• 한국어업기술학회:학술대회논문집
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• 한국어업기술학회 2001년도 추계 수산관련학회 공동학술대회발표요지집
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• pp.305-306
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• 2001

수온은 개체들의 활성도와 분포를 제한하는 직접적인 요인이며, 에너지 수지에 포함되는 섭이 활동, 대사작용과 성장들을 포함한 대부분의 생리학적 과정들에 영향을 미친다(Fry, 1971). 적온 범위에 대한 변통은 종간 뿐만 아니라 종내에서도 크다. 그러므로 특정한 조건하에 생태적으로나 상업적으로 가치가 있는 종들에 대한 성장 실험(Scope for growth)은 필요하며, SFG는 넓은 범위의 환경상태에 대해서 민감하고, 정량적이며 통합적인 스트레스에 대한 반응을 제공한다. (중략)

• 대한원격탐사학회지
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• 제19권3호
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• pp.263-269
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• 2003

This research examined the capabilities of KOMPSAT-1 EOC images for the application of urban environment, including the urban changes of the study areas. This research is constructed in three stages: Firstly, for the application of change detection techniques, which utilizes multi-temporal remotely sensed data, the data normalization process is carried out. Secondly, the change detection method is applied for the systematic monitoring of land-use changes. Lastly, using the results of the previous stages, the land-use map is updated. Consequently, the patterns of land-use changes are monitored by the proposed scheme. In this research, using the multi-temporal KOMPSAT-1 EOC images and land-use maps, monitoring of urban growth was carried out with the application of land-use changes, and the potential and scope of the application of the EOC images were also examined.

• Asia pacific journal of information systems
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• 제12권3호
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• pp.1-20
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• 2002

For the last decade, some leading groups of corporations in Korea have integrated and managed their Information Systems(IS) functions. Each group established a separate System Management(SM) company to manage the IS and tried to get a synergy effect from the integration. These attempts, however, were not initiated by any one company. Rather they were group efforts. Moreover, the previous measuring tools evaluated IS with the scope of technical performance or quantitative user satisfaction using an absolute scale. Obscure criteria were used in an attempt to present improvements in IS function which were qualitatively weak. This study evaluates whether integration has been efficient and successful. For this purpose, we evaluate the performance efficiency of IS functions with Data Envelopment Analysis(DEA) methodology. In comparison with prior methods, DEA presents the rate of relative efficiency, the efficiency frontier for improving inefficiency, the degree of improvement(slack), and the guideline to construct any benchmark(reference set). For our DEA evaluation, this study selected a leading group of 23 companies in Korea. Our experimental results are as follows. First, efficiency was rated low on average. It also demonstrates that the motivation of performance efficiency of IS functions is deficient. Second, the result of the test to find the existence of economy of scale and scope shows that the growth of an organization and industrial characteristics do not affect IS performance efficiency from the perspective of user satisfaction. Finally, the comparison with other evaluation approaches informs us that DEA can be a complementary evaluation method which supports other measuring tools.

• 대한기계학회논문집
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• 제14권6호
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• pp.1552-1560
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• 1990

본 연구에서는 로터강(Cr-Mo-V 강)과 저탄소합금강(A517-F강)의 CT시험편을 대상으로 한 고온피로 시험결과를 토대로 차원해석법을 도입시켜 고온하의 균열성장률 을 유도한 다음 온도(T)와 응력확대계수범위(.DELTA.K,T)인 아레니우스 형태의 식을 유도하 였다.그리고 유도된 균열 성장 법칙을 파리스식과 비교 검토하여 본 연구에서 유도 된 이 균열성장법칙의 타당성을 검토하고자 한다.

• 통상정보연구
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• 제9권2호
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• pp.41-64
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• 2007

A life insurance industry's market is reaching a state of saturation recently, and the competition is as time goes by intense among the non-life insurance industry. Consequently, the insurance companies must grope a new source of revenue and develop a new business model for a stability growth. At the forked road, the insurance companies must group the existing and new customers in order to find the royal customers, and develop a new service with them. Accordingly, it is the time to study the advance of PB field and the royal customer management that will maintain and expand the new relations with them. Besides, the PB was the service to begin in needs of the specific group, but now it is regarded as a new source of high profit in the age of universal financial service among the financial circles. As a consequence, the PB marketing is introduced in haste, and such trend seems to be continued. Therefore, the plans that help the domestic insurance company reflect the characteristic of the insurance and expand the scope of business into the scope of property management according to the needs of customers under a universal financial service trend will be studied.

• 기술혁신연구
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• 제5권1호
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• pp.15-43
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• 1997

This paper investigates empirically the relationship between various business portfolio properties (particularly technological properties) and chaebol's performance using data on the 50largest chaebols in Korea. In addition to the traditional indexes to measure diversification such as entropy index, we calculated inter-industry technological similarity using R'||'&'||'D expenditure data by industry and 1990 Input-output Table in korea, and obtained chaebol-level technological relatedness and internal transaction proportion from chaebols' business profile, inter-inustry technological similarity and 1990 input-output table. We applied factor analysis on 13 business portfolio property indexes and showed that they could be grouped into 3 dimensions. diversification scope, inter-business relatedness and degree of vertical integration. In this paper, using 50 largest chaebols' financial data (1989-1994), we analyzed empirically the effect of business portfolio properties on ROS(Return On Sales) which is conventional index for firm performance and on TFP(Total Factor Productivity) growth which is a pure measure of firm performance. To utilize the advantage of panel data, FEM(Fixed Effect Model) and REM(Random Effect Model) were used. The empirical result shows that the entropy index as a measurement of inter-business relatedness in not significant but technological relatedness index is significant. OLS estimates on pooled data were considerably different from FEM or REM estimates on panel data. By introducing interaction effect among the three variables for business portfolio properties, we obtained three findings. First, only VI(Vertical integration) has a significant positive correlation with ROS. Second, when using TFP growth as an dependent variable, both TR(Technological Relatedness) and VI are significant and positively related to the dependent variable. Third, the interaction term between TR and VI is significant and negatively affects TFP growth, meaning that TR and VI are substitutes. These results suggest strategic directions on restructuring business portfolio. As VI is increased, chaebols will get more profit. A higher level of either TR or VI will increase TFP growth rate, but increase in both TR and VI will have a negative effect on TFP growth. To summarize, certain business portfolio properties such as VI and TR can be considered "resources" themselves since they can affect profit rate and productivity growth. VI and TR have a synergy effect of change in profit rate and productivity growth. VI increases ROS and productivity growth, while TR increases productivity growth representing a technological synergy effect.t.

• Toxicological Research
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• 제31권3호
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• pp.227-240
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• 2015

Recent amendment on the Food Sanitation Act in Korea mandated the Minister of Food & Drug Safety to secure the scientific basis for management and reevaluation of standards and specifications of foods. Especially because the current food safety control is limited within the scope of 'Farm to Market' covering from production to retail in Korea, safety control at the plane of true 'Farm to Fork' scope is urgently needed and should include 'total diet' of population instead of individual food items. Therefore, 'Total Diet Study (TDS)' which provides 'closer-to-real' estimates of exposure to hazardous materials through analysis on table-ready (cooked) samples of foods would be the solution to more comprehensive food safety management, as suggested by World Health Organization and Food and Agriculture Organization of the United Nations. Although the protection of diets from hazards must be considered as one of the most essential public health functions of any country, we may need to revisit the value of foods which has been too much underrated by the meaningless amount of some hazardous materials in Korea. Considering the primary value of foods lies on sustaining life, growth, development, and health promotion of human being, food safety control should be handled not only by the presence or absence of hazardous materials but also by maximizing the value of foods via balancing with the preservation of beneficial components in foods embracing total diet. In this regard, this article aims to provide an overview on TDS by describing procedures involved except chemical analysis which is beyond our scope. Also, details on the ongoing TDS in Korea are provided as an example. Although TDS itself might not be of keen interest for most readers, it is the main user of the safety reference values resulted from toxicological research in the public health perspective.

• 한국조리학회지
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• 제8권1호
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• pp.125-147
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• 2002

This study is to show the importance of customer and to define the customer's meaning in food industry. According to previous research, a consumer is a very small part of customer. At present and in the future, a customer is not only a consumer but all of interior and exterior environments related to a company. However the scope of customer has been extended eventually. Therefore, it is important for a company to find out and secure the proper customer giving profit. This study considers a relative marketing as a way to impress a customer. It is a useful marketing technology to make profits and company's growth. And to achieve a relative marketing successfully, it is necessary to perceive a fundamental understanding and building an organization for workers. Therefore, this study propose that a company would accomplish followings to continue a quality growth. First, Understanding and confidence about workers. Second, Building the culture of a company's organization impressive to a customer Third, Continuing effort and interest ing about service. In conclusion, a company will accomplish a customer satisfaction successfully through developing a service organization and performing relative marketing.

• 정보관리연구
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• 제2권4호
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• pp.3-5
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• 1964

This first part of a series provides some data on the quick growth, high importance and increasing cost of scientific research which leads to a doubling of the amount of research literature in about every eight years. The importance of periodicals is emphasized and some figures on the growth of abstract journals demonstrate how difficult it has become for the scientist to keep up with the current development in his subject field without using documentation. The second part, in KORSTIC's next issue, deals with the scope and methods of scientific documentation, the third part with the devices and machines for information processing and with the problem of automation, whilst the fourth part throws some light on the organization of documentation work all around the world.

• 한국수산과학회지
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• 제36권3호
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• pp.276-282
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• 2003

Using Megabalanus rosa a sessile filterfeeder, its scope for growth (SFG) by analysis of energy budget were examined and free amino acids composition of whole body tissue were analyzed under the exposure to different concentrations of Hg Cu and Cd. The $96\;hr-LC_{50}$ of the barnacle after 96 hr exposure to Hg, Cu, and Cd were 0.220, 0.269 and $1.380\;mgL^{-1}$, respectively. Hg and Cu showed stronger toxicity than Cd, while Hg and Cu had similar influence on the survival of the barnacle. SFG of the barnacles exposed to sublethal concentrations of mercury was 18.936 $Jgdrywt.^{-1}hr^{-1}$ in control group and as increase of mercury concentration the SFG remarkably reduced to 0.041 $Jgdrywt.^{-1}hr^{-1}\;at\;0.1\;mgL^{-1}$ concentration of Hg. In the case of Cu, the SFG was 29.841 $Jgdrywt.^{-1}hr^{-1}$ in control group and as increase of concentration, the SFG remarkably reduced to -8.304 $Jgdrywt.^{-1}hr^{-1}\;at\;0.1\;mgL^{-1}$ concentration. In Cd the SFG was 15.852 $Jgdrywt.^{-1}hr^{-1}$ in control group, and as increasing concentration, the SFG remarkably reduced to -19.490 $Jgdrywt.^{-1}hr^{-1}\;at\;0.1\;mgL^{-1}.$ Content of free amino acid (FAA) of whole body tissue of the barnacle was 45084 $mgkg^{-1}$ in control group, but it was reduced remarkably to 28,130, 37,500 and 37,106 $mgkg^{-1}$ at 0.1 $mgL^{-1}$ concentration of Hg and Cu, and 0.4 $mgL^{-1}$of Cd, respectively. Sum of threonine + serine was 1,334 $mgkg^{-1}$ if control but reduced remarkably to 1,223, 849 and 888 $mgkg^{-1}$ at 0.1 $mgL^{-1}$ of Hg and Cu, and 0.4 $mgL^{-1}$ of Cd, respectively.