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?明?(Zheng, Ming-Xuan),金?珉(Kim, Seog-Min) 한국동북아학회 2019 한국동북아논총 Vol.24 No.2
본 연구는 성장률이 둔화되고 있는 한국의 모바일게임시장에 상업적 성공을 거둔 중국의 모바일게임 “소녀전선”의 성공요인을 체험경제적 시각에서 규명하는데 목적을 두고 있다. 이를 위하여 본 연구에서는 선행연구 검토와 함께, 한국시장에서 상위 10위에 속한 모바일게임의 검색어 인기, 인터넷 게시물 수량, 과금 정도 및 동인작품수 등을 실증적으로 분석하였다. 파인과 길모어의 체험경제 이론에 기초한 분석결과, 이용자의 높은 체험감이 “소녀전선”의 한국 내 성공요인임을 규명하였다. 한편 본 연구는 체험경제적 시각을 이용한 문화콘텐츠산업의 새로운 연구방법론을 제시하였다는 점에서 의의가 있는 것으로 판단한다. The objective of this study is to illustrate the success factors of Chinese mobile game Girl"s Frontline in the saturated Korean mobile game Market. This study is based on previous studies of the perspective of Experience Economy and gives an empirical analyse on the TOP10 mobile games for revenue in Korean Market, including their keyword heat, quantity of posts and fan-fiction, as well as payment. According to the Pine and Gilmore’s Experience Economy Theory, this study has investigated that a positive experience emotion of mobile game consumers is the main success factors of Girl"s Frontline in Korean market. In the other hand, using the sight of the Experience Economy theories is also may be a new research method for studying of the future culture contents industry.
Xuan-Qi Su,Ching-Yen Chen,Chin-Ming Chen,Mei-Shih Chen 한국증권학회 2019 Asia-Pacific Journal of Financial Studies Vol.48 No.6
This paper tests how managerial financial education explains the valuation effects of seasoned equity offerings (SEOs). Using a sample of Taiwanese listed firms during 2007–2018, our results show that investors react more negatively to SEO announcements by firms with more financially educated managers (MFEMs). Such a negative effect is more pronounced for firms with a higher information asymmetry and more earnings management. Further evidence indicates that SEO firms with MFEMs are substantially overvalued and thus experience a significantly long-run post-SEO underperformance. MFEMs are also found to reduce their ownership prior to SEOs. Our overall results support the opportunism-based information advantage hypothesis.
( Shao-xuan Luo ),( Chia-chyi Wu ),( Ming-yih Chang ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
The plant factory was a rapid-developed agricultural technology in East Asia in the past decade. It provides a well-controlled environment for crop growth to guarantee better yield or quality. However, its high energy consumption always leads to criticism. A good environmental control strategies would achieve better plant growth environment or efficient energy utilization. Unfortunately, the control strategy was usually based on the previous growth experience in the field. It is necessary to develop a fast and low-cost, easy-replicated approach to verify the performance of the control strategies. The objective of this study was to develop a microclimate model to simulate the environment conditions when using different environmental control strategies. This model was based on temperature-humidity equilibrium and plant evapotranspiration equations. The ambient environmental conditions, parameters of control strategy, plant evapotranspiration rate were input into this model and the outputs were the calculated temperature and humidity. A desktop grow chamber was used to verify the feasibility of the microclimate model. Ten plants of hydroponically grown lettuce were grown in this chamber. The results shows that the simulation results of this model fit the real cultivation results. This model provided an easy and low cost way to screen the feasible control strategies by simulated the environment change in a plant factory.
( Luo Ming Fang ),( Xing Jian Min ),( Gou Zhong Xuan ),( Liu Hui Zhou ),( Chen Jia Yong ) 한국화학공학회 2003 Korean Journal of Chemical Engineering Vol.20 No.4
The desulfurization of dibenzothiophene (DBT), 4,6-dimethyldibenzothiophene (4,6-DMDBT) and their mixture by lyophilized cells of Pseudomonas delafieldii R-8 was studied in the presence of dodecane. The desulfurization rate for 4,6-DMDBT was found to be about 40% in comparison with that for DBT. The desulfurization process for DBT and 4,6-DMDBT proceeded simultaneously without preference for either one. The desulfurization rate for each compound was decreased when they were mixed together. The extent of desulfurization of 4,6-DMDBT was increased with the increase of cell concentration and the decrease of the volume ratio of oil-to-water used. The specific desulfurization rate for 4,6-DMDBT could be reached to 10.4 mmol sulfur kg^(-1) (cell) h^(-1) [approximately 0.33 mg sulfur g^(-1) (cell) h^(-1)]. Pseudomonas delafieldii R-8 showed high desulfurization capability for straight-run diesel oil (containing 1,807 mg/L of sulfur). About 1,000 mg/L of sulfur in diesel oil was removed by resting cells of this strai in 24 h of reaction. The specific desulfurization rate was 8.75 mmol sulfur kg^(-1) (cell) h^(-1).
Xiao-Ming Liu,Bang-Xian Zhang,Shi-Guang Li,Xiang-Jun Rao,Dong-MingWang,Xiao-Xuan Hu,Su Liu 한국응용곤충학회 2016 Journal of Asia-Pacific Entomology Vol.19 No.2
The yellow mealworm beetle, Tenebrio molitor (Coleoptera: Tenebrionidae), is a common insect pest that damages stored grain. The insect olfactory co-receptor (Orco) is a transmembrane protein localized on the surface of the dendrites of olfactory sensory neurons and plays an essential role in the olfactory perception. In this study, an Orco ortholog (named as Tmol\Orco) inT.molitorwas characterized. The deduced amino acid sequence of Tmol\Orco shared significant high identities with Orcos in other insect species from distinct Orders. Reverse transcription quantitative PCR (RT-qPCR) analysis showed that Tmol\Orco was predominantly expressed in the antennae of both male and female adults, and the difference between male antennae and female antennae was not significant. Double-stranded RNA (dsRNA) directly against the Tmol\Orco mRNA was synthesized and injected into the T. molitor male adults, RT-qPCR results demonstrated that the transcription level of Tmol\Orco was significantly reduced at 6 d after the injection. The mate-seeking behavior of Tmol\Orco-silenced beetles was significantly inhibited. Compare to the control individuals, the percentage of Tmol\Orco-silenced beetles successfully find mateswas significantly decreased and the average time they spent for searching were significantly increased. These results provided first direct evidence that suppression of Tmol\Orco transcription contributes to the decline in mate recognition of T. molitor