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Uses and Gratification on eWOM Tourism Information
Yang,Sung-Soo,Huh,Hyang-Jin,Suh,Yong-Kun 세계문화관광학회 2009 Conference Proceedings Vol.10 No.0
This study draw on the uses and gratifications perspective in tourism information research to examine the tourist experience associated with website. The goal of this study is to investigate the extent to eWOM(electronic Word-of-Mouth) using motivation and gratification. In methodological sense, the survey was employed in user of destination search for travel and performed application with AVOVA for analysis. Data collecting method was a convenience sampling with face-to-face interview. A total of 600 questionnaires were collected from the survey and 577 questionnaires were coded for a data for analysis on this study. Data for the study were drawn from the user who have been travel information on eWOM. The findings deriving from this study are followings; First, Perception of using motivation is consist of 5 dimensions such as Self-Development, Information Acquisition, Enjoyment, Community, and Travel Cost. Second, The findings deriving from this study is a statistically significant difference in the relationship between the using dimensions and user propensity of eWOM tourism information. Finally, using motivation was positively related with behavioral intentions of making process.
( Sul Lee ),( Hyung Joon Yoon ),( Eun Hye Jeon ),( Juseok Yang ),( Yong Jung Song ),( Hyun Jin Roh ),( Sang Hun Lee ),( Byung Su Kwon ),( Ki Hyung Kim ),( Dong Soo Suh ) 대한산부인과학회 2019 대한산부인과학회 학술대회 Vol.105 No.-
Objective: The aim of this study is to evaluate oncologic outcomes of total abdominal radical hysterectomy (TARH), total laparoscopic radical hysterectomy (TLRH) and laparoscopic-assisted radical vaginal hysterectomy (LARVH) in early cervical cancer patients (stage IB2-3, tumor size≥2cm), analyzing the risk factors that may affect the clinical results. Methods: A total of 756 patients underwent radical hysterectomy between 2000 and 2019 from three university hospitals (Pusan National University Hospital, Yang-san Pusan National University Hospital, Ulsan University Hospital) were enrolled. Among them, 172 patients with stage IB2-3 were analyzed retrospectively. Results: Seventy-seven patients were treated with TARH, and 95 were managed via minimally invasive surgery (MIS), consisting of 35 with TLRH and 60 with LARVH. TARH group had better disease five-year disease free survival (DFS) and overall survival (OS) compared with MIS group (86.4% vs. 73.4 for DFS and 91.7 vs. 82.2 for OS), but not statistically significant in both (p=0.058 for DFS and p=0.119 for OS). When TARH and the LARVH group were compared, both five-year DFS and OS were not significant different (86.4 vs 82.2%; p=0.288 for DFS and 91.7 vs 84.4%; p=0.206 for OS). However, when TARH and the TLRH group were compared, TLRH group had significantly worse five-year DFS than TARH (86.4 vs 54.5%; p=0.008), but five-year OS was not significant different (91.7 vs 77.5%; p=0.127). Multivariate analysis showed that LN metastasis and TLRH surgical approaches were an independent prognostic factor for DFS in IB2-3 cervical cancers. Conclusion: Our findings provided the evidence that TLRH surgical approach was associated with worse DFS in IB2-3 cervical cancers but that of LARVH was not. Such results may have important implications of colpotomy method for MIS in cervical cancer.
Yang, Hun-Mu,Woo, Yong-Je,Won, Sung-Yoon,Kim, Da-Hye,Hu, Kyung-Seok,Kim, Hee-Jin Mutaz B. Habal, MD 2009 JOURNAL OF CRANIOFACIAL SURGERY - Vol.20 No.5
The aim of this study was to elucidate the sublingual and intralingual courses of the lingual nerve (LN) in the ventral tongue region, providing a clinical guide for safe surgical procedures such as frenectomy. We evaluated 16 specimens (32 sides) by gross observation after detailed dissections, and a further 6 specimens were examined after Sihler staining. All specimens were harvested from embalmed Korean cadavers. We classified the innervation patterns of the LN into 5 types and confirmed the distribution of the LN in the tip of the tongue. The classification of the LN was made with reference to a line formed by the interlacing of the styloglossus and genioglossus muscles. Based on the course of LN and the presence of a tiny twig (twigs directly innervating the ventral mucosa of the tongue, TM) directly innervating the sublingual mucosa, the course of the LN was classified as being straight, curved, or vertical and with or without the TM. Straight, curved, and vertical courses without the TM were seen in 9.4%, 46.9%, and 18.8% of the cases, respectively. Straight and curved courses with the TM were observed in 6.3% and 18.8% of the cases, respectively. Sihler staining revealed that the tongue tip is innervated by the LN. These findings indicate that surgical manipulations at the ventral tongue region might damage the LN and result in numbness of the tongue tip, and provide a useful anatomic reference for various surgical procedures involving the ventral tongue region.
Capture of Volatile Hazardous Metals Using a Bed of Kaolinite
Yang, Hee Chul,Yun, Jong Sung,Kang, Mun Ja,Kim, Joon Hyung,Kang, Yong 한국화학공학회 1999 Korean Journal of Chemical Engineering Vol.16 No.5
One of the promising technologies for reducing metals emission from the waste thermal process is the capture of vapor-phase metals through the use of solid sorbents. This study investigated the use of natural kaolinite for the removal of several volatile metals. The capture of cadmium and lead using a packed bed with porous kaolinite of the size range 300-400㎛ was effective. The capturing efficiency increased as the bed temperature increased. The ratio of the sorption reaction rate to the diffusion rate varied on the 10^(-2) order of magnitude. This suggests that the resistance of the diffusion within the pores of kaolinite particles is not significant in the selection of sorbent particle size for practice. The capturing mechanism for cadmium chloride is different from that for lead chloride. Cadmium can be reactively scavenged by CdO·Al₂O₃·2SiO₂ as well as metakaolinite, suggesting that a unit mole of metakaolinite can ultimately capture two moles of cadmium.
Sang-Hyun Lee,Seung-Hak Yang,Yong-Min You 한국인터넷방송통신학회 2017 Journal of Advanced Smart Convergence Vol.6 No.3
Currently, wired gables have been installed or portable storage devices have been installed for data acquisition of flying drone. In this paper, we propose a technology to transmit data wirelessly by sensing information such as battery discharge value, acceleration, and temperature by attaching RF sensor to a drone. The purpose of this paper is to design and develop the monitoring technology of agriculture drone battery usage in real time using RF sensor. In this paper, we propose a monitoring system that can check real time data of battery changed value, temperature, and acceleration during pesticide control activity of agricultural drone.