• 한국의류산업학회지
• /
• 제9권2호
• /
• pp.229-236
• /
• 2007

Many researchers have focused on consumers' clothes purchase behavior, These researches could not reflect the characteristics of the single consumers' clothes purchase behavior. In addition, little has been written on the single consumer. The purposes of this study are to identify the concept and psychologic characteristics of single consumer and investigate the effects of single consumers' psychologic characteristic and susceptibility to interpersonal influence on clothes shopping pursuing value. Also, It was analyzed how single consumer' pursuing values are different based on the type of single motivation. To test research problems, Data were collected by means of a survey questionnaire, which was sent to 300 single in Pusan and Ulsan. In total, 274 were returned and 14 were unusable because of unacceptable levels of missing data. The Results were summarized as follows: First, self-efficacy, informative and normative influence were positively related to utilitarian pursuing value employee satisfaction. Also, self-efficacy, variety seeking, innovativeness and informative influence had a positive effect on hedonic pursuing value. Second, voluntary single and nonvoluntary single group had different perceptions about self-efficacy, variety seeking, innovativeness, informative influence, and hedonic pursuing value.

• 대한안전경영과학회지
• /
• 제11권1호
• /
• pp.205-211
• /
• 2009

In reality, distribution planning for a supply chain is established using a certain probabilistic distribution estimated by forecasting. However, in general, the demands used for an actual distribution planning are of deterministic value, a single value for each of periods. Because of this reason the final result of a planning has to be a single value for each period. Unfortunately, it is very difficult to estimate a single value due to the inherent uncertainty in the probabilistic distribution of customer demand. The issue addressed in this paper is the selection of single demand value among of the distributed demand estimations for a period to be used in the distribution planning. This paper proposes an efficient demand selection scheme for minimizing total inventory costs while satisfying target service level under the various experimental conditions.

• 대한한방내과학회지
• /
• 제19권2호
• /
• pp.139-158
• /
• 1998

In order to study the anti-hyperlipidemic effects of Evening primrose, the changes of body weight, serum total cholesterol, serum HDL-cholesterol, serum triglyceride, serum LDL-cholesterol, serum total lipid and organ weight were observed after the liquid extracts of Single-dosage Evening primrose and Double-dosage Evening primrose were administered p.o to the hypercholestemic and hypertriglyceremic rats induced by 1% cholesterol diet during 10, 20, 30 days. The result were summarized as follows ; 1. The contents of body weight compared with control group was significantly decreased in single-dosage Evening primrose group during 10, 30 days and in double-dosage Evening primrose group did not show significant value. 2. The contents of serum total cholesterol with control group tend to be decreased in single-dosage Evening primrose group, but did not show significant value. Double-dosage Evening primrose group showed significant value during 20, 30 days. 3. The contents of serum HDL-cholesterol compared with control group was significantly increased in single-dosage Evening primrose group during 10, 20, 30 days. Double-dosage Evening primrose group showed significantly value during 30 days. 4. The contents of serum triglyceride compared with control group was significantly decreased in single-dosage Evening primrose group during 10, 30 days. Double-dosage Evening primrose group showed significant value during 20 days. 5. The contents of serum LDL-cholesterol compared with control group was significantly decreased in single-dosage Evening primrose group during 10 days. Double-dosage Evening primrose group showed significant value during 10, 20, 30 days. 6. The contents of serum total lipid compared with control group was significantly decreased in single-dosage Evening primrose group during 20 days. Double-dosage Evening primrose group showed significant value during 20, 30 days. 7. The contents of liver weight compared with control group was significantly decreased in single-dosage Evening primrose group and double-dosage Evening primrose group. The contents of kidney weight compared with control group was significantly decreased in single-dosage Evening primrose group. The contents of spleen weight compared with control group was significantly decreased in single-dosage Evening primrose group and double-dosage Evening primrose group. The contents of testis weight compared with control group tend to decreased in single-dosage Evening primrose group and double-dosage Evening primrose group, put did not show a significant value. From the above results, it was thought that Evening primrose could be applied effectively to the Hyperlipidemia.

• 한국전기전자재료학회:학술대회논문집
• /
• 한국전기전자재료학회 2009년도 추계학술대회 논문집
• /
• pp.135-135
• /
• 2009

In this work we compared the electrical characteristic of single gate and dual gate in MIC-TFT. We fabricated p-channel TFTs based on MIC structure. In mobility, dual gate ($61.35cm^2/Vsec$) got a higher value than single gate ($55.96cm^2/Vsec$). In $I_{on}/I_{off}$ dual gate ($6.94{\times}10^6$) got a higher value than single gate ($1.72{\times}10^6$) too. In $I_{off}$, dual gate got a lower value than single gate. Therefore, dual gate is good and less power consumption than single gate.

• 한국조경학회지
• /
• 제34권5호
• /
• pp.84-99
• /
• 2006

The traditional temples located in national parks have various functions, such as religious practice, tourist destination, and conservation for cultural and natural resources. One functions have implicit monetary values in terms of public benefits. The purpose of this study was to estimate both use and non-use conservation values for two traditional temples, Sinheungsa and Haeinsa, using the contingent valuation method. In the study, both single-bounded and double-bounded dichotomous choice methods were used in an application of Turnbull distribution-free model. A total of 659 visitors were interviewed, 350 in Sinheungsa and 309 in Haeinsa. The mean WTP (willingness to pay) for Sinheungsa using single-bounded method was 4,040 Won for the use value, 6,157 Won for the cultural conservation value, and 5,624 Won for the natural conservation value. The mean WTP for Haeinsa using single-bounded method was 6,463 Won for the use value, 8,769 Won for the cultural conservation value, and 8,013 Won for the natural conservation value. The total economic value of each temple accounted for 50% (Sinheungsa) and 80% (Haeinsa) of the total economic value of the associated national park. It was also found that the single-bounded method was more conservative than the double-bounded method in terms of value estimation. The WTP was highest for the cultural conservation value and lowest for the use values in both temples, with natural conservation values falling in the middle, which showed that people perceived traditional temples as the cultural heritage. Based on these results, it was suggested that traditional temples should be designated as an 'multiple heritage area' so that conservation can be used as the main criteria for various use programs.

• 한국콘텐츠학회논문지
• /
• 제22권1호
• /
• pp.611-619
• /
• 2022

본 연구는 2017년, 2019년 국민건강영양조사 자료를 활용하여 1인 독거가구 중 우울증 및 자살생각에 영향을 미치는 요인에 대하여 분석하였다. 분석에 포함된 변수는 인구사회, 경제학적 변수, 건강상태 및 건강행동 변수를 고려하였다. 분석결과 우울증 유병은 활동제한 여부(OR: 4.753, p-value: <.0001), 현재흡연 여부(OR: 2.013, p-value: 0.044)와 통계적으로 유의한 관련성이 있었고, 자살생각은 가구소득(OR: 3.526, p-value: 0.043), 주관적 건강상태(OR: 2.945, p-value: 0.007), 활동제한(OR: 2.263, p-value: 0.003), 현재흡연 여부(OR: 2.000, p-value: 0.023)와 통계적으로 유의한 관련성이 있었다. 이처럼 1인 독거가구는 그 자체로 심리적 불안감을 가질 수 밖에 없고, 사회경제적, 신체적으로 위기에 처하여 정신건강 문제를 일으킬 수 밖에 없으므로 지역사회에서 사회적 네트워크 시스템을 구축하여 이들을 조기에 발견하여 적절한 중재를 통해 비관적 결과로 이어지지 않도록 해야할 것이다.

• 한국수자원학회:학술대회논문집
• /
• 한국수자원학회 2016년도 학술발표회
• /
• pp.201-201
• /
• 2016

The asymptotic extreme value distributions of maxima are a natural choice when designing against future extreme events like flood peaks or wave heights, given a stationary time series. The generalized extreme value distribution (GEV) is often utilised in this context because it is seen as a convenient single expression for extreme event analysis. However, the GEV has a drawback because the location of the distribution bound relative to the data is a discontinuous function of the GEV shape parameter. That is, for annual maxima approximated by the Gumbel distribution, the data is also consistent with a GEV distribution with an upper bound (no lower bound) or a GEV distribution with a lower bound (no upper bound). A more consistent single extreme value expression for design purposes is proposed as the Weibull distribution of smallest extremes, as applied to transformed annual maxima. The Weibull distribution limit holds here for sufficiently large sample sizes, irrespective of the extreme value domain of attraction applicable to the untransformed maxima. The Gumbel, Type 2, and Type 3 extreme value distributions thus become redundant, together with the GEV, because in reality there is only a single asymptotic extreme value distribution required for design purposes - the Weibull distribution of minima as applied to transformed maxima. An illustrative synthetic example is given showing transformed maxima from the normal distribution approaching the Weibull limit much faster than the untransformed sample maxima approach the normal distribution Gumbel limit. Some New Zealand examples are given with the Weibull distribution being applied to reciprocal transformations of annual flood maxima, where the untransformed maxima follow apparently different extreme value distributions.

• 한국의류학회지
• /
• 제34권1호
• /
• pp.14-26
• /
• 2010

This study investigates the effectiveness of fashion coordination presentation formats when people buy apparel products online. This study conducted an online survey with 595 females who shopped online at the simulated website by a single apparel plan picture (n=189), coordination plane picture (n=187), and 3-D coordination image (n=216). For data analysis, factor analysis, Cronbach's alpha, MANCOVA, ANOVA, Duncan test, correlation analysis, and chi-square are used. The results of this study are: First, the hedonic shopping value was significantly the highest when respondents shopped at a 3-D coordination image shopping mall, the next highest-scored presentation type was the coordination plane picture, and the case of presenting only the single apparel picture was significantly the lowest. The utilitarian shopping value and information shopping value were higher in the coordination plane picture and the 3-D coordination image shopping mall than the single apparel picture. Second, transactions satisfaction was high when respondents shopped at a 3-D coordination image, coordination plane image, and single apparel image in decreasing order.

• 한국대기환경학회지
• /
• 제32권5호
• /
• pp.513-525
• /
• 2016

To propose an effective ensemble methods in predicting $PM_{10}$ concentration, six experiments were designed by different ensemble average methods (e.g., non-weighted, single weighted, and cluster weighted methods). The single weighted method was calculated the weighted value using both multiple regression analysis and singular value decomposition and the cluster weighted method was estimated the weighted value based on temperature, relative humidity, and wind component using multiple regression analysis. The effects of ensemble average methods were significantly better in weighted average than non-weight. The results of ensemble experiments using weighted average methods were distinguished according to methods calculating the weighted value. The single weighted average method using multiple regression analysis showed the highest accuracy for hourly $PM_{10}$ concentration, and the cluster weighted average method based on relative humidity showed the highest accuracy for daily mean $PM_{10}$ concentration. However, the result of ensemble spread analysis showed better reliability in the single weighted average method than the cluster weighted average method based on relative humidity. Thus, the single weighted average method was the most effective method in this study case.

• International Journal of Fluid Machinery and Systems
• /
• 제4권4호
• /
• pp.387-395
• /
• 2011

Single-blade centrifugal pumps are widely used as sewage pumps. However, the impeller of a single-blade pump is subjected to strong radial thrust during pump operation because of the geometrical axial asymmetry of the impeller. Therefore, to improve pump reliability, it is necessary to quantitatively understand radial thrust and elucidate the behavior and mechanism of thrust generating. This study investigates the radial thrust acting up on a single-blade centrifugal impeller by conducting experiments and CFD analysis. The results show that the fluctuating component of radial thrust increases as the flow rate deviates from the design flow rate to low or high value. Radial thrust was modeled by a combination of three components, inertia, momentum, and pressure by applying an unsteady conservation of momentum to the impeller. The sum of these components agrees with the radial thrust calculated by integrating the pressure and the shearing stress on the impeller surface. The behavior of each component was shown, and the effects of each component on radial thrust were clarified. The pressure component has the greatest effect on the time-averaged value and the fluctuating component of radial thrust. The time-averaged value of the inertia component is nearly 0, irrespective of the change in the flow rate. However, its fluctuating component has a magnitude nearly comparable with the pressure component at a low flow rate and slightly decreased with the increase in flow rate.