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      • KCI등재후보

        산업유형과 조직특성 요인이 정보기술 인프라스트럭처 서비스 이용에 미치는 영향에 관한 연구

        최재영,김현섭 (사)디지털산업정보학회 2008 디지털산업정보학회논문지 Vol.4 No.1

        In order to survive in a competitive environment, many companies are taking much interest in building IT infrastructure and are investing in that area. But, despite of all the interst and investments, many companies are unsatisfied and confused because of the lack of guidance and understandings of IT intrastucture. Therefore the purpose of this study is to prove that the level of IT usage is different according to organizational characteristics and industial categories, and to give a guideline to companies' planning on newly builing IT infrastructure. In conclusion, companies newly planning on building IT infrastucture shoul consider the amounf of information technology functional uses according to the organizational charactheristics and industrial category and they follow the below guidelines. On building the IT infrastructure the organization having the characteriscs of formalization shoul consider and provide the standardization function first. The companies having the characteristics of decentralization shoul consider and provider firstly the application and communication fuction. And the companies having the characteristics of specialization should consider and provider the security function.

      • KCI등재

        “有+V”结构在南方方言中的功能考察

        최재영,ZHANGBIN 한국중국언어학회 2018 중국언어연구 Vol.0 No.76

        Currently, the study of ‘有(YOU)+V’ in the Southern Chinese dialect was mostly concentrated on the description of grammatical phenomena of individual dialect. The contrastive study of ‘有(YOU)’ from the perspective of Typological Linguistics was not as good as expected. Moreover, the discussion results on the meaning of the word ‘有(YOU)’ in the Southern Chinese dialect have not been unified. Major disagreement was focused on the question of whether was the ‘有(YOU)’ used as Aspect-marker(体标记) or not. Bases on the large number of literatures reviews and relative discussion, this problem was studied in this paper and the following results were concluded. Firstly, according to the methods of ‘Space to time projection’ and ‘Metaphorical transfer’ and the judgements based on a large number of possessive verb involving the grammaticalisation(词语法) of linguistic signs in the cross-language, the ‘有(YOU)’ in the ‘有(YOU)+V’ structure in Southern Chinese dialect is characterized as a Aspect-marker. Secondly, Eight functions of the ‘有(YOU)+V’ in Chinese dialect have been summarized according to the investigation on former researches, including A:perfective, perfect(‘了1(LE1),了2(LE2)’) B: experiential(‘过(GUO)’) C:continuous(‘着(ZHE)’) D:progressive(‘在/正/正在(ZAI/ZHENG/ZHENGZAI)’) E: future (‘将要/要~了(JIANGYAO/YAO~LE)’) F: The extent to which the behavior is reached or the adverb of degree that explains the status and nature. (‘很(HEN)’) G:Modal Auxiliary:epistemic modality(‘会(HUI)’) and dynamic modality.(volition‘要(YAO)’) H: Correlative adverbs that represent conditions.(要是/如果~的话(YAOSHI/RUGUO~DEHUA)) Thirdly, the largest area among Chinese dialects where the ‘有(YOU)+V’ was used is the Min dialect area. Fourthly, the possessive verb ‘有(YOU)’ in cross-language, can be changed to express the function of EXIST, FUTURE, OBLIGATION OR PERFECT. And these changes in the functions can be regarded as the typical change. The functions of the FUTURE and PERFECT are also found in the Southern Chinese dialect. Finally, the ‘有(YOU)+V’ and the ‘没有(MEIYOU)+V’ presents an opposite relationship between symmetry and asymmetry in the Southern Chinese dialect and Mandarin. People will unconsciously look for the ‘有(YOU)+V’ to use in reality, as a symmetry to ‘没有(MEIYOU)+V’, in order to produce the asymmetry between ‘没有(MEIYOU)+V’ and ‘V+了(LE)’. 目前,学界对于汉语南方方言中“有+V”结构的研究还主要是以单个方言里语法现象的描述为主,对于“有”的类型学角度的对比研究还不够深入。而且对于南方方言中“有”字所表示的义项的讨论结果尚未统一,分歧主要集中在“‘有+V’中‘有’用不用作体标记”的问题上。 本稿具体考察结果如下: 第一,根据“空间向时间投射”、“隐喻的转移”以及跨语言中存在领有动词语法化为体标记的大量事实作出判断,汉语南方方言中的“有+V”结构内的“有”是一种体标记。 第二,根据前人研究梳理出“有+V”在汉语方言中的八种功能,具体如下: A:完整体、完成体(“了1、了2”) B:经历体(“过”) C:持续体(“着”) D:进行体(“在/正/正在”) E:即将体(“将要/要~了”) F:表示行为动作达到的程度或说明状态、性质的程度副词(“很”) G:情态助动词:认识情态(“会”)或动力情态(意志“要”) H:表示条件的关联副词(如果/要是~的话) 第三,闽方言中使用“有+V”的地区最多。 第四,跨语言中的领有动词“有”可以变化成表示“存在、将来时、强制(语气)、完成体”的功能,这些功能的变化可以看作是典型的变化,而表示“将来、完成”的功能也见于汉语南方方言中。 第五,汉语中“有+V”与“没(有)+V”在南方方言和普通话中呈现出对称与不对称的对立关系,人们在语言的使用过程中会无意识地去寻找一种与“没有+V”对称的“有+V”来使用, 从而借用这种对称的结构来填补“没有+V”与“V+了”的不对称性。

      • KCI등재

        Identification of Risk Factors for Potentially Preventable Re-hospitalization: Empirical Evidence from California and Florida

        최재영 경희대학교 경영연구원 2018 의료경영학연구 Vol.12 No.2

        Objective: Policymakers have given substantial attention to reducing preventable readmissions because they may represent an opportunity to ensure quality of care and patient safety while lowering health care costs. The objective of this study is to examine factors associated with thirty-day potentially preventable hospital readmission (PPR). Data Sources/Study setting: This was an observational cross-sectional study of nonfederal acute-care hospital located in two states California and Florida, discharging Medicare patients with a principal discharge diagnosis of heart failure, acute myocardial infarction, or pneumonia January through December 31, 2007. Data were obtained from the Healthcare Cost and Utilization Project State Inpatient Database of the Agency for Healthcare Research and Quality. Study Design: The dependent variable of this study is condition-specific thirty-day potentially preventable hospital readmission (PPR). 3M’s PPR software was utilized to determine whether a readmission was potentially preventable. The independent variables of this study are clinical and socio-demographic characteristics of patients. We used multivariate hierarchical logistic models, clustered by hospitals, to examine factor associated with condition-specific, risk-adjusted, thirty-day PPR rates. Principal Findings: Multivariate results indicate that patients who were discharged to home health care or nursing home are more likely to be readmitted for a potentially preventable reason compared to those who were discharged to home (i.e., routine discharge) across all three conditions (p<0.001 for all). Patient with more severity, measured by history of prior admission, also had highter odds of 30-day PPR across all three conditions (p<0.001 for all). Patients with renal failure and chronic pulmonary disease as comorbid conditions had increased odds of 30-day PPR across all three conditions (p<0.001 for all). Conclusion: This work identified patient risk factors associated with the risk of PPR at patient-level analysis. Findings from this study may be served as useful sources to entities that are seeking ways to reduce the occurrences of PPRs.

      • SCOPUSKCI등재

        질산산화법을 이용한 SiO<sub>2</sub>/Si 구조의 계면결함 제거

        최재영,김도연,김우병,Choi, Jaeyoung,Kim, Doyeon,Kim, Woo-Byoung 한국재료학회 2018 한국재료학회지 Vol.28 No.2

        5 nm-thick $SiO_2$ layers formed by plasma-enhanced chemical vapor deposition (PECVD) are densified to improve the electrical and interface properties by using nitric acid oxidation of Si (NAOS) method at a low temperature of $121^{\circ}C$. The physical and electrical properties are clearly investigated according to NAOS times and post-metallization annealing (PMA) at $250^{\circ}C$ for 10 min in 5 vol% hydrogen atmosphere. The leakage current density is significantly decreased about three orders of magnitude from $3.110{\times}10^{-5}A/cm^2$ after NAOS 5 hours with PMA treatment, although the $SiO_2$ layers are not changed. These dramatically decreases of leakage current density are resulted from improvement of the interface properties. Concentration of suboxide species ($Si^{1+}$, $Si^{2+}$ and $Si^{3+}$) in $SiO_x$ transition layers as well as the interface state density ($D_{it}$) in $SiO_2/Si$ interface region are critically decreased about 1/3 and one order of magnitude, respectively. The decrease in leakage current density is attributed to improvement of interface properties though chemical method of NAOS with PMA treatment which can perform the oxidation and remove the OH species and dangling bond.

      • KCI등재

        12% 크롬 로우터 강에서 응고속도와 가공조건이 미세 조직에 미치는 영향

        최재영,강석봉,이래성 대한금속재료학회(대한금속학회) 1989 대한금속·재료학회지 Vol.27 No.1

        The influence of solidification rates on the morphology and distribution of δ-ferrite and eutectic niobium carbides was studied using Bridgman-type unidirectional solidification apparatus in order to simulate the solidification pattern of a large-scale ingot of 12% chromium rotor steel. The volume fractions of the δ ferrite contained in the specimens solidified with the withdrawal speeds of 225 ㎜/hr, 45 ㎜/hr, and 4.5 ㎜/hr were measured to be 7%, 5%, and 30% respectively. δ-ferrite was finely distributed in the case of the withdrawal speeds of 225 ㎜/hr and 45 ㎜/hr, but the distribution was coarse network type in the case of the withdrawal speed of 4.5 ㎜/hr. When hot compressive working was applied in temperatures from 950℃ to 1250℃, 3-ferrite was transformed into carbides and austenite at the interface of δ-ferrite with the matrix. Subsequent heat treat melts result in a complete annihilation of δ-ferrite in the case of fast withdrawal speeds, but result in only a partial annihilation in the ca -e of the slow withdrawal speed, 4.5 ㎜/hr.

      • KCI등재

        Propionic Acidemia with Novel Mutation Presenting as Recurrent Pancreatitis in a Child

        최재영,장경미,민소윤,황수경,강빈,최병호 대한의학회 2019 Journal of Korean medical science Vol.34 No.47

        Propionic acidemia (PA) is a rare organic acidemia resulting from a deficiency of the mitochondrial enzyme propionyl-coenzyme A carboxylase. Most cases are diagnosed after the detection of metabolic abnormalities—such as hyperammonemia, metabolic acidosis, and ketosis—associated with complaints of vomiting, feeding difficulties, and hypotonia during the neonatal period. However, in rare late-onset cases, mild or vague symptoms make the diagnosis more challenging. Even though acute pancreatitis is relatively uncommon in children, it can occur in association with PA. We present the case of a 4-year-old child who was admitted owing to the complaint of recurrent pancreatitis and had not previously been diagnosed with having metabolic disease. During inpatient treatment for acute pancreatitis, convulsions occurred with concomitant hyperammonemia, metabolic acidosis, coagulopathy, and shock 1 week after the administration of total parenteral nutrition. He was diagnosed to have PA after a metabolic work-up and confirmed to have novel mutation by molecular genetic analysis. Because children with PA may have acute pancreatitis, although rare, vomiting and abdominal pain should raise a suspicion of acute pancreatitis. On the contrary, even among children who have never been diagnosed with a metabolic disease, if a child has recurrent pancreatitis, metabolic pancreatitis caused by organic acidemia should be considered.

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