• Strategy21
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• 통권42호
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• pp.154-195
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• 2017

This paper is to analyse conflict between the US and China over the South China Sea and Korea's responses. To this end the paper is composed of 6 chapters titled instruction; the current status of South China Sea sovereignty disputes; changes in US and Chinese maritime security strategies and the strategic values of the South China Sea; key issues and future prospects for US-China conflicts in the South China Sea; South Korea's security and diplomatic responses; and conclusion. The recent East Asian maritime security issue has evolved into a global issue of supremacy between the US and China, beyond conflicts over territorial disputes and demarcation among the countries in the region. China is pursuing offensive ocean policy to expand economic growth. The core of the maritime order that the United States intends to pursue is the freedom of navigation in the oceans and the maintenance of maritime access. China is making artificial islands in the South China Sea, claiming the sovereignty of these islands, building strategic bases in East Asia, and securing routes. The United States has developed several "Freedom of Navigation Operations" to neutralize the declaration of the territorial sea surrounding Chinese artificial islands. We can not be free from marine conflicts in the South China Sea and the East China Sea. Regarding the South China Sea dispute, it is expected that the strategic competition and conflict between the two countries will intensify due to China's failure to make concessions of core interests and adherence to the US compliance with international norms. In the midst of conflict over the South China Sea, we need a harmonious balance between our alliance security and economic diplomacy. We must continue our efforts to strengthen the ROK-US alliance but not to make China an enemy. Considering the significant impacts of the oceans on the survival and prosperity of the nation, we must continue to develop our interest in the oceans, appropriate investments and tactical strategies.

• 한국잡초학회지
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• 제15권4호
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• pp.289-297
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• 1995

벼 직파재배(直播栽培) 두 양식(樣式)(건답직파(乾畓直播), 담수직파(湛水直播))하(下)에서 효율적(效率的)인 잡초방제(雜草防除) 체계(體系)를 확립(確立)하기 위하여 잡초생장(雜草生長)과 잡초(雜草)의 경합(競合)에 대한 벼의 수량(收量)과 수량구성요소(收量構成要素)의 반응(反應)에 대한 결과(結果)를 요약(要約)하면 다음과 같다. 1. 잡초(雜草)의 신장은 건답(乾畓)과 담수직파(湛水直播)에서 파종후(播種後) 45일(日)경부터 벼의 신장(伸張) 생장(生長)을 앞질러 광(光)과 공간(空間)에 대한 경합(競合)을 나타내기 시작했으며, 파종후(播種後) 75일(日) 이후(以後)부터는 가장 큰 초장(草長)의 차이를 나타냈다. 2. 잡초(雜草)의 건물(乾物) 생산량(生産量)은 건답(乾畓)과 담수직파(湛水直播)에서 모두 파종후(播種後) 30일(日) 이후(以後)부터 급격히 증가(增加)하여 벼와의 경합(競合)을 시작하는 시점(始点)으로 사료되었으며, 생육기간(生育期間)이 진전(進前)됨에 따라 담수직파(湛水直播)에서보다 건답직파(乾畓直播)에서 잡초(雜草)의 생장속도(生長速度)가 조금 더 빨랐다. 3. 경합기간(競合期間)이 벼의 생장(生長)에 미치는 영향은 건답(乾畓), 담수직파(湛水直播) 모두 파종(播種) 후(後) 75일(日)까지의 경합(競合)에서 수량구성요소(收量構成要素) 및 수량(收量)에 유의차(有意差)가 없었으나 75일(日) 이후부터는 감소하는 경향이 뚜렸하였고, 수량(收量)에 대한 영향 역시 경합기간(競合期間)이 75일(日) 이후부터는 크게 감소하였다. 무잡초유지기간(無雜草維持期間)은 파종(播種) 후(後) 30일간, 잡초발생허용기간(雜草發生許容期間)은 파종(播種) 후(後) 75일까지로 나타나, 잡초방제(雜草防除) 요구기간(要求期間)은 파종(播種) 후(後) 30~75일(日)까지 45일간(日間)이었다. 4. 잡초(雜草)의 생장량(生長量)이 수량구성요소(收量構成要素) 및 수량(收量)에 미치는 영향은 건답직파(乾畓直播)에서 주수(株數)는 피, 알방동사니, 미국가막사리에서, 수수(穗數), 수당영화수(穗當穎花數), 천립중(千粒重), 수량(收量)은 피, 여뀌, 여뀌바늘, 알방동사니, 마국가막사리, 너도방동사니 생장량(生長量)과 고도의 부(負)의 상관(相關)을 나타냈다. 담수직파(湛水直播)에서의 피는 단위면적당(單位面積當) 주수(株數), 수수(穗數), 수당입수(穗當粒數), 수당영화수(穗當穎花數), 수량(收量)에서 고도의 부(負)의 상관(相關)을 나타냈으며, 등숙율(登熟率)은 알방동사니에서 부(負)의 상관(相關)을 보였고, 그 외의 초종(草種)들은 영향이 적었다.

• 기술경영경제학회:학술대회논문집
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• 기술경영경제학회 1996년도 제10회 동계학술발표회 논문집
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• pp.154-178
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• 1996

This paper applies the technology-gap trade theory to explaining radical changes in the competitive positions of countries in world machine tool markets over the last three decades. It develops the notion that the innovation gaps in machine tools among countries led to the inter-country differences in the competitive performance in the sector as well as in its user sectors. Since competitive advantage largely depends on a capability to improve, create and apply technology to market competition, a higher innovative performance in one country than another is closely related to a higher innovative performance. A higher innovative performance in machine tools is also associated with a higher competitive performance of the large areas of its user sectors, due to sectoral interdependences and externalities generated by machine tool innovations. The results of empirical investigation through a panel data analysis show that the international gaps in machine tool innovations appeared to have a positive significant relationship with the differences in the export performance of both the machine tool sector and its user sector across countries.

• Asia pacific journal of information systems
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• 제23권1호
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• pp.1-19
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• 2013

The market for commercial open source software (OSS) has been rapidly growing with the proliferation of OSS. One way to commercialize OSS is the support model, which has been adopted by leading OSS firms such as Red Hat and JBoss. Despite the growing interest in OSS commercialization, little research has provided OSS support providers with a pricing guideline. In this paper, we examine the optimal pricing strategies for OSS support providers. Our benchmark is a monopoly case in which we investigate a startup software vendor's incentive to choose the OSS support regime over the proprietary one. Then we extend the model to a duopoly case in which OSS under the support regime competes against proprietary software. We characterize the conditions under which the OSS support model is viable under competition. We believe that our results offer insights to the OSS vendors who consider commercializing their OSS with a support model.

• BMB Reports
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• 제48권5호
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• pp.241-242
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• 2015

Reproductive behaviors have evolved through severe inter-sexual competition. We have recently described a behavior in post-mated female Drosophila melanogaster that controls ejaculate retention and sperm storage, and is a possible mechanism by which females who have mated with several partners can choose which sperm that is stored and used for fertilization. This behavior can also regulate exposure of the female to harmful effects of male SFP that are present in the ejaculate. Our study identified the neural pathway functioning in the female brain that regulates this behavior. [BMB Reports 2015; 48(5): 241-242]

• 통상정보연구
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• 제11권3호
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• pp.191-215
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• 2009

This study extends the previous research into the effects of knowledge spillovers on innovation and regional exports growth by more clearly distinguishing, both theoretically and empirically, two different types of knowledge spillovers, namely product and market knowledge spillovers. More importantly, this research provides insights on their role of knowledge spillovers in shaping regional innovative activities and, eventually, regional export growths. Furthermore, this research makes an important contribution to the understudied market knowledge spillovers by developing two variables that could be used to assess the flow of market knowledge spillovers at the regional level: localization economies and export consulting advice. Using secondary data on eight 2-digit manufacturing industries in ten New Zealand regions over a seven year period, this research found that regional competition, localization economies and the availability of export consulting advice have positively and significantly impact on the regional export growth in New Zealand.

• 경영과정보연구
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• 제17권
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• pp.67-81
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• 2005

Harbor function has been changed into physical distribution position harbor system for providing most suitable physical distribution service with comprehensive rationalization of international physical distribution over simple loading unloading, and change function by far. Thus, to change our country into advanced economy, the factor of growth obstacles was to be eliminated, or it is so important that the physical distribution base establishment enlarges to improve potential productivity. That is, self effort is needed for physical distribution competition system, adjustable arrangement of physical distribution area, the establishment of comprehensive informations system, physical distribution rationalization. Also, to enforce harbor productivity, harbor should be developed systemically to able to function of comprehensive harbor for enlargement of harbor establishment, the device of advanced harbor function height, the linkage between and city program, harbor operation or investment system provement, harbor technique or international cooperation advancement.

• 반도체디스플레이기술학회지
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• 제14권1호
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• pp.67-71
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• 2015

Pulse electroplating was studied to form nanocrystal structure effectively by changing plating current density and duty cycle. When both of plating current density and duty cycle were decreased from $100mA/cm^2$ and 70% to $50mA/cm^2$ and 30%, the P content in the Ni matrix was increased almost up to the composition of $Ni_3P$ compound and the grain growth after annealing was retarded as well. The as-plated hardness values ranging from 660 to 753 HV are mainly based on the formation of nanocrystal structure. On the other hand, the post-anneal hardness values ranging from 898 to 1045 HV, which are comparable to the hardness of hard Cr, are coming from how competition worked between the precipitation of $Ni_3P$ and the grain coarsening. According to the ANOVA and regression analysis, the plating current density showed more strong effect on nanocrystal size and film hardness than the duty cycle.

• 한국생물공학회:학술대회논문집
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• 한국생물공학회 2000년도 춘계학술발표대회
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• pp.105-108
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• 2000

Enhanced biological phosphorus removal (EBPR) is not always successfully achieved by anaerobic/aerobic operation. It has been reported that the EBPR deterioration was caused by the outgrowth of glycogen-accumulating organisms (GAO) over polyphosphate-accumulating organisms (PAO). It was found that pHcould be a tool which might induce the success of EBPR in a sequencing batch reactor (SBR) supplied with acetate. When the pH of anaerobic phase was controlled at 7.0, the operation resulted in failure of EBPR. However, when the pH of anaerobic phase increased up to 8.4, complete EBPR was achieved. We explained the mechanism of pH effect on the competition between GAO and PAO with experimental results and previously proposed biochemical models.

• 한국항만경제학회지
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• 제20권1호
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• pp.153-172
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• 2004

With swelling of Chinese Economic scale, the competitive environment is swinging over the north-east Asia countries, Korea, Japan, China, and Taiwan. As the result of this circumstance, each countries in this area has been reformed their industries. According to the expanding in ocean logistic. The trends of competition on Hub port is looking forward much more severe year after year to preoccupy in logistics competitive within this Area. On the other hand, considering competitive environment & swelling of Chinese Economic scale, the structural reforms are imperative in korea. Korea have to convert the traditional sects into new high added value sects. In these trends, provincial government also should look for the plan for reinforcement of Regional competitiveness. The focus of this study is to look for the reinforcement methods on regional competitiveness of Gyeongnam Provincial Government. First, competitive industries in Gyeongnam, and second, Masan Free Trade Zone will be surveyed from data. Finally, the effects of New Hub port developing in Pusan-Jinhae will be discussed.