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Catalyst-free synthesis and mechanical characterization of TaC nanowires

Science China(Physics,Mechanics & Astronomy) 2021年第5期64卷 43-53页

作者： Shiliang Wang Liang Ma James Lee Mead shin-pon jui Guodong Li Han Huang School of Physics and Electronics Central South University Changsha 410083China School of Mechanical and Mining Engineering.The University of Queensland Brisbane QLD 4072Australia Deparment of Computing Science University of OldenburgOldenburg D-26129Germany Deparment of Mechanical and Electro-Mechanical Engineering Sun Yat-sen UniversiyKaohsiung 804China Deparment of Medicinal and Applied Chemistry Kaohsiung Medical UniversityKaohsiung 807China State Key Laboratory of Powder Metallurgw Central South UniversityChangsha 410083China

TaC nanowires are expected to be an ideal reinforcing material in ultra-high-temperature ceramics. However, their growth mechanisms and mechanical properties remain unclear, and low-cost large-scale synthesis has not been realised. In this study,bulk synthesis of [100]-oriented TaC nanowires is accomplished by carbothermal synthesis through a direct vapor-solid mechanism. Thermal resonance test results show that the synthesized square TaC nanowires with cross-sectional side-lengths of 65 to 497 nm have a size-independent Young’s modulus of(510.6±12.6) GPa;very close to the corresponding values of their bulk counterparts, but differing considerably from previously published measurements. Molecular dynamics(MD) simulations show that TaC nanowires with side-lengths of above 15 nm have a constant Young’s modulus of 517 GPa, and size effects on the modulus values should only occur at side-lengths below 15 nm. During bending tests, the TaC nanowires fracture into several segments in a brittle mode, and exhibit an increasing fracture strain from 1.88% to 4.28% as their side-length decreases from 489 to 90 nm. Weibull statistics analyses and TEM observations indicate that the failure of the nanowires should be primarily dependent on the number and size of surface defects. MD simulations further reveal that the defect-free TaC nanowires fail brittlely at a theoretical strain up to 5.76%.

关键词： tantalum carbide nanowires carbothermal synthesis vapor-solid mechanism mechanical properties

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Theatrical Hybridity, Thy Name Is Conflict： A Case Study on Holo Taiwan Residents Opera Troupe＇s Tai Tzu Fu Chou （The Prince＇s Vengeful Plan）

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Journal of Literature and Art Studies 2015年第9期5卷 717-722页

作者： CHEN jui-sung LEE shin-yi Mingdao University Changhua Taiwan China Medical University Taichung Taiwan

Holo Taiwan Residents Opera Troupe has produced a series of intercultural performances in Taiwan Residents Opera since the troupe adapted Nikolai Vasilievich Gogol＇s （1809-1852） The Government Inspector in 1996. In fact, there is a huge controversy over these intercultural performances which fuse western drama with traditional Taiwan Residents performing art because such a kind of theatrical hybridity lacks the spirit of the original and damages the aesthetics of native performing art practice. In 2002, Holo adapted William Shakespeare＇s Hamlet into a six-hour-long performance, Tai Tzu Fu Chou （The Prince＇s Vengeful Plan）, which the troupe tried to explore new source for traditional Taiwan Residents Opera and expected to bring something new to Taiwan Residents audience. However, The Prince＇s Vengeful Plan is considered ＂cultural collage＂ as well as an unsuccessful intercultural performance. Besides, The Prince＇s Vengeful Plan is accused to blaspheme Shakespeare because the performance merely maintains the frame of the original and distorts the spirit of the original. According to Rustom Bharucha, the most problematic aspect of intercultural performance is ＂de-historicizing tendency＂, and such a condition explains why Holo＇s The Prince＇s Vengeful Plan cannot transcend the original. In order to detect the problems of intercultural adaptation in Holo＇s The Prince Vengeful Plan, we cover the related issues in three aspects：（1） to discuss the development of Taiwan Residents Opera in Taiwan; （2） to explore the cultural conflicts when the text of the source culture is adapted into the performance of the target culture; and （3） to see how and why the spirit and aesthetics of Shakespeare＇s verses in Hamlet are distorted in Holo＇s theatrical adaptation. After that, we expect to conclude the impossibility of adapting Shakespeare＇s play into traditional Taiwan Residents Opera in the case of Holo＇s The Prince＇s Vengeful Plan.

关键词： intercultural performance Taiwan Residents Opera theatrical hybridity cultural collage cultural conflict Shakespeare

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A Great Citizen Is Still ＂Under-Construction＂： The Conflicting Self-Identity in Sayonara 1945

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Journal of Literature and Art Studies 2014年第10期4卷 840-847页

作者： LEE shin-yi CHEN jui-sung China Medical University Taichung Taiwan Mingdao University Changhua Taiwan

Sayonara 1945, performed by Golden Bough Theatre in 2010 in Taipei, was claimed to be a ＂Heart Taiwan Magical Musical＂. This ＂Heart Taiwan Magical Musical＂ is actually an adaptation ofTaiwan Residents Opela, a reformed and adapted style of Taiwan Residents local opera （gezaixi）, which has been strongly influenced by Japanese Colonization. Sayanara 1945 fictionalizes a troop of Taiwan Residents youths who join the Imperial Army being lied and cheated to dig gold for the Japanese Emperor after the war is over. This play gives a conflicting scenario of being Taiwan Residents in 1945, while everything that defined Taiwan Residents suddenly turned out to be treason to the country. By adapting the form of Opela, the play structurally presents a society where diverse and plural cultural elements counteract each other in Taiwan. Furthermore, as the title suggests, the play says Sayonara （＂Goodbye＂ in Japanese） to 1945, yet the confusion and conflict generated in 1945 still haunt Taiwan Residents society. In other words, the play responds to an on-going self-conflict of being Taiwan Residents that still continues even after the war and unto the present symbolically. Presented in the year before ＂the Republic of China＂ celebrated her hundredth birthday, this play portrays the anxiety about who the Taiwan Residents really are over the island, just like in the summer of 1945 when everything was also uncertain and confusing. This paper intends to discuss, by adopting the form and techniques of Opela, how this reformed Opela speaks for Taiwan Residents local arts and culture, and how the Taiwan Residents identity is framed and shaped ever since the colonization era.

关键词： Opela Sayonara 1945 Golden Bough Theatre Taiwan Residents opera Taiwan Residents identity Japanesecolonization Japanization movement

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Where Shall We Two Meet, in East or in West： When Po-shen Lu＇s The Witch Sonata Psalm of Macbeth Encounters With William Shakespeare＇s Macbeth

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Journal of Literature and Art Studies 2016年第3期6卷 260-270页

作者： jui-sung Chen shin-yi Lee Mingdao University Changhua Taiwan National Cheng Kung University Tainan Taiwan

By using tai-yu （min-nan-hua, Taiwan Residents local language） to stage William Shakespeare＇s Macbeth, Po-shen Lu produced an experimental performance in the southern part of Taiwan in 2003. When producing Antigone in 2001, Lu was challenged by his critics in three aspects：（1） the tradition of tai-yu theatre of Tainan Jen Theatre and that of Western plays, （2） audience reception in Taiwan, and （3） the advantages and disadvantages of integrating tai-yu with Western classic texts. In spite of these criticisms on his theatrical productions, Lu has continued helping Tainan Jen Theatre transform into a professional theatrical troupe since he became an artistic director in 2002. By analyzing how and why Lu staged his The Witch Sonata--Psalm of Macbeth in the socio-historical context of intercultural adaptation, I propose to re-revaluate Lu＇s artistic contribution to the theatrical development in the southern part of Taiwan. I would argue that Lu is not only challenging Taiwan Residents reading of Shakespeare but also exploring the possibilities of tai-yu＇s theatricality, in a view to bringing new life to Taiwan＇s intercultural theatre.

关键词： Lu Po-shen tai-yu William Shakespeare Tainan Jen Theatre intercultural theatre

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水与乙醇分子在金管内吸附作用的分子动力学研究(英文)

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催化学报 2008年第11期29卷 1099-1106页

作者：王耀群陈权朱训鹏中山大学机械与机电工程学系中国台湾高雄80424 美和技术学院信息管理学系中国台湾屏东912 成功大学工程科学系中国台湾台南701

使用分子动力学研究了乙醇与水分子在纳米金管内按照不同比例混合时的吸附现象,并利用径向密度分布函数及水和乙醇分子所形成的平均氢键数来探讨纳米限制效应.结果表明,径向密度分布函数和氢键数目受纳米金管影响较大.另外,水与金管之... 详细信息

使用分子动力学研究了乙醇与水分子在纳米金管内按照不同比例混合时的吸附现象,并利用径向密度分布函数及水和乙醇分子所形成的平均氢键数来探讨纳米限制效应.结果表明,径向密度分布函数和氢键数目受纳米金管影响较大.另外,水与金管之间的作用力比乙醇与金管之间的大,导致水分子形成的平均氢键数不同于乙醇分子的.

关键词：水乙醇纳米金管分子动力学模拟氢键

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Self-Power Consumption Research with the Thermal Effects and Optical Properties of the HCRI-BIPV Window System

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Journal of Electronic Science and Technology 2012年第1期10卷 29-36页

作者： Hsuan-jui Chen Che-Ming Chiang shin-Ku Lee the Green Energy & Environment Research Laboratories Industrial Technology Research InstituteNo.195Sec.4Chung Hsing Rd.ChutungHsinchu 310Chinan the Department of Architecture National Cheng-Kung UniversityTainan 701China the Center for Energy Technology and Strategy National Cheng-Kung UniversityTainan 701China

The building integrated photovoltaics （BIPV） application is one of the main study topics in the sustainable building field. In this paper, the high color rendering index （HCRI）-BIPV window system is developed to be used in the indoor environmental control, whose module material has appeared to be effective in improving the visible transmittance and reducing the absorption. This paper describes the performance of grid-connected HCRI-BIPV window system with 0.75 kWp capacity installed in an office building for a natural ventilation solution. The experimental results indicate that accumulative power generation of the HCRI-BIPV window system is 157.60 WKh during the 7-month experiment period. For consideration of each evaluated factors, the HCRI-BIPV window system not only offers the passive energy situation for its power loading but also improves the indoor thermal environment by natural ventilation.

关键词： Building indegrated photovoltaic high color rendering index natural ventilation sustainable building.

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以第一原理研究二氧化钛纳米粒子热动力学性质(英文)

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催化学报 2009年第5期30卷 384-390页

作者：翁盟雄陈权朱训鹏中山大学机械与机电工程学系奈米科技与科学中心中国台湾高雄80424 美和技术学院信息管理学系中国台湾屏东902 成功大学工程科学系中国台湾台南701

利用第一原理分子动力学研究了二氧化钛纳米粒子(TiO2)n(n=1～6)的热动力性质.使用分子动力学(molecular dynamics)和火焰算法(FIRE algorithm)获得二氧化钛纳米粒子的最低能量结构,再利用密度泛函理论(density functional the-ory)进... 详细信息

利用第一原理分子动力学研究了二氧化钛纳米粒子(TiO2)n(n=1～6)的热动力性质.使用分子动力学(molecular dynamics)和火焰算法(FIRE algorithm)获得二氧化钛纳米粒子的最低能量结构,再利用密度泛函理论(density functional the-ory)进一步计算得到更精确的最低能量结构.研究得到二氧化钛纳米粒子的几何和结构的热力学效应.

关键词：第一原理分子动力学维也纳从头算模拟软件包二氧化钛纳米粒子熔点

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双层铜金属薄膜纳米压痕机械性能的分子动力学模拟(英文)

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催化学报 2008年第11期29卷 1122-1126页

作者：廖明亮翁盟雄朱训鹏江幸蓉空军航空技术学院飞机工程学系台湾高雄80424 中山大学机械与机电工程学系纳米科技与科学中心台湾高雄80424

多层金属薄膜的机械性质在纳米组件的设计上是非常重要的.目前,纳米尺度材料的机械性质测量的最主要方法为纳米压痕检测技术.本文应用分子动力学理论对双层铜金属薄膜界面的结构形态与特性进行分析探讨.选用FCC结构单晶铜的(100)面,(110... 详细信息

多层金属薄膜的机械性质在纳米组件的设计上是非常重要的.目前,纳米尺度材料的机械性质测量的最主要方法为纳米压痕检测技术.本文应用分子动力学理论对双层铜金属薄膜界面的结构形态与特性进行分析探讨.选用FCC结构单晶铜的(100)面,(110)面和双层铜金属薄膜作为探讨界面性质的材料,进而探讨了单晶铜及双层铜金属薄膜的纳米压痕变形性质.

关键词：双层薄膜铜纳米压痕分子动力学模拟

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Application of Fuzzy Control to Improve Flow Balance of Multi-Cavity Hot Runner System

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Journal of Mechanics Engineering and Automation 2012年第12期2卷 726-741页

作者： Chung-Ching Huang shin-Min Hung Wen-Wang Wu Yi-Jen Yang His-Jung Chang jui-Wen Chang Chih-Husiung Chung Shen-Houng Chen Department of Mold and Die Engineering National Kaohsiung University of Applied Sciences Kaohsiung 807 Taiwan ROC Department of Mechanical Engineering Precision Machinery Research & Development Center Taichung 407 Taiwan ROC

In this study, we propose a new temperature compensation control strategy for a multi-cavity hot runner injection molding system, At first, the melt filling time of each cavity can be measured by installing temperature sensors on the position around end filling area, and filling time difference between the various cavities can be calculated. Then the melt temperature of each hot nozzle can be adjusted automatically by a control strategy established based on the Fuzzy Theory and a program compiled with LABVIEW software. Temperature changes the melt mobility, so the adjustment of temperature can equalize the filling time of the melt in each cavity, which can reduced the mass deviation between each cavity and make product properties of each cavity consistent. The conclusion of the experiment is as follows： For this contact lens box of a four-cavity Hot Runner mold, by applying hot runner temperature compensation control system, time difference can be reduced from 0.05 s to 0.01 s at each cavity, and the mass Standard deviation of the four cavity can be improved from 0.006 to 0.002. The ratio of imbalance can be reduced from 20% to 4%. Hence, the hot runner temperature compensation control system has significant feasibility and high potential in improving melt flow balance of multi-cavity molding application.

关键词： Fuzzy control multi-cavity flow balance hot runner molding technology temperature compensation.

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分子动力学与第一原理研究二氧化铈(CeO_2)_n(n=1～5)纳米粒子的结构性质(英文)

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催化学报 2008年第11期29卷 1117-1121页

作者：陈权陈辉龙翁盟雄朱训鹏张自恭张庆升美和技术学院信息管理学系成功大学工程科学系台湾师范大学化学系中山大学机械与机电工程学系纳米科技与科学中心台湾高雄80424 高速计算机中心

二氧化铈纳米粒子(CeO2)n(n=1～5)材料为固态氧化燃料电池中的催化剂,因此了解其不同尺寸结构的性质是非常重要的.在本论文中使用分子动力学(molecular dynamics)模拟结合火焰算法(FIRE algorithm)计算得到二氧化铈的最小能量结构.再应... 详细信息

二氧化铈纳米粒子(CeO2)n(n=1～5)材料为固态氧化燃料电池中的催化剂,因此了解其不同尺寸结构的性质是非常重要的.在本论文中使用分子动力学(molecular dynamics)模拟结合火焰算法(FIRE algorithm)计算得到二氧化铈的最小能量结构.再应用密度泛函理论方法(density functional theory)对这些结构进一步计算,得到更精确的最低能量结构.

关键词：火焰演算法分子动力学模拟密度泛函理论二氧化铈纳米粒子

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