• 대한지리학회지
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• 제38권6호
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• pp.887-905
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• 2003

이 논문에서, 우리는 우선 제국주의의 개념을 하비(Harvey)가 제안한 바와 같이 '권력의 영토적 논리와 자본주의적 논리 간의 변증법적 관계'로 이해하고, 그 역사를 3단계로 구분하여 마지막 단계가 바로 신제국주의 단계로 정의한다. 두 번째로 우리는 '미국의 신안보전략'을 신보수주의적 부시 행정부의 신제국주의를 반영한 것으로 이해하고. 아프카니스탄과 이라크의 전쟁을 이러한 신제국주의의 수행으로 설명하고자 한다. 그리고 우리는 부시 행정부의 신제국주의적 해외정책이라는 점에서 동아시아. 특히 북한과 남한, 일본 그리고 중국의 현재적 지정학적 상황에 대해 살펴보고자 한다. 끝으로 우리는 미국의 이러한 신제국주의가 내재하고 있는 한계들과 전지구적으로 부상하고 있는 반제국주의 운동의 의의를 고찰한다.

• 한국산림과학회지
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• 제87권2호
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• pp.179-187
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• 1998

본 연구는 미국 South Dakota주 Black Hi11s 지역의 관광 영향에 대한 지역 주민 태도와 관리 정보를 얻고자 실시되었다. 관광 영향에 대한 지역 주민 태도를 평가하기 위하여 중요도-성취도 분석방법이 이용되었다. 총 184매의 응답 자료가 연구에 이용되었다. 회수율은 340 중 184매로 54%였다. 대부분의 응답자들은 관광의 지역 경제 영향에 대하여는 높은 긍정적 태도를 갖고 있었으며, 관광의 환경 영향에 대해서는 뚜렷한 부정적 태도는 보이지 않았다. 관광 영향의 23개 인자 중 거주 기간, 소득과 같은 응답자들의 사회 경제적 특성에 따른 유의적 차이가 일부 발견되었다. 중요도-성취도 평가 결과 유용한 장래 관리의사 정보가 제시되었다.

• 분석과학
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• 제36권2호
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• pp.99-104
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• 2023

Trace elements (TEs) have significant effects on both dental health and human health. Toxic effects are caused by deficiency or excess of TEs. This study was performed to determine levels of toxic and trace elements in incisor and molar teeth sampled from male and female participants residing in the north and south regions of Sudan. The tooth enamel of 18 extracted human teeth was analyzed using particle-induced x-ray emission (µ-PIXE) to determine its elemental profile and distribution. GeoPIXEII software package was used for the analysis of µ-PIXE data. The main elements determined were Na, Mg, P, S, Cl, K, Ca, Mn, Fe, Zn, Co, and Sr which were homogeneously distributed in the areas of the tooth enamel mapped with micro-PIXE.

• The Plant Pathology Journal
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• 제33권3호
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• pp.229-237
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• 2017

Rye (Secale cereale L.) serves as an alternative host of Pyrenophora tritici-repentis (PTR) the cause of tan spot on wheat. Rye is cultivated as a forage or cover crop and overlaps with a significant portion of wheat acreage in the U.S. northern Great Plains; however, it is not known whether the rye crop influences the evolution of PTR races. We evaluated a global collection of 211 rye accessions against tan spot and assessed the diversity in PTR population on rye in South Dakota. All the rye genotypes were inoculated with PTR races 1 and 5, and infiltrated with Ptr ToxA and Ptr ToxB, at seedling stage. We observed 21% of the genotypes exhibited susceptibility to race 1, whereas, 39% were susceptible to race 5. All 211 accessions were insensitive to both the Ptr toxins. It indicates that though rye exhibits diversity in reaction to tan spot, it lacks Ptr ToxA and ToxB sensitivity genes. This suggests that unknown toxins or other factors can lead to PTR establishment in rye. We characterized the race structure of 103 PTR isolates recovered from rye in South Dakota. Only 22% of the isolates amplified Ptr ToxA gene and were identified as race 1 based on their phenotypic reaction on the differential set. The remaining 80 isolates were noted to be race 4. Our results show that races 1 and 4 are prevalent on rye in South Dakota with a higher frequency of race 4, suggesting a minimal role of rye in the disease epidemiology.

• 안보군사학연구
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• 통권8호
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• pp.239-270
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• 2010

This thesis is to make an appropriate national defense policy of Republic of Korea through studying the Hegemony Strategy of United States. I searched the theory of hegemony. The hegemony was differently defined by the point of time and region. The strong power nations with the hegemony have been making efforts to maintain their hegemony everytime. I have conclusion that the presence of hegemony once emerged, it brought regional stability in place whether it is coercive or beneficial. The stability and instability of international order IS not exclusively dependent on hegemony. Even if the safety of hegemony cannot guarantee absolute stability of international order, there IS on doubt that the hegemony has enormous impact on that. According to the hegemonic theory, the history of mankind equals to the history of rising and falling hegemony. The international order was changed as the hegemony changes. The United States has been making efforts to maintain her global hegemony during the post cold-war era as well. Taking all these into consideration, relevant military strategy direction able to pursue national interest is that to make up for the relative weakness in the strategic environment. South Korea have to prepare security policy response as following. First, South Korea should build the military force equipped with advanced weapons in military technology sector and solidify military diplomatic relation able to form cooperative relation in wartime. Second, South Korea should make solid Alliance of Korea and U.S. Third, develop and maintain multilateral security cooperation of East Asia. Forth, we could realize that there are means that can neutralize opponent's strong point by seeking one or two and more asymmetry in the aspect of strategy, tactics, and means through asymmetric strategy. Than the military force of South Korea should develop into a force that is able to overcome to the traditional North Korea's threat and new type of conflicts. And the force should have sufficient strength and be deployed to effectively defend the Korean Peninsula. So, we need to establish a denial and defense system against any hostile neighboring country. Therefore, ROK military forces preparing for the future should try to construct a future military power to gradually establish enough strength for self-defense to prepare for a uncertain security environment and when the Korean Peninsula is unified in a future.

• 감성과학
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• 제23권4호
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• pp.61-72
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• 2020

경제 불안정과 고령화, 경쟁격화 및 개인 가치관의 변화 등 사회 문제가 점점 심각해질 가능성이 있다. 이러한 상황에서 이를 해결 가능한 방안 중 하나로써 감성컴퓨팅 관련 연구가 증가하고 있다. 이에 본 연구는 감성컴퓨팅 연구 키워드를 중심으로 국내 및 글로벌 연구의 지식구조와 주요 키워드, 연구생산 현황 및 국가간 협력관계 및 주요 키워드별 네트워크 등을 파악하였다. 이를 위해 전문 학술데이터 베이스(Scopus)로부터 해당 키워드를 중심으로 논문을 검색하였으며, 서지분석과 네트워크 분석을 실시하였다. 중국과 미국이 Affective computing 분야에서 지식생산이 활발하였고, 한국은 약 10% 정도로 저조한 상황이다. 주요 키워드는 Affective computing을 중핵으로 주로 컴퓨팅 처리 및 감성분석, 인식을 분류하는 연구 및 사용자들의 모델링, 심리 분석이 주요 연구 키워드이다. 국가 간 협력구조는 중국과 미국이 가장 큰 클러스터를 형성하고 있고, 그 외에 영국, 독일, 스위스, 스페인, 캐나다 등이 협력을 주도하고 있다. 한국의 연구협력은 다양하지 않고 연구생산도 저조한 결과를 보였다. Affective computing 분야의 연구발전을 위해 미국, 중국 등 주요국과의 연구협력 강화와 연구파트너의 다양화를 위한 시사점을 결론으로 제언하였다.

• Journal of the korean society of oceanography
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• 제38권3호
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• pp.143-155
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• 2003

Current and sea level were observed in spring 1999 by a bottom mounted ADCP and tide gauge in the central part of the South Sea of Korea. With respect to the front, the distribution of isotherms is prograde in the offshore region whereas that of isohalines is retrograde, especially in the coastal area. The combined effect results in shoaling of isopycnals at the front. This distribution corresponds to a westward coastal flow on the northern side of the front and the eastward Tsushima Warm Current (TWC) to the south, determined by vessel-mounted ADCP observations. The low-frequency current shows either alternating clockwise-counterclockwise rotation or else persistent eastward motion depending on the frontal motion. Fluctuations of wind, sea level and current are coherent at period of 3-4 days and show some characteristics of Ekman-like dynamics.

• 한국작물학회지
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• 제53권2호
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• pp.161-170
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• 2008

Interest is growing in applying simulation models for the South Texas conditions, to better assess crop water use and production with different crop management practices. The Environmental Policy Integrated Climate (EPIC) model was used to evaluate its application as a decision support tool for irrigation management of com (Zea mays L.) in South Texas of the U.S. We measured actual crop evapotranspiration (ETc) using a weighing lysimeter, soil moisture using a neutron probe, and grain yield by field sampling. The model was then validated using the measured data. Simulated ETc using the Hargreaves-Samani equation was in agreement with the lysimeter measured ETc. Simulated soil moisture generally matched with the measured soil moisture. The EPIC model simulated the variability in grain yield with different irrigation regimes with $r^2$value of 0.69 and root mean square error of $0.5\;ton\;ha^{-1}$. Simulation results with farm data demonstrate that EPIC can be used as a decision support tool for com under irrigated conditions in South Texas. EPIC appears to be effective in making long term and pre-season decisions for irrigation management of crops, while reference ET and phenologically based crop coefficients can be used for inseason irrigation management.

• 한국학교ㆍ지역보건교육학회지
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• 제12권3호
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• pp.101-109
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• 2011

The purpose of this article is to introduce the Sports, Play, and Active Recreation for Kids (SPARK) physical education curriculum. SPARK is a model for health-related, research-based and evidence-based physical education programs in the United States. The outcome of school physical education can relate to public health, but there exists few evidence-based physical education programs reporting health-related variables. School physical education can provide more opportunities for children and adolescents to be physically active and to learn more about healthy lifestyles. However, physical education programs have been cut and eliminated due to lack of funding in the U.S. as in South Korea. Although facing these problems, SPARK programs have been implemented in over 50% of schools, after school programs and coordinated school health programs in the U.S. This article reviewed: (a) background information of the SPARK program, (b) examples of effective interventions, and (c) methods of dissemination to schools nationally in the U.S. The methods showed in SPARK may use as a model for researching, developing and implementing new physical education(PE) program and after school programs in Korea.

• Architectural research
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• 제22권2호
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• pp.53-61
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• 2020

The purpose of this study is to examine the influence of remoteness between exit stairways on evacuation performance. Firstly, we reviewed the design regulations of the U.S., the U.K., and South Korea, in relation to remoteness between Exit stairways. Secondly, evacuation simulation was implemented, in order to evaluate the adequacy of each standard. Eight tall buildings in South Korea were selected for the simulation. Evacuation performance was assessed for different remote distances between Exit stairways. Lastly, this research analyses the evacuation simulation data statistically in relation to the effect of remoteness on evacuation time. We found that as the distance between two exit stairways increases, the total evacuation time and average evacuation time for evacuees decreases. There was no statistical influence between the maximum travel distance of the evacuee and the remoteness between two exit stairways, but there was a significant effect on the average travel distance of the evacuees. In addition, the results from the optimal point showed that the L_ratio had the highest evacuation time at 0.44, while the D_ratio had the highest evacuation time at 0.38.