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        검색결과 204

        22.
        2016.07 구독 인증기관 무료, 개인회원 유료
        The purpose of this study is to explore marketers’ reaction towards the recession in terms of the applied marketing strategies, tactics and activities and the examination of the marketing budget formulation and its allocation in the context of Greece, where the economic recession is lasting more than six years.
        4,000원
        23.
        2016.07 구독 인증기관·개인회원 무료
        In today’s digital world the role of electronic word-of-mouth (eWOM) communication has been recognized as an invaluable tool in the integrated marketing communications and promotion activities of a wide range of products and services. In particular eWOM has been identified as a critical component of tourism and entertainment marketing such as that used to promote theme park amusement services. This paper examines the effects of social media (SM) relationship variables (Social identity, information, interaction, structure) have on eWOM communication, with mediators of social networks (Perceived usefulness - PU, perceived ease of use - PEOU and actual use -AU) acting as transmitters of those effects. Although previous studies have strongly supported the importance of social identity and personal interaction in enhancing eWOM communication through social networks, they have not been tested as a specific model that is relevant to the theme park industry. This research therefore incorporates those three mediators to enhance the explanatory value of a proposed model. The findings confirm the mediating role of technology acceptance model (TAM) factors, i.e. PU, PEOU and AU, for predicting theme park visitors’ use of eWOM. It is shown that all four exogenous SM relationship variables exert a positive indirect effect on eWOM communication by operating through PU and AU, but not PEOU. Practically, the study features the role of a set of factors that support theme park visitors’ tendency to communicate their experiences to their online network and describes a model which could offer theme park and amusement venue operators a competitive edge over other direct competitors as well as other forms of entertainment.
        24.
        2016.06 KCI 등재 SCOPUS 구독 인증기관 무료, 개인회원 유료
        We report the characterization of a massive (mp = 3:91:4Mjup) microlensing planet (OGLE- 2015-BLG-0954Lb) orbiting an M dwarf host (M = 0:33  0:12M ) at a distance toward the Galactic bulge of 0:6+0:4 􀀀0:2 kpc, which is extremely nearby by microlensing standards. The planet-host projected separation is a?  1:2AU. The characterization was made possible by the wide- eld (4 deg2) high cadence (􀀀 = 6 hr􀀀1) monitoring of the Korea Microlensing Telescope Network (KMTNet), which had two of its three telescopes in commissioning operations at the time of the planetary anomaly. The source crossing time t = 16 min is among the shortest ever published. The high-cadence, wide- eld observations that are the hallmark of KMTNet are the only way to routinely capture such short crossings. High-cadence resolution of short caustic crossings will preferentially lead to mass and distance measurements for the lens. This is because the short crossing time typically implies a nearby lens, which enables the measurement of additional e ects (bright lens and/or microlens parallax). When combined with the measured crossing time, these e ects can yield planet/host masses and distance.
        4,000원
        25.
        2015.09 KCI 등재 구독 인증기관·개인회원 무료
        We have been performing daily VLBI monitoring of the ux density of Sagittarius (Sgr) A* at 22 GHz from February 2013 to August 2014 using a sub-array of the Japanese VLBI Network (JVN). The purpose of this monitoring is to explore the ux density variability at daily time resolution for a period longer than one year with the G2 cloud approaching. The ux density of Sgr A* is basically stable during the observational period, though there are some small variations. The average and scattering range are consistent with the previously observed values. We have observed no strong are of Sgr A* although it is near the expected peri-center passing.
        26.
        2015.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        We present a kinematic study of the parsec-scale radio jet in OJ 287, one of the most studied BL Lac objects, during γ-ray ares, to explore the relation between parsec-scale radio jet activity and γ-ray emission. The 22-GHz light curve of OJ 287 show three obvious are events around 2011 May, 2011 October, and 2012 March. The second radio are occurred during the γ-ray aring period, and the third radio are seemed to precede the γ-ray are by one month. One jet component moved outward with respect to the core component with an apparent superluminal speed (~ 11c) from 2010 November to 2011 November. Then it changed direction, moving apparently inward in 2011 November, when the γ-ray are occurred. The observed apparent inward motion of the jet at 22 GHz could be caused by a new jet component, unresolved at 22 GHz, in the innermost region.
        3,000원
        27.
        2015.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        We use ALLWISE data release W1- and W2-band epoch photometry collected by the Wide-Field Infrared Survey Explorer (WISE) to determine slopes of the period-luminosity relations for RR Lyrae stars in 15 globular clusters in the corresponding bands. We further combine these results with V- and K-band photometry of Galactic field RR Lyrae stars to determine the metallicity slopes of the log PF - [Fe/H]-MK, log PF - [Fe/H]-MW1, and log PF - [Fe/H]- MW2 period-metallicity-luminosity relations. We infer the zero points of these relations and determine the kinematical parameters of thick-disk and halo RR Lyraes via statistical parallax, and estimate the RR Lyrae-based distances to 18 Local-Group galaxies including the center of the Milky Way.
        4,000원
        28.
        2015.06 구독 인증기관·개인회원 무료
        Our research focused on the development of a conceptual model of the turnover intention of part-time sales associates working in apparel retailing to enhance understanding of the issue and thus, provide information to apparel retailers to curtail the loss of human resources. The model consists of input variables and outcomes. Input variables were personal characteristics, work engagement, and work effort. Outcome variables were job performance, job satisfaction, burnout, and employee turnover. A convenience sample of 294 part-time workers completed an online questionnaire. Structural equation modeling was used to test hypotheses regarding antecedents to turnover intention. This study revealed that self-efficacy and work competencies indirectly influenced intention to turnover because they influenced work engagement, which in turn positively affected work effort. Work effort and work engagement directly influenced job performance, which in turn impacted job satisfaction. The data also indicated a negative relationship between job satisfaction and burnout. Burnout had a direct influence on turnover intention. As a research limitation, our data came from a purposive sample. A random sample of part-time associates is needed to generalize findings. This study provides numerous implications for future research with regard to additional variables impacting work effort, work engagement, job satisfaction, and turnover intention.
        29.
        2015.06 구독 인증기관·개인회원 무료
        Theoretically, the meanings attached to luxury brands have been thought to be integrated in consumers’ identities, yet this possibility has not yet been explicitly investigated. This paper describes the development of a 23-item instrument for assessing the enrichment of an individual's personal identity through their identity as a luxury consumer. An exploratory factor analysis on data from a survey using this instrument indicates the existence of five factors (unburdening, pleasure, impressiveness, sensation and connectedness). The scale has a variety of potential applications and can serve as a framework for further empirical research.
        31.
        2014.06 구독 인증기관 무료, 개인회원 유료
        The aim of this study was to investigate antimicrobial effect of oleanolic acid (OA), ursolic acid (UA), and sophoraflavanone G against Enterococcus faecalis and Propionibacterium acnes, which are the major causative bacteria of endodontic infections. The antimicrobial activity was evaluated by the minimal inhibitory concentration (MIC). The data showed that the OA, UA, and sophoraflavanone G had antimicrobial effect on all the strains use in the study with 16-64 µg/ml, 8-64 µg/ml, and 1-8 µg/ml of MIC values, respectively. These results indicate that OA, UA, and sophoraflavanone G could be useful in the development of antiseptic solution for washing the root canal in endodontic treatments.
        4,000원
        33.
        2014.04 구독 인증기관 무료, 개인회원 유료
        The Joint South Korea and United States Jeju 4.3 Task Force on Social Healing Through Justice, proposed here, focuses on potential next steps in view of the strong sense of many that 4.3 reconciliation is "unfinished business." It proposes a creative yet practical way for the United States, South Korea and Jeju people to engage in collaborative 4.3 social healing. Together as Part of the proposed Joint Task Force, they might more fully implement past recommendations and chart and oversee next steps toward comprehensive and enduring social healing “by doing justice." ’This proposal is based on the National Committee’s now-translated Report and the insights of scholars and the work of many of you here, along with others deeply interested in social justice. Those of us not from Jeju, or South Korea, who appreciate your invitation to participate, humbly and respectfully offer this proposal for your consideration with justice in mind.
        4,000원
        34.
        2013.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        During high speed sewing, the needle thread is exposed to dynamic loading, short strike loading, inertia forces, friction, rubbing, force of check spring, bending, pressure, friction, impact, shock and thermal influence. The dynamic thread loading/tension alters throughout the stitch formation cycle and along its passage through the machine. The greatest tensile force occurs at the moment of stitch stretching, when the take up lever pulls for required thread length through the tension regulator. These stresses act on the thread repeatedly and the thread passes 50-80 times through the fabric, the needle eye and the bobbin case mechanism, before getting incorporated into the seam, which result in upto 40% loss in tensile strength of the sewing thread. This damage in the sewing thread adversely affects its processing and functional performance. In this paper, the contribution of dynamic loading, passage through needle and fabric, and bobbin thread interaction in the loss in tensile properties has been studied. It is observed that the loss in tensile properties occurs mainly due to the bobbin thread interaction. Dynamic loading due to the action of take up lever also causes substantial loss in tenacity and breaking elongation of cotton threads.
        4,000원
        38.
        2013.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This experiment was carried out to determine the effect of different spectrum conversion greenhouse films (red, blue, red+blue) to changing microclimate and subsequent effect on growth and quality of lettuce (Lactuca sativa L.), tomato (Solanum lycopersicum L.), and melon (Cucumis melo L.) Transmission of PAR (photosynthetic active radiation, 400-700 nm) under red, blue, and blue+red (BR) films was higher by 7.2, 7.6, and 5.8%, respectively, as compared with control greenhouse film. Light transmission in the 300-1100 nm wave band was 91.6% and 91.3% under red and blue films, respectively, compared to 86.4% under control film. Mean daytime temperature in greenhouse was slightly higher in red and blue film and mean night time temperature was higher in BR film. There were no significant differences in relative humidity among the films. Number of leaves and plant fresh weight of lettuce were higher under BR film. Total number of marketable tomato fruits was greater under blue and BR film and fruit weight was heavier under red and blue film compared to control film. Under BR and red film melon fruit weight was increased by 140 g and 80 g respectively, as compared to control film. Sugar content in melon and tomato fruits was not affected by covering films.
        4,000원
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