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苯端基十二硅烷齐聚物薄膜的液晶自组装性 被引量:1
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作者 彭俊彪 朱召胜 +5 位作者 高维先 曹镛 Okumoto H Minami N Yatabe T Ichino Y 《液晶与显示》 CAS CSCD 2002年第3期157-162,共6页
通过毛细现象制备苯端基十二硅烷齐聚物 (PhMS1 2 )薄膜 ,发现该薄膜在室温下具有分子链垂直于衬底的层状结构排列方式。极化偏光显微镜照片显示PhMS1 2薄膜具有均匀畴区 ,平均线度达到几百微米。极化吸收光谱证明畴区内这种有序的分子... 通过毛细现象制备苯端基十二硅烷齐聚物 (PhMS1 2 )薄膜 ,发现该薄膜在室温下具有分子链垂直于衬底的层状结构排列方式。极化偏光显微镜照片显示PhMS1 2薄膜具有均匀畴区 ,平均线度达到几百微米。极化吸收光谱证明畴区内这种有序的分子排列导致分子面取向具有相同趋势 ,差热分析证明PhMS1 2在 1 2 6~ 1 3 3℃之间呈现液晶性 ,进一步分析表明这种高温状态呈现的液晶性使分子产生有序排列 ,这种有序排列能够从液晶态保持到晶态。 展开更多
关键词 苯端基十二硅烷齐聚物薄膜 自组装性 液晶性 多层结构
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Stereoscopic Particle Image Velocimetry Investigation of Three-Dimensional Characteristics of Vortex Structure in a Turbulent Channel Flow 被引量:4
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作者 Feng-ChenLI YasuoKAWAGUCHI +1 位作者 TakehikoSEGAWA KoichiHISHIDA 《Chinese Physics Letters》 SCIE CAS CSCD 2005年第3期624-627,共4页
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A NEW TYPE OF MICROPUMP DRIVEN BY A LOW ELECTRIC VOLTAGE
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作者 郭书祥 ASAKA Kinji 《Acta Mechanica Sinica》 SCIE EI CAS CSCD 2004年第2期146-151,共6页
In this paper,we propose a new prototype model of a micro pump using ICPF(Ionic Conducting Polymer Film)actuator as the servo actuator.This micro pump consists of two active one- way valves that make use of the same I... In this paper,we propose a new prototype model of a micro pump using ICPF(Ionic Conducting Polymer Film)actuator as the servo actuator.This micro pump consists of two active one- way valves that make use of the same ICPF actuator.The overall size of this micro pump prototype is 12mm in diameter and 20mm in length.The actuating mechanism is as follows:(1)The ICPF actuator as the diaphragm is bent into anode side by application of electricity.Then the volume of the pump chamber increases,resulting in the inflow of liquid from the inlet to the chamber.(2)By changing the current direction,the volume of the pump chamber decreases,resulting in the liquid flow from the chamber to the outlet.(3)The ICPF actuator is put on a sine voltage,the micro pump provides liquid flow from the inlet to the outlet continuously.Characteristic of the micro pump is measured.The experimental results indicate that the micro pump has the satisfactory responses. 展开更多
关键词 micro machine MICROPUMP ionic conducting polymer film(ICPF)actuator medical applications BIOTECHNOLOGY
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