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      • KCI등재

        A retrospective analysis of 20-year data of the surgical management of ulcerative colitis patients in Taiwan: a study of Taiwan Society of Inflammatory Bowel Disease

        ( Chun-chi Lin ),( Shu-chen Wei ),( Been-ren Lin ),( Wen-sy-tsai ),( Jinn-shiun Chen ),( Tzu-chi Hsu ),( Wei-chen Lin ),( Tien-yu Huang ),( Te-hsin Chao ),( Hung-hsin Lin ),( Jau-min Wong ),( Jen-kou 대한장연구학회 2016 Intestinal Research Vol.14 No.3

        Background/Aims: With the recent progress in medical treatment, surgery still plays a necessary and important role in treating ulcerative colitis (UC) patients. In this study, we analyzed the surgical results and outcomes of UC in Taiwan in the recent 20 years, via a multi-center study through the collaboration of Taiwan Society of IBD. Methods: A retrospective analysis of surgery data of UC patients from January 1, 1995, through December 31, 2014, in 6 Taiwan major medical centers was conducted. The patients’ demographic data, indications for surgery, and outcome details were recorded and analyzed. Results: The data of 87 UC patients who received surgical treatment were recorded. The median post-operative follow-up duration was 51.1 months and ranged from 0.4 to 300 months. The mean age at UC diagnosis was 45.3±16.0 years and that at operation was 48.5±15.2 years. The 3 leading indications for surgical intervention were uncontrolled bleeding (16.1%), perforation (13.8%), and intractability (12.6%). In total, 27.6% of surgeries were performed in an emergency setting. Total or subtotal colectomy with rectal preservation (41.4%) was the most common operation. There were 6 mortalities, all due to sepsis. Emergency operation and low pre-operative albumin level were significantly associated with poor survival (P =0.013 and 0.034, respectively). Conclusions: In the past 20 years, there was no significant change in the indications for surgery in UC patients. Emergency surgeries and low pre-operative albumin level were associated with poor survival. Therefore, an optimal timing of elective surgery for people with poorly controlled UC is paramount.

      • SCOPUSKCI등재

        A Review of Electrically Tunable Focusing Liquid Crystal Lenses

        Lin, Hung-Chun,Chen, Ming-Syuan,Lin, Yi-Hsin The Korean Institute of Electrical and Electronic 2011 Transactions on Electrical and Electronic Material Vol.12 No.6

        Electrically tunable focusing liquid crystal (LC) lenses are reviewed in this paper. The distribution of the orientations of LC directors which is controlled by electric fields results in a distribution of refractive indices of LC directors. The incident light can be modulated by the electrically tunable lens-like phase difference of the LC lens. We introduce the basic operating principles of LC lenses and discuss the structures of LC lenses. The major challenges of LC lenses are also discussed. We believe this paper provides a guideline for basic understanding of LC lenses.

      • SCIEKCI등재

        Epidemiology and risk factors associated with avascular necrosis in patients with autoimmune diseases: a nationwide study

        ( Hsin-lin Tsai ),( Jei-wen Chang ),( Jen-her Lu ),( Chin-su Liu ) 대한내과학회 2022 The Korean Journal of Internal Medicine Vol.37 No.4

        Background/Aims: Avascular necrosis (AVN) is a clinical condition characterized by the death of bone components due to interruption in the blood supply. This study aimed to investigate the epidemiology and determine the risk factors for AVN in patients with autoimmune diseases. Methods: We conducted a population-based retrospective cohort analysis using claims data from the Taiwan National Health Insurance Research Database. A total of 49,636 patients with autoimmune diseases between January 1, 2005 and December 31, 2013 were included. Cox regression analysis was used to identify associated risk factors for the development of AVN. Results: A total of 490/49,636 patients (1.0%) developed symptomatic AVN. The systemic lupus erythematosus patients had a higher risk of AVN compared to other autoimmune diseases. AVN was positively correlated with male sex (p < 0.001), alcoholism (p < 0.001), mean daily prednisolone dosage 7.51 to 30 mg (p < 0.001) and > 30 mg (p < 0.001), and total cumulative prednisolone dose 0 g to 5 g (p = 0.002). However, AVN was inversely correlated with cumulative duration of hydroxychloroquine exposure > 0.6 years (p < 0.001). Conclusions: Male sex, systemic lupus erythematosus, alcoholism, mean daily corticosteroid > 7.5 mg and a total cumulative dose of corticosteroid 0 to 5 g were independently associated with the development of AVN in autoimmune patients. While hydroxychloroquine use > 0.6 years conferred significant protection against the development of AVN. Clinicians should regularly assess patients with risk factors to enable the early diagnosis of AVN.

      • Research on the WIP-based Dispatching Rules for Photolithography Area in Wafer Fabrication Industries

        Lin, Yu-Hsin,Tsai, Chih-Hung,Lee, Ching-En,Chiu, Chung-Ching The Korean Society for Quality Management 2007 The Asian Journal on Quality Vol.8 No.2

        Constructing an effective production control policy is the most important issue in wafer fabrication factories. Most of researches focus on the input regulations of wafer fabrication. Although many of these policies have been proven to be effective for wafer fabrication manufacturing, in practical, there is a need to help operators decide which lots should be pulled in the right time and to develop a systematic way to alleviate the long queues at the bottleneck workstation. The purpose of this study is to construct a photolithography workstation dispatching rule (PADR). This dispatching rule considers several characteristics of wafer fabrication and influential factors. Then utilize the weights and threshold values to design a hierarchical priority rule. A simulation model is also constructed to demonstrate the effect of the PADR dispatching rule. The PADR performs better in throughput, yield rate, and mean cycle time than FIFO (First-In-First-Out) and SPT (Shortest Process Time).

      • SCOPUSKCI등재

        A novel illumination system design for application in the integrated screen 3D display

        Lin, Chu-Hsun,Lin, Chun-Chuan,Lo, Hsin-Hsiang,Chung, Shuang-Chao,Chen, Tian-Yuan,Wang, Chy-Lin The Korean Infomation Display Society 2010 Journal of information display Vol.11 No.1

        A mini-projector prototype employing a LED light source, a nontelecentric structure, and an LCOS panel for application in the integrated 3D display was fabricated. A seamless image was obtained by tilting an array of mini-projectors. Seamless quality was created by the excellent uniformity of the projection intensity on the mini-projector's screen, which was simulated as 98.34%. Great uniformity can be realized by optimizing the design of the light source and the optics configuration, which is the key to such realization.

      • 德籍漢語學習者繁體字轉換成簡體字過 渡時期之漢字偏誤

        Lin Yi-Hsin 단국대학교 한문교육연구소 2019 International Han-character Education Research Vol.1 No.1

        독일 괴팅겐 대학교 동아시아 연구소 한학과 학생들은 첫 해에 번체자를 배우고, 다음 학년 학기에는 번체자를 계속 쓰거나 간체자로 전환하는 것 둘 중 하나를 선택할 수 있도록 규정하고 있다. 간체자를 선택한 학생은 이 때 쓰기에서 번체를 간체자로 전환하는 것을 학습하였는데, 이 때 이들만의 독특한 한자 오류가 나타남을 확인할 수 있다. 예를 들어, 전에 배운 번체자의 영향을 받아 여행을 뜻하는 간체자 旅游를 번체자인 旅遊로 쓰거나, 亲眼을 親見眼 으로 쓰는 것과 같은 예이다. 필자는 이 전환 시기에 출현한 한자 쓰기 오류가 외국 국적의 학습자가 범하는 오류와 상이함을 발견하였고, 이것이 필자의 연구 동기가 되었다. 본 연구는 중국어를 학습한 독일 국적 학습자들이 번체자에서 간체자로 한자 사용이 전환되는 시기에 발생하는 다양한 한자 오류 현상을 위주로 연구를 진행하였다. 대상은 독일 괴팅겐대학교 동아시아 연구소의 한학과 학생이었으며, 연구 자료는 대상 학습자가 매주 한 편씩 지은 글 총 42편을 대상으로 하였다. 본 연구의 문제의식은 두 가지이다. 하나는 '이러한 과도기에 생긴 한자 오류 현상은 무엇?'이며, '먼저 번체자 학습을 완료한 학습자가 다시 간체자를 학습할 경우, 건의할 학습 방법이 어떤 것이 있는가?'이다. 연구 절차는 대상 학생이 간체자를 이용하여 한 달 내에 쓴 글을 수집하고 쓰기에서 나타난 한자 오류들을 분석하여 귀납하는 방법을 사용하였으며, 마지막으로 이를 토대로 교학 건의를 도출하였다. 연구 결과는 다음과 같다. 한자 오류 유형은 필기오류, 부건 오류, 同音字와 音近字의 잘못된 대체 오류, 번체자의 잘못된 대체 오류, 그 외 다양한 종류의 기타 오류들이다. The Department of East Asian Studies at the University of Göttingen in Germany stipulate s that students learn traditional Chinese characters in their first year. In the spring semester of the second year, students may choose to continue writing traditional Chinese characters or convert traditional Chinese characters into simplified Chinese characters. Students who chose simplified characters have experienced the transition period from traditional Chinese characters to simplified Chinese characters, and also had unique errors of Chinese characters. For example, due to the influence of traditional Chinese characters, the "旅游" of simplified characters was written as "旅遊"; based on traditional Chinese characters that have been learned before students have created their own simplified Chinese characters, for example, "亲眼" was written as "亲见眼". We found that the errors of Chinese characters produced during this transition period are sort of different from the Chinese learners who haven’t been through this period, and that is also the research motivation. Therefore, this study mainly illustrates the errors of Chinese characters produced by German Chinese learners who converted traditional Chinese characters into simplified Chinese characters. Below are the research questions: in this transition period, what is the phenomenon of Chinese character s errors? What are the teaching suggestions for learners who first have learned traditional Chinese characters and then learn simplified Chinese characters? The data of this research are the students' compositions, a total of 42 articles. The research steps are to collect the articles written by the students who have undergone the transition period within one month, and then analyze the errors of the Chinese characters appearing in the article, and finally propose the teaching and learning suggestions. The research results show that the types of Chinese character errors include stroke errors, component errors, homonyms/sounds replac ement, traditional characters replacement, multiple errors, and others. We hope through this research, the errors of Chinese characters in this transition period will be reduced.

      • KCI등재

        Construction of the Operating Limits Diagram for a Ship-Based Helicopter Using the Design of Experiments with Computational Intelligence Techniques

        Lin Hsin-Hung,Wu Sheng-Ju,Liu Tsung-Lung,Pan Kuan-Cheng 한국항공우주학회 2021 International Journal of Aeronautical and Space Sc Vol.22 No.1

        Compared with land-based helicopters, ship-based helicopters are required to land in a more challenging working environment as the airwakes generated by the wind field flowing through the superstructure of the ship changes the wind field structure. This complicates the wind field structure and affects the safety of flight control. The flight safety of the helicopter pilot can be significantly improved with prior understanding of the relevant information in the ship-based helicopter operating limits (SHOL) diagram. In previous studies, the SHOL diagram of ship-based helicopters has been obtained using numerical simulations in conjunction with a flight simulator. However, the flight simulator equipment is expensive and difficult to maintain. This study references the aforementioned studies by initially employing a numerical simulation method to obtain the flow field information of the interaction between the airwakes of the ship’s superstructure and the downwash flow of the helicopter. Then, the flight simulator is replaced by computational intelligence methods involving artificial intelligence. This significantly reduces the research cost for envelope construction. This study integrates design of experiments (DOE) and computational intelligence techniques (soft computing) to establish a recommended range for the SHOL diagram of ship-based helicopters. This study utilizes the DOE and computational intelligence techniques to construct the SHOL diagram of ship-based helicopters, provide suggestions, and serve as a reference for helicopter pilots and engineering designers to improve the safety during flight.

      • KCI등재후보

        Waterlogging influences the physiology index and antioxidant enzyme activity in Cucurbita maxima and Cucurbita moschata

        Lin Kuan-Hung,Chen Shi-Peng,Su Yi-Ru,Tsai Yi-Heng,Lin Hsin-Hung 한국원예학회 2024 Horticulture, Environment, and Biotechnology Vol.65 No.1

        Waterlogging is one of the major environmental challenges that can adversely impact squash growth, development, and productivity. Nevertheless, studies on the physiological changes of squash to waterlogging stress are scarce. Previously, we reported that the Cucurbita moschata (Cmo) Early Price (Ep) cultivar showed higher chlorophyll content (CC) and spectral refl ectance compared to the Cucurbita maxima (Cma) OK-101 (Ok) cultivar after waterlogging. In the present work, we further examined more physiological parameters in eight cultivars of Cmo and Cma, and studied whether these non-destruc tive indices could effi ciently identify various waterlogging-tolerant genotypes and were consistent with visual evaluations. Moreover, we investigated the eff ects of waterlogging on the antioxidant system of cucurbit species, and evaluated dynamic changes occurring in these plants during varying waterlog periods by determining physiological characteristics. The activ ity of ascorbate peroxidase (APX) and superoxide dismutase (SOD) showed a signifi cant increase in Ep plant leaves and roots after 72 h and 6 h of waterlogging, respectively, compared to Ok plants. In addition, Ep exhibited a higher tolerance to waterlogging than Ok in terms of enhanced root length, values in CC, spectral refl ectance, and APX and SOD activity, plus decreased levels of electrolyte leakage, 2,2-diphenyl-1-picrylhydrazyl free radical scavenging, and hydrogen peroxide levels. This study provides a comprehensive understanding of the physiological variations in response to waterlogging stress and can potentially be used to breed cucurbit species with waterlogging tolerance for a wetter future climate.

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