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Basic Studies on the Plant Ecosystem for the Environmental Conservation in Masan District (마산지역의 환경보전을 위한 식물생태계의 기초연구)

  • 이경재;이명우
    • Journal of the Korean Institute of Landscape Architecture
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    • v.13 no.1
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    • pp.79-94
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    • 1985
  • This study was carried out to give basic information about the environmental conservation in Masan District. It included the actual vegetation the degree of human disturbance of vegetation, plant biomass and biomass production. The natural vegetation was nonexistent and the major plant communities of the secondary forest was P. thunbergii-Q. acutissima and Quercus forest. P. thunbergii-Q. acutissima community area was 29.2% of Masan District and the secondary forest and the afforestation area was 48% and 13% of Masan District respectively. The ecological diversity of the plant community was high value in Q. acutissima- P. thunbergii, Q.aliena and Carpinus laxiflora-Q.variabilis communicty. As the investigation of the ecological succession in Masan Forest, P. thunbergii community is edaphic climax and mixed forest will be changed gradually dominant species of Quercus species. It was implied that Genus Quercus hadnever beenso easily taken ever by the Genus Pinus which forms the edaphic climax at vast areas of forest land. In the degree of human disturbance of vegetation, the degree 7 (secondary forest 1) was 52.8% and the green spaces in Masan cover 65%, which nongreen spaces 35 %. Total amount of plant biomass produced from Masan District was estimated to be 160, 470.95 tons. Annual Production of dry matter biomass amounts to be 32,940.64 tons. Estimated amount for O$_2$produced annually from the vegetated area in Masan was 34,856 tons.

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Effects of Stellate Ganglion Block on the Peri-operative Vasomotor Cytokine Content and Intrapulmonary Shunt in Patients with Esophagus Cancer

  • Guo, Wei;Jin, Xiao-Ju;Yu, Jun;Liu, Yang;Zhang, Jian-Ping;Yang, Da-Wei;Zhang, Lei;Guo, Jiang-Rong
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.21
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    • pp.9505-9509
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    • 2014
  • Objective: To investigate the effects of stellate ganglion block (SGB) on the peri-operative vasomotor cytokine content and intrapulmonary shunt in patients with esophagus cancer who underwent thoracotomy. Materials and Methods: Forty patients undergoing elective resection of esophageal cancer patients who had I~II American Society of Anesthesiologist (ASA) were randomly divided into total intravenous anesthesia group (group N, n=20) and total intravenous anesthesia combined with SGB group (group S, n=20, 0.12 mL/kg 1% lidocaine was used for SGB 10 min before induction). Heart rate (HR), mean arterial pressure (MAP), central venous pressure (CVP), mean pulmonary arterial pressure (MPAP) and continuous cardiac output (CCO) were continuously monitored. The blood from internal jugular vein was drawn respectively before induction ($T_0$), and 30 min ($T_1$), 60 min ($T_2$) and 120 min ($T_3$) after one-lung ventilation (OLV), and 30 min (T4) after two-lung ventilation. The contents of plasma endothelin (ET), nitric oxide (NO) and calcitonin gene-related peptide (CGRP) were detected with enzyme linked immunosorbent assay (ELISA). Meanwhile, arterial and mixed venous blood samples were collected for determination of blood gas and calculation of intrapulmonary shunt fraction (Qs/Qt). Results: During OLV, ET contents were increased significantly in two groups (P<0.05), and no significant difference was presented (P>0.05). NO content in group S was obviously higher than in group N at T3 (P<0.05), whereas CGRP content in group N was markedly lower than in group S at each time point (P<0.05). Qs/Qt was significantly increased in both groups after OLV, but there was no statistical significant regarding the Qs/Qt at each time point between two groups. Conclusions: Total intravenous anesthesia combined with SGB is conducive to regulation of perioperative vasomotor cytokines in thoracotomy, and has little effect on intrapulmonary shunt at the time of OLV.

A Study on Management Strategies of Time Based on Visitor's Moving Pattern in Mudeungsan Provincial Park (무등산도립공원 시간대별 탐방객 이동패턴에 따른 관리방안 연구)

  • Kim, Bo-Hyun;Oh, Koo-Kyoon
    • Korean Journal of Environment and Ecology
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    • v.26 no.6
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    • pp.960-969
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    • 2012
  • This study aims to understand the time-based moving pattern and suggest management strategies through surveying the number of visitors from 7 a.m. to 7 p.m. for 3 days of each season in 3 key sites (Jeungsimsa district, Wonhyosa district and Jungmeorijae) of Mudeungsan Provincial Park. Majority of visitors who entered through Jeungsimsa district and Wonhyosa district visited the Mudeungsan provincial park from 9 a.m. to 2 p.m., and the number of enterers reached the peak from 10 to 11 in the morning. Majority of the visitors left the Mudeungsan provincial park from noon to 5 p.m.. The number of leavers showed the peak between 2 and 4 in the afternoon. Most of visitors who moved via Jungmeorijae from 11 a.m. to 3 p.m. climbed toward Jangbuljae or Jungbong or came down to Jeungsimsa district or Wonhyosa district. The number of enterers hit the highest from 11 a.m. to 1 p.m.. However, there was no stark difference in the time-based moving pattern of each season and days of week. The special intensive management such as providing visitor service, conducting a campaign and restoring the damaged land in concentrated site and time is needed for conserving natural resources and improving visitors satisfaction.

Verification of Market's Efficiency and CAPM using Capitalization Rate at Commercial Real Estate Market in Seoul (서울의 상업용 부동산 시장에서 자본환원율을 이용한 시장 효율성과 CAPM의 검증)

  • Park, Jongkwon;Lee, Jaesu;Jun, Jaebum
    • Korean Journal of Construction Engineering and Management
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    • v.18 no.1
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    • pp.90-99
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    • 2017
  • This paper is to understand the impact of systematic risk on capitalization rate at office building market and retail real estate market in Seoul and to see if CAPM(Capital Asset Pricing Model) is applicable. For this, this paper considers eight different office building and retail real estate markets in Seoul city area, called GBD, YBD, CBD, and Other Business District, and GBD, SBD, CBD, and Other Business District, to find out if there is any positive-linearity between systematic risk and capitalization rate for each business district not. Then, this paper tries to verify applicability of CAPM to four office building markets and four retail real estate markets with Black, Jensen, and Scholes(1972)'s statistical methodology. At last, the result shows that there is positive linearity between systematic risk and capitalization rate only GBD except Others(YBD, CBD, and other business district) in office building market. In addtion, SBD and CBD, they could be figured out that it is not efficient market because increasing systematic risk declines capitalization rate in retail real estate market. However, CAPM is not applicable in all office building(GBD, YBD, CBD, and other business district) and retail real estate markets(GBD, SBD, CBD, and other business district) in Seoul.

Evaluation on Park Planning of Provincial Parks among Korea Natural Parks (자연공원 유형중 도립공원 계획의 평가)

  • Cho, Woo
    • Korean Journal of Environment and Ecology
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    • v.33 no.3
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    • pp.321-332
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    • 2019
  • The purpose of this study is to identify the problems and present the improvement measures by assessing the suitability of planning of provincial natural parks on a legal basis. We assessed the suitability of 29 provincial parks to examine the suitability of park planning (special-purpose district planning and facilities planning) according to the Natural Park Act, implementation of the park projects, and registration of Korea Real estate Administration intelligence System (KRAS) for park management and obtained the following results. In the case of the park nature conservation districts among the special-purpose districts, 24.1 % (7 parks) were not feasible or decided the park facility that was larger than the planned area. The amended law requires the park cultural heritage district as a new special-purpose district, but 41.2% did not designate the district or failed to comply with the standard. Moreover, there was a problem of establishing or announcing the plan that was unsuitable for the management of park village district (former collective facilities district). Although provincial parks are categorized as the restricted area, the park facility plans still focus on regional development and tourism development, and the titles (names) of the park facilities are wrong. The law requires digitalization and disclosure of park plans, but many parks fail to abide by the law. We judge that it is necessary to develop effective provincial park planning and establish the measures to protect and manage the provincial parks.

A Study on the Functions of Urban Health Centers under the Local Autonomy system (지방자치제에서의 도시보건소 기능강화 방안에 관한 연구)

  • 김진삼;박형종;김공현;김병성
    • Health Policy and Management
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    • v.4 no.1
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    • pp.1-24
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    • 1994
  • Recently, two main changes were observed in relation to activities of District Health Centers. One is the rapid increase in the quantity and variety of people's demands for health services due to improvement of income level and the other is an introduction of autonomy in local administration. Unitl recently, the District Health Services were mostly depended on the instructions and orders given by Central Governments, and it would be necessary to prepare for the future implementation of autonomous local administration. Especially, the urban health centers may need more attention than those in rural areas because of their complexity and it would be more difficult in choosing and implementing a most suitable health programs for urban communities. This study was made to find out a feasibl developmental model which could be applicable for the urban bealth centers in Kyeongnam- do area. The most studies relating to health centers activities in the past were made by saking questions to current health center workers, but this study has made an effort to find out the opinions of those who are representing the people in the community. For this study, therefore, the Members of Gity Parliament and Village Headmen from 10 cities is Kyeongnam- do were interviewed for the study and the results obtained were compared to those of health officers. It was found that both Parliament Members and Village Headmen were well aware of the need of health centers, however, they tend to put lower priority for health services in compare with other community activities, and pointed out poor quality of services and lack of public understanding as the problems to be overcome. As to the desirable body for policy decision and implementation of health programs, the Members of Local Parliament think the Local Parliament as ideal, where as Village Headmen prefer health experts, and health officenr prefer District Health Center respectively. The most urgent problems of the District health Centers are mentioned as lack of health manpower. As the results of his study, the followings are suggested for improvement of District Health Services; First : reinforcement of professional health workers, Second : establishment of Community Health Council, Third : strengthening of public health education and support, Fourth : flexibility in Local Autonomy and target system relating to health activities.

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Study on the Direction of Specialized Development for Andong City Cultural Industry Promotion District (안동시 문화산업진흥지구 특화발전 방향에 관한 연구)

  • Bae, Su-Bin;Kwon, Gi-Chang
    • 지역과문화
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    • v.4 no.1
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    • pp.1-26
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    • 2017
  • The 21st century recognizes culture as a high value-added strategic industry as it is called the culture era, and the cultural industry plays a role in driving regional economic development by raising the value added of other industries due to various ripple effects. As the institutional apparatus for developing such cultural industry, the Culture Industry Promotion Basic Law was enacted. Based on this, the Central Government designated the Jung-gu Dong and Seo-gu Dong as the Cultural Industry Promotion District of Andong City in 2010 but it has not been activated until 2017. The purpose of this study is understanding the situation and problems of the Cultural Industry Promotion District of Andong city and to discuss the direction of development. The research methods were analyzed by using questionnaires using AHP analysis technique for experts and practitioners related to culture industry. SPSS 23 was used for the validity and reliability of the questionnaire, and VBA was used for weighting and consistency index calculation in AHP analysis. As a result in the upper layer, Economy efficiency was found to be the most important factor of the three upper layer factors (Economy, Publicity, and Sociality) in order to activate the Cultural Industry Promotion District of Andong city. In the case of the Lieutenant layer, it is analyzed that the Job Creation is an important factor in the Economy category, the Settlement and Environment for Cultural Industry in the Publicity category, and the Activation of Urban Culture Activity in the Sociality category. As a result of analyzing the direction of promotion of the Cultural Industry Promotion District of Andong City centered on these factors, it concluded that the industry related to performance should be focused.

Effects of Cognitive Behavioral Therapy Program on mental health problems in children dealing with trauma: Focused on community district victimized by oil spill (외상을 다룬 인지행동 프로그램이 재해 피해 아동의 정신건강상태에 미치는 영향: 유류유출 피해 지역 아동을 중심으로)

  • Sohn, Jung-Nam;Lee, Yong-Mi
    • Journal of Korean Academy of Nursing
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    • v.42 no.1
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    • pp.56-65
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    • 2012
  • Purpose: This study was done to evaluate the effects of cognitive behavioral therapy in a victimized community district and to determine if the program is an effective nursing intervention to reduce posttraumatic stress disorder symptom, depression and state anxiety. Methods: A nonequivalent control group design was used for the study. The participants, 32 elementary school students, were selected from grades 4, 5, 6 and each student was assigned to either the experimental (16) or control (16) group. Cognitive behavioral therapy was used as the experimental treatment from April 9 to May 28, 2009. The experimental group received cognitive behavior therapy intervention 8 times. Data analysis was done using ANCOVA with SPSS 17.0. Results: After the intervention, the experimental group showed significantly lower levels of posttraumatic stress disorder symptoms than the control group. Conclusion: The findings from this study suggest that cognitive behavioral therapy is an effective nursing intervention to decrease the level of mental health problems of children in victimized district. Further research is required in order to identify the continuous effects of cognitive behavioral therapy.

Energy Simulation for Conventional and Thermal-Load Controls in District Heating (지역난방의 일반제어 및 열량제어 에너지 시뮬레이션)

  • Lee, Sung-Wook;Hong, Hiki;Cho, Sung-Hwan
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.27 no.1
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    • pp.50-56
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    • 2015
  • Korea district heating systems have mainly used setting temperature control and outdoor reset control. Different from such conventional normal methods, a thermal-load control proposed in Sweden can decrease the return temperature and reduce pump power consumptions because the control is able to provide the appropriate amount of required heat. In this study, further improved predictive optimal control in addition to the conventional controls were simulated in order to verify its effect in district heating system using TRNSYS 17. $200m^2$ apartment housing which accounts for 25% in Korea and is used as a calculation model;. the number of households in the simulation was 9. As a result, a higher temperature difference and decreasing flow rate at primary loop were shown when using thermal-load control.

Effect of Hwasung reclamation project on the life of fishing village resident (화성호 간척사업이 어촌 주민의 삶에 미치는 영향)

  • JEONG, Byung-Gon;CHANG, Ho-Young
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.53 no.1
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    • pp.98-106
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    • 2017
  • In order to investigate the effect of land reclamation on the life of local fishermen, a survey was conducted with the 246 people living in 12 different adjacent villages located in Hwasung District. It was found that income of residents decreased, while the amount of debts increased after reclamation. 65% of the people surveyed answered that their economic situation became worse than before and they blamed the decrease of fishery resources as the main cause. It further led to the loss of the family's means of livelihood. 40% of the people surveyed claimed that they wanted to leave the fishing village and believed that reclamation divested them of all their hope for the future. Regarding to the effect of reclamation project on the image of Hwasung District, most of the respondents have a negative view on the reclamation project. They have negative views even on the tourism, regional welfare, employment of community residents and local infrastructure. Therefore, it can be concluded that local community residents thought that reclamation project had negatively influenced their overall quality of life.