• Journal of KSNVE
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• v.8 no.1
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• pp.180-186
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• 1998

Vibration test fixture is used in random vibration control testing. The specified reference spectrum should be transmitted equally to the specimen attachment points on the fixture. In most practical cases, however, spectrum at each of specimen attachment points may be quite different from the specified reference spectrum because of the dynamic characteristics of vibration test fixture. This paper proposes the method of experimental dynamic modification of fixture system for vibration test so that the reference spectrum can be transmitted to the specimen attachment points without distortion. The stiffness of mounts of specimen and the thickness of fixture are considered as design variables. The frequency response functions of specimen used for input data are obtained from vibration testing, and the frequency response functions of fixture are obtained from finite element modeling. The sensitivities of frequency response functions at specimen attachment points to the mount stiffness are derived from synthesis method of transfer function. And the sensitivities to the thickness of fixture are also derived from finite element modeling. The presented method is verified by computer simulation and vibration testing.

• The Journal of Information Systems
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• v.27 no.1
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• pp.67-88
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• 2018

Purpose The purpose of this study is to verify motivations of corporate Facebook usage and to examine the impacts of usage motivations on brand attachment, trust and loyalty. Design/methodology/approach A conceptual model is developed based on Self-determination theory(SDT) and the previous studies. We conducted a web survey with a convenient sample of 121 Facebook users who clicked "Like" button on the corporate Facebook pages. Findings The followings are the findings of the study. First, intrinsic motivation(Entertainment) turned out to have positive effects on brand attachment. Second, extrinsic motivation(information exchange) turned out to have positive effects on brand trust. Third, brand attachment turned out to have positive effects on brand loyalty. These findings provide a valuable basis for constructing an explanatory model for "Like"-clicking behaviors of corporate's Facebook community platform users, as well as making significant practical contributions to enhance social and commercial benefits for businesses and individuals.

• Fashion & Textile Research Journal
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• v.23 no.5
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• pp.586-597
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• 2021

Personalized product recommendation service is receiving attention as a new marketing strategy while supporting consumer information search and purchasing decisions. This study attempted to verify the effect of self-reference on service use behavior through the dual path of cognitive attitude and emotional attachment. Using convenience sampling, an online survey was conducted with 324 women who were in their 20s and 30s. After collecting and compiling the survey data, the reliability and validity of variables constituting the conceptual research model were verified through confirmatory factor analysis using AMOS 22.0. Next, the significance of sequentially mediated pathways was verified using Process 3.5 Model 80. The results showed that self-referencing not only significantly affects service use intention by simply mediating cognitive attitudes but also sequentially mediates cognitive attitudes and additional information search. Furthermore, self-referencing was significant as an indirect path to service use intention by mediating additional information search. However, in the path mediated by emotional attachment, self-referencing was considered as a simple mediated path leading to service usage intention. These results indicate a dual path in the psychological mechanism, through cognitive and emotional evaluation, that prompts consumer behavioral responses to the personalized product information provided in the shopping process.

• Child Health Nursing Research
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• v.25 no.2
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• pp.95-102
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• 2019

Purpose: The purpose of this study was to identify factors associated with career maturity among Korean high school students. Methods: A descriptive cross-sectional design was adopted using secondary data from the 2012 Korean Welfare Panel Study (KoWePS). The participants were 496 high school students who completed the supplemental survey for children, which included items on career maturity, self-esteem, study stress, teacher attachment, relationship with parents, peer attachment, depression and anxiety. Descriptive statistics, the chi-square-test, the t-test, and a decision tree were used for data analysis. Results: The decision tree identified five final nodes predicting career maturity after forcing self-esteem as the first variable. The highest predicted rate of high career maturity was associated with high self-esteem, experience of career counseling, and high teacher attachment. The lowest predicted rate of high career maturity was associated with low self-esteem and low attachment to friends. Conclusion: Factors influencing career maturity were varied by levels of self-esteem in Korean high school students. Thus, it is necessary to develop different approaches to enhance career maturity according to levels of self-esteem.

• Journal of Koreanology Reviews
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• v.1 no.2
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• pp.19-26
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• 2022

Recently, Podaegi, a traditional Korean childcare product, are spreading abroad like a trend. Sites specializing in the sale of ' Podaegi have been created in the UK, France, and the US, and their popularity is increasing. In addition, China's preference for safe products and demand for global products and premium baby products are rapidly increasing. Nevertheless, the proportion of baby products in Korea is still very small. Therefore, this study seeks to find the differentiated value and direction of development of Podaegi by finding a form and method similar to Podaegi and overseas. The research method was reviewed based on literature research and actual cases. As a result, Podaegi has high practicality and emotional value, and attachment parenting is possible. When the stages of attachment parenting were compared and analyzed, it was confirmed that attachment parenting is possible for a wider age group than others, and that Korean traditional Podaegi has developed differently from Western ones, and that Korean Podaegi is very advantageous for attachment parenting. Therefore, in the future, Korea's Podaegi needs to meet overseas import standards, propose designs that fit the current situation, and promote and develop differentiated values abroad.

• Journal of Dental Rehabilitation and Applied Science
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• v.26 no.1
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• pp.33-38
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• 2010

Maxillectomy is a treatment option for maxillary cancer, which leaves the patient with a palatal defect. It may cause problems with facial deformation, swallowing, mastication, and speech. These functional problems and changes in appearance may result in psychological problems. To control these deficits after maxillectomy, surgical reconstruction or prosthodontic treatment can be chosen as a treatment option. Obturator prosthesis has been used as a preferred method of rehabilitation for most maxillectomy patients. This case is a patient who was classified Aramany classification II hemi-maxillectomy patient with residual teeth from #11-25, whose teeth had substantial labioversion and clinically lengthened from alveolar bone involution, thus making it hard to select proper framework design and resist to the rotational dislodging force of the obturator. Therefore we selected swing-lock attachment design to remain pre-existing crown and bridges and obtain retention and stability of obturator. The swing-lock RPD is economical than the conventional RPD because we can remain pre-existing crown and bridges. And residual teeth which have mobility and poor prognosis can be successfully retained through properly designed swing-lock RPD as it is functioning as a removable splint on the teeth.

• The Journal of Korean Academy of Prosthodontics
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• v.35 no.3
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• pp.486-503
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• 1997

The purpose of this study was to evaluate the stress patterns developed in abutment and residual ridge according to removable denture design in case of remaining mandibular canines. The removable denture designs in this study were as foolows : 1. Removable partial denture with non-splinted abutment 2. Removable partial denture with splinted abutment 3. Overdenture with telescopic crown 4. Overdenture with O-Ring attachment 5. Overdenture with combination bar attachment Photoelastic stress analysis was used to record the isochromatic fringe patterns and to calculate principal stress components at measuring points. The results were as follows : 1. In case of removable partial denture with non-splinted abutment, stress of root area at the loaded side was the largest. No significant differences in stress of root area were observed between loaded side and unloaded side. 2. No significant differences in stress of residual ridge at the loaded side were observed between removable partial denture with splinted abutment and removable partial denture with non-splinted abutment. 3. In case of combination bar attachment retained overdenture, stress of root area was the largest and in case of telescopic crown retained overdenture, stress of root area was the lowest. 4. In case of attachment retained overdenture, stress of residual ridge was lower but stress of root area was larger than in case of removable partial denture.

• Journal of the Korea Fashion and Costume Design Association
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• v.20 no.1
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• pp.29-47
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• 2018

This study aims at looking into women's costume style seen in 18th century to 19th century, and reason out a major decoration, then the formative and aesthetic characteristics of the decoration were analyzed. Research results are same as follows. Firstly, the style of women's costumes in the 18th and 19th century includes the Rococo style, Polonaise style, Neo-classic style, Romantic style and Bustle-style. The main decorations shown in these styles are the gather pleats drape of Fold decoration, the flat embroidery quilting of embroidery decoration, and the ribbon braid fringe button feather and fur of attachment decoration. Secondly, the analyzed results found the formative and aesthetic characteristics of the decoration in the 18th and 19th century women's costumes. Fold decorations appeared as a voluminous property in the form of gown mantua jacket pelisse and dress. Especially, femininity and exaggeration were expressed through greatly inflated skirts. Embroidery decoration appeared as planarity by making patterns of gown mantua jacket stomacher overskirt coat dress shawl and dolman. Especially, exaggeration and extravagance were expressed through embroidered mantua surfaces with peony rose poppy primrose daffodil morning glory tulip leaf and lattice patterns in variety of colored silk threads. Attachment decorations were mixed with elements of heterogeneity added to jackets, coats, gowns, petticoats, stomachers, mantuas, pelisses, mantles, dolmans, capes, overskirts and dresses. In particular, exaggeration and extravagance strongly expressed through the decoration with white fox fur at the hemline, neckline and sleeves of cream colored silk dolman.

• Journal of the Korean Society for Precision Engineering
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• v.21 no.3
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• pp.188-193
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• 2004

The purpose of this paper is concerned with a development of an air-powered handpiece for surgical operation. The handpiece is the tool of surgical instruments and it can be used to interchange multiple attachments for drilling, pinning, sawing, driving screws and reaming. Most of domestic medical instruments bring in overseas and the air-powered handpiece imported from foreign countries at 100％ too. Therefore we develop new air powered handpiece. we research in 2D and 3D modeling, design of air line, analyze structure. The air-powered handpiece composes of body, power supply air-line, elements for mechanical power transmission, attachment, and surgical tools. The handpiece is developed by several processes that 3D design, machining, heat treatment and coating. The developed handpiece is experimented to confirm check the efficiency.

• Annual Conference of KIPS
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• 2007.05a
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• pp.1167-1170
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• 2007

This paper introduces a data storage transport protocol internet Advanced Technology Attachment (iATA) for ATA storage devices that can be accessed over (TCP/IP) networks. As the access speed of Advanced Technology Attachment (ATA) type storage is increasing, the importance of sharing the ATA type storages over internet is also increasing. We are proposing a protocol in which we have implemented the basic ATA command set to access the ATA type remote storage devices over the TCP/IP networks.In this paper, we give basic details of the protocol and discuss the existing storage protocols which are mainly used for accessing block storage like internet Small Computer System Interface (iSCSI) Hyper Small Computer System Interface (HyperSCSI) and ATA over Ethernet (AoE).