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Truong Giang Nguyen,Thanh Khiem Nguyen,Ham Hoi Nguyen,Hong Son Trinh,Tuan Hiep Luong,Minh Trong Nguyen,Van Duy Le,Hai Dang Do,Kieu Hung Nguyen,Van Minh Do,Quang Huy Tran,Cuong Thinh Nguyen 한국간담췌외과학회 2024 Annals of hepato-biliary-pancreatic surgery Vol.28 No.1
Backgrounds/Aims: Parenchymal-sparing anatomical hepatectomy (Ps–AH) based on portal ramification of the right anterior section (RAS) is a new technique to avoid unnecessarily transecting too much liver parenchyma, especially in cases of major anatomical hepatectomy. Methods: We prospectively assessed 26 patients with primary hepatic malignancies having undergone major Ps–AH based on portal ramification of the RAS from August 2018 to August 2022 (48 months). The perioperative indications, clinical data, intra-operative index, pathological postoperative specimens, postoperative complications, and follow-up results were retrospectively evaluated. Results: Among the 26 patients analyzed, there was just one case that had intrahepatic cholangiocarcinoma The preoperative level of α– Fetoprotein was 25.2 ng/mL. All cases (100%) had Child–Pugh A liver function preoperatively. The ventral/dorsal RAS was preserved in 19 and 7 patients, respectively. The mean surgical margin was 6.2 mm. The mean surgical time was 228.5 minutes, while the mean blood loss was 255 mL. In pathology, 5 cases (19.2%) had microvascular invasion, and in the group of HCC patients, 92% of all cases had moderate or poor tumor differentiation. Six cases (23.1%) of postoperative complications were graded over III according to the Clavien–Dindo system, including in three patients resistant ascites or intra-abdominal abscess that required intervention. Conclusions: Parenchymal-sparing anatomical hepatectomy based on portal ramification of the RAS to achieve R0-resection was safe and effective, with favorable short-term outcomes. This technique can be used widely in clinical practice.
PPL 모델의 속성이 브랜드 인지도, 인지도 태도 및 구매 의도에 미치는 영향 연구
Nguyen Duy Quang,이연숙 경성대학교 산업개발연구소 2024 산업혁신연구 Vol.40 No.2
PPL이라는 광고 형태가 생겼으며 이는 광고에 대한 고객의 심리적 저항을 해결할 수 있는 방법으로제작비를 절감하여 광고주와 언론사 에도 이익이 될 수 있으며 특히 한국 영화, 드라마, 프로그램 등은 한류의 발달로 간접광고에 활용되는 시간과 범위가 확대되었는데 그 중에서도 드라마에 광고되는 상품의 판매율이 가장 높은 것으로 나타났다. 이는 한국 소비시장뿐만 아니라 베트남에서도 효과적으로 사용되었으며 본 연구는 광고효과와 소비자의 구매의도에 영향을 미칠 수 있는 다양한 요인들 중 PPL유형과 모델의 속성이 광고효과에 어떤 영향을 미치는지 알아보고자 한다. 한국과 베트남에 거주하는 베트남인을 대상으로 설문조사를 실시하였으며 연구 결과에 따르면 모델의 속성(PPL 상품 배치)이 광고 효과, 브랜드 인지도, 구매 의도에 영향을 미치고 특히 드라마에서 주인공이 사용하는 상품의 판매율은 주인공이 누구인가에 따라 달라지는 것으로 나타났다. PPL is an advertising method that can solve customer’s psychological resistance to advertising and can reduce effectively production costs, and also can benefit advertisers and media companies. In addition, with the development of the Korean Wave such as Korean films, dramas, and programs the time and range used for indirect advertising have expanded. Among them, it was found that the sales rate of products advertised in the drama was the highest. Therefore, marketers became interested in how to effectively use PPL in dramas. It was used effectively not only in the Korean consumer market but also in Vietnam. The purpose of this study is to find out how the PPL type and the properties of the model affect to the advertising effect among various factors that can affect the advertising effect and the purchase intention of the consumer. To conduct the survey, a questionnaire was conducted for Vietnamese living in Korea and Vietnam. According to the results of the study, it was found that the properties of the model (PPL product placement) influenced the advertising effect, brand awareness, and purchase intention.
Quang Nguyen Duy,김홍주,Vuong Phan Quoc,Ton Nguyen Duc,남욱원,박원기,손종대,최영준,김성환,윤석원,예성준 한국원자력학회 2023 Nuclear Engineering and Technology Vol.55 No.3
We propose an overall procedure for measuring and unfolding fast neutron spectra using a trans-stilbene scintillation detector. Detector characterization was described, including the information on energy calibration, detector resolution, and nonproportionality response. The digital charge comparison method was used for the investigation of neutron-gamma Pulse Shape Discrimination (PSD). A pair of values of 600 ns pulse width and 24 ns delay time was found as the optimized conditions for PSD. A fitting technique was introduced to increase the trans-stilbene Proton Response Function (PRF) by 28% based on comparison of the simulated and experimental electron-equivalent distributions by the Cf-252 source. The detector response matrix was constructed by Monte-Carlo simulation and the spectrum unfolding was implemented using the iterative Bayesian method. The unfolding of simulated and measured spectra of Cf-252 and AmBe neutron sources indicates reliable, stable and no-bias results. The unfolding technique was also validated by the measured cosmic-ray induced neutron flux. Our approach is promising for fast neutron detection and spectroscopy.