• Journal of the Korean Society of Food Science and Nutrition
• /
• v.37 no.12
• /
• pp.1667-1673
• /
• 2008

This study was conducted to investigate the purchase behavior of environment-friendly agricultural products (EFATs) and to provide necessary information for planning and executing effective marketing strategies for producers and distributors. The subjects of this study were 306 housewives in the Seoul area over the age of 20. The result of this study showed that once a month topped with 38.9% in the frequency of purchase, vegetables were the highest with 83.3% in the percentage of purchase and the place of purchase most frequented by consumers discount stores (45.8%), but purchases from farmers were the lowest with 3.6%. TV/radio topped the list of information resource with 3.42, followed by family/relatives/friends (3.33) and newspaper/ magazine (3.31). Those surveyed listed sanitary condition/freshness (4.43), safety (4.20), nutrition (4.05), and taste (3.99) as major evaluative criteria for choosing organic food, in order of importance. Finally, consumers seem to be satisfied with the nutrition (3.75), safety (3.71), and freshness (3.70) of the products and they were dissatisfied with the price of the products.

• Journal of the Korean Society of Costume
• /
• v.56 no.4 s.103
• /
• pp.96-107
• /
• 2006

This survey was performed to gain basic information for the development of new protective clothing of high acceptability in pesticide splaying among small size farmers. The rate of protective clothing wearing was low during pesticide spray although they understand its necessity. The reason for this low acceptability was related to the heat stress and reduced work efficiency deriving from wearing protective clothing. Instead of wearing they tend to carry out spray work while the ambient temperature is not to high. In the similar context, they rather intend to spray in consideration of weather condition instead of wearing protective clothing in the future. However, they are willing to purchase protective clothing if desirable products are developed: the clothing need to be efficient in both protection and work performance; the fanciness in design is not a requisite. This survey result will provide information necessary for the direction of new protective clothing development.

• International Journal of Reliability and Applications
• /
• v.12 no.2
• /
• pp.131-143
• /
• 2011

In most of literatures of age replacement policy, the authors consider the case that a new item starts operating at time zero and is to be replaced by new one at time T. It is, however, often to purchase used items because of the limited budget. In this paper, we consider age replacement policy of a used item whose age is $t_0$. The mathematical formulas of the expected cost rate per unit time are derived for both infinite-horizon case and finite-horizon case. For each case, we show that the optimal replacement age exists and is finite and investigate the effect of the age of the used item.

• Proceedings of the IEEK Conference
• /
• 2008.06a
• /
• pp.133-134
• /
• 2008

Usability study of the CU Medical "i-PAD" AED was conducted to validate the usability of the device, primarily focused on the trained user as well as the utility of the training material. Comparing these results of the trained participants to those obtained by Callejas et al. (2004), who studied video-trained users of two commercially available Philips AEDs (FR2 and HS1) using a male manikin only, the participants in this study were more successful (100% vs. 85.7%-FR2 vs. 88.9%-HS1) and faster to shock (58.5s-i-PADvs. 91s-FR2 vs. 90s- HS1). While the focus of this study was on validating ease of use for trained bystanders, the results of the untrained condition showed that, from a usability perspective, these devices perform as well as any other AEDs already approved and available for purchase for untrained bystander use, as evidenced by the comparison to various published research results

• Journal of the Korean Society of Costume
• /
• v.37
• /
• pp.33-46
• /
• 1998

The purposes of present study were (1) to examine the actual condition of wearing and purchasing Hanbok, (2) to investigate the effect of demographic variables on the wearing and purchasing Hanbok and (3) to identify the dissatisfaction with Hanbok. Data were collected from 702 females, age 20 or older, residing in Seoul, Taejon, Pusan and were analysed. Results of this study were as follows : (1) Korean urban women possess from one to three Traditional Dress and wear Hanbok in one to three during one year for special days. (2) The demographic variables that affect on wearing and purchasing Traditional Hanbok were age, income, family make-up and growing region. (3) One among the four Korean urban women possesses a Deformed Hanbok. And Korean women wears Deformed Hanbok for both daily life and special days. (4) The store that most women purchase Hanbok was order-made store near the house. The income affected on the store that purchaser selects significantly. (5) Three factors consisting of dissatis-faction with Hanbok were dissatisfaction with 'wearing', 'purchasing' and 'diversity of Hanbok design'. (6)Significant levels of correlations existed between the degrees of wearing Hanbok and the dissatisfaction.

• Journal of Korean Society of Industrial and Systems Engineering
• /
• v.32 no.1
• /
• pp.61-66
• /
• 2009

Usability study of the CU Medical "i-PAD" AED was conducted to validate the usability of the device, primarily focused on the trained user as well as the utility of the training material. Comparing these results of the trained participants to those obtained by Callejas et al. (2004), who studied video-trained users of two commercially available Philips AEDs (FR2 and HS1) using a male manikin only, the participants in this study were more successful (100% vs. 85.7%-FR2 vs. 88.9%-HS1) and faster to shock (58.5s-i-PAD vs. 91s-FR2 vs. 90s-HS1). While the focus of this study was on validating ease of use for trained bystanders, the results of the untrained condition showed that, from a usability perspective, these devices perform as well as any other AEDs already approved and available for purchase for untrained bystander use, as evidenced by the comparison to various published research results.

• Journal of Advanced Marine Engineering and Technology
• /
• v.20 no.2
• /
• pp.83-83
• /
• 1996

Recently, for enhanced productivity the induction of CAD/CAM is vigorous. Most of high-level CAD/CAM systems produce powerful faculties. But it is very expensive to purchase the system in small and difficult to be operated by non-experienced workers effectively. Then the resonable CAM system for these is needed. In this study we developed a proto-type of the CAM system for CNC lathe connecting with personal computer. This system is configured with interactive menu windows for easy control of CNC lathe. And the system supports tool path generation for cutting conditions of workpiece. The performance of this system is satisfactory.

• Journal of Advanced Marine Engineering and Technology
• /
• v.20 no.2
• /
• pp.15-23
• /
• 1996

Recently, for enhanced productivity the induction of CAD/CAM is vigorous. Most of high-level CAD/CAM systems produce powerful faculties. But it is very expensive to purchase the system in small and difficult to be operated by non-experienced workers effectively. Then the resonable CAM system for these is needed. In this study we developed a proto-type of the CAM system for CNC lathe connecting with personal computer. This system is configured with interactive menu windows for easy control of CNC lathe. And the system supports tool path generation for cutting conditions of workpiece. The performance of this system is satisfactory.

• Korean journal of food and cookery science
• /
• v.7 no.4
• /
• pp.103-109
• /
• 1991

The purpose of this study was to evaluate the foodservice management practices in day care centers in order to provide basic information and guideline for development of foodservice facilities standard model and sanitation manuals. Basic survey and evaluation were done for 24 day-care centers categorized in four groups. General foodservice management practies, status of equipment, and hygienic conditions were evaluated. The results of the survey showed the followings: the cost of lunch and the cost of interim snack varied very much among each group; development of standard recipe as well as purchase of foods were not done by an expert; the hygienic condition of kitchens and dining-room needed more attention for improvement; the sanitary practies of employees showed potential problems; kitchen facilites were not standardized, especially only 20.8% of the facilities were equipped with the three-compartment sink, which was regarded as essential.

• Fisheries and Aquatic Sciences
• /
• v.23 no.4
• /
• pp.11.1-11.11
• /
• 2020

We tried to find the optimal growth conditions of sea cucumber and to analyze the economic effectiveness of the sea cucumber seedling release project in Korea. We first examined the optimal growth conditions of sea cucumber in the relating literatures. Then, we analyzed the economic effectiveness of the sea cucumber seedling release project of the Woncheon fishing village union of Gyeongnam Province in 2016-2018 by using the cost benefit analysis method. The net income of the release project of the Woncheon fishing village union was 69,850 Korean won. The benefit to cost ratio of the sea cucumber seedling release project of the Woncheon fishing village union was estimated to be 1.7, indicating that the project was economically feasible. In order to improve the economic feasibility of the sea cucumber release project, as we see in the case of the Woncheon fishing village union, it is necessary to manage the purchase of the sea cucumber seedling, to improve the recapture rate of sea cucumber, and to manage marketing of sea cucumber.