LiBe+分子基态及其低电子激发态

采用Davidson校正的多参考组态相互作用方法(MRCI+Q)和多参考平均二次耦合团簇方法(MRAQCC)结合基组ROOS-ANO-TZP得到了LiBe+分子基态(x1∑+)以及六个低电子激发态(a3Σ+,b3∏,A1∑+,B1∏,c3∑+,C1∑+)的势能曲线(PECs).计算结果表明:X1∑+,a3∑+,b3∏和...     

有扰流柱的复合倾斜式气膜冷却导向叶片换热特性的研究

本文采用试验方法研究复合倾斜式涡轮导向叶片的内换热特性。针对有无扰流柱、有无气膜孔以及三种不同直径的节流孔的模型进行了试验研究，获得了扰流柱、气膜孔以及１８０°弯的节流板孔径的变化对其内换热特性的影响，并得到了一些换热准则方程，从而获得了加强叶片内部换热的方法。     

水稻适应淹水胁迫的分子机理及品种改良

淹水胁迫是继干旱和杂草之后限制水稻产量的第3个重要因素;挖掘水稻适应淹水环境的基因资源,培育适应淹水环境的高产品种,是实现水稻高产稳产的重要措施.本文综述了深水稻和低地雨育稻适应淹水环境的两种策略——避淹和耐淹策略,深水稻和低地雨育稻适应淹水环境的分子机理,以及结合分子标记辅助选择技术利用SK和SUB1A基因培育适应淹水环境的高产水稻品种的前景;提出了转基因技术用于水稻耐逆境品种改良的策略.     

A Reference Optical System of Laser Doppler Longitudinal Displacement Measurement

1　Ｆｏｒｅｗｏｒｄ　　ＤｏｐｐｌｅｒｆｒｅｑｕｅｎｃｙｓｈｉｆｔａｎｄｉｎｔｅｒｆｅｒｅｎｃｅｆｒｅｑｕｅｎｃｙｍｉｘｉｎｇｍｕｓｔｂｅｐｒｏｄｕｃｅｄｉｎｔｈｅｏｐｔｉｃａｌｓｙｓｔｅｍｏｆａｌｏｎｇｉｔｕｄｉｎａｌｄｉｓｐｌａｃｅｍｅｎｔｍｅａｓｕｒｅｍｅｎｔｓｙｓｔｅｍｂａｓｅｄｏｎｌａｓｅｒＤｏｐｐｌｅｒｅｆｆｅｃｔ.Ｉｎａｔｙｐｉｃａｌｄｉｆｆｅｒｅｎｔｉａｌｏｐｔｉｃａｌｓｙｓｔｅｍ ,ｔｈｅｏｂｊｅｃｔｍｕｓｔｂｅｌｏｃａｔｅｄｉｎｔｈｅｆｏｃａｌｐｌａｎｅｏｆｌｅｎｓｔｏｅｎｓｕｒ…     

Preparation of poly (methyl methacrylate)/LDH nanocomposite by exfoliation-adsorption process

Exfoliated nanocomposite based on Mg, Al layered double hydroxide (Mg,Al-LDH) and poly(methyl methacrylate) (PMMA) has been prepared by exfoliation/adsorption process with acetone as co-solvent. The product was characterized by X-ray diffraction (XRD), thermal analysis and High Resolution Transmission Electronic Microscope (HREM). The results suggest that the brucite-like sheets of LDH disperse individually in the polymer matrix, and the thermal stability of the nanocomposite increases highly.     

Rolling circle amplification based amperometric aptamer/immuno hybrid biosensor for ultrasensitive detection of Vibrio parahaemolyticus

Microchimica Acta - The authors describe an antibody-aptamer based hetero-sandwich amperometric biosensor for the foodborne pathogen Vibrio parahaemolyticus. Antibody on the surface of a gold...     

Study on the Alignment and the Calibration of a Laser Structured Light Sensor

1　Ｉｎｔｒｏｄｕｃｔｉｏｎ　　Ｔｈｒｅｅ ｄｉｍｅｎｓｉｏｎａｌｓｅｎｓｉｎｇｉｓｗｉｄｅｌｙｕｓｅｄｉｎｍａｎｙｆｉｅｌｄｓｓｕｃｈａｓａｕｔｏｍｏｂｉｌｅｂｏｄｙ ｉｎ ｗｈｉｔｅｍｅａｓｕｒｅｍｅｎｔ,ｒｏｂｏｔｖｉｓｉｏｎ ,ｉｎｖｅｒｓｅｅｎｇｉｎｅｅｒｉｎｇ,ｃｕｒｖｅａｎｄｃｏｎｔｏｕｒｍｅａｓｕｒｅｍｅｎｔ,ＣＡＤ ＣＡＭａｎｄｍｅｄｉｃａｌｄｉａｇｎｏｓｉｓ .Ｏｐｔｉｃａｌｔｈｒｅｅ ｄｉｍｅｎｓｉｏｎａｌｓｅｎｓｉｎｇｉｓｒｅｇａｒｄｅｄａｓｔｈｅｍｏｓｔｐｒｏｍｉｓｉｎｇｗａｙｉｎ…