• Journal of Ginseng Culture
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• v.1
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• pp.78-92
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• 2019

Among the Southeast Asian countries, Vietnam had the most cultural exchange with Korea. Through Confusion and Chinese character, which were the common measure for two countries, Korea and Vietnam could communicate and share a sentiment with each other. Two countries showed an enormous interest in each other, and hence they could keep good relationship without official diplomatic relations. During the early 19th century, Korean Ginseng had gained tremendous popularity in Vietnam. Vietnamese believed the stamina of Minh Mang, who had 142 sons and daughters, originated from ginseng. Minh Mang bestowed ginseng on old courtiers for their contribution, which made them more loyal to the king. This tradition was inherited to the future generations, and soldiers who fought with Thai, Cambodia and France also received ginseng for their contribution. In other words, ginseng was the very important key for enforcement of patriotism. Due to the tradition, Korean ginseng has been considered as the premium ginseng in Vietnam. It is presumed that ginseng flew into Vietnam through 4 routes; 1) as an imperial gift from Chinese emperor, 2) by the Vietnamese ambassadors who went to Beijing for a tribute, 3) through private trade and 4) from Ryukyu or Japan, which were the hub of international trade. From 15th to 18th century, ambassadors from Chosun and Vietnam actively interacted in Beijing. Through their interchange, Vietnamese royal family could learn about the value of ginseng. The fact that there were many Shilhak scholars among the ambassadors from Joseon, such as Seo Geojeong and Seo Hosu who had profound knowledge of ginseng proves the theory. It is also possible that reputation of ginseng was already established in Vietnam during Silla period. Ko Byung, an bureaucrat from Tang Dynasty who ruled Vietnam for 10 years in middle 9th century and a friend of Choi Chiwon, might have delivered the knowledge of ginseng to the upper class in Vietnam. This hypothesis, however, should be proven by literatures. Hence, further research about the trace of Korean ginseng in Vietnamese history and literary works still remains to be done.

• Journal of the Korean Society of International Agriculture
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• v.30 no.4
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• pp.328-338
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• 2018

Central Asia (Uzbekistan, Kazakhstan, Kyrgyzstan) is a hot and arid continental climate, with most areas (68%) consisting of barren vegetation, desert, and meadows. The main agricultural areas for crop production include irrigated farmland, non-irrigated farmland, grassland, prairie and mountain. We are experiencing climate change with recent climate variability increasing. Agriculture is one of major economic sectors and provides a means of livings for the rural population of Central Asia, especially the poor. In the past two decades, Central Asia has experienced a high population growth rate, with Kazakhstan at 16.8%, Uzbekistan at 34.5% and Kyrgyzstan at 28.4%. As a major industry, Kazakhstan has the largest share of exports of agricultural products followed by petroleum, mineral resources, steel, and chemicals. Uzbekistan is the fifth largest cotton exporter as well as the sixth largest cotton producer in the world. Kyrgyzstan exports ores, stones, cultured pearls, and minerals. These three countries are rich in mineral resources, agricultural products, and energy resources. However, not only do they have difficulties in economic development due to the weakness of logistics and industrial infrastructure, but they also have imperceptible cooperation and investment among countries due to insufficient research and development. Through this study, we will investigate national outlook, economic indicators, major agricultural products, import and export status, and agricultural technology cooperation status, and study how Korean agricultural industry advances into these countries through SWOT analysis. Through this, we hope to contribute to the basic data of Central Asian studies and cooperation and investment in agriculture in each country. In addition, in order to increase cooperative exchange and investment in these countries, we will prepare a Central Asia logistics hub for the rapidly changing interKorean railroad era.

• Journal of Korean Society of Forest Science
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• v.110 no.2
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• pp.165-178
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• 2021

Owing to the lack of consistent research on endangered plant species in Korea, there are insufficient data to preservespecies and expand habitats. This study analyzed the preferred habitat and threats to the survival of Aconitum austrokoreense, found on Baekwun Mountain in Gurye-gun, Gwangyang-si, Jeollanam-do Province, and classified as a level two endangered wild plant by the Ministry of Environment, by investigating major environmental factors such as climate, location, soil, and stand structure. By examining five selected sites inhabited by Aconitum austrokoreense on BaekwunMountain, this study found that the habitat had an altitude of 420 to 675 m above sea level and showed a northeast tendency, spreading over a range of inclination angles between 15° and 37°. The average number of plants across the five sites was 156. Site 4 (550 m) had the highest density of 372 plants, with an average height of 0.6 m. The average soil moisture and relative light intensity were 20.48% and 7.34%, respectively. Layer soil was presumed to be sandy loam, characterized by high sand content and good drainage. The habitat had average soil pH of 5.2, average organic matter of 16.46%, average nitrogen of 0.86%, average available phosphate of 11.86 mg/kg, average electrical conductivity of 0.44 dS/m, and average cation exchange capacity of 37.04 cmolc/kg. The total carbon in soil averaged 10.68%. From the analysis of the vegetation structure of sites inhabited by Aconitum austrokoreense, the dominant populations were Pinus koraiensis and Lindera erythrocarpa in Site 1, Magnolia obovata and Carpinus laxiflora in Site 2, Zelkova serrate and Quercus variabilis in Site 3, Staphylea bumalda and Lindera erythrocarpa in Site 4, and Morus bombycis,Styrax japonicus, and Carpinus laxiflora in Site 5. With most habitats located near trails and sap collection sites of Acer pictum, the species were exposed to artificial damage and interference threats.

• Journal of Technology Innovation
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• v.28 no.3
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• pp.1-28
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• 2020

This study examines whether the firm with high innovation efficiency realizes high operating performance. We measured innovation efficiency by the ratio of patent applications for R&D expenditure or R&D stock and measured operating performance by the ratio of operating income or operating cash flow to total assets for the following year. The sample consists of 1,880 manufacturing firm-years, which listed on the Korean Exchange between 2014 and 2017. We analyze the effect of innovation efficiency on operating performance using a model of Hirshleifer et al. (2013) results show that both innovation efficiency variables have a significantly positive relationship with the total asset operating margin. Besides, the following year's performance, measured by the total asset operating cash flow ratio, also shows a positive relationship with the two innovation efficiency variables at the 5% and 1% significance levels, respectively. The results indicate that high innovation efficiency firms that link the outcomes of R&D to more patent applications realize higher operating performance. Also, we divided the R&D-intensive and non-R&D-intensive industries and performed the same analysis. As a result, the innovation efficiency has a significant positive effect on operating margin in both industries. However, the effect of innovation efficiency on the operating cash flow is only significant in R&D-intensive industries. This study suggests that the effects of innovation efficiency are more consistent in the R&D-intensive industry. Additionally, we divided the high patent application and low patent applications industries and performed the same analysis. As a result, the innovation efficiency has a significant positive effect on operating margin in both industries. This study suggests that the effects of innovation efficiency are more consistent in the high patent application industry. We show that a firm's innovation efficiency is a critical factor for a firm's performance, while prior studies on the R&D performance have not considered the innovation efficiency of each firm. The evidence suggests that firms not only consider R&D expenditures but also improve the performance of companies by increasing innovation efficiency. Investors need to consider their innovation efficiency when evaluating the value of firms.

• Korean Journal of Heritage: History & Science
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• v.54 no.2
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• pp.136-153
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• 2021

The restitution of cultural heritage located abroad has been going on for 107 years, starting with the return of the Jigwangguksa Tower to Beopcheonsaji Temple in Wonju after it was taken during the Japanese occupation in 1915. The Overseas Cultural Heritage Foundation, established in 2012, has laid the foundation for retrieval, preservation, restoration, and exchange of cultural heritage through research cooperation and the purchasing of cultural heritage items. The pace of the collection of cultural heritage objects and the locating of others has increased every year since its establishment, and the number of returned, rather than recovered, cultural heritage items has also increased. The present study aimed to complete a value inquiry of the cultural relics of Waryongmae (臥龍梅) and a restitution of cultural heritage as the main focuses. The process of recovering relics from Waryongmae has been recorded in the book The Cultural Property Returned into Our Arms, published by the above-mentioned foundation. This record was revised and supplemented to try and raise its cultural value by adding elaborate storytelling to the process of recovering the Waryongmae that grew in the courtyard of Changdeokgung Palace. The cultural value of Waryongmae is that it is unique. The Waryongmae is the first living cultural heritage, and therefore has cultural value due to its uniqueness. Second, the Waryongmae has unique cultural value due to its restitution and return to Korea twice, once in 1992, and another time in 1999. The first restitution was special in that it was featured by the Japanese media, and the second was special in that it was intensively reported by the Korean media. Third, 42 Waryongmae cultural content types were explored, including nineteen visual contents, eleven interactive contents, and twelve skate contents.

• Journal of the Korean Institute of Traditional Landscape Architecture
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• v.29 no.1
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• pp.59-70
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• 2011

The purpose of this study is to present raw data to systematically and rationally manage the protected trees located in Changwon-si, Korea. This study investigated about the present condition and the information of location, individual, management, health and soil. The results are as follows. The protected trees were located in 26 spots, and species of trees were 9 taxa; Zelkova serrata, Celtis sinensis, Aphananthe aspera, Ginkgo biloba, Carpinus tschonoskii, Pinus densiflora for. multicaulis, Quercus variabilis, Pinus densiflora and Salix glandulosa. In protected tree types, shade trees were the most, and the majority of theirs were 200 years or more in age. The range of altitude was 14~173m, and the number of trees located in flat fields was the most. For location types, village and field and mountain were presented in the order and, in land use, land for building was the most. The range of height was 8.0~30.0m, 0.6~5.1m in crown height, 240~700cm in diameter of breast and 210~800cm in diameter of root. In case of crown area, Zelkova serrata of No.5 was most large. The status boards were mostly installed except No.23 and No.26. The sites with fence were 9 spots, and the site with stonework were 14 spots. The sites with the support beam were 5 spots, and most sites were not covered up with soil. The materials of bottom were soil, gravel and vegetation in the order. The range of withering branch rate was 0~40%, and peeled bark rate was 0~60%. The sites made holes were 23 spots, and the hole size of Aphananthe aspera of No.12 was the largest. The sites disturbed by human trampling were 7 spots, the sites by disease and insects of 2 spots, the sites by injury of 23 spots and the sites by exposed roots of 13 spots. In the results of soil analysis, there showed that acidity was pH 4.5~8.0, organic matter content of 3.5~69.8g/kg, electrical conductivity(EC) of 0.11~2.87dS/m, available $P_2O_5$ of 3.0~490.6mg/kg, exchangeable K of 0.10~1.05cmol+/kg, exchangeable Ca of 1.41~16.45cmol+/kg, exchangeable Mg of 0.37~1.96cmol+/kg, exchangeable Na of 0.25~2.41cmol+/kg and cation exchange capacity(C.E.C) of 8.35~26.55cmol+/kg.

• 한국노년학
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• v.37 no.1
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• pp.83-102
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• 2017

Expending on a life course perspective, this study explores the long-term and short-term reciprocity in parent-child relationships in Korean context. Since the reasons for providing filial support are believed to differ by gender, we focused on how a child's gender affects both types of reciprocity. Data were collected from middle-aged sons (N=726) and daughters (N=883) with at least one surviving parent. Logistic regression was then conducted in order to examine the relations between the support a child currently provides to parents and the current or previous support received from the parents. Dependent variables are financial and instrumental support that middle-aged child currently provide to the parents. The financial and instrumental support a child received from the parents within a year are included in the model as an independent variable to assess short-term reciprocity. The level of financial support a child has received during the transition to adulthood process is included in the model as a independent variable to explore long-term reciprocity. Result supports the existence of gender differences in the long-term reciprocity. Daughters provided instrumental support in response to the financial support that they had received from parents during the transition to adulthood process. However, for sons, this tendency was not found. When it comes to financial support, long-term reciprocity was observed neither for the sons nor for the daughters. Both sons and daughters are prone to provide financial support to the aged parents regardless of the level of financial support they had received during the transition to adulthood process. Short-term reciprocity was found both in sons and daughters. when they have been receiving a financial or an instrumental support from the aged parents within a year, they tend to provided instrumental support to the parents. This study shows that the aged parents still fulfill the reciprocal relationship to a certain degree. Secondly, we can conclude that the norm of reciprocity interplays with the norm of filial responsibility in contemporary Korea.

• (The)Study of the Eastern Classic
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• no.37
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• pp.217-248
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• 2009

'Pil-dam-chang-su-jib'(collection of conversation by writing about poetry or sentences) which was remained in Japan through the dispatching of Tong-sin mission belong to the Joseon dynasty is a valuable historical records directly to verify sincere relationships with Korea and Japan in the past. At the center of the 'Pil-dam-chang-su-jib', a conversation of senators who was technocrat both countries at that time was not a little contained. Because they need to exchange information and opinions which they had been curious at an appointed hour, the most impending medical problems of that period had to be brought out in the senator's 'Pil-dam-chang-su-jib' and the value of material is high as much. If you examine the 'Pil-dam' records which was exchanged from senators to senators of both countries at that time, you can directly confirm the universality and difference of the medical science and medicine tradition of various East Asian countries. The purpose of a paper was in consolidation to a base of translation and investigation hereafter to consider the characters embodied in medical conversation in the first half of $18^{th}$ centuries. '~ Rok(錄)' can be an opportunity to organize the customs history through the studying an illness, medicines and a remedy. The necessity of the investigation about medical related conversation by writing is in this place. '~ Ui-dam(醫談)' is considering with the all factors above, the first half of 18th century's medical conversation materials are certificated remarkably valuable materials to the cultural history around the physician at that time. '~ Pil-ur(筆語)' is to use of questions and answers form gives presence and reality at the conversation by writing. So, conversation was let the readers to gain the feeling of movement. Also, the contents are substantially reflected the long history of Eastern medical and revealed medical science, treatment reality at that time. Not correspondent with normal collection of conversation by writing, the medical conversation by writing shows a special quality at rich material to confirm the technocrat's identity. The first half of $18^{th}$ century medical conversation by writing had been a foundation of the rational description system at the coming medical conversation to change the description system according to the envoy's coming situation.

• (The)Study of the Eastern Classic
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• no.55
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• pp.223-264
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• 2014

Yeoncheon Hong Seok-joo(淵泉 洪奭周: 1774-1842) faithfully followed a policy of restoration of literary style of king Jeongjo. He was an young vassal after 1794 and influenced by Jeongjo because Yeoncheon was around the king. Furthermore, he had comparatively favorable working period as a vassal(仕宦期, 1795-1836) after death of Jeongjo(1800) while establishing his own academic viewpoint. Therefore, a study about art theory of Yeoncheon Hong Seok-joo is one about logical system to accept various desires for change of then while not getting rid of scope of Neo-Confucianism after Jeongjo. It is catched that exchange of Hong Seok-joo and Jeong Yak-yong was made relating to study of Sangseo. Hong Seok-joo and Jeong Yak-yong absorbed in study of Sangseo, which is come from putting importance on 6 scriptures (經) among studies of scriptures by both of them. Through this, they aimed to re-discover ideology of original Confucian studies as one for cultivating oneself and governing people (修己治人之學). Dasan and Yeoncheon have something in common that they were young vassals who were cultivated as a guarding power for Jeongjo centered on Gyujanggak. They were largely fit to view of literature(文體觀) of Jeongjo. Hong Seok-joo distinguished function of prose(文) and poetry(詩) into teaching moral(明敎) and moving people(感人) in the category of Mun-yi-jae-do(文以載道) based on thoughts of 'literature is linguistic device for Taoism '(道本文末)' which is a core concept of literature theory based on Neo-Confucianism. He gave a careful attention on instructional and social function in prose while on emotional understanding that puts importance on temper and the secrets of nature in poetry. Hong Seok-joo regarded moral impression and edification through this as a core of artistic creation based on Segyoseol(世敎說). Furthermore, expressions such as 'Heunggwangunwon(興觀群怨)' or 'Yeohangguyo(閭巷謳謠) which are mentioned as important elements in his artistic works put importance on actual existence of objective things in artistic activity and this is connected to an attitude to require description fit to fact. So, it is assumed that such expression style aimed for features of genre painting in painting arts. Understanding of the study of ancient documents by Yeoncheon developed from critical perspective. He criticized the study of ancient documents, saying it as first, Pasoijisul(破碎之術), second, Dotaekjisul(塗澤之術), third, Hoimojisul(毁侮之術). Jeong Yak-yong criticized ' theory on the Odes' from viewpoint of theory of Mun-yi-jae-do(文以載道) based on Neo-Confucianism. He stressed political and social function of Sipeon and general poetry in "the Odes" and reinterprets discourses about poetry of Zhu Xi based on his own opinion. He says that poems of national fashion do political and social criticism. The theory of national fashion by Jeong Yak-yong clearly discloses his thoughts that stress practical role of noblemen in the social and political context.

• (The)Study of the Eastern Classic
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• no.34
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• pp.167-206
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• 2009

This paper discovers and introduces the collection of letters, "A Collector of Correspondence from Chinese Intellectuals (中朝學士書翰錄)" which was made by Kim Youngjak(1802~1868) who had collected the letters from Chinese intellectuals. "A Collector of Correspondence from Chinese Intellectuals (中朝學士書翰錄)" is a collector which contains handwritten letters to Kim Youngjak from Chinese people such as cheng gong shou(程恭壽), weng xue han(翁學涵), zhang bing yan(張丙炎), shao yan han(少言翰), and li wen yuan(李文源). Kim Youngjak had frequent meetings with Chinese intellectuals not only directly but also indirectly. He had exchanged letters with li bo heng(李伯衡), shuai fang wei(帥方蔚) for 30 years. In 1858, he went to Beijing and met Chinese intellectuals ye ming li(葉名澧), zhang bing yan(張丙炎), wu kun tian(吳昆田), cheng gong shou(程恭壽), and zhao guang(趙光). After coming back to Chos?n, he continued to exchange letters with them. "A Collector of Correspondence from Chinese Intellectuals (中朝學士書翰錄)" contains autograph letters by Kim Youngjak and Chinese intellectuals. It has ten letters for Kim Youngjak written by cheng gong shou(程恭壽), weng xue han(翁學涵), zhang bing yan(張丙炎), shao yan han(少言翰) and so on. One letter and five poems which zhao ting huang(趙廷璜) wrote to the son of Kim are also contained. The letters by zhao ting huang(趙廷璜) shows a sincere friendship with Kim Youngjak. The relationship between li bo heng(李伯衡) (who had exchanged letters with Kim for 30 years) and his son li wen yuan(李文源) proves that the cultural interchange between Korea and China had lasted successively. Kim Youngjak has not been widely known in academic circles yet but should not be ignored for the study in the cultural interchange between Korea and China. He proposed to have a relationship with li bo heng(李伯衡) and shuai fang wei(帥方蔚) first and they sent back positively. Therefore, they had a literal and private relationship by only exchanging letters each other. Also considering the fact that Kim Youngjak, as a man of high birth, had a close relationship with Chinese intelletuals, we can notice that Chinese and Korean intellectuals had open minds based on sincerity and trust. This was possible because many intellectuals before him like Hong Daeyong made a basis of the tradition of companionship. At this point, the relationship between Kim Youngjak and Chinese intellectuals and "A Collector of Correspondence from Chinese Intellectuals (中朝學士書翰錄)" have an important value. The collections of Kim Youngjak's works contain only several letters and poems which he sent to Chinese intellectuals. Accordingly, the letters in "A Collector of Correspondence from Chinese Intellectuals (中朝學士書翰錄)" are important to understand the aspects of their interchange.