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김영옥 한국문학교육학회 2003 문학교육학 Vol.12 No.-
This thesis is designed to study the present situation and the subjects of the children literature education in China. With the changes and development of Chinese education, Chinese children literature education also experiences great changes and development. Chinese education and literatme education are two important parts of children education. This thesis investigates the characteristics of literature education in Chinese primary school education in detail, through the analysis of changes and development of Chinese primary school syllabus and teaching materials. In part one, we investigate the characteristics of the former reform in Chinese primary school syllabus and teaching materials. In part two, we indicate the characteristics of primary school literature education through the analysis of present syllabus and teaching materials. In the last part, we point out the subjects and aim of Chinese primary school literature education in future.
김영옥 청람어문교육학회 2003 청람어문교육 Vol.26 No.-
이 글에서는 중국에서의 한국어(조선어) 교육의 역사와 현황을 고찰하고 그 성과와 문제점들을 짚어보았다. 중국에서의 한국어(조선어) 교육은 두 가지 의미를 가지고 있다. 즉 조선족들을 위한 민족어 교육으로서의 학교 교육과 중국인을 위한 제2언어로서의 한국어(조선어) 교육이다. 중국에는 약 200만 명의 조선족들이 살고 있다. 그들은 중국의 소수민족(少數民族) 교육 정책에 따라 어릴 적부터 정규적인 민족어 교육을 받을 수 있다. 민족 집거(潗居) 지역을 중심으로 유치원부터 고등학교까지 한국어(조선어) 교육이 보편화되어 있으며, 「조선어문(朝鮮語文) 」,과 「한어문(漢語文)」을 동시에 배운다. 제2언어로서의 한국어(조선어) 교육은 주로 중국인을 대상으로 하고 중국과 남복한의 여러 분야의 교류에 필요한 인재와 전문 인력을 양성하기 위한 교육이다. 현재까지 중국에서의 한국어(조선어) 교육은 비록 굴곡적인 과정도 거치기는 했지만 매우 큰 성과를 이룩하였다. 그러나 한국어(조선어) 교육에 여러 가지 한계와 문제점들이 존재하고 있는 것도 엄연한 사실이다. 중국에서의 한국어(중국어) 교육의 이러한 한계와 문제점들은 중국 교육 제도와 교육 과정 자체와 연관되기도 한다. 그러나 교재 ·문법체계·고유문화 등 여러 가지 면에서 남북한의 전폭적인 지원과 밀접한 교류와 협력이 절대적으로 필요한 문제 이기도 하다. 중국에서의 한국어(조선어) 교육을 더욱 활성화하고 발전시키려면 한국어(조선어) 교육에 관심이 있는 모든 사람들의 지속적인 노력이 필요할 것이다. The purpose of this study is to investigate the history and the actual conditions of the Korean Language Education in China and get the results and problems of it. There are two meanings in the Korean Language Education of China. One is the racial language education for China-Koreans in schools and the other is as the second language for Chinese. China has about two millions of China-Koreans. They can be educated regularly in racial language from their childhood according to the Educational Policy for a minority in China. The Korean Language is educated generally from kindergarten to high school around China-Koreans town. China-Koreans learn both Korean Language and Chinese Language. The Korean Language Education as the second language is generally for Chinese and for raising a man of ability and professional work forces needed in various parts of exchange between China and South and North Korea Up to now, the Korean Language Education in China obtains excellent results in spite of the difficult process. However, there are also many limits and problems in the Korean Language Education, This problem in China is related to Chinese Educational System and the Curriculum itself. And the problem needs strong support, exchange and cooperation between South and North Korea in many areas such as teaching materials, grammatical system and traditional culture. It needs continuous concerns and efforts of the people to activate and develop the Korean Language Education in China.
Han Ying-Hao,Mao Ying-Ying,Yu Nan-Nan,Jin Mei-Hua,Jin Ying-Hua,Wang Ai-Guo,Zhang Yong-Qing,Shen Gui-Nan,Cui Yu-Dong,Yu Li-Yun,Lee Dong-Seok,Jo Yu-Jin,Sun Hu-Nan,Kwon Jeongwoo,권태호 한국응용생명화학회 2020 Applied Biological Chemistry (Appl Biol Chem) Vol.63 No.3
In this study, we used RNA sequencing (RNA-seq) to analyze and compare bulk cell samples from wild-type (WT) dermal mesenchymal stem cells (DMSCs) (n = 3) and Prx II knockout DMSCs (n = 3). The purpose of the study was to elucidate the role of Prx II on allogeneic immune rejection of transplanted DMSCs. The results revealed differential expression of 472 genes (176 up-regulated and 296 down-regulated; p ≤ 0.05) between the PrxII+/+ (WT) and PrxII−/− sample groups. When highly regulated genes were categorized according to the Gene Ontology (GO) molecular function classification and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, the PrxII−/− samples showed a robust downward trend in allograft rejection. The study identified 43 all immunologically rejected differentially expressed genes, of which 41 showed lower expression in the PrxII−/− vs. PrxII+/+ (WT) samples. These findings suggest that Prx II gene knockout may down-regulate the allograft rejection that occurs during DMSCs transplantation and improve the survival rate of DMSCs in the host. This study provides a new perspective on the clinical treatment of stem cell transplantation.
Energy Regeneration and Reuse of Excavator Swing System with Hydraulic Accumulator
Ying-Xiao Yu,Kyoung Kwan Ahn 한국정밀공학회 2020 International Journal of Precision Engineering and Vol.7 No.4
In order to solve the environmental pollution and the depletion of petroleum energy, construction machine with high efficiency needs to be urgently developed. In this paper we propose a new energy regenerative swing system with a hydraulic accumulator, variable hydraulic motor and proportional flow control valve for realizing highly energy efficient construction machine. Furthermore, we proposed a novel control algorithm for the reduction of vibration of upper frame of excavator as well as high energy regeneration and reuse. A test bench was fabricated, and experiments have been conducted. From the experimental results, it was verified that the mean energy regeneration efficiency and energy saving efficiency were 33.4 and 9.2% and the vibration of upper plate of excavator can be assumed to be reduced by experimental results.
Ying-yu Jin,Nuntinee Ritthibut,임승택,오수진 한국식품과학회 2023 Food Science and Biotechnology Vol.32 No.6
Chestnut inner shell (CIS) was fermented at 30 °C for 12 day using Monascus kaoliang, either in solid or submerged state, and alcohol extracts (70% ethanol) of the fermented CIS were examined for their antioxidant (total phenol content and diphenylpicrylhydrazyl radical scavenging activity) and in vitro cosmeceutical activities (tyrosinase and elastase inhibitory activities). Both activities were significantly increased by the M. kaoliang-fermentation, more apparently by submerged fermentation (SMF) than by solid-state fermentation (SSF). The cosmeceutical activity reached its maximum value on the 3rd day of fermentation. The residual amounts of phenolic acids and catechins in the CIS extracts were increased by the fermentation, up to 395.0 and 344.3 µg/g, respectively. More phenolic acids were produced by SMF than SSF, whereas more catechins were produced by SSF than SMF. Therefore, SMF using M. kaoliang was an efficient process for the utilization of CIS as a source of cosmeceuticals.
Yu-Shuai Wang,Yin-Ping Jin,Wei Gao,Sheng-Yuan Xiao,Yu-Wei Zhang,Pei-He Zheng,Jia Wang,Jun-Xia Liu,Cheng-He Sun,Ying-Ping Wang 고려인삼학회 2016 Journal of Ginseng Research Vol.40 No.3
Background: Ginsenosides are the major effective ingredients responsible for the pharmacological effects of ginseng. Malonyl ginsenosides are natural ginsenosides that contain a malonyl group attached to a glucose unit of the corresponding neutral ginsenosides. Methods: Medium-pressure liquid chromatography and semipreparative high-performance liquid chromatography were used to isolate purified compounds and their structures determined by extensive one-dimensional- and two-dimensional nuclear magnetic resonance (NMR) experiments. Results: A new saponin, namely malonyl-ginsenoside Re, was isolated from the fresh flower buds of Panax ginseng, along with malonyl-ginsenosides Rb1, Rb2, Rc, Rd. Some assignments for previously published ¹H- and <SUP>13</SUP>C-NMR spectra were found to be inaccurate. Conclusion: This study reports the complete NMR assignment of malonyl-ginsenoside Re, Rb₁, Rb₂, Rc, and Rd for the first time.
Study on Novel Structure and Control of Energy Saving of Hydraulic Hybrid Excavator
Ying-Xiao Yu,Kyoung-Kwan Ahn 제어로봇시스템학회 2017 제어로봇시스템학회 국제학술대회 논문집 Vol.2017 No.10
Facing the energy crisis and environmental problems, saving energy of hydraulic excavator is very important. This paper proposes a structure of hybrid hydraulic excavator as well as the control strategy. The system combines the advantages of STEAM system, IMV system and hydraulic transformer. The simulation is done by using AMESim software. From the simulation result, the proposed system can reduce energy consumption and reduce the install power of engine and displacement of pump. The boom also gets good performance.