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Yosua Giovanni WIDJAJA(Yosua Giovanni WIDJAJA ),Idris Gautama SO(Idris Gautama SO ),Rini SETIOWATI(Rini SETIOWATI ),Asnan FURINTO(Asnan FURINTO ) 한국유통과학회 2022 유통과학연구 Vol.20 No.12
Purpose: The purpose of this study was to determine the effect of utilitarian value, hedonic value, channel integration quality on Omni- Channel Shopping Intention and shopper satisfaction in the e-commerce industry in Indonesia. Research design, data and methodology: This research method uses quantitative research methods with purposive sampling technique. The hypothesis was tested using SEM-PLS. Results: Based on the results of the analysis and discussion, it can be concluded that there is an influence between the Utilitarian value on the Omni-channel shopping intention, there is no effect between the hedonic value on the Omni-channel shopping intention, there is no influence between the quality of Channel integration on the Omni-channel shopping intention, there is an influence between the quality of Channel integration and the Omni-channel shopping intention between utilitarian values on shopper satisfaction, there is no effect between hedonic values on shopper satisfaction, there is an influence between channel integration quality on shopper satisfaction, and there is an influence between Omni-channel shopping intentions on shopper satisfaction. Conclusions: The findings of this study prove that Omni-Channel Shopping Intention is one of the most effective management and marketing techniques to enhance an important aspect of their company, namely an efficient and holistic consumer shopping experience.
The Mixmaster Model as a Cosmological Framework and Aspects of its Quantum Dynamics
Giovanni Imponente,Giovanni Montani 한국물리학회 2003 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.42 No.III
This paper provides a review of some recent issues on the Mixmaster dynamics concerning the features of its stochasticity. After a description of the geometrical structure characterizing the homogeneous cosmological models in the Bianchi classification and the Belinsky-Khalatnikov-Lifshitz piecewise representation of the types VIII and IX oscillatory regime, we face the question regarding the time covariance of the resulting chaos as viewed in terms of continuous Misner-Chitr\'e like variables. Finally, we show how in the statistical mechanics framework the Mixmaster chaos raises as semiclassical limit of the quantum dynamics in the Planckian era.
Use of the ultrasound-based total malignancy score in the management of thyroid nodules
Giovanni Guido Pompili,Silvia Tresoldi,Anna Ravell,Alessandra Primolevo,Giovanni Di Leo,Gianpaolo Carrafiello 대한초음파의학회 2018 ULTRASONOGRAPHY Vol.37 No.4
Purpose: The purpose of this study was to validate the role of the total malignancy score (TMS)in identifying thyroid nodules suspicious for malignancy through the sum of their ultrasoundfeatures. Methods: The local ethical committee approved this prospective observational study. Weexamined 231 nodules in 231 consecutive patients (164 females and 67 males; age range, 20 to87 years; median age, 59 years; interquartile range, 48 to 70 years) who underwent ultrasoundfollowed by fine-needle aspiration cytology (FNAC). The nodules were further classified usingthe TMS, which considers ultrasound features (number, echogenicity, structure, halo, margins,Doppler signal, calcifications, and growth), and the Bethesda System for Reporting ThyroidCytopathology (TBSRTC), which considers cytological features. Patients with non-negativenodules (TBSRTC categories III to VI) underwent histological analysis, repeated FNAC, or 2years of regular ultrasound follow-up. The associations between the final diagnosis, each of theultrasound features, and the TMS were estimated using the chi-square test, the Mann-WhitneyU test, and multivariate logistic regression. A receiver operating characteristic (ROC) curve wasused to evaluate the diagnostic accuracy of the TMS. Results: On ultrasound, 47% of the nodules (108 of 231) had a TMS <3, 18% (42 of 231) hada TMS of 3, and 35% (81 of 231) had a TMS >3. The FNAC results of 85% of the nodules (196of 231) were benign, while 15% (35 of 231) had non-negative results. Hypoechogenicity, solidstructure, the presence of microcalcifications, and the number of nodules were independentpredictors of the final diagnosis, and the diagnostic accuracy of the TMS was good (area underthe ROC curve, 0.82). Conclusion: The TMS system is simple to use, reliable, easily reproducible, and closely reflectsmalignancy risk. Based on our results, FNAC could be limited to nodules with a TMS ≥3 withoutmissing any cases of carcinoma.
The Immune System in Irritable Bowel Syndrome
( Giovanni Barbara ),( Cesare Cremon ),( Giovanni Carini ),( Lara Bellacosa ),( Lisa Zecchi ),( Roberto De Giorgio ),( Roberto Corinaldesi ),( Vincenzo Stanghellini ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2011 Journal of Neurogastroenterology and Motility (JNM Vol.17 No.4
The potential relevance of systemic and gastrointestinal immune activation in the pathophysiology and symptom generation in the irritable bowel syndrome (IBS) is supported by a number of observations. Infectious gastroenteritis is the strongest risk factor for the development of IBS and increased rates of IBS-like symptoms have been detected in patients with inflammatory bowel disease in remission or in celiac disease patients on a gluten free diet. The number of T cells and mast cells in the small and large intestine of patients with IBS is increased in a large proportion of patients with IBS over healthy controls. Mediators released by immune cells and likely from other non-immune competent cells impact on the function of enteric and sensory afferent nerves as well as on epithelial tight junctions controlling mucosal barrier of recipient animals, isolated human gut tissues or cell culture systems. Antibodies against microbiota antigens (bacterial flagellin), and increased levels of cytokines have been detected systemically in the peripheral blood advocating the existence of abnormal host-microbial interactions and systemic immune responses. Nonetheless, there is wide overlap of data obtained in healthy controls; in addition, the subsets of patients showing immune activation have yet to be clearly identified. Gender, age, geographic differences, genetic predisposition, diet and differences in the intestinal microbiota likely play a role and further research has to be done to clarify their relevance as potential mechanisms in the described immune system dysregulation. Immune activation has stimulated interest for the potential identification of biomarkers useful for clinical and research purposes and the development of novel therapeutic approaches. (J Neurogastroenterol Motil 2011;17:349-359)
Monitoring the activities of Italian colposcopy clinics before and during the COVID-19 pandemic
Giovanni Delli Carpini,Paolo Giorgi Rossi,Luca Giannella,Jacopo Di Giuseppe,Nicolò Clemente,Francesco Sopracordevole,Maggiorino Barbero,Giorgio Bogani,Rosa De Vincenzo,Massimo Origoni,Francesco Cantat 대한부인종양학회 2023 Journal of Gynecologic Oncology Vol.34 No.1
Objective: To evaluate the impact of healthcare reorganization during the severe acute respiratory syndrome coronavirus 2 pandemic on Italian colposcopy clinic activities, focusing on cervical excision procedures, follow-ups for conservative management of low-grade lesions, and follow-ups post cervical excision. Methods: Retrospective study conducted in 14 Italian colposcopy clinics. The number and clinical characteristics of cervical excisions, follow-ups for conservative management of low-grade lesions, and follow-ups after cervical excision were compared between the period March 1, 2019 to February 29, 2020 (pre-pandemic) and March 1, 2020 to February 28, 2021 (pandemic) with a Poisson regression analysis. Results: In the pandemic period, the number of cervical excisions was reduced by 8.8% (95% confidence interval [CI]=−15.6% to −2%; p=0.011). Excisions were less frequently performed in the operating room (−35.1%; 95% CI=−47.6% to −22.6%; p<0.001), the number of patients from spontaneous screening was reduced by −14.0% (95% CI=−23.4% to −4.6%; p=0.003), and the CO2-laser technique was used less frequently (−30%; 95% CI=−45.1% to −15.0%; p<0.001). As compared to the pre-pandemic period, the number of follow-ups for conservative management of low-grade lesions was reduced by −26.7% (95% CI=−39.0% to −14.4%; p<0.001), and the follow-up appointments after cervical excision were reduced by −51.0% (95% CI=−58.1% to −43.9%; p<0.001). Conclusion: The most significant impact of the healthcare reorganization during the coronavirus disease 2019 pandemic was on follow-ups after cervical excision. The resumption of disrupted activities should follow a risk-based prioritization, starting from women in follow-up after cervical excision. It is advisable that the trend of performing cervical excision as an outpatient procedure is maintained in the post-pandemic period.
Software Vulnerability Design and Approaches for Securing SCADA Control Systems
Giovanni A. Cagalaban,Jae-gu Song,Sungmo Jung,Seok soo Kim 보안공학연구지원센터 2009 International Journal of Smart Home Vol.3 No.1
Despite growing awareness of security issues especially in SCADA networks, there exist little or scarce information about SCADA vulnerabilities and attacks. Where security has been a consideration, there has been no clear methodology to assess the security impacts brought about by attacks. Worst, there have been no or very little security tools that have been released publicly. This research aims to addresses the issues regarding security and vulnerability testing. Software program was created to simulate the vulnerability testing and carry out assessment methodologies to test existing SCADA software design and implementation. This paper also describes the application of a well know security testing approach known as the software implemented fault injection as well as building the model for security vulnerabilities identification and analysis. Impact analysis was also performed to provide a better understanding of the attacks. Sufficient security measures are needed to block all possible intrusion points into the SCADA system to significantly reduce the chances of a successful attack.
Giovanni Domenico Tebala,Amanda Shabana,Mahul Patel,Benjamin Samra,Alan Chetwynd,Mickaela Nixon,Siddhee Pradhan,Bara’a Elhag,Gabriel Mok,Alexandra Mighiu,Diandra Antunes,Zoe Slack,Roberto Cirocchi,Gil 한국간담췌외과학회 2024 Annals of hepato-biliary-pancreatic surgery Vol.28 No.2
Backgrounds/Aims: The standard treatment for acute cholecystitis, biliary pancreatitis and intractable biliary colics (“hot gallbladder”) is emergency laparoscopic cholecystectomy (LC). This paper aims to identify the prognostic factors and create statistical models to predict the outcomes of emergency LC for “hot gallbladder.” Methods: A prospective observational cohort study was conducted on 466 patients having an emergency LC in 17 months. Primary endpoint was “suboptimal treatment,” defined as the use of escape strategies due to the impossibility to complete the LC. Secondary endpoints were postoperative morbidity and length of postoperative stay. Results: About 10% of patients had a “suboptimal treatment” predicted by age and low albumin. Postop morbidity was 17.2%, predicted by age, admission day, and male sex. Postoperative length of stay was correlated to age, low albumin, and delayed surgery. Conclusions: Several predictive prognostic factors were found to be related to poor emergency LC outcomes. These can be useful in the decision-making process and to inform patients of risks and benefits of an emergency vs. delayed LC for hot gallbladder.