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Development of Scale of Critical Factors for China's Tourism Industry in E-commerce Environment
Yingmei We,Runsheng Fang,Yuqiang Feng 보안공학연구지원센터 2014 International Journal of u- and e- Service, Scienc Vol.7 No.6
Considering the tourism industry technologies in e-commerce environment and other basic conditions are perfect, but the profit is still very little. In this study, a draft questionnaire scale is designed based on critical success factors (CSF) combined with some theories and the opinions of 23 senior managers in tourism enterprise who constructed the judgment matrix introducing innovative and legalization modules. The approaches, analytic hierarchy process (AHP), group eigenvalue method (GEM) and corrected item-total correlation (CITC), are respectively used to test. After removing those bad items on the basis of comprehensive output results while comparing three test approaches, the scale is modified to finalize the formal survey questionnaire to complete the preliminary work of research on tourist industry innovation and services spiral development in e-commerce environment. The research shows that there is a big gap between the primary concern of Chinese enterprises and the sustainable tourism economy in the world.
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Shi-Ting Feng,Mengqi Huang,Zhi Dong,Ling Xu,Yin Li,Yingmei Jia,Huasong Cai,Bingqi Shen,Zi-Ping Li 대한영상의학회 2019 Korean Journal of Radiology Vol.20 No.3
Objective: To explore whether MRI fusion technology (combined T2-weighted imaging [T2WI] and fat-suppressed T2WI [T2WI-FS]) improves signal differences between anal fistulas and surrounding structures. Materials and Methods: A total of 32 patients with confirmed diagnoses of anal fistula were retrospectively studied. All available T2WI and T2WI-FS images for each patient were used to generate fusion image (T2WI-Fusion) based on the addition of gray values obtained from each pixel via an MR post-processing work station. The discriminability of fistula, perianal sphincter, and perianal fat in T2WI, T2WI-FS, and T2WI-Fusion images was quantified with Fisher’s scoring algorithm. For subjective visual image assessment by researchers, five-point scale scores were determined using a modified double-stimulus continuous qualityscale test to evaluate T2WI-FS, T2WI, enhanced axial three-dimensional-volumetric interpolated breath-hold examination (3D-VIBE), and T2WI-Fusion sequence images. The differences were subsequently compared. Results: Mean Fisher scores for fistulas vs. sphincters obtained from T2WI-Fusion (FFusion-fistula = 6.56) were significantly higher than those from T2WI (FT2WI-fistula = 3.35) (p = 0.001). Mean Fisher scores for sphincters vs. fat from T2WI-Fusion (FFusion-sphincter = 10.84) were significantly higher than those from T2WI-FS (FSFS-sphincter = 2.57) (p = 0.001). In human assessment, T2WI-Fusion showed the same fistula discriminability as T2WI-FS, and better sphincter discriminability than T2WI. Overall, T2WI-Fusion showed better discriminability than T2WI, T2WI-FS, and enhanced 3D-VIBE images. Conclusion: T2WI and T2WI-FS fusion technology improves signal differences between anal fistulas and surrounding structures, and may facilitate better evaluation of anal fistulas and sphincters.
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Pengfei Liao,Jinqiu Huang,Puguo Tong,Wang Nie,Xin Yan,Yingmei Feng,Hui Peng,Xiaojue Peng,Shao-Bo Li 한국유전학회 2017 Genes & Genomics Vol.39 No.5
Genes encoding inositolphosphorylceramide synthase (IPCS), which play essential roles in sphingolipid biosynthesis, have been known to be widely distributed in plants. However, reports on identification, expression, and function analysis of plant IPCS family genes are very limited. In this study, a total of three OsIPCS genes were identified in the rice database, and their full-length coding regions were amplified by RT-PCR. These genes had 12–13 exons, and they encoded proteins of 313–326 amino acids with molecular mass of 35.8–37.6 kDa and isoelectric point of 10.99–12.61. Importantly, two typical and conserved motifs (D3 and D4) in plants were found in all the three putative OsIPCS proteins, indicating high similarity of OsIPCSs to the other plant IPCS proteins, which were confirmed by phylogenetic analysis. The transcripts of OsIPCS genes appeared in different rice organs including seedling roots, stems and leaves, and young panicles, but each gene showed a unique organ-specific expression pattern. Meanwhile, we found that all the three OsIPCS genes showed responses to stresses like drought, cold and salt, but their expression patterns were also to some extent different under stress treatments. Especially, under cold stress, OsIPCS1 and OsIPCS2 were significantly up-regulated in roots and stems but down-regulated in leaves, while OsIPCS3 was significantly up-regulated in all the measured organs. Actually, putative abiotic-stress regulatory elements were identified in the promoters of these genes. Our data suggest that OsIPCS genes should play important roles during rice growth and adversity adaptation.
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