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1-MCP 처리가 '신고' 배품종의 상온저장시의 품질에 미치는 영향을 알아보고자 실험을 실시하였다. 수확된 '신고' 배를 1-MCP 1 ppm의 농도로 수확당일, 수확후 1일, 수확후 2일에 각각 처리하고 이후에는 20±2℃의 실온에서 포장 저장하면서 품질관현 요인을 검정하였다. 초기 조사일의 과중에 대한 중간 조사일의 과중감소율에서는 5주차에 수확 1일후 1-MCP 처리구가 가장 감소율이 적었다. 당도에서는 처리간에 차이가 없었다. 경도와 부패과에서는 처리 5주차에서 1-MCP 처리구들이 무처리에 비해 뚜렷하게 경도와 부패과가 적게 발생하였다. 산도에서는 실험 5주차에 무처리가 다른 1-MCP 처리구보다 높았다. 결론적으로 수확직후의 1-MCP처리는 '신고' 배의 저장기간 연장에 효과적이었다. This study was carried out to find out the effects of 1-MCP treatment on the fruit quality of 'Niitaka' pear under room temperature storage conditions. With 1-MCP treatment one day after harvest, the lowest percentage of decrease in the fruit fresh weight was obtained at 5 weeks after the treatment. Soluble solids contents of MCP-treated fruit did not show significant differences among treatments. In comparison with the control, all of 1-MCP treatments showed a slow decrease in fruit firmness and low percentages in rotten fruit rate at 5 weeks after the treatment. At 5 weeks after the treatment, the fruit juice acidity of the control was higher than those from other 1-MCP treatments.
Backgrounds and Objectives: Vascular dementia is a group of dementing disoders arising from various stroke syndrome. Among these. subcortical ischemic vascular dementia (SIVD) is regarded as a relatively distinct clinical entity. However, MRI patterns of SIVD are not homogenous. In some patients, lacunes are dominant, and in others, subcortical white matter changes are. This study was designed to compare risk factor profiles between SIVD with and without multiple lacunes. Methods: We divided 47 subjects (22 males, mean age. 68 years) recruited from VADAPET (Multicenter Trial For Evaluation Of The Changes In the PET Images Of Subcortical Vascular Dementia Patient) study into two groups one with more than 5 lacunes in deep gray matter (lacune group) and the other with 5 or less(non-lacune group) Clinical characteristics and laboratory findings of two groups were compared. Results: Nineteen of 47 patients (40%) belonged to the lacune group. The lacune and non-lacune groups d d not differ in the following variables: age, hypertension, diabetes mellitus, hyperlipidemia heart disease, history of stroke or TIA, history of trauma or major surgery, family history of hypertension stroke, or dementia, age at diagnosis of dementia, body mass index, white blood cell count, ESR, CRP, fibrinogen, hemoglobin A1C, total cholesterol. LDL cholesterol creatinine, proteinuria, glucosuria, and microhematuria. However, male sex, smoking alcohol. hemoglobin, and HDL cholesterol were possibly associated more with lacune group SIVD than with non-lacune group (p<0 1) Multivariate analyses revealed that smoking, hemoglobin, and HDL cholesterol were independent predictors of SIVD with multiple lacunes Conclusion: Our study suggests that SIVD with multiple lacunes may be significantly different in smoking habits hemoglobin, and HDL cholesterol from SIVD without multiple lacunes.
A statistical cost model is useful to esimate the construction cost of new projects quickly and precisely in the initial stage of the projects. Traditionally, the precision of regression equations has been evaluated with the coefficient of determination(r^(2)). When the equations are applied to estimate the construction cost of a certain project, the result interpreted using only r^(2) may lead to erroneous predicton. In order to enhance the reliability of regression equations, this paper presents a methodology in which the equations are tested with the possible cost parameters by Monte Carlo simulation. In the research, the methodology is also confirmed to reduce mistakes from the blind use of regression equations.
보안관제 분야의 실제 업무활동에 대해서는 거의 연구가 없는 실정이다. 이에 본 논문에서는 보안관제의 위협정보 탐지 대응시간 모델링을 통해 적정 투입인력 규모 산정에 기여하고 최신 보안솔루션 투입시의 효과성 분석 등에 활용할 수 있는 실질적인 연구 방법론을 제시하고자 한다. 보안관제센터에서 수행하는 전체 위협정보 탐지대응시간은 TIDRT(Total Intelligence Detection & Response Time)로 정의한다. 전체 위협정보 탐지 대응시간(TIDRT)는 내부 위협정보 탐지대응시간(IIDRT, Internal Intelligence Detection & Response Time)과 외부 위협정보(EIDRT, External Intelligence Detection & Response Time)의 합으로 구성된다. 내부위협정보 탐지대응시간(IIDRT)는 다섯 단계의 소요시간의 합으로 계산할 수 있다. 본 연구의 궁극적인 목표는 보안관제센터의 주요한 업무활동들을 수식으로 모델링하여 보안관제센터의 사이버 위협정보 탐지대응시간 계산식을 산정하는데 있다. 2장에서는 선행연구를 살펴보고, 3장에서는 전체 위협정보 탐지대응시간의 계산식을 모델링한다. 4장에서 결론으로 끝을 맺는다. There is little research on actual business activities in the field of security control. Therefore, in this paper, we intend to present a practical research methodology that can contribute to the calculation of the size of the appropriate input personnel through the modeling of the threat information detection response time of the security control and to analyze the effectiveness of the latest security solutions. The total threat information detection response time performed by the security control center is defined as TIDRT (Total Intelligence Detection & Response Time). The total threat information detection response time (TIDRT) is composed of the sum of the internal intelligence detection & response time (IIDRT) and the external intelligence detection & response time (EIDRT). The internal threat information detection response time (IIDRT) can be calculated as the sum of the five steps required. The ultimate goal of this study is to model the major business activities of the security control center with an equation to calculate the cyber threat information detection response time calculation formula of the security control center. In Chapter 2, previous studies are examined, and in Chapter 3, the calculation formula of the total threat information detection response time is modeled. Chapter 4 concludes with a conclusion.
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Objectives: Based on the concept of environmental justice, we developed an evaluation model for setting and adopting the direction of environmental health policy using environmental health indicators and statistics from the local governments of Seoul, including environmentally susceptible populations. Methods: We selected a total of 20 variables based on data officially released from national and local governments. After the classification of these variables into the five components of environmental pressure, environmental status, environmental disease, sensitive population, and socioeconomic status, a basic model was constructed to calculate the relative scores of the local governments. Results: The cumulative impact scores for assessment of environmental health status were similar to those of the environmental pressure and status components. The highest five cumulative impact scores fell between 114 and 147. Local government A reported the highest scores and had high environmental pressure, environmental status and socioeconomic status. In addition, the evaluation of the other four local governments indicated that they exhibited above average scores for environmental pressure and environmental status, two did so for environmental disease, and four for sensitive population. Conclusion: We constructed a model to evaluate the environmental health status of the local governments of Seoul based on cumulative impact scores under the concept of environmental justice. As an approach for studying environmentally vulnerable areas through relative ranking, this model was feasible for policy-setting. In addition, this approach would be an analytically useful tool for decision-makers.
Purpose: The Purpose of this research was to investigate the effects of Cheongyeolhawlhyeoltanggagyehyeoldeung (CYHHT) on anti-inflammatory effects. Methods: As for the parameters of inflammation, levels of several inflammatory cytokines and chemical mediators were determined in mouse lung fibroblast cells (mLFC) and RAW264.7 cells. Also, changes in pathological features by drug treatment were investigated in the in vivo edema-induced rats by carrageenin /arachidonic acid or in the colitis-induced mice by DSS treatment. Results: The cytotoxicity of CYHHT on mLFC and RAW264.7 cells was not observed at 100, 50, 10, and 1㎍/㎖ of CYHHT treatments. IL-1β, IL-6 and NOS-II mRNA expression of RAW264.7 cells was inhibited by CYHHT treatments in a dose- dependent manner. CYHHT treatment of RAW264.7 cells inhibited TNF-α and COX-2 mRNA expression. CYHHT treatment of RAW264.7 cells significantly inhibited IL-6 and NO production. CYHHT treatment of RAW264.7 cells inhibited ROS production. CYHHT inhibited rat`s paw edema induced by carrageenin or arachidonate treatment in all concentrations examined. The body weight and colon length of colitis-induced mice were recovered to a normal level by DSS treatment. Clinical disease levels were significantly improved compared to the control animals. CYHHT treatment of colitis-induced mice significantly increased hematological values such as WBC and RBC counts, Hgb and HCT levels, but decreased PLT values. CYHHT treatment of colitis-induced mice decreased IL-6 and TNF-α production significantly CYHHT treatment of colitis-induced mice significantly increased CD3+(T) cell counts. In contrast, CYHHT treatment decreased CD19+ B cell counts and CD3+/CD69+ significantly, and also decreased B/T ratio (%) though not significant. Conclusion: These results indicated that CYHHT could be used for treating diverse female diseases caused by the inflammation.
기존의 정보보호 위험평가 방법은 정보자산의 취약성을 평가하는데 중점을 둔다. 그러나 정보자산의 형태가 바뀌고 새로운 유형의 정보자산이 나오면 그에 대한 평가기준도 추가하거나 삭제하는 등의 보완을 거쳐야 하는 한계가 있다. 기존 방법들은 사이버 위협이 유입되는 경로에 연구가 미흡하다. 특히, 공인 IP를 가지고 있는 웹기반 정보시스템을 대상으로 유입되는 유입경로의 봉쇄를 위한 연구가 매우 부족한 상황이다. 이에 본 논문에서는 BDLA (Blockade and Defense Level Analysis) 기반 정보보호 위험평가 모델의 주요 연구내용을 소개 한다. 또한, BDLA기반 정보보호 위험평가 모델을 적용하여 17개 공공기관의 봉쇄수준과 보안장비 수준 측정을 통하여 정보보호 위험 수준을 연구하였다. Existing information security risk assessment methods focus on evaluating the vulnerability of information assets. However, when the form of information assets changes and new types of information assets emerge, there is a limitation in that the evaluation standards for them are also added or deleted. Existing methods have insufficient research on the path through which cyber threats are introduced. In particular, there is very little research on blocking the inflow path for web-based information systems with public IPs. Therefore, this paper introduces the main research contents of the BDLA (Blockade and Defense Level Analysis)-based information security risk assessment model. In addition, by applying the BDLA-based information security risk assessment model, the information security risk level was studied by measuring the blockade level and security equipment level of 17 public institutions.
아파트와 오피스텔은 이미 우리나라 국민 대부분이 거주하는 가장 중요한 주거공간이다. 의식주 중 가장 기본적인 주거를 아파트와 오피스텔과 같은 공동주택이 담당하고 있는 것이다. 이러한 공동주택에 입주하려면 다양한 개인정보를 의무적으로 공동주택의 관리자들에게 제공해야만 한다. 따라서 공동주택의 관리자들에게는 대규모의 개인정보파일이 만들어지고 있고 나름대로의 방식으로 관리하고 있는 실정이다. 만약, 공동주택에서 개인정보유출이 발생된다면 사회적으로 커다란 문제가 될 것으로 예상된다. 본 논문에서는 아파트와 오피스텔에 입주할 때 작성해야 하는 ‘입주자명부’를 수집 조사하여 개인정보 수집과정에서의 법적 준거성을 검토하고 수집항목 최소화, 동의방식 개선 등 다양한 개선방안을 제안하였다. An apartment house and an officetel are already our most important residential space generally. Among food, clothing and shelter, an apartment and an officetel are in charge of a shelter as the most fundamental in our life. To live in an apartment and an officetel, it is necessory for residents to write a lot of informations about themselves. Therefore massive privacy files about apartment"s residents is inevitable and it is managing in its own way. A privacy accident in an apartment houses would be a big society problem. This study examined `tenant list` to find out what it collects and what it’s problems are and proposed some vairous measures about the privacy improvements like items reduction & consent process improvement in an apartment house and an officetel from privacy laws perspective.