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Endometriosis coexisting with dermoid cyst in a single ovary： a case report

Chinese Medical Journal 2011年第4期124卷 627-630页

作者： CHEN Tsai-chuan KUO Hsu-tung SHYU Shin-kuo CHU Chih-ping chang tien-chang Department of Obstetrics and Gynecology Lin-Shin Medical Corporation Lin-Shin Hospital Department of Family Medicine Lin-Shin Medical Corporation Lin-Shin Hospital Graduate Institute of Biomedical Engineering National Chung Hsing UniversityTaichung 408 TaiwanChina Department of Anatomical Pathology Lin-Shin Medical Corporation Lin-Shin Hospital chang tien-chang General Clinic Taichung 408 TaiwanChina

Endometriosis coexisting with a dermoid cyst of the ovary is extraordinarily rare, although these both benign conditions are said to be common in women in the reproductive age group. There are only two previous case reports, which is evident from our literature review from January 1960 through January 2010. Acute abdomen is one of the greatest diagnostic challenges and easily ignored by the clinicians to exclude the possibility of gynecologic illness. A 35-year-old woman was referred by the doctor in Family clinic. She experienced a three-day period of severe right lower abdominal pain and intermittent vomiting. Ultrasonography identified a bilocular, cystic, hypoechoic, and hyperechoic tumor, 7 cm×6 cm×6 cm in the right adnexal region. Laparoscopic cystectomy was performed under the impression of ovarian cyst with torsion or hemorrhage. The frozen section was benign and appendiceal status was adequate. Histopathologic examination described an ovarian cyst composed of endometrial-type lining with stroma cells （endometriosis） and benign terotoma tissue with plenty of skin appendages and sebaceous glands. We report this unusual and interesting ovarian mass to remind physicians that the usage of the Endobag after cystectomy, the benefits on minimizing operative time, spilled opportunity, and postoperative complications. Laparoscopic techniques for large ovarian masses might be considered. The experience of the surgeon is also very important to prevent misdiagnosis or complication. Further follow up is mandatory for this simultaneous finding of ovarian endometriosis with coincidental dermoid cyst as a separate pathology in single ovary of such a nature. It also presents a challenge to the clinicians and to the pathologists.

关键词： endometriosis dermoid cyst cystectomy endobag

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Characteristics and prognosis of small bowel tumors:A retrospective study

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World Journal of Clinical Cases 2024年第34期12卷 6696-6704页

作者： Fang-Chen Liu Ching-Hsiang Wang Peng-Jen Chen Yu-Lueng Shih Hsuan-Hwai Lin Jung-Chun Lin Wei-Kuo chang Tsai-Yuan Hsieh Gen-Min Lin tien-Yu Huang Division of Gastroenterology Department of Internal MedicineTri-Service General HospitalNational Defense Medical CenterTaipei 11490Taiwan Department of Internal Medicine Taoyuan Armed Forces General HospitalTaoyuan 325208Taiwan Department of Medicine Tri-Service General Hospital and National Defense Medical CenterTaipei 114Taiwan Department of Medicine Hualien Armed Forces General HospitalHualien 970Taiwan Taiwan Association for the Study of Small Intestinal Diseases Taoyuan 33305Taiwan

BACKGROUND Small bowel tumors(SBTs)are a heterogeneous group of difficult-to-diagnose tumors that account for 2%-5%of all gastrointestinal ***-balloon enteroscopy greatly enhances the diagnosis and treatment of ***,few epidemiological studies have been conducted in Taiwan to determine the clinical profile of *** To investigate the clinical characteristics,managements and prognosis of SBTs in a medical center in *** The study enrolled 51 patients aged 58.9±8.8 years(range,22-93)diagnosed with SBTs from November 2009 to July *** retrospectively recorded clinical characteristics,indications,endoscopic findings,pathological results,management,and outcomes for further *** A male preponderance was observed(56.8%).The most common indications were suspected small intestinal tumors(52.9%)and obscure gastrointestinal bleeding(39.2%).The most common tumor location was the ileum(41.2%).The performance of imaging studies(P=0.004)and the types of findings(P=0.005)differed significantly between malignant and benign *** most frequent imaging finding was a small intestinal mass(43.1%).The top three malignant tumor types were gastrointestinal stromal tumors(GISTs),adenocarcinomas,and ***,the proportions of benign and malignant tumors were 27.5%and 72.5%,*** survival rates of patients with malignant tumors in the GIST and non-GIST groups differed significantly(P=0.015).Kaplan–Meier survival analysis showed a significant difference in survival between patients in the malignant and benign groups(P=0.04).All patients with lymphoma underwent chemotherapy(n=7/8,87.5%),whereas most patients with GISTs underwent surgery(n=13/14,92.8%).CONCLUSION Patients with GISTs have a significantly higher survival rate than those with other malignant ***,a large-scale nationwide study is warranted to evaluate the population-based epidemiology of SBTs.

关键词： Gastrointestinal bleeding Intestinal neoplasms Single-balloon enteroscopy,survival rate

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Structure dependent elastic properties of supergraphene

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Acta Mechanica Sinica 2016年第4期32卷 684-689页

作者： Juan Hou Zhengnan Yin Yingyan Zhang tien-Chong chang Shanghai Institute of Applied Mathematics and Mechanics Shanghai Key Laboratory of Mechanics in Energy Engineering Shanghai University School of Computing Engineering and MathematicsWestern Sydney University State Key Laboratory of Ocean Engineering School of Naval Architecture Ocean and Civil Engineering Shanghai Jiao Tong University

Complete replacement of aromatic carbon bonds in graphene by carbyne chains gives rise to supergraphene whose mechanical properties are expected to depend on its structure. However, this dependence is to date unclear. In this paper, explicit expressions for the in-plane stiffness and Poisson＇s ratio of supergraphene are obtained using a molecular mechanics model. The theoretical results show that the in-plane stiffness of supergraphene is drastically（at least one order） smaller than that of graphene, whereas its Poisson＇s ratio is higher than 0.5. As the index number increases（i.e., the length of carbyne chains increases and the bond density decreases）, the in-plane stiffness of supergraphene decreases while the Poisson＇s ratio increases. By analyzing the relation among the layer modulus, in-plane stiffness and Poisson＇s ratio, it is revealed that the mechanism of the faster decrease in the in-plane stiffness than the bond density is due to the increase of Poisson＇s ratio. These findings are useful for future applications of supergraphene in nanomechanical systems.

关键词： Poisson stiffness chains aromatic modulus faster bonds nanotubes zigzag replacement

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Regenerable adsorbent for removing ammonia evolved from anaerobic reaction of animal urine

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Journal of Environmental Sciences 2006年第6期18卷 1176-1181页

作者： CHOU Liang-hsing TSAI Ru-in chang Jen-ray LEE Maw-tien Department of Civil and Water Resource Engineering "National" Chiayi UniversityChia-YiTaiwanChina Department of Chemical Engineering "National" Chung Cheng UniversityChia-YiTaiwanChina Department of Applied Chemistry "National" Chiayi UniversityChia-YiTaiwanChina.

The waste gas evolved from biodegradation of animal urine contains ammonia causing environmental concerns. A new and effective method for removing ammonia from such waste gas using reactive adsorption is presented. In the process, activated carbon impregnated with H2SO4（H2SO4/C） is employed. Ammonia in the waste gas reacts with H2SO4 on the adsorbent instantaneously and completely to form （NIL）2SO4. The H2SO4/C adsorbent is high in NH3 adsorption capacity and regenerable. The NH3 removal capacity of this regenerable adsorbent is more than 30 times that of the adsorbents used normally in the industry. The spent H2SO4/C is regenerated by flowing low-pressure steam through the adsorbent bed to remove the （NH4）2SO4 from the adsorbent. The regeneration by-product is concentrated （NH4）2SO4 solution, which is a perfect liquid fertilizer for local use. Re-soaking the activated carbon with H2SO4 solution rejuvenates the activity of the adsorbent. Thus the H2SOJC can be reused repeatedly. In the mechanism of this reactive adsorption process, trace of H20 in the waste gas is a required, which lends itself to treating ammonia gas saturated with moisture from biodegradation of animal urine.

关键词： ammonia removal regenerable adsorbent reactive adsorption biodegradation of animal urine activated carbon

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Surface plasmon polariton nanolasers:Coherent light sources for new applications

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Chinese Physics B 2018年第11期27卷 136-146页

作者： Yu-Hsun Chou Chia-Jui chang Tzy-Rong Lin tien-chang Lu Physics Department University of Michigan450 Church StreetAnn ArborM1481092-122USA Department of Photonics "National"Chiao Tung UniversityHsinchu 300TaiwanChina Department of Mechanical and Mechatronic Engineering "National"Taiwan Ocean UniversityKeelung 20224TaiwanChina Center of Excellence for Ocean Engineering "National"Taiwan Ocean UniversityKeelung 20224TaiwanChina

The invention of the Internet and mobile devices has caused tremendous changes in human lives over the past two *** technology has broken through limitations of geospatial space,enabling extremely high-speed data transmission and new types of data *** recent years,demands for data processing have shown an increasing ***,data generated from internet-related applications such as cloud services and self-driving technology are likely to grow exponentially over the coming ***,data transmission inside integrated circuits mainly relies on metal ***,the substantial resistive–capacitive delay and energy loss that are caused by metal wires limit data transmission *** interconnection has been regarded as a major solution to efficiently reduce energy consumption and increase data transmission *** size of conventional semiconductor laser devices,which are the key component in optical interconnection,cannot be smaller than the wavelength of light,which is a fundamental physical obstacle to lasers integrating with current electronic integrated circuits in reasonable *** realize optical interconnection,the volume of the laser device must match the existing electronic ***,the use of diffraction-unlimited plasmonic lasers has been successfully demonstrated,and these have great potential in different *** this paper,we discuss the recent progress toward surface plasmon polariton lasers and provide practical insights into the challenges in realizing these novel devices.

关键词： ZnO surface plasmon polariton silver laser

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KEY FACTORS FOR EFFICIENTLY IMPLEMENTING CUSTOMIZED E-LEARNING SYSTEM IN THE SERVICE INDUSTRY

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Journal of Systems Science and Systems Engineering 2011年第3期20卷 346-364页

作者： Ta-Sheng LO tien-Hsiang chang Lon-Fon SHIEH Ya-Chuan CHUNG Department of Information Management National Taiwan University of Science and Technology Department of Information Management National Kaohsiung University of Applied Sciences Department of Business Management National United UniversityIndustrial Development BureauMinistry of Economic Affairs Advanced Semiconductor Engineering Inc.

In recent years, e-learning system has been adopted as a training tool in many firms, as it can help employees to complete training in a short time and at a low cost. Within this context, since 2003 the Industrial Development Bureau （IDB） of the Ministry of Economic Affairs （MOEA） in Taiwan sponsored more than 50 enterprises each year to help them implement customized e-learning systems. Past research on e-learning mostly focused on one criterion and adopted regression approach, such as examining the relationships between satisfaction or continued usage intentions and various antecedent factors. Although the regression method could uncover the significant factors of e-learning adoption, they can not show the can （weighting） of each factor, and thus firms cannot allocate the optimal levels of resources. To overcome this problem, this study collected factors related to finns implementing customized e-learning systems from a review of the literature and expert opinions, and then constructed a hierarchical factor table. Based on the appropriateness and independence of factors, and as assessed by experts in the project promotion office of the IDB, e-learning solution providers and project leaders of the IDB sponsored enterprises, this paper then designed an Analytical Hierarchy Process （AHP） format questionnaire and sent it to these same experts to gather their responses. The factor weightings were derived based on the Fuzzy Analytic Hierarchy Process （FAHP） method. Finally, analysis of key factors was performed and recommendations provided. Based on the results for this work, service industry firms with limited resources can achieve proper resource allocation and more quickly and successfully adopt customized e-Learning systems.

关键词： E-learning system platform fuzzy AHP

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Rapid Synthesis of Piezoelectric ZnO-Nanostructures for Micro Power-Generators

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Journal of Materials Science & Technology 2013年第10期29卷 893-897页

作者： Nai-Feng Hsu tien-Kan Chung Ming chang Hong-Jun Chen Department of General Education Army Academy Department of Mechanical Engineering National Chiao Tung University Department of Mechanical Engineering Chung Yuan Christian University State Key Laboratory of Digital Manufacturing Equipment and Technology Huazhong University of Science and Technology

In this paper, we report a rapid synthesis of piezoelectric ZnO-nanostructures and fabrication of the nanostructures- based power-generators demonstrating an energy conversion from an environmental mechanical/ultrasonic energy to an electrical energy. The ZnO nanostructures are grown on a silicon wafer by a modified chemical solution method （CSD, chemical-solution-deposition） with a two-step thermal-oxidation approach. The synthesis process can be completed within 1 h. By varying the mixture-ratio of Zn micro-particles in an oxalic acid solution with 0.75 mol/l concentration in the CSD process, the growth mechanism is well-controlled to synthesize three different types of ZnO-nanostructures （i.e., dandelion-like nanostructures, columnar nanostructures, and nanowires）. Furthermore, through oxidizing at different temperatures in the thermal-oxidation process, the featured geometry of the nanostructures （e.g., the length and diameter of a nanowire） is modified. The geometry, size, morphology, crystallization, and material phase of the modified nanostructures are characterized by scanning electron microscopy and X-ray diffraction. Finally, the nanostructures are used to fabricate several micro power-generators. Through the piezoelectric effect, a maximum current density output of 0.28 μA cm-2 generated by a power-generator under an ultrasonic wave is observed.

关键词： Piezoelectric ZnO nanostructures Chemical solution method Thermal-oxidation Power-generator

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Hemorrhagic blisters in fulminant Aeromonas hydrophila bacteremia: Case report and literature review

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Asian Pacific Journal of Tropical Medicine 2019年第2期12卷 91-94页

作者： Yao-tien chang Sung-Yuan Hu Che-An Tsai Department of Emergency Medicine Taichung Veterans General Hospital Department of Nursing College of Health National Taichung University of Science and Technology School of Medicine Chung Shan Medical University Institute of Medicine Chung Shan Medical University Department of Nursing College of Nursing Central Taiwan University of Science and Technology Division of Infectious Disease Department of Internal Medicine Taichung Veterans General Hospital

The Aeromonas species, belonging to the family Aeromonadaceae, are opportunistic pathogens found in humans with an incidence rate of 76 cases per million inhabitants in Southern *** incidence of Aeromonas septicemia is relatively low, accounting for less than 15% of *** diagnosed with Aeromonas hydrophila bacteremia who were presented with skin blisters and septic shock have been reported to have a mortality rate of 100%.Aeromonas infection must be considered in the differential diagnosis of gangrene-like tissue damage or skin lesions in patients with end-stage renal disease, due to the potential sources of infections.A 49-year-old Taiwan Residents diabetic woman with end-stage renal disease had underwent regular *** was referred to our hospital due to a one-day course of fever, dyspnea, hypotension, and fulminant hemorrhagic blisters covering her whole body.A physical examination uncovered multiple hemorrhagic blisters, along with a ruptured blister over the lower left *** tests revealed an elevation of liver enzymes, impaired renal function, lactatemia, and high anion-gap metabolic *** of both blood and hemorrhagic blister fluid grew Aeromonas ***, she experienced persistent shock despite aggressive intravenous fluid, empiric antibiotics, and inotropic agents with norepinephrine and *** diagnosis and prompt management using intravenous fluids, antibiotics and surgical debridement is recommended in order to improve a patient's survival rate.

关键词： Aeromonas hydrophila Bacteremia End-stage renal disease Hemorrhagic blister

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Strong light–matter interaction in ZnO microcavities

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Light(Science & Applications) 2013年第1期2卷 128-134页

作者： Ying-Yu Lai Yu-Pin Lan tien-chang Lu Department of Photonics National Chiao Tung UniversityHsinchu 300

The strong light–matter interaction in ZnO-embedded microcavities has received great attention in recent years,due to its ability to generate the robust bosonic quasiparticles,exciton-polaritons,at or above room *** review introduces the strong coupling effect in ZnO-based microcavities and describes the recent progress in this *** addition,the report contains a systematic analysis of the room-temperature strong-coupling effects from relaxation to polariton *** stable room temperature operation of polaritonic effects in a ZnO microcavity promises a wide range of practical applications in the future,such as ultra-low power consumption coherent light emitters in the ultraviolet region,polaritonic transport,and other fundamental of quantum optics in solid-state systems.

关键词： microcavity polariton strong coupling ZnO

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Cathode catalyst prepared from bacterial cellulose for ethanol fermentation stillage treatment in microbial fuel cell

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Chinese Journal of Chemical Engineering 2021年第12期34卷 256-261页

作者： Huiyu Li Ming Gao Pan Wang Hongzhi Ma Ting Liu Jin Ni Qunhui Wang tien-Chin chang Department of Environmental Engineering University of Science and Technology BeijingBeijing Key Laboratory of Resource-oriented Treatment of Industrial PollutantsBeijing 100083China Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry Beijing Technology and Business UniversityBeijing 100048China Institute of Environmental Engineering and Management National Taipei University of TechnologyTaipei 106China

Bacterial cellulose doped with P and Cu was used as a catalyst for a microbial fuel cell(MFC) cathode,which was then used to treat ethanol fermentation stillage from food *** output power,coulombic efficiency(CE),and biological toxicity were *** a series of characterization experiments,the addition of the cathode catalyst was found to improve catalytic activity and accelerate the consumption of the *** resulting maximum output power was 572.16 mW·m^(-2).CE and the removal rate of chemical oxygen demand(COD) in the fermentation stillage by P-Cu-BC reached 26% and 64.5%,*** rate of biotoxicity removal by MFC treatment reached 84.7%.The aim of this study was apply a novel catalyst for MFC and optimize the treatment efficiency of fermentation stillage.

关键词： Microbial fuel cell Oxygen reduction reaction Fermentation Catalyst Biomass Biotoxicity

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