프로그램의 다양성 연구: 패널의 속성을 중심으로

        홍주현(Ju-Hyun Hong),조인숙(In-Sook Cho),이종임(Jong-Im Lee) 한국정치정보학회 2024 정치정보연구 Vol.27 No.1

        In a situation where expertise and overlapping appearances of panels appearing on current affairs programs are a problem, this study conducts a content analysis and network analysis of the gender, age group, occupation, and political inclinations of panels appearing on current affairs and reporting programs during the five years of the Moon Jae-in administration. As a result of content analysis, more men than women appeared on the broadcast, and over 70% of the total was in their 50s or older. Regarding political orientation, there were relatively more progressive panelists than conservative panelists. The most preferred occupation was a member of the National Assembly. On terrestrial broadcasting, there were relatively more progressive panels than conservative panels, and among the professions, lawmakers and professors appeared. Looking at the top 20 influential panelists during the Moon Jae-in administration, there were many overlapping appearances on multiple channels. Frequent appearances on broadcasts give viewers the perception that person is an important person, so the repeated appearance of a specific person is not desirable in terms of diversity of opinion. This study is significant in that it analyzed all panels that appeared on broadcast current affairs and reporting programs during the five years of the Moon Jae-in administration, and there is a need to ensure diversity in terms of gender, age, occupation, and political orientation when selecting panelists on broadcast.

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