• Journal of Korean Society of Forest Science
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• v.97 no.4
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• pp.452-457
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• 2008

In order to develop an efficient micropropagation technique effect of plant growth regulators (PGRs) affecting on shoot proliferation from shoot apex in Pyrus ussuriensis was tested. Generally, there was no conspicuous effect on shoot induction by the treatment of PGRs and one or two shoots/explant were induced when cultured on MS medium supplemented with BA and/or BA plus NAA. Both apical shoot necrosis and hyperhydric shoots were observed frequently in multiplied shoots, and callus was formed at the basal part of shoots. About 20% spontaneous rooting was achieved in growing shoots, however the proliferated shoots exhibited poor rooting rate in gelrite supported media. When we tried to ex vitro rooting of the shoot cutting, the shoot cuttings rooted up to 50% with 100 mg/L IBA application. The rooted plantlets grew normally after acclimatization in the greenhouse.

• Proceedings of the Korea Contents Association Conference
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• 2013.05a
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• pp.321-322
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• 2013

This study attempted to anyone so that you can experience the dance, the dance activities were considering the personal characteristics of the elementary school program that combines dance movements and theatrical representation by presenting a model of the program. May appear in physical activity and changes in emotion recognition focused on elementary school students by applying to the program, the result of applying the participants through a program of dance activities, according to the mutual recognition of body motion expressed through the body, and how to communicate the meaning of the expressions in various ways positive thinking, voluntary participation, and interpersonal relationships and was able to deliver, and have self-confidence and self-esteem for physical activity and altered consciousness.

• The Journal of the Korea Contents Association
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• v.15 no.3
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• pp.370-377
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• 2015

Organizational trust (OT) plays a substantial role to attain competitive advantages. It is an effective way to enhance organizational effectiveness. OT makes employees to have a positive emotion toward a firm, also it contributes employees to bring a spontaneous behavior. The purpose of this study is to investigate the relationships among OT, organizational commitment (OC), and organizational citizenship behavior (OCB) theoretically and empirically. A total of 228 cases in 15 Chinese companies are used for empirical analysis. The results show that OT has a positive effect on OC and OCB. It is suggested that OT is an important variable to improve emotional and continuance commitment. Also the results reveal that OCB is a meaningful dependent factor that is affected by OC.

• KDI Journal of Economic Policy
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• v.15 no.2
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• pp.65-87
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• 1993

본고(本稿)는 빈곤문제(貧困問題)를 둘러싼 새로운 시각(視角)을 설명하고 빈곤대책(貧困對策)의 방향전환을 촉구하기 위해서 집필되었다. 복지차원(福祉次元)의 부조(扶助)에 의존하기보다는 스스로의 노동(勞動)에 의해 자립(自立)할 수 있도록 도와주는 것이 최선(最善)의 빈곤대책(貧困對策)이라고 보는 시각(視角)인 것이다. 세계은행(世界銀行) 둥이 빈곤대책(貧困對策)을 보더라도 가능한 한 자신의 노력(努力)과 노동(勞動)에 의해 자립(自立)할 수 있어야 하며 또한 그러한 기회가 최대한 보장되어야 한다는 점이 부각되고 있다. 사회부조(社會扶助)의 대상자들인 빈민(貧民)들이 개인적(個人的)으로나 자발적(自發的)인 조직화에 의해 시장경제(市場經濟)에 참여하여 적극적인 삶의 추구를 도모할 때 이는 취업증가를 통한 소득증가(所得增加), 나아가서 지역개발(地域開發) 및 국가경제성장(國家經濟成長)에도 기여하게 될 것이다. 더불어 사회적(社會的) 안정(安定) 및 정치적(政治的) 기반형성(基盤形成) 등 바람직한 외부효과(外部效果)를 창출할 가능성이 높게 된다. 본고(本稿)는 태동되기 시작한 빈민들의 생산협동조합운동(生産協同組合運動)에 초점을 맞추어 지역사회에 근거를 둔 경제공동체사업(經濟共同體事業)의 활성화를 강조하고 있다. 이로써 취업기회(就業機會)가 확충되고 지역개발(地域開發)이 촉진되며 그들의 소득증가(所得增加)를 통하여 탈빈곤(脫貧困)에도 도움을 줄 수 있을 것이므로 빈곤대책(貧困對策)의 우선순위(優先順位)가 여기에 두어져야 할 것이라고 제안하고 있다. 조금이라도 일할 수 있는 능력(能力)이 있다면 빈민(貧民)들은 협동조합(協同組合)을 결성하여 자립(自立)할 수 있도록 스스로 노력해 나가야 할 것인바, 이에 대하여 정부는 새마을금고(金庫) 등을 통한 금융지원(金融支援)과 조세감면(租稅減免)을 통하여 조직화를 지원하는 방향으로 인센티브를 제공해야 할 것이다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.7 no.6
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• pp.1381-1389
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• 2006

This paper intends to investigate the present conditions of and try to develop the programs to activate the public officials participation in Korean government. The results of this research show us that most of the public officials are now recognizing the importance of the practical participation in the decision making process of their ministries. In order to attain the participation, before anything else, the minister's(or CEO's) strong will and efforts are most important factor. Ana, from the institutional perspective, it is necessary to reshuffle the various kinds of the administrative systems, especially the public of facials appointment systems.

• Clinical and Experimental Reproductive Medicine
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• v.26 no.1
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• pp.89-96
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• 1999

Some of the information concerning sexual function in the male diabetes has been focused upon the problems of endocrine or semen parameters. However, the characteristics of acrosome reaction and spermatozoa concentration at the epididymis and vas deferens have scarcely been studied, and the causes of the infertility has not been critically identified. So, we designed to inspect the spermatozoa concentration and the characteristics of acrosome reaction at epididymis and vas deferens of diabetic Wistar rat induced by streptozotocin (STZ, 70 mg/kg, ip). Experimental animal was sacrificed at 3 days and 14 days after the STZ injection. In the diabetes-induced rat, the levels of insulin and glucose had a pattern of inverse proportion. The spermatozoa concentrations in caput and corpus epididymis were significantly decreased in all diabetic condition. In cauda epididymis, however, there was significant decrease in sperm concentration at 14 days onward. In diabetic rat, the spontaneous reaction rate of spermatozoa of cauda and vas deferens were significantly higher than the control group. The ARIC (acrosome reaction to ionophore challenge) value of caudal sperm was 28.7 at control, 22.1 at 3 days, and 8.3 at 14 days. In the present study the spermatozoa concentration was decreased and the spontaneous reaction rate was increased by diabetes. In ARIC-test, it is revealed that the fertility of spermatozoa of 14 days group was lower than control or 3 days group. Diabetes mellitus may be provoke the decreased fertilization rate and subsequent infertility and subsequent infertility.

• Fire Science and Engineering
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• v.28 no.1
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• pp.64-70
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• 2014

A Volunteer Fire Brigade is a voluntary social services organization that performs various assistance works in fire fighting activities such as fire fighting and rescue of human lives on a part-time basis. Recently, it has also assumed an important role in the creation of security culture of local society. Besides, it provides diverse service activities related to security of local society. However, as this kind of volunteer fire brigade organization is not in a vigorous state, research for an improvement is being carried out in earnest. As part of a vitalization plan of the volunteer fire brigade, an attempt was made in this research to present an activation plan of the volunteer fire brigade through formation of social capital. Accordingly, efforts were made in this research to investigate and analyze an awareness of social capital among the volunteers and to present on this basis a plan for formation of social capital for the volunteer fire brigade of local society. As a result of the research, it turned out that social norm has the major effect on the formation of social capital for volunteer fire brigade. Therefore, it is our belief that an independent statute should be established to nurture and develop volunteer fire brigades. And when strong mutual trust among the volunteers are formed and efforts for devotion to local society are made on this basis, the security level of local society will be enhanced further.

• Journal of the Economic Geographical Society of Korea
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• v.25 no.4
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• pp.469-483
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• 2022

This paper aims to examine how and why the role of Seoul National University has evolved through the formation of Seoul National University's entrepreneurial ecosystems (SNUEEs). To identify this, we used secondary data on SNU entrepreneurship and did in-depth interviews with 17 student entrepreneurs and supportive actors in the ecosystems. First, the university-industry cooperation policy and the first start-up boom in the late 1990s gave rise to the first generation of SNUEEs. They entered the second generation with the second start-up boom in 2010. The third generation emerged through the government's start-up support policy and the venture investment market revitalization in 2017. Second, SNUEEs have experienced transformations of the university's role from an 'ivory tower' to a 'feeder of knowledge and labor' and have become a 'hub of knowledge networks.' Third, hub institutions and organizations were established and supported by government policies, and networks of SNUEEs have been embedded in these hub institutions and organizations. SNUEEs as a hub university are evolving through the formation of a voluntary entrepreneurial culture by student entrepreneurs, the supportive policy at the university level, and the establishment of linkages with the region where the university is located.

• Journal of the korean academy of Pediatric Dentistry
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• v.37 no.2
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• pp.226-232
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• 2010

Incidence of tooth impaction varies from 5.6 to 18.8% of the population. Failure of eruption of the first and second permanent molars is rare; the prevalence in the normal population is 0.01% in case of the first permanent molar, and 0.06% in case of the second permanent molar. Permanent molars are particularly important for providing sufficient occlusal support and co-ordinating facial growth. Failure of eruption of permanent molars may result in various complications such as decrease in vertical dimension, posterior open bite, extrusion of antagonistic teeth, resorption and inclination of adjacent teeth, formation of cyst and so on. Treatment options of impacted teeth are periodic observation, surgical exposure, surgical exposure with subluxation, orthodontic relocation, and surgical extraction before prosthetic treatment. Early diagnosis and treatment are important, because delayed treatment induces various problems such as decreased spontaneous eruptive force, decreased successful percentage, increased treatment period, increased various complications. Prevalence of the failure of mandibular first molars is rare but eruptive guidance before extraction of impacted teeth is necessary due to importance of permanent molars. We reported two cases of surgical exposure of impacted mandibular first molar. In these cases, we could observe different result of the impacted mandibular first molar after surgical exposure.

• Korean Security Journal
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• no.51
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• pp.153-170
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• 2017

The purpose of this study is to rediscover the operation of anti-terrorism system focusing on the system approach and crisis management approach for counter terrorism in Korea. According to the results of this study, it is required to establish a link between open systems and integrative system focusing on functional linkage of counter-terrorism systems, and cooperative measures with private sectors in the dimension of governance activation. Further, it is necessary to prepare legal foundations for the cooperation with private sectors and then promote open consciousness transformation through the partnership with private security for anti-terrorism activities. In addition, in its preventive stage, it is required to prepare legal systems related to biochemical terrorism for stronger regulations through crisis-managerial approach. Next, in its preparatory stage, it is necessary to prepare education and enact named Terror Prevention Day for increasing terror safety consciousness, and then extend citizen reporting reward systems to enable citizens to participate and become interested voluntarily in terror prevention. Also, it is essential to establish the substantial training system for preparing for terror occurrence. Moreover, in its response stage, it is urgent to construct networks between related institutions to manage field and spot responses with integrative management systems through information sharing. Furthermore, in its restoration stage, it is indispensible to prepare long-term management systems for injured persons and families of the deceased from terror incidents.