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      • KCI등재

        정신분열병과 기분장애의 Cavum Septi Pellucidi에 관한 자기공명영상 연구

        신상은,강민희,김철응,이정섭,배재남 대한신경정신의학회 2000 신경정신의학 Vol.39 No.4

        연구목적: 뇌자기공명촬영술을 이용하여 정신분열병 환자와 기분장애 환자, 대조군의 Cavum Septi Pellucidi를 측정하여 정신분열병과 기분장애에서 생물학적인 원인 중 하나인 신경 발달학적 가설을 알아보는데 있다. 방법: 34명의 정신분열병 환자와 18명의 기분장애 환자, 22명의 대조군에게 자기공명촬영술을 시행하여 CSP의 출현 빈도 및 CSP의 크기에 따른 출현빈도를 비교분석하여 다음과 같은 결과를 얻었다. 결과: CSP의 출현 빈도는 정신분열병 환자에서 61%, 기분 장애환자에서 61%, 대조군에서 41%로 나타났다. T1 강조 축상 영상에서 가장 크게 보이는 단면에서 가로로 가장 긴 부분의 길이가 3mm 이상으로 정의한 큰 CSP의 출현빈도는 정신분혈병환자에서 24%, 기분 장애 환자에서 11%, 대조군에서 5%였고 정신분열병, 기분장애, 대조군의 순으로 높은 빈도를 보였으나 통계적인 유의성은 없었다. 결론: 정신분열병, 기분장애, 대조군의 순으로 큰 CSP의 빈도가 높은 경향성은 확인할수 있었으나 통계적으로 유의한 차이는 아니었다. 그러나 본 연구는 여러 가지 제한점이 있었기 때문에 신경발달학적 가설을 알아보기 위해서는 향후 환자수를 확대하고 보다 정교하게 고안된 연구가 필요하다. Objectives: This study was designed to verify neuro-developmental hypothesis of schizo-phrenia and mood disorder. Methods: We performed Brain Magnetic Resonance Imaging study in 34 schizophrenic patients, 18 mood disorder patients and 22 controls and compared the incidence and the size of carum septi pellucidi(CSP). Results: The incidences of CSP in schizophrenia, mood disorder and controls were 61%,61%, and 41%, respectively. The incidences of large CSP, defined as largest diameter larger than 3mm in T1-weighted image, were 24% in schizophrenic patients, 11% in mood disorder patients, and 5% in controls. But they didn't show statistically significant differences. Conclusion:We could find the tendency that the incidence of CSP was high as following order ; schizophrenia, mood disorder, controls. But it was not statistically significant difference. To verify neuro-developmental hypothesis, we need larger pool of patients and better study design.

      • KCI등재후보
      • 아몰퍼스 자왜 와이어의 제작과 센서특성

        신용진,임재근,조남희 明知大學校 産業技術硏究所 1995 産業技術硏究所論文集 Vol.14 No.-

        In this paper, we describe fabrication method and sensing functions of amorphous magnetostrictive wire. (Fe,Co)77Si8B5 chosen as nonstoichometric composition, is melted under high frequency induced furnance and then the melted composition is injection-quenched on water-flow at high speed revolution through the nozzle. As the result amorphous magnetostrictive-wires whose diameters are about 125㎛ are obtained On investigation of characteristics of the amorphous wires, a sharp Matteucci effect occurs even by low external magnetic field. It occurs by large Barkhausen jump due to magnetostriction of the amorphous wire. As the results of experiments, we find that amorphous-wires have sufficient characteristics needed as high sensitive security sensor material.

      • KCI등재후보

        지역사회 거주 저소득층 노인의 우울증상 유병률과 관련인자

        신희영,이훈,신일선,김재민,김성완,양수진,윤진상 大韓神經精神醫學會 2005 신경정신의학 Vol.44 No.5

        Objectives : This study aimed to investigate the prevalence and correlates of depressive symptoms in community-dwelling low income elderly. Methods : A community survey of 1,351 low income residents aged 65 or over was conducted in Buk district of Gwangju, Korea. Depressive symptom was evaluated by the Korean Form of the Geriatric Depression Scale (KGDS). Their Sociodemographic factors, the precence of chronic physical illness, and cognitive functions were investigated. Results : The prevalence rate of depressive symptoms was 69.8%. In multiple logistic regression, chronic physical illness (Odds Ratio : 2.68, 95% Confidence Interval : 1.98-3.63), low education (Odds Ratio : 1.84, 95% Confidence Interval : 1.39-2.43), and cognitive impairment (Odds Ratio : 1.61, 95% Confidence Interval : 1.20-2.16) were independently associated with depressive symptoms. Conclusion : Depressive symptoms in community-dwelling low income elderly were very common, particularly related to current chronic physical illnesses. The results of this study can be useful for the development of community-based prevention and management programs for depression. Of elderleg.

      • KCI등재

        지역사회 거주 노인에서 장애 변화의 예측인자

        신희영,신일선,김재민,김성완,양수진,윤진상 대한신경정신의학회 2008 신경정신의학 Vol.47 No.2

        Objectives : This study aimed to identify the predictors for change in disability measured by the Korean version of World Health Organization Disability Assessment Schedule II (WHODAS II-K) m community-dwelling elderly population. Methods : Of 1204 community participants aged 65 years or over, 717 were reevaluated by WHODAS II-K 2 years later. At baseline, information on demographic characteristics (age, gender, living area, marital status, and religion), socioeconomic status (education, type of accommodation, number of rooms, previous occupation, current employment, and social network), and clinical characteristics (number of physical illness, depression by the Korean version of Geriatric Mental State Schedule B3, and cognitive impairment by Korean version of Mini-Mental State Examination) were collected. Results : Scores on the WHODAS II-K increased by 17.5 in 2 years. Age (B coefficient 0.52, 95% CI : 0.21~0.84), number of rooms (B coefficient -1.92, 95% CI : -3.53~-0.30), and depression (B coefficient 1.84, 95% CI : 0.43~3.25) were independently significant predictors for change in disability. Conclusion : Change in the level of disability measured by the WHODAS II-K was mainly affected by age, number of rooms, and depression. These results can be useful for the development of community-based health promotion program for the elderly.

      • KCI등재

        초등학교 아동의 비만지수와 신체활동에 관한 조사연구

        신재신,김명희,박형숙,송미경 韓國學校保健學會 2000 韓國學校保健學會誌 Vol.13 No.1

        This study researches an obesity inde( and the reaiities of physical activity of etementary school childrnl and pvide basic data to instruct correct physical activity for low weight md obese childraL The subject was 813 Elementary School Chiliherl of grade 4-6 in Krimgiu and data were collected with a Physical Activir Questionnaire from fTs, USA The collected data ware an3ly2ed with real number, pnfentagf avErge and standard deviation techniques. The rarlge was by SPSS WIN. Both of them were in the normal range, between -38.3 and 77.7, between low weight and obesity The results are as follows : 1. An Obesity index according to grade and sex: the average obesity index of 423 boys was 7.56 ± 15.7, for girls it was 2.56± 14.3. Both of them were in the nrnmal range, between -38.3 and 77.7. There were low weight(-38.85±0.9) students as well as obese, including extremely low weight children (-38.85 ±0.9) and extremely obese children. 2. On the whole, in the Freouency of the 25 item physical activities breakdown, children reported to watch TV 1.(2.7±0.6), or do homework(2.1 ±0.9), more than three-fourths of the week, male children, however, played more football(2.0 ±0.9). As male obese children do less MET5, MET8(highly active activity) than male normal children, it was also discovered that low weight children do mnre severe activity in MET8(high activity). In female cases, it was revealed that neither do highly intense activity. 3. In physical activitiy, male children received higher points than fonale children with 92.94±37.95 to 74.46 ±29.50. On the whole, male and female obese children had lower score than normal children. 4. As for attitude toward physical activiv, male children(31.9614.37) had a positive attitude than female children (29.57 ±3.89), but obese male children had a negative attitude regarding activity viewed as normal. ThaefgrE in peventing obesity in elementary school childrerl the treating of under-weight childrern. should be included in the obesity Fgram so as to Pevent mal-nutrition or denciency. It is needed to instruct obese childrul to carry out interlsive w[rk-outs at least 3 times a weft through systematic grams. It is also needed that parents and teachers educate elementary school chil(hell from an early age with iDcimation on the frequency and interlsity of work-outs to prevent obesity. It is also desirable that children be eddcated to cauy out physical activities that address thetr specific needs. As a result of this study, obesif management must be started from elementary school and children should be instructed to act in hiRh-interlsity actirities when they spend leisure time.

      • 시멘트 제품군의 전과정평가

        신동희,정재수,이건모 한국전과정평가학회 2002 한국전과정평가학회지 Vol.4 No.1

        국내산업계에서 범용적으로 생산되는 시멘트 제품군에 대하여 원료채취부터 제품제조까지에 대한 전과정평가를 수행하였다. 대상제품군은 국내 산업현황을 바탕으로 1종 포틀랜드 시멘트, 2종 포틀랜드 시멘트, 3종 포틀랜드 시멘트, 5종 포틀랜드 시멘트 및 고로슬래그 시멘트를 선정하였다. 각 대상 제품군별 국내 생산량이 큰 기업을 선정하여 전과정 목록분석을 수행하였다. 데이터는 현장 데이터를 적용하였으며, 현장 데이터 취득이 어려운 경우 데이터베이스를 사용하였다. 영향평가는 분류화, 특성화, 정규화 및 가중치부여 단계로 수행하였다. 환경영향평가지수는 1종 포틀랜드 시멘트, 2종 포틀랜드 시멘트, 3종 포틀랜드 시멘트, 5종 포틀랜드 시멘트 및 고로슬래그 시멘트공정이 각각 6.53E-05, 4.81E-05, 4.39E-05, 4.84E-05 및 3.84E-05로 나타났다. CO2에 의한 지구온난화가 전체 환경영향의 대부분을 차지하였다. A life cycle assessment has been conducted from raw material acquisition to manufacturing for cement products in korea. The product category included portland cement - Type Ⅰ, Type Ⅱ, Type Ⅲ and Type Ⅴ - and Blast furnace cement. The major manufacturing companies were chosen for each product category and conducted life cycle inventory analysis. Generally, Site-specific Data was applied. If it's not impossible, database was used. Impact assessment was carried out consecutively as classification, characterization, normalization and weighting. The eco-indicators of portland cement - Type Ⅰ, Type Ⅱ, Type Ⅲ and Type Ⅴ - and Blast furnace cement were 6.53E-05, 4.81E-05, 4.39E-05, 4.84E-05 and 3.84E-05, respectively. Global warming from CO2 was major contributor of product category.

      • KCI등재
      • Cyanoacrylate가 成犬 齒周瓣膜의 治癒에 미치는 影響

        申載熙,卞種秀,朴準奉 慶北大學校 齒科大學 1986 慶北齒大論文集 Vol.3 No.1

        butyl cyanoacrylate가 一般的인 縫合絲에 比해 齒 剝離搔爬術後 齒周辯膜의 治癒에 미치는 影響을 糾明하고자 5마리의 雜種犬 ( 6∼8kg )을 利用, 이들의 上下顎 左右 犬齒에 該當하는 頰側 附着齒 에 齒 剝離搔爬術을 施行하고 上記 2가지 方法을 區分하여 樂劑의 塗布 및 縫合을 施行한 後 定한 날에 實驗動物을 儀牲시켜 組織學的 檢鏡을 통해 이를 觀察하여 다음과 같이 結果를 얻었다. 組織學的 所見에서 初期에는 實驗部가 對照部에 比해 下部組織에 淨腫性 纖維素綱과 炎症細胞浸潤이 微弱하였고, 裂溝上皮細胞의 被服과 纖維性 骨膜의 形成이 迅速하였으며 纖維性 結締組織에 의한 齒周 膜과 齒面과의 癒合도 빨리 일어났다. releasing incision 部位에서도 實驗部가 炎症細胞浸潤이 보다 적었고, 肉茅組織의 形成이 迅速히 일어났으며 그 量도 적었다. 그러나 組織學的 觀察의 全 過程을 통해 3週에서는 治癒程度에 있어서 兩者間의 差異가 없었고, 4週에서도 兩者間의 治癒程道에 대한 差異를 觀察할 수 없었다. This is study was made in order to determine the histological changes associated with healing following the use of cyanoacrylates and silk sutures in canine areas where periodontal flap procedures had been carried out. In this experiment 5 adult mongrel dogs were used. The cyanoacrylate on the right side and black silk suture on the left buccal side of maxilla and mandibular canine area, were applied for the fixation of the flap after the periodontal flap surgery. On the experimental days, the experimental areas were examined clinically and sacrificed. Thereafter histological secimens were made following the useal methods and examined with light microscope. The results were as follows : In the histologic observations, the experimental areas as compared with the controls ; There was weak inflammatory cell infiltration and less edematous fibrin mesh formation at the substructure of the flap. The sulcus epithelial cell covering and formation of the fibrous periosteum was made rapidly. The union of periodontal flap and tooth surface by fibrous connective tissue was also made rapidly at the experimental areas. At the areas of the releasing incision less inflammatory cell infiltration and rapidity and small amount of granulation tissue formation were found. But through the entire procedure of the histologic observations, there was little difference in the degree of healing between the two in the 3rd week and it was also impossible to find the difference of healing between the two in the 4 th week.

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