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Prediction of Radish Growth as Affected by Nitrogen Fertilization for Spring Production (무의 질소 시비량에 따른 생육량 추정 모델식 개발)

  • Lee, Sang Gyu;Yeo, Kyung-Hwan;Jang, Yoon Ah;Lee, Jun Gu;Nam, Chun Woo;Lee, Hee Ju;Choi, Chang Sun;Um, Young Chul
    • Horticultural Science & Technology
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    • v.31 no.5
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    • pp.531-537
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    • 2013
  • The average annual and winter ambient air temperatures in Korea have risen by 0.7 and $1.4^{\circ}C$, respectively, during the last 30 years. Radish (Raphanus sativus), one of the most important cool season crops, may well be used as a model to study the influence of climatic change on plant growth, because it is more adversely affected by elevated temperatures than warm season crops. This study examined the influence of transplanting time, nitrogen fertilizer level, and climate parameters, including air temperature and growing degree days (GDD), on the performance of a radish cultivar 'Mansahyungtong' to estimate crop growth during the spring growing season. The radish seeds were sown from April 24 to May 22, 2012, at internals of 14 days and cultivated with 3 levels of nitrogen fertilization. The data from plants sown on April 24 and May 8, 2012 were used for the prediction of plant growth as affected by planting date and nitrogen fertilization for spring production. In our study, plant fresh weight was higher when the radish seeds were sown on $24^{th}$ of April than on $8^{th}$ and $22^{nd}$ of May. The growth model was described as a logarithmic function using GDD according to the nitrogen fertilization levels: for 0.5N, root dry matter = 84.66/(1+exp (-(GDD - 790.7)/122.3)) ($r^2$ = 0.92), for 1.0N, root dry matter = 100.6/(1 + exp (-(GDD - 824.8)/112.8)) ($r^2$ = 0.92), and for 2.0N, root dry matter = 117.7/(1+exp (-(GDD - 877.7)/148.5)) ($r^2$ = 0.94). Although the model slightly tended to overestimate the dry mass per plant, the estimated and observed root dry matter and top dry matter data showed a reasonable good fit with 1.12 ($R^2$ = 0.979) and 1.05 ($R^2$ = 0.991), respectively. Results of this study suggest that the GDD values can be used as a good indicator in predicting the root growth of radish.

The Labeling Effect and the Politics of hostile Exclusion in Korean Society - Centered on 'Pro-North Korean leftist Forces'/'Pro-Japanese Dictatorship Forces' - (한국사회에서의 낙인효과와 적대적 배제 정치 - '종북좌파'/'친일독재 세력'을 중심으로 -)

  • Sunwoo, Hyun
    • Journal of Korean Philosophical Society
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    • v.145
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    • pp.271-296
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    • 2018
  • In this article, I intend to reveal critically both the intrinsic crux and main problems of the politics of hostile exclusion based on the effect of labeling which was designed precisely as an impure political technique and has been operated for too long in Korean society by the conservative ruling class that centered on various negative ideological labels like 'pro-North Korean leftist forces.' Firstly, what is called the 'conservative ruling class' in Korean society is in itself an antinationalistic and antidemocratic pro-Japanese dictatorship group. Secondly, the conservative ruling class as a pro-Japanese dictatorship group has utilized politically the labeling effect which regards antigovernment Korean members as pro-North Korean or rebellious persons. This group's hostile politics, based on the ideological labelling effect, deprives antigovernment persons and groups of the qualification of Korean citizenship, in order to hold and retain their supreme power in Korean society. Thirdly, the conservative ruling class has attempted to stigmatize the citizens who participate in a movement for democracy as a pro-North Korean leftist force, but such a politically impure manner is typically completely unjustified groundless labeling. Fourthly, the attempt to define the conservative ruling class as a pro-Japanese dictatorship force is normatively justified and resonably appraised insofar as such a definition has been proved to be worthy of confidence. Finally, the trial to consider Roh's regime and pro-Roh (pro-Moon) groups as a kind of Yeongnam hegemonism by several critical intellectuals and current politicians from Honam region is not only merely a groundless and unconvincing labelling, but also the failed outcome of the attempt to systemize logically their emotional antipathy and repulsion toward Roh and pro-Roh (pro-Moon) groups.

Distancing Philosophy from the Real Ruling Power, a Philosophical Belief or an Opportunist Behavior Compromising with Reality? - centered on Kim Tae-Gil - (현실 권력과의 거리두기 철학(함), 철학적 소신인가 현실 타협적 기회주의 행태인가 -김태길을 중심으로-)

  • Sunwoo, Hyun
    • Journal of Korean Philosophical Society
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    • v.129
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    • pp.111-140
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    • 2014
  • In this paper, the main subjects with which I deal are as follows: (1) Is Distancing Philosophy from the real ruling power a way of practical-philosophical resistance, based on social reformation as a axiological directivity of Kim Tae-Gil's ethical thought, though it is negative type of resistance? Or is it a sort of transformed value-free opportunist behavior which allows antidemocratic ruling group to coerce the people into submission, assuming an uncompromising stand seemingly? (2) Is Kim's defense argument on the opening of the course of National Ethics and the all-out activation of National Ethics education under Park's Yushin Regime derived from his own philosophical belief? Or is it brought out from the external conditions and circumstances surrounding Kim Tae-Gil which forces him to participate in the national undertaking for the settlement of the course of National Ethics in the university? The 'provisional' answers about the two subjects are as follows: (1) Kim's Distancing Philosophy is a type of practical philosophical revolt against the dictatorship power under Yushin Regime, though it is negative form of resistance. We can accept this philosophical elucidation above all by confirming the fact that the reform of reality is the main ethical trait running through his entire ethical thought system. However distancing philosophy disclose the crucial limits to allow itself to boil to the philosophical practice compromising with real ruling power eventually, though it is intended upon its own social ethical directivity and conviction. (2) The primary factor which affects Kim to propose such an advocation argument on the course of National Ethics and the education of National Ethics is the external conditions and circumstances surrounding him, especially the power-relation between he and ruling group and intimate human relation between he and his superior philosophers who carries out the role of a ideologue for the Yushin Regime, rather than his own philosophical belief. But no matter what primary factor, Kim's action to make a advocating argument to support the course and the education of National Ethics is to blame, on that account that he cannot adequately his social responsibility and role given to him as a reformist moral philosopher who will pursue the realization of righteous democratic society. Along with that, It is not too enough to criticize him sharply for such defending action. The reason is that his supporting stance for National Ethics education is brought out, by not adhering closely to the philosophical way of distancing from the dictatorial power devoid of political legitimacy and moral justification.

Development of 3D Printed Snack-dish for the Elderly with Dementia (3D 프린팅 기술을 활용한 치매노인 전용 영양(수분)보충 식품섭취용기 개발)

  • Lee, Ji-Yeon;Kim, Cheol-Ho;Kim, Kug-Weon;Lee, Kyong-Ae;Koh, Kwangoh;Kim, Hee-Seon
    • Korean Journal of Community Nutrition
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    • v.26 no.5
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    • pp.327-336
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    • 2021
  • Objectives: This study was conducted to create a 3D printable snack dish model for the elderly with low food or fluid intake along with barriers towards eating. Methods: The decision was made by the hybrid-brainstorming method for creating the 3D model. Experts were assigned based on their professional areas such as clinical nutrition, food hygiene and chemical safety for the creation process. After serial feedback processes, the grape shape was suggested as the final model. After various concept sketching and making clay models, 3D-printing technology was applied to produce a prototype. Results: 3D design modeling process was conducted by SolidWorks program. After considering Dietary reference intakes for Koreans (KDRIs) and other survey data, appropriate supplementary water serving volume was decided as 285 mL which meets 30% of Adequate intake. To consider printing output conditions, this model has six grapes in one bunch with a safety lid. The FDM printer and PLA filaments were used for food hygiene and safety. To stimulate cognitive functions and interests of eating, numbers one to six was engraved on the lid of the final 3D model. Conclusions: The newly-developed 3D model was designed to increase intakes of nutrients and water in the elderly with dementia during snack time. Since dementia patients often forget to eat, engraving numbers on the grapes was conducted to stimulate cognitive function related to the swallowing and chewing process. We suggest that investigations on the types of foods or fluids are needed in the developed 3D model snack dish for future studies.

The Importance of Kant's 'Sensus Communis' in the Contemporary Practical Philosophy : Focused on the Relation between Autonomy and Solidarity (현대 실천철학에서 칸트 공통감 이론의 중요성 - 자율성과 연대성을 중심으로 -)

  • Kim, Suk-soo
    • Journal of Korean Philosophical Society
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    • v.123
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    • pp.57-86
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    • 2012
  • Many contemporary philosophers argue that modern philosophy is only the philosophy being imprisoned in subject and consciousness without communicating other subjects with language. They criticize that it is solipsistic. Today, those who are taking part in the communication theory, hermeneutics, and de-constructivism are trying to overcome this problem. The practical philosophers, especially those who advocate communintarianism criticize that modern libertarianism is not free from the isolated autonomy and breaks the solidarity of the traditional community with treating formally others. They criticize Kant's philosophy in the same way. But it is unreasonable. Because Kant was not the philosopher who pursued the same philosophy of subjectivity and liberalism as the earlier modern philosophers pursued. He tried to criticize its limits and overcome them. Especially he did not remain within the modern subjectivity, but rather tried to come up with the inter-subjectivity communicating between subjects. He showed this side through the 'sensus communis'. He thought of a judgement of taste as an effect resulting from the free play between imagination and understanding, and postulated the 'sensus communis' as a ground of the universal validity of this judgement. Therefore this 'sensus communis' is the subjective principle of a judgement of taste. Furthermore, he did not treat this 'sensus communis' merely as a self-relation of a subject, but rather developed it into an communicative relation among subjects. This position of Kant enables us to seek the harmony between the aesthetic sphere and social-moral sphere, and to overcome the conflicts between the autonomy of the liberalism and the solidarity of the communitarianism. Especially, his 'sensus communis' can be developed into the 'critical hermeneutics' and the 'relational autonomy'. Therefore his 'sensus communis' has the possibility to overcome the negative points of the traditional community and the modern community, and to overcome the conflicts among the isolated selves occurring in today's society. Hence Kant's 'sensus communis' has still the important values in the contemporary philosophy, especially in the practical philosophy being now discussed over the relation between autonomy and solidarity.

Assessing Impacts of Temperature and Carbon Dioxide Based on A1B Climate Change Scenario on Potential Yield of Winter Covered Barley in Korea (A1B 기후변화시나리오에 따른 미래 겉보리 잠재생산성 변화 예측)

  • Shim, Kyo Moon;Lee, Deog Bae;Min, Seong Hyeon;Kim, Gun Yeob;Jeong, Hyun Cheol;Lee, Seul Bi;Kang, Ki Keong
    • Journal of Climate Change Research
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    • v.2 no.4
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    • pp.317-331
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    • 2011
  • The CERES-Barley crop simulation model of DSSAT package was used to assess the impacts of climate change on potential yield of winter covered barley in Korea. 56 sites over the southern part of Korean peninsula were selected to compare the climate change impacts in various climatic conditions. The climatological normals (1971~2000) and the three future climatological normals (2011~2040, 2041~2070, and 2071~2100), based on A1B climate change scenarios of Korea, were used in this study, and the three future climatological normals were simulated under three environmental conditions, where only temperature change, only carbon dioxide change, and both of temperature and carbon dioxide change with future A1B climate change scenarios, respectively. Results: The CERES-Barley model was suitable for predicting climate change impacts on the potential yield of winter covered barley, because of the agreement between observed and simulated outcomes (e.g., the coefficient of determination of grain yield equals 0.84). (1) The only increased temperature effect with the climate change scenarios was mostly negative to the potential yield of winter covered barley and its magnitude ranges from -21% to +1% for the three future normals. (2) The effect of the only elevated carbon dioxide on the potential yield of winter covered barley was positive and its magnitude ranged from 12% to 43% for the three future normals. (3) For increased temperature and elevated carbon dioxide change cases, potential yields increased by 13%, 21%, 19% increase for the 2011~2040, 2041~2070, 2071~2100 normals, respectively.

The Origin of the Square-Shaped Jangmyeongdeung of Jeongneung Royal Tomb and Its Stylistic Development -In Comparison with the Buddhist Temple Stone Lanterns- (조선 정릉(貞陵) 사각 장명등(四角長明燈) 양식의 원류와 전개 -사찰 석등과의 비교를 통해 -)

  • Kim, Ji Yeon
    • Korean Journal of Heritage: History & Science
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    • v.43 no.4
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    • pp.24-55
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    • 2010
  • Jangmyeongdeung Lantern (貞陵長明燈) refers to the stone lantern placed in front of the royal tomb. It serves both symbolic and decorative purposes; symbolic because it is supposed to guard and illuminate the buried, and decorative because it is a work of sculpture that adorns the entire graveyard. The Jangmyeongdeung of Jeongneung was the earliest stone lantern to be produced during the Joseon period. Its square shape is unique among those from the early to mid-Joseon period. The three major parts of Jangmyeongdeung - the stand, the lantern, and the roof-shaped cover parts - are square in shape, differing from the octagonal shaped Jangmyeongdeung. The stand consists of three single stone blocks, the Hadaeseok(下臺石), Ganjuseok(竿柱石), and Sangdaeseok(上臺石). The Hwasaseok(火舍石), or the lantern part, is also a single stone block. Jangmyeongdeung of Jeongneung succeeds the style of those of Hyeon-neung and Jeongneung(玄正陵) of the Goryeo period and is of a better artistic quality. As the first Jangmyeongdeung lantern, it is a refined work of art that marks the foundation of the Joseon Kingdom. This paper tries to ascertain the stylistic origin of the square-shaped Jangmyeongdeung of Jeongneung and compare it with those of Buddhist temples. Consequently, similarities were found among the stone lanterns of Zen priests 'Jigong'(指空) and 'Nawong'(懶翁) in the Hweamsa Temple(檜巖寺) site from the late Goryeo period, those of Zen priest 'Muhak'(無學) of the Hweamsa Temple site, and those of national priest 'Bogak'(普覺) of Cheongnyongsa Temple(靑龍寺) from the early Joseon period. Primarily, this is because the three components(the stand, the lantern part, and the roof-shaped cover) are essentially square-shaped. Second, as the Ganjuseok(one of the components of the stand) became shorter, the stand took a more stable form. Third, the Hwasaseok(the lantern part) consists of two stone blocks joined together. Fourth, the roof-shaped cover is also in square in shape. Similarly, the Jangmyeongdeung of Jeongneung contains Buddhist elements as well. The three-bead pattern that decorates the Ganjuseok stand is an example. The three-bead pattern is one of the symbolic elements related to Tantric Buddhism. It is found on the diadems worn by Bodhisattvas from the Goryeo and early Joseon periods. The Jangmyeongdeung of Jeongneung in early Joseon directly influenced the production of the square-shaped stone lanterns used to decorate the tombs during the Joseon period. After the latter half of the 15th century, however, the octagonal-shaped Jangmyeongdeung style began to prevail. The Jangmyeongdeung of Jeongneung reflects the succession of the tradition of royal tombs from Goryeo to Joseon, the introduction of square-shaped stone lanterns to Buddhist temples, and the influence of the Buddhist philosophy of the time. It is a living testimony to various elements of each time and corresponding cultural trends.

Evaluating Quadriceps Muscle Damage after Downhill Running of Different Intensities using Ultrasonography (내리막 달리기 후 국소 근손상의 영상학적 비교분석 : 운동 강도의 영향)

  • Sun, Min Ghyu;Kim, Choun Sub;Kim, Maeng Kyu
    • Journal of the Korean Applied Science and Technology
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    • v.36 no.3
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    • pp.1028-1040
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    • 2019
  • The current study was performed to investigate the magnitude of exercise-induced muscle damage (EIMD) after downhill running (DR) of different intensities and to examine the availability of muscle echo intensity as biomarkers to detect regional damage within quadriceps muscle group (QG) following DR. Healthy college-age men (n=11) were experienced twice DR sessions [$50%HR_{max}$ DR, LDR; $70%HR_{max}$ DR, HDR] separated by a 2-week wash-out period with the random order. After DR, severity of EIMD according to exercise intensity were determined by serum creatine kinase (CK) activity, muscle tenderness, and neuromuscular function indicators such as a maximal voluntary isometric contraction (MVIC) and range of motion (ROM). Transvaginal B-mode imaging had been employed to evaluate regional muscle echo intensity within QG [rectus femoris, RF; vastus lateralis, VL; vastus medialis, VM; vastus intermedius, VI]. After both DR sessions, changes in serum CK activity and muscle tenderness have tended to more increase in HDR compared to those of LDR. There was a significant interaction effect between exercise intensity during DR and the time course of serum CK activity(p<.05). However, there were no statistical differences between sessions in muscle tenderness. The time course of changes in the neuromuscular functions after DR were similar to those of regional muscle echo intensity regardless exercise intensity. Although neuromuscular function showed to decline in HDR more than those of LDR after DR, no statistical differences between sessions. In contrast, there were significant interaction effects between sessions and time course of changes in RF and VL muscle echo intensity(p<.01), but not shown in those of VI and VM. These results indicated that each muscles within the QG show different response profiles for EIMD during DR, exercise intensity influences on these responses as well. In particular, current findings suggested that muscle echo intensity derived from ultrasound imaging is capable of detecting regional muscle damage in QG following DR.

A Study on the Performance Certification System of Inspection and Diagnostic Equipment for Infrastructure using Advanced Technologies (첨단기술을 이용한 시설물 점검 및 진단장비 성능인증체계에 대한 연구)

  • Hong, Sung-Ho;Kim, Jung-Gon;Cho, Jae-Young;Kim, Do-Hyoung;Kim, Jung-Yeol;Kim, Young-Min;Lee, Dong-Wook
    • Journal of the Society of Disaster Information
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    • v.17 no.1
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    • pp.97-111
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    • 2021
  • Purpose: It is expected that various infrastructures diagnosis equipment will be needed as infrastructures management is strengthened to implement the Framework Act on Sustainable Infrastructure Management. It is necessary for a certification system to supply certified products of a reasonable level in accordance with market requirements for various convergence equipment. This paper deals with the introduction of certification system of inspection and diagnosis equipment for infrastructure using advanced technologies. Method: The basic elements, systems and procedures of certification system were reviewed through analyzing and comparing the existing similar certification system in Korea. In addition, a survey was conducted on a catalog method and the minimum performance criterion (sampling survey and complete enumeration survey) to equipment developers (manufacturers), clients and equipment users. Result: This survey showed that clients preferred complete enumeration method on the basis of minimum performance, and equipment users also preferred complete enumeration survey and sample survey, for minimum performance, at a similar rate. On the other hand, equipment developers preferred the catalog method. Conclusion: Clients and users who are the users of the diagnostic equipment preferred the minimum performance criterion because their trust in quality is important. On the other hand, developers(manufacturers) preferred the catalog method which adopts self certification because it is regulated in developing various products. There is no specific plan for the minimum performance standards required for the introduction of the method which users demand, at present. In addition, it is not desirable to force to introduce a certification system because it requires a considerable period of study to prepare the specific standards. Therefore, it is appropriate to operate the system for a certain period of time centering around the catalog method for the stable and continuous development of the infrastructure diagnosis and test equipment market in Korea. Also, it is effective to expand and develop the certification system to the extent that it minimizes the impact on the market when specific plans for the standards are prepared in the future.

In the view of the identity of Cheoyong Cultural Festival of Ulsan (삼국유사 「처용랑망해사(處容郞望海寺)」조 깊이 읽기 - 울산광역시 처용문화제의 정체성과 관련하여 -)

  • Kang, seog keun
    • (The) Research of the performance art and culture
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    • no.32
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    • pp.465-488
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    • 2016
  • This paper attempts to read in different ways and to interpret newly on Cheoyongrang mhang-hae-sa in "Sam-guk-yu-sa". Ulsan have held Cheoyong Cultural Festival for 47 times according to "Sam-guk-yu-sa". However, there have been a frequent identity crisis about Cheoyong Cultural Festival because of controversial issue about Cheoyong, This paper interpretate Cheoyongrang mhang-hae-sa newly to overcome these crisis, Cheoyong's dancing and retreating was not the resignation and tolerance, but the treat and warning, as the dance of Namsansin god of Posukjeong, Buk-acksin god of Keumkangryung and Jisin god of Dongryejeon was the warning of Silla's ruination. 'The Mhang' of Mhang-he-sa temple should be interpreted not as 'watch' but 'fifteen days'. Mhang-he means the roads buried in darkness and vanished had become a sea. The name of Shin-bhang-sa temple means Gae-un-po province of Ulsan had become 'the newly purified region' because of the inspection of King Heon-ghang. The main keyword of Cheoyongrang mhang-hae-sa is 'Byuk-sa-jin-gyung'. 'Byuk-sa-jin-gyung' means to repel the impious and pray the pleasure. The purpose of the personal Gut and national Gut, Narae, was also 'Byuk-sa-jin-gyung'. The reinvented bridal room with a fresh life was like the world of Byuk-sa-jin-gyung. The dance of God Sa-bhang was, as well the desperate desire to New Silla. Cheoyong was a shaman with a superior authority who set up the power to foresee to the god of smallpox. The image of Cheoyong at is not the resignation and tolerance, but the foresight and authority. Therefore, the slogan of Cheoyong Cultural Festival, the resignation and tolerance, should be reexamined. The new Cheoyong Cultural Festival should adopt the concept of foresight and authority and Byuk-sa-jin-gyung. Cheoyong Cultural Festival, have been held for 49times, often had identity problems. The identity of Cheoyong have been misinterpreted as the resignation and tolerance. The slogan of Cheoyong Cultural Festival should be reexamined. The new Cheoyong Cultural Festival should adopt the concept of foresight and authority and Byuk-sa-jin-gyung.