• Title/Summary/Keyword: Reinforcing

Search Result 3,021, Processing Time 0.036 seconds

Reinforcing Method for the Protective Capacities of Dispersal and Combat Facilities using Logistic Regression (로지스틱 회귀모형을 활용한 소산 및 전투시설의 방호성능 보강방안 연구)

  • Park, Young Jun;Park, Sangjin;Yu, Yeong-Jin;Kim, Taehui;Son, Kiyoung
    • Journal of the Korea Institute of Building Construction
    • /
    • v.16 no.1
    • /
    • pp.77-85
    • /
    • 2016
  • This study provides the numerical model to assess retrofit and strengthen levels in the dispersal and combat facilities. First of all, it is verified that direct-hitting projectiles are more destructive to the structures rather than close-falling bombs with explosion tests. The protective capacity of dispersal and combat facilities, which are modeled with soil uncertainty and structural field data, is analyzed through finite element method. With structural survivability and facility data, the logistic regression model is drawn. This model could be used to determine the level of the retrofit and strengthen in the dispersal and combat facilities of contact areas. For more reliable model, it could be better to identify more significant factors and adapt non-linear model. In addition, for adapting this model on the spot, appropriate strengthen levels should be determined by hands on staffs associated with military facilities.

Effect of Herbal-Acupuncture on Repeated Cocaine-induced Behavioral Sensitization in the Rat (약침이 반복적인 코카인 투여로 인한 행동적 민감화 현상에 미치는 효과)

  • Lee, B.B;Yang, C.H.;Hahm, D.H.;Lee, H.J.;Shim, I.S.
    • Journal of Pharmacopuncture
    • /
    • v.7 no.1 s.12
    • /
    • pp.53-61
    • /
    • 2004
  • Substantial evidence suggests that behavioral and reinforcing effects of cocaine can be mediated by the mesolimbic dopaminergic system. It has been shown that repeated injections of cocaine produce increase in locomotor activity, expression of the immediate-early gene, c-fos in the nucleus accumbens (NAc), which was one of the main dopaminergic terminal areas. Herbal-acupuncture as a therapeutic intervention has been widely used for the treatment of many functional disorders such as drug abuse. Coptidis Rhizoma (CR) and its main component, berberine (BER) were selected as herbal medicine of herbal-acupuncture. Both medicines have been known to have the therapeutic effect on the central nervous system. In order to investigate the effects of CR and BER herbalacupuncture at shenmen (HT7) point (CR/H and BER/H) on the cocaine-induced behavioral sensitization, the influence of CR/H and BER/H on repeated cocaine-induced locomotor activity, the change of c-Fos expression in the brain by immunohistochemistry were examined. Male SD rats were given CR/H (0.4mg/kg) and BER/H (0.1mg/kg) 30 min before daily injections of cocaine hydrochloride (15mg/kg. i.p.) 10 days. After 3 days withdrawal, rats received a challenge injection of cocaine (15mg/kg, i.p.). Systemic challenge with cocaine produced much larger increased locomotor activity, accumbal Fos-like immunoreactivity in the NAc. Pretreatment with CR/H and BER/H significantly inhibited cocaine-induced locomotor activity, the change of c-Fos expression in the rats. Our data demonstrated that the inhibitory effects of cocaine-induced behavioral sensitization by CR/H and BER/H were closely associated with the reduction of presynaptic dopamine release in the NAc. These results suggest that CR/H and BER/H can be effectively applied to cocaine addiction.

A Study on Establishment of National Science and Technology Strategy Applying PEST-SWOT-AHP : A Case Study of Fusion R&D (PEST-SWOT-AHP 방법론을 적용한 국가 과학기술 전략 수립에 관한 연구: 핵융합 연구개발 사례를 중심으로)

  • Chang, Hansoo;Choi, Wonjae;Tho, Hyunsoo
    • Journal of Korea Technology Innovation Society
    • /
    • v.15 no.4
    • /
    • pp.766-782
    • /
    • 2012
  • Science and technology(S&T) are not only advancing, but also the number of stakeholders in those fields are increasing, and so the demands of S&T strategy for a particular field are increasing. In Korea, especially, this tendency is remarkable, and is evidenced by the fact that more than one hundred of S&T strategies have been established and implemented. However, academic attempts to clarify scientific methodologies for establishing S&T strategy have so far been rare. In this paper, a methodology to establish S&T strategies in a particular field is proposed and examined through a case study to determine its usefulness. First, through an analysis of the literature, previous studies on the establishment of a national S&T strategy and its related concepts are reviewed. Also, a representative framework plans, in accordance with relevant legislation and regulations, are reviewed. Meanwhile, the methodology, PEST-SWOT-AHP, is proposed and the features and applications are identified. For the case study, the strategy establishment of a fusion research and development program is performed. In order to apply the PEST-SWOT-AHP tool, an environmental analysis based on the fusion R&D roadmap is conducted. To examine the usefulness of the proposed framework, a national fusion R&D strategy applying PEST-SWOT-AHP is derived. As a result of the case study, four strategies were derived. Those are be the first mover, promotion of basic research and cultivation of manpower, boost commercialization and public acceptance and reinforcing international cooperation.

  • PDF

Future Inundation Risk Evaluation of Farmland in the Moohan Stream Watershed Based on CMIP5 and CMIP6 GCMs (CMIP5 및 CMIP6 GCM 기반 무한천 유역 농경지 미래 침수 위험도 분석)

  • Jun, Sang Min;Hwang, Soonho;Kim, Jihye;Kwak, Jihye;Kim, Kyeung;Lee, Hyun Ji;Kim, Seokhyeon;Cho, Jaepil;Lee, Jae Nam;Kang, Moon Seong
    • Journal of The Korean Society of Agricultural Engineers
    • /
    • v.62 no.6
    • /
    • pp.131-142
    • /
    • 2020
  • The objective of this study was to evaluate future inundation risk of farmland according to the application of coupled model intercomparison project phase 5 (CMIP5) and coupled model intercomparison project phase 6 (CMIP6). In this study, future weather data based on CMIP5 and CMIP6 general circulation model (GCM) were collected, and inundation was simulated using the river modeling system for small agricultural watershed (RMS) and GATE2018 in the Tanjung district of the Moohan stream watershed. Although the average probable rainfall of CMIP5 and CMIP6 did not show significant differences as a result of calculating the probability rainfall, the difference between the minimum and maximum values was significantly larger in CMIP6. The results of the flood discharge calculation and the inundation risk assessment showed similar to trends to those of probability rainfall calculations. The risk of inundation in the future period was found to increase in all sub-watersheds, and the risk of inundation has been analyzed to increase significantly, especially if CMIP6 data are used. Therefore, it is necessary to consider climate change effects by utilizing CMIP6-based future weather data when designing and reinforcing water structures in agricultural areas in the future. The results of this study are expected to be used as basic data for utilizing CMIP6-based future weather data.

A study on strategies to attract container cargoes in Incheon - with the case of container O/D analysis ­ (인천항 컨테이너 화물 유치방안에 대한 연구 -컨테이너 OD분석을 중심으로-)

  • Chung Tae-Won;Choi Sae-Kyung
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
    • /
    • 2006.06b
    • /
    • pp.289-299
    • /
    • 2006
  • This paper aims to provide strategies to attract container cargoes for the Incheon port by analysing O/D of the container cargoes with the year-2004 export and import data from. The Korean customs service. O/D analysis was carried out with establishing optimal zones, which are defined as City, Gun, Gu(Korean administrative districts) to which the export-import service can be provided from a certain port with minimized freight(or transport) cost and stevedoring fee. For the Incheon port, 35 administrative districts including Seoul and Incheon in Kyunggi-Do and Kangwon-Do are recognized as the optimal zones, and approximately 25.50% of around 2.02-million-TEU per year of the cargoes from the woes are exported and imported through the pan. The strategies to attract container cargoes was suggested by comparing the Incheon port to supposed-competitive pons. The Busan portn(64.89%), Guangyang port(4.46%) and Pyeongtaeck port(3.35%) are supposed as the competitive pons which have a large proportion of handling the cargoes from the optimal zones. When comparing the Incheon port to these ports, The Incheon pan requires a distinctive cost strategy, providing incentives to attract shipping companies and cargoes, improving efficiency related to loading-unloading at the port, and reinforcing Feeder-Network and advertisements about cost-saving to the shippers(the owners of goods) in the national capital region. Consequently, the mentioned requirements are suggested as the strategies to attract cargoes for the Incheon port.

  • PDF

A Study on the Development Direction of Crisis Negotiations of the Police - With Focus on the Police Department Education Development Plan - (경찰 위기협상 발전 방향에 관한 연구 - 경찰 기관의 교육 발전 방안을 중심으로 -)

  • Cho, Se-Hee
    • Korean Security Journal
    • /
    • no.45
    • /
    • pp.161-189
    • /
    • 2015
  • As the terrorist act inflicted on the American Ambassador to Korea, Mark Lippert on March 5, 2015, the hunting rifle case in Sejong-si in which 3 persons were killed on February 25, and the hunting rifle murder case in Hwaseong-si Namyang-dong on February 27 occurred in succession, there is growing concern that our country is no long safe from firearm violence. Internationally, there is growing concern that our country is no longer safe from international terrorist organizations such as Islamic State (IS), the Sunni Muslims fundamentalists' Islamic militia group, which an 18-year old Korean boy Kim voluntarily joined in January 2015. The police crisis negotiation of our country was established and operated to prepare for the 1988 Olympic Games mainly for counter-terrorism purposes, and due to the characteristics of the prohibition of the use of guns, not a counter-terrorism incident has occurred, so the skepticism about its existence and the development directions are actively being discussed. Our country still prefers the traditional use of force such as SWAT team to resolve crisis case, such as such as murder, terrorism, robbery, and is reinforcing tactical capabilities. However, to perform the primary mission of the police to protect the people's lives and properties, it is necessary to establish the system in which crisis negotiations are possible in the initial stages no matter what incidents may occur by expanding the education for crisis negotiations techniques which are emphasized in the advanced countries such as the United States. In this research, the police department's internal education materials and media are analyzed so that the new police officers who work hardest on the forefront can carry out the roles as basic negotiators of crisis negotiations, and the measures for the development directions of the police crisis negotiations are presented.

  • PDF

A Study of Analysis and Improvement of Police Ethics (경찰윤리의 실태분석 및 개선방안에 관한 연구)

  • Cho, Kye-Pyo;Kim, Young-Joo
    • Korean Security Journal
    • /
    • no.45
    • /
    • pp.129-159
    • /
    • 2015
  • The police do their best effort to make all security standards of competence and law enforcement suit the public's expectation, take precedence over the direction of the security policy to what the people want, and realize the Republic of Korea in which the people are happy with a strong police security. On the other hand. The people demand the fairly high level of moral integrity to the police who are in charge of law enforcement at the forefront than any other organization. Suggesting various measures for enhancing the organizational level of police ethics in police ethics awareness of police offices have been working on, yet the prevailing view that still insufficient. In this study, after analyzing the current moral status of the police, I suggest ways to improve as follows: First, strengthening the training and improving the program of police ethics. For this, securing professional teacher and implementation of customized ethics training are necessary. Second, the subject of human nature test should be expanded. The targets are limited to less than a supervisor. It should be expanded to all police officers. Third, the improvement of the organizational culture. For this, introduction of mentoring system and enlightening-oriented inspection is needed. Fourth, reducing the burden of manpower by reinforcing personnel. By defusing lack of police personnel, the police will be able to conduct intensive and effective ethics education. Finally, the provision of the stress relief measures for the police. To this end, the police requires constant efforts of the organization itself.

  • PDF

A Comparative Study on the Business and Financial Structure of Public Housing Agencies in Asia: Korea, Japan, Singapore and Hong Kong (아시아 공공주택기관의 사업특성 및 재무현황 비교 연구 : 한국, 일본, 싱가포르, 홍콩을 중심으로)

  • Kim, Yong-Tai;Park, Shin-Young;Cho, Seung-Youn
    • Land and Housing Review
    • /
    • v.2 no.4
    • /
    • pp.529-538
    • /
    • 2011
  • Recently, one of the critical issues in Korea is the huge debt and future role of Korea Land and Housing Corporation. In this regards, the purpose of this study is to get implications from other public housing agencies in Asian countries such as UR of Japan, HDB of Singapore and HA of Hongkong. The changes of housing policy since 1960s, business and financial structure of housing agencies in each nation are investigated and compared. As a result, some policy directions can be proposed as follows : review of current mass housing program, relaxing qualifications for public rental housing, promotion of urban renewal projects, reinforcing cooperation with private sector and local governments, more government's support to LH's financing and loss from businesses for public interests and re-evaluation of LH's debt. The contribution of this study is that suggestions to improve housing policy and to alleviate financial problem of LH are based on the actual conditions of public housing agencies in Asian countries where the housing policy implementation system is similar to Korea, not on the theoretical basis.

Evaluation of the Impact on Manufacturing Temperature and Time in the Production Process of Bio-composites (바이오복합재료 제조 공정시 제조온도 및 시간에 의한 영향 평가)

  • Park, Sang-Yong;Han, Gyu-Seong;Kim, Hee-Soo;Yang, Han-Seung;Kim, Hyun-Joong
    • Journal of the Korean Wood Science and Technology
    • /
    • v.33 no.1 s.129
    • /
    • pp.29-37
    • /
    • 2005
  • The main objective of this research was conducted to evaluate the impacts on the thermoplastic polymer which is a matrix polymer and the rice husk flour (RHF) which is a reinforcing filler relative to the manufacturing temperature and time when bio-composites were manufactured. In order to evaluate the impacts on the rice husk flour relative to the manufacturing temperature, the rice husk flour was persevered for 10 minutes to 2 hours period at $220^{\circ}C$ temperature which was then added with the polypropylene (PP) and low-density polyethylene (LDPE) to complete the manufacturing process of the bio-composites and measure the corresponding mechanical properties. As preserving time increased at $220^{\circ}C$, the tensile and impact strength were decreased due to the thermal degradation of the main components within the rice husk flour. The thermogravimetric analysis (TGA) was used to measure weight loss caused by the actual manufacturing temperature and the result was that the thermoplastic polymer had not scarcely occurred weight change, but there had been increasing rate of weight loss relative to time for the rice husk flour and the bio-composites under the consistent temperature of $220^{\circ}C$ for 2 hour time period. Therefore, the proper manufacturing temperature and time settings are significantly important features in order to prevent the reduction of mechanical properties which were induced throughout the manufacturing process under the high manufacturing temperature.

Treatment of Vertigo in Hyungsang Medicine (현훈(眩暈)의 형상의학적(形象醫學的) 치료(治療))

  • Kang, Kyung-Hwa;Kang, Duk-Soo;Lee, Yong-Tae
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.20 no.4
    • /
    • pp.793-798
    • /
    • 2006
  • Vertigo is one of the subjective symptoms which appears commonly in so many diseases that it is often neglected. But it needs active medical care because it can be a forewarning of serious illness like cerebral apoplexy. This thesis makes a study of vertigo in view of Hyungsang medicine. The followings are the conclusion drawn in diagnosis and treatment of Vertigo: Excess in the upper and deficiency in the lower part(上實下虛) is a main cause of male vertigo. Deficiency in the upper and excess in the lower part(下虛上實) is a general cause of female vertigo. Vertigo is also caused by the insufficiency of the kidney water(腎水) or reservoir of marrow(髓海). persons of Jung pe(精科) with large check bones , those of Fish type(魚類) with Dig mouth and thick lips ; and those with large heads are mainly attacked by this cause. A fleshy person's vertigo comes from the deficiency of Ki and damp phlegm(氣虛濕症) so it is cured by reinforcing Ki, removing dampness and dispelling phlegm. A slim person's vertigo comes from the deficiency of blood and dryness heat(血虛有火) so it is treated by tonifying the blood, cleaning heat away the heat. In case of womanly shaped male and manly shaped female, the vertigo is due to the phlegm fire. Wind-heat(風熱) can cause vertigo generally 施 the persons of following types : wind type(風人), running animal type(走類),bird type(烏類), and Yangmyung meridian type (陽明形). Vertigo also comes from consumption. The deficiency of Ki can be a cause of vertigo in case of male; persons with pale complexion; and those with pronounced noses. The deficiency of blood can be a reason of vertigo in the persons of Hyul type(血科) and those with pale eyelids and lips. The hypofunction of the splean and stomach brings on the deficiency of Ki and blood, which can give rise to the vertigo for those with large nose and mouth. The old people's vertigo comes from the hypofunction of Ki, blood, Yin and Yang.