• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2000.05a
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• pp.200-201
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• 2000

와편모조류의 대부분은 생존에 불리한 환경조건이 되면 저질에 침적되어 휴면포자의 형태로 휴면시기를 보내다가 온도, 광, 산소, 영양염 등의 환경요인 변동과 내재적 주기에 의해 발아가 유도된다. 이러한 휴면포자는 "개체군 씨앗 "으로서 지역적 적조발생의 잠재력이 되는 것으로 시사되어 왔다. (중략)어 왔다. (중략)

• Journal of the Korea Academia-Industrial cooperation Society
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• v.11 no.10
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• pp.3772-3778
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• 2010

The leaders such as The Robert Foundation of the U.S., Social Firms U.K., EMES European Research Network worldwide are groping for the survival strategies of social enterprises and of their developmental methods with the utilization of social capital. Along with the way the world economy goes on, this study is first of all to empirically analyze how the diversity and strength of network as independent variables work with the studies of the survival of enterprises of Granovetter Mark, Burt Ronald, Coleman James, Peter Witt, Andreas Schroeter, Christin Merz, Helen Haugh, mainly concerned with the increase in employment, the increment in sales, delegation of authorization as dependent variables and secondly it is to present a theoretical possibility of optimizing the development of social enterprises. The object of this study consists of 25 companies recommended by experts out of the current national 295 social enterprises in 2009 through the analysis of sources of SPSS 12.0, appropriateness, reliability, interrelation, etc; besides, hypotheses are proved by multiple regression analysis. A result of the investigation indicates that there is the necessity of network in all the processes of the survival of enterprises, the growth in employment, the increase in sales, delegation of authorization; especially, it suggests that it is necessary to manage, maintain and develop primary factors relating to a variety of networks to improve sales, and relating to the intensity of network for the survival of corporations. At last, I think that this study could be a help to the strategies of utilizing social capital in order for many companies or nonprofit social organizations in Korea to develop into constant enterprises.

• Journal of Hospice and Palliative Care
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• v.14 no.4
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• pp.197-203
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• 2011

Purpose: Pain is the most common and influential symptom in cancer patients. Few studies concerning pain intensity in the terminally ill cancer patients have been done. This study aimed to identify factors related with more than moderate pain. Methods: This study used secondary data of 162 terminal cancer inpatients at the palliative ward of six training hospitals in Korea. Physician-assessed pain assessment was by 10 point numeric rating scale. Substantial pain was defined more than moderate intensity by the Korean National Guideline for cancer pain. The Korean version of the MD Anderson Symptom Inventory was self-administered to assess symptoms. Survival prediction was estimated by the attending physicians at the time of admission. Results: Less than six weeks of predicted survival and more than numeric rating of six for worst drowsiness in the previous 24 h were significantly related to substantial pain (P=0.012 and P=0.046, respectively). The dose of opioid analgesics was positively related to substantial pain (P=0.004). Conclusion: Factors positively related to substantial pain were less than six weeks of predicted survival and considerable drowsiness. Careful monitoring and active preparation for pain are required in terminal cancer patients having those factors.

• Journal of the Korean Data and Information Science Society
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• v.27 no.3
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• pp.711-724
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• 2016

Under variable complex operating environment, various factors can affect the lifetimes of systems. In this research, we study bivariate reliability models having multiple dynamic competing risks. As competing risks, in addition to the natural failure, we consider the increased stress caused by the failure of one component, external shocks, and the level of stress of the working environment at the same time. Considering two reliability models which take into account all of these competing risks, we derive bivariate life distributions. Furthermore, we compare these two models and also compare the distributions of maximum and minimum statistics in the two models.

• Journal of Digital Convergence
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• v.20 no.5
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• pp.331-336
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• 2022

This study proved that the importance of Alderfer's ERG theory. it checked the effects of these three elements on organization-based self-esteem through resilience. In particular, the relationship between the ERG and the psychological factors of the members of the organization is investigated. Moreover, we attempt to verify the mediating effect of resilience on the relationship between ERG and organization-based self-esteem. This study was used for analysis a survey on data 265 employees in 10 organizations. The major finding are as follows. it was found that all three elements of ERG was positively effected resilience. Furthermore, resilience was found to improve the level of organization-based self-esteem. Finally, it was found that resilience have played a mediating role on the relationship between the ERG and organization-based self-esteem. In the conclusion, the summary and implications of the study and the future direction of the study were presented.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 2004.05a
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• pp.323-326
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• 2004

1990년대 중반이후 급격한 성장을 이룩한 국내 이동통신서비스는 핵심 성공요인과 비즈니스 모델이 해외의 벤치마킹이 되고 있다. 그런데 시장 성숙기의 진입과 제 3세대 기술로의 진화, 번호이동성의 시행으로 인하여 경쟁이 치열하게 전개되고 있으며 유무선 통합 및 디지털 컨버전스라는 새로운 패러다임을 주도해야 하는 전략적 과업을 안고 있다. 이에 따라 국내 이동통신사업자는 내적인 능력의 확충과 우월한 경쟁전략을 바탕으로 경쟁우위를 창출하여야 하며 이는 기업의 지속적인 생존과 수익성 확보의 관건이 된다. 이에 본 연구에서는 국내 이동통신사업자의 기업능력, 경쟁전략, 경쟁우위에 영향을 미치는 요인들을 파악하기 위하여 기업능력과 경쟁전략에 초점을 맞추어 접근하였다. 본 연구 결과에 의하면 마케팅능력이 경쟁전략과 경쟁우위를 형성하는 공통 요인이 되었으나 사업자별로 핵심 능력과 핵심 경쟁전략은 차이가 존재하였다. 본 연구결과를 바탕으로 전략적 시사점을 제언하였다.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.8 no.3
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• pp.754-760
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• 2004

The purpose of this paper is to examine the empirical analysis for charging factors and the evaluation models of internet site. Thus this is to analyze the charging factors affecting the consumer satisfaction of health information sites in the Internet. Based on the covariance structural model applied to a customer survey, this study shows that among the characteristics of the site, contents has the most significant effect on charging factor and customer satisfaction, which in turn affects the consumer willingness to recommend the site to others.

• Journal of Labour Economics
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• v.43 no.2
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• pp.41-74
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• 2020

In this study, using the job history data of the Youth Panel(1-12th year: 2007 ~ 2018) of the Korea Employment Information Service, it is found that characteristics and duration distribution of first jobs of wage and salary worker, and estimated the factors of first job exit by utilizing survival analysis. As a result of the analysis, regular workers are less likely to leave their first jobs than temporary/daily workers. In addition, the group with a high degree of major congruence was found to have a lower chance of leaving the first job than the group with a major mismatch. And the higher the income level, the lower the probability of departure, which shows that the possibility of leaving low-income workers is very high.

• Korean Journal of Social Welfare
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• v.57 no.2
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• pp.253-275
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• 2005

This paper empirically examines the reemployment pattern (full-time versus part-time reemployment) using pooling 6 year data of Korean Labor and Income Panel Study (KLIPS, 1998-2003). A discrete data analysis (multi-nominal logistic regression) is adopted to identify variables predicting reemployment pattern. Among those who lose full-time or part-time job in previous year, women and older people are found to have both longer unemployment durations and lower probabilities of full-time reemployment (versus either each of part-time reemployment or unemployment) than men and younger people. Therefore, the future labor market policy should be more associated with the one for reducing these gender and age differences in worker characteristics.

• Journal of Korean Critical Care Nursing
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• v.12 no.1
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• pp.57-70
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• 2019

Purpose : The purpose of this study was to identify the risk factors for falls in tertiary hospital inpatients and to suggest data for developing a nursing intervention program for preventing falls. Methods: Data were collected between January 1, 2017, to December 31, 2017. Kaplan-Meier estimation was used to measure the survival rate, and the log-rank test was used for the differences between the fall group and the non-fall group. The Cox proportional hazards model was used to identify the risk factors for falls. Results: The incidence rate of falls for the inpatients was 1.2 cases per 1,000 days of hospitalization. The risk factors for falls were more likely to be found among those who were aged ${\geq}81$, had not undergone surgery, had poor joint motion, had unsteady gait, needed help or supervision, used assistive devices, had comorbidity, and took at least two drugs. Conclusion: For the inpatients, the risk factors for falls included age, surgery, comorbidity, medication that could change mobility, joint motion, and use of patient care equipment. It is necessary to give special attention to inpatients who have any of these risk factors and to develop a falls risk assessment tool.