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I describe a possible scenario for the origin of the proton mass in terms of the Cheshire Cat, half-skyrmions, topology change and interplay between hidden chiral-scale symmetry and induced local symmetry. This differs from the standard constituent-quark scenario. As the baryonic matter density is increased toward the vector manifestation (VM) fixed-point at which the $\rho$ mass is to vanish, the effective in-medium mass ratio $m^*_\rho/m^*_N$ tends to zero proportionally to $g^*_\rho$, where $g^*_\rho$ is the in-medium hidden gauge coupling constant. I develop the thesis that the intricacy involved in the mass generation can be decoded from experiments at RIB accelerators and data on massive compact stars.
法醫病理醫師들이 犯罪搜査에 있어 重要한 役割을 한다. 一般病理醫師들은 解剖所見에만 置重하지만 法醫病理醫師들은 剖檢所見을 事件搜査에 있어 不過部分的 資料로 利用한다. 같은 所見이라도 지니는 環境에 따라 그 解釋이 달라지기 때문이다. 現場檢査, 環境分析, 毒物檢査 등은 法醫搜査에서 없어서는 안되는 要素들이다. 法醫病理醫師가 남이 다치지 않은 屍體를 처음부터 스스로 檢査한다는 것이 얼마나 重要한 일인지를 例를 들어 說明하였다. 自然疾患과 强力犯罪와의 相互關係 特히 外傷이 比較的 輕한 境遇에 對하여 討論하였다. 훌륭한 法醫醫師가 되려면 于先 훌륭한 病理醫師여하 하지만 훌륭한 病理醫師가 반드시 훌륭한 法醫醫師일 수는 없다. 1) Yong-Myun Rho: Murder or suicide? New York State Journal of Medicine, 78,965,1978. 2) Yong-Myun Rho: Importance of examination of the clothed victim, American Journal of Forensic Medicine and Pathology, 6 : 1,19,1985.
김진우(Jin-Woo Kim),윤재혁(Jae-Hyuk Youn),노수현(Soo-Hyun Rho),이종은(Rho1?Jong-Eun Lee),전영범(Yeong-Beom Jeon),옥재우(Jae-Woo Ok),유응노(Eung-Noh You),윤상호(Sang-Ho Yoon),신현익(Hyun-Ik Shin) 한국전자파학회 2018 한국전자파학회논문지 Vol.29 No.9
항공용 안테나 하이브리드 모노펄스 레이다 시스템을 이용하여 지상 이동표적 탐지 시, 표적의 방위각 정확도는 시스템 내 채널 간 위상 불균형에 따른 모노펄스 기울기 추정 정확도에 지배적으로 영향을 받는다. 본 논문에서는 안테나와 180도 하이브리드의 물리적 길이 차이에 의한 위상 불균형을 효과적으로 보상할 수 있는 방법을 제안 하였다. 비행시험을 통하여 제안된 방법의 성능을 검증한 결과, 보상 전보다 유의한 성능개선 효과를 확인할 수 있었다. The accuracy of extracting the azimuth angle of a target is significantly affected by the error in the mono-pulse ratio of the air-borne antenna hybrid mono-pulse Radar system. This error is strongly induced by the phase imbalance between the channels of the system. In this paper, a method is proposed for effectively calibrating the phase imbalance caused by physical differences between the RF channels from the antenna to the 180° hybrid. Through a flight test, it was confirmed that the accuracy of the azimuth angle of the target is improved by using the proposed method.
The purpose of this thesis is to computerize the function analysis of Value Engineering, using Quality function Deployment(QGD) system. The result of this study proved the validity of the combined use of VE and QFD: the product functions that were found important to company R were also consistent with the product functions that were considered important by its customers. And the inconvenience of the traditional way of Value analysis could be reduced by the computerization.
This paper presents the efficient system architecture of a digital studio and its operation and maintenance. This paper shows the overview of the system components and explains their technical features in detail, and discusses system installation and operational test procedures. And then technical requirements and procedural schemes for system implementation have been proposed and the operational organization, training programs, and maintenance planning have been qeneralized and analyzed. It shows that essential points for constructing the optimum system are to follow a supply-demand curve of its markets and industries and to make technical innovations of system implementation. Training programs for system operators and administrators are also very important factors. The integration of such factors makes it possible to construct the efficient a digital studio.
A mathematical model was studied to predict flow rate, heat transfer and heat of combustion in rotary kiln incinerator. For the design of equipments and for the optimum operating conditions, it is necessary to understand the combustion status such as the transient temperature distribution and the degree of combustion. The objective of this study is to establish the combustion model that can be used for design and performance evaluation of incinerator. And also, numerical analysis to be able to understand heat transfer phenomena in the rotary kiln incinerator was performed in this study.
In this study, the removal possibility of nutrients of T-P, NH_3-N, NO_3-N, and T-N is examined through a positive experimental study using submerged biofilter of media packing channel method. From the analysis of nutrients removal efficiency for each run of the collected sample, following results are obtained. Firstly, the result of N/P surveying for inflow shows serious value that excess the limit value of 20 as the values are in the range of 12.0∼42.7 and the average is 25.73. Secondly, the highest concentration of the incoming NH_3-N reaches double of the standard since the concentrations of NH_3-N, and NO_3-N for inflow shows 0.06㎎/ℓ , and 2.5∼3.8㎎/ℓ respectively, and the average removal rate which passed the submerged biofilter adopted in this study is a satisfactory level. Next, the average removal rate of T-P of 51.5% shows the possibility of entrophication removal since the removal rate of T-P of 66.8∼68.8% in relative low temperature period of RUN 1∼2 appeared higher than in RUN 3∼6, and T-N shows relatively poor result with the average removal rate of 34.1%. And it is known that the bigger BOD/P and BOD/N are, the more removal rate increases from the examination result of the relation between BOD/P and BOD/N, and the treatment water T-P and T-N to decide the relation with the concentration of organic matters, and thought that the appropriate proportion is necessary for effective removal of nitrogen and phosphorus.
The development in the information technology area has enabled drivers to use the ATIS (Advanced Traveller Information System) more easily by establishing ubiquitous environment where users may access the network at any place and time. The ATIS is the central part of the ITS (Intelligent Transportation System). The travel time of a transportation network at rush hours, however, has been calculated based on a simple proportional function between the traffic volume and travel time. This simplified method has been adopted in the trip assignment model for technical reasons resulting in the actual traffic flow at rush hours not being properly reflected. Therefore, it has fundamental limits in terms of the ever changing traffic conditions and short term prediction. In addition, the static trip assignment, which is mainly used in the trip assignment of traffic flow, does not allow any time-dependent changes. Under this assumption, the static trip assignment may predict relatively long-term average traffic flow, but cannot describe such characteristics as changing in a time-dependent manner. This assumption also supposes that the traffic flow has a uniform distribution in the applied area, which is regarded as another flaw of the static assignment method. As a result, various dynamic methods analyzing traffic conditions of a transportation network have been recently developed. Against this background, the objectives of this study are as follows: To develop HISIM (Hong Ik SIMulation) model, apply the travel time calculation formula developed based on the previous BPR formula and Queueing theory to this model, and present values and limits of each model by simulating in the imaginary network and comparatively analyzing its results.
The recombinant bovine somatotropin (rBST) was administered to the oliver flounder, Paralichthys olivaceus, to know the effects and optimal administration frequency and dosage of the hormone. The experiment was conducted with three different treatment groups (A, B and C) designated based on the duration and administration frequency of rBST and one control (D) from April 14, 1996 to March 16, 1997. The fish of hormone treated groups grew 7.86 to 10.07% (47.45 to 60.75 g in weight) better than the control at the end of the experiment (P<0.05). No significant differences in their growth were detected among treatment groups. The distinct growth improvement was recognized four weeks after completion of the first four hormone administration. When considering water temperatures measured from the experimental tanks, the effect of rBST on the flounder was greater during the period showing relatively lower temperature. The survival rates were higher in treatment groups than in the control, revealing 98.3% (A), 98.4% (B), 97.7% (C) and 93.1% (D) during the first stage of culture; 92.7% (A), 91.3% (B), 86.7% (C) and 80.0% (D) during the second stage of culture.