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장청원 ( Zhang¸ Qingyuan ) 연세대학교 언어연구교육원 한국어학당 2021 외국어로서의 한국어교육 Vol.62 No.-
This study addresses the development of a new educational direction for Korean language education in the post-human era, namely, the development of multiliteracies education. As the world is now enveloped in COVID-19, all fields are seeking new breakthroughs, and education in particular is the first to adapt to the post-epidemic era. This prepares new types of human resources for the post-human era, and actively responds to new concepts such as environmental mutations and the AI era at a later stage. Based on the above, this study takes Korean language education as an example of a humanities subject, and discusses how it can find its own new point of development and adapt to its surroundings in a way that provides a new concept of education. The study of multiliteracies in Korean language education has evolved in recent years, largely due to the development of science, technology and multimedia. This external environment has necessitated changes in traditional language education and has urged educators to reconsider educational goals such as the overall literacy of students. The New London Group, the first to propose multiliteracies, redefined the concept in 2013 and added elements of social activism and ethics in the virtual society to it. These two concepts are, of course, at the forefront of the future development of multiliteracies education in Korean language education, which is to prepare students to think about harmonious relationships with non-humans and nature based on a human-centred approach, and to articulate new ethical and moral concepts within the social framework of the virtual space. In line with this educational objective, researchers should take into account the diversity of today’s Korean language learners, the diverse requirements of the learners’ learning purposes, and the specialised and complex dimensions of teaching content. Furthermore, in terms of changing ethical and moral concepts within the virtual space, researchers should focus on developing learners’ ability to identify social issues through the media and how to deal with these social issues in concrete behavioural terms. (Seoul National University)
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Qing Yuan,Shihong Zhai,Li Wu,Peishuai Chen,Yuchun Zhou,Qingjun Zuo 한국자원공학회 2019 Geosystem engineering Vol.22 No.5
In blasting excavation engineering of super-large section underground caverns, blasting vibration velocity prediction accuracy is affected by many factors. In order to improve its accuracy, the key problem is to obtain these affect factors comprehensively. In this paper, we innovatively put forward eight independent factors in the aspect of explosion source conditions, engineering conditions and propagation medium conditions. These factors have complex non-linear relationship with blasting vibration velocity. We consider particle swarm optimization (PSO) algorithm and least squares support vector machine (LS-SVM) method for prediction (PSO-LSSVM). In this way, how to determine the characteristic parameters and calculation rules of PSO-LSSVM method is another key problem, which has been innovatively solved in this paper. Then it is used to predict the blasting vibration velocity of underground water-sealed LPG caverns in Yantai, China, and compared with Sadov’s formula (SA), fuzzy neural network (FNN) and LS-SVM methods. The results indicate that relative errors of PSO-LSSVM are significantly less than LS-SVM, FNN and SA. Whether global root mean square relative error for prediction accuracy, or group number meeting requirement of error threshold value for generalization performance, the PSO-LSSVM method is superior to LS-SVM, FNN and SA with best availability and superiority.
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( Qingyuan Li ),( Xiangxu Li ),( Ur Ryong Cho ) 한국고무학회 2018 엘라스토머 및 콤포지트 Vol.53 No.2
Styrene-butadiene rubber (SBR), reinforced with different contents of silica (with or without modification using silane coupling agents), was prepared by a modified sol-gel method involving hydrolyzation of tetraethoxysilane over an acid catalyst. The structures of the as-prepared samples were characterized using various techniques, such as scanning electron microscopy, X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, and thermogravimetric analysis. The mechanical properties of the as-prepared samples were discussed in detail. The results revealed an increasing of the storage modulus (G’) with increase in the silica content without modification. In contrast, G’ decreased after modification using silane coupling agents, indicating a reduction in the silica-silica interaction and improved dispersion of silica in the SBR matrix. Both tensile stress and hardness increased with increase in the silica content (with modification) in the SBR matrix, albeit with low values compared to the samples with un-modified silica, except for the case of silica modified using (3-glycidyloxypropyl) trimethoxysilane (GPTS). The latter observation can be attributed to the special structure of GPTS and the effort of oxygen atom lone-pair.
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Silica-Starch Reinforced Styrene-Butadiene Rubber Composites
Qingyuan Li,Xiangxu Li,Sun-Ho Jang(장선호),Dam-Hee Lee(이담희),Yuan Fan,Ur Ryong Cho(조을룡) 한국고분자학회 2017 폴리머 Vol.41 No.6
Silica-starch-reinforced styrene-butadiene rubber (SBR) was prepared by a modified sol-gel method of mixing the silica sol, the starch paste, and then in situ blending the SBR latex. The fracture surface of the samples after the tensile test was characterized by FE-SEM. The tensile strength, the storage modulus, the hardness and the swelling test of the vulcanized samples were systematically discussed. The results showed the elongation at break, the hardness and the storage modulus increased with the increasing of silica in the as-prepared samples. The swelling ratio decreased with increase in the content of silica, indicative of the excellent crosslink density in the silica-starch-reinforced SBR.
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Research On Solutions To Slicing Errors In FDM 3D Printing Of Thin-walled Structures
QINGYUAN ZHANG,이병춘 한국인터넷방송통신학회 2024 International Journal of Internet, Broadcasting an Vol.16 No.1
The desktop-level 3D printing machines makes it easier for independent designers to produce collectible models. Desktop 3D printers that use FDM (Fused Deposition Modeling) technology usually use a minimum nozzle diameter of 0.4mm. When using FDM printers to make Gunpla models, Thin slice structures are prone to slicing errors, which lead to deformation of printed objects and reduction in structural strength. This paper aims to analyze the printing model that produces errors, control a single variable among the three variables of slice layer height, slice wall thickness and filament type for comparative testing, and find a way to avoid gaps. To provide assistance for using FDM printers to build models containing thin-walled structures.
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Qingyuan Zhang,Junjie Chen,Bo Jin,Rufang Peng 한국고분자학회 2023 Macromolecular Research Vol.31 No.7
Fluorinated binders have currently received extensive attention in the research of binders due to their unique chemical properties. In this study, poly 2-(2,2,3,3,4,4,4-heptafluorobutoxymethyl) oxirane, i.e., poly(HFEE) was synthesized by a one-step substitution and cationic ring-opening polymerization using epichlorohydrin and 2,2,3,3,4,4,4-heptafluoro-1-butanol as raw materials. The corresponding characterization, such as FT-IR and NMR, of HFEE confirmed its successful synthesis. The differential scanning calorimetry (DSC) test shows that poly(HFEE) had a low glass transition temperature (Tg) of − 64.7 °C, indicating that it developed the better stability performance. At the same time, the thermal and mechanical properties of HFEE cured by polymethylene polyphenyl polyisocyanate (PAPI) were studied. The effects of curing temperature and PAPI content were investigated, and the corresponding rules were summarized. Thermogravimetric analysis (TGA-DTG) was utilized to evaluate the thermal stability of poly(HFEE) and the result showed that the sharp weight loss was at the temperature of 377 °C. This new strategy is devised for the utility of poly(HFEE) enabling it extension to be potential fluorinated binder for solid propellants.
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On the reason of Chinese traditional interpersonal relationships and Modernity transformation
Qingyuan Wang 한국마음학회 2013 한국마음학회 학술대회논문집 Vol.2013 No.1
we exist in the relations with others. The concepts of interpersonal relationships most base on the person in this relationship, that is the whole point of life who come from people's lives. The value of lives lies in the communicated activity, it reflects substantive sense of human beings. Harmonious interpersonal relationship is the final appeal for interpersonal relationship. The question is how the ethical appeals formed in the context of traditional relationships? What is its effect on our modern life, and how the value of thought in modern society changed. 1.Chinese traditional culture is the one of" Agriculture - patriarchal "social ethical culture who grown in soil. This kind of culture is the Isomorphism of home and farm economy, its has always worked every Chinese and have a far-reaching impact on all aspects of our daily lives. Judging from the Social communication standard of Anthropology, the interpersonal boundaries were divided from the start of the 'family'. We use the concept of caste and blood formed and maintained the community, then the interactions must based on the core of family. That decided our interactions has the character of closing from beginning, on this basis, the Chinese strongly agreed with the concept of clan and family psychology. On the premise of a common ancestor, everyone has grown within the community, and we call 'insiders', the opposite of' outsiders 'requirements of living is a directly reflect for family of interpersonal ethics, this is the major cause of promoting harmonious interpersonal relations. In addition, from the religious faith , the Chinese reverence for nature and'harmony between the heaven and human', the concept of 'Harmony' are another important cause of harmonious relations. The concept of harmonious order was imitated the natural state of harmony and the family should follow this way. It can explain the consistency of the Chinese concept in the universe and human relations leading to inherent unity and harmony. Z. What the community need is a major cause of the traditional interpersonal harmony. In fact it is a social inherent requirements, and the consistency of traditional view of the universe and human relations is the requirements of unification from society and nature, Both of these are based on the phylogenetic relationships and blood relationship. With the development of productive forces and the scale, genealogical community gradually extend the production activities scope to adjust production relations through other ways. In the process, the genealogical community transfered to unrelated community transformation, communication ethics are becoming increasingly complicated. From a geopolitical perspective, the transformation of the ancient family from blood to unrelated blood, is occured in the basic areas of the country. Early in the Qin dynasty, Han Dynasty, the social economic assistance functions appeared more intensively. these kinds of rural family economic assistance organizations enhanced cohesion between the different families of the same country , And then it extended to the different country. But expand the scope of contacts between the two villages still relatively weak. that formed more narrow and less - developed interpersonal style who accompanied by an acquaintance of Village Community Associationin ancient China. So we say the interpersonal harmony is not purely relations and exchanges, because the traditional Confucian thought we should learn and be taught everywhere in interpersonal relationships, so that the ethics would appear everywhere. Ethical relationships of the family should not be arrogated, and also the Confucian Ethics, were implanted in social relations, this made it possible to achieve the ideal of a harmonious society. We need the deep thoughts to modern ways of communication and thinking now. At the same time we should drawn nutrition from the roots of Chinese Traditional Thought of harmonious interpersonal relationship in order to seek the path of our modern society's interpersonal relationships. From " primary internal requirement " to "mutual requirements", we should establish a " Principle of CO-exist in the communication" in this kind of relationship, the premise of Co-exist is an independent individual. because on this premise, every independent individual access to maximal benefits, each individual must rely on the ourselves cooperation. from above reasoning, we can see that the only way of modern harmonious interpersonal relationships is the " CO-exist in principle ".
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