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信息容量对道路交通标志中对称结构效应的影响
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作者 胡信奎 葛列众 周婧 《人类工效学》 2011年第1期19-22,共4页
本实验研究了道路交通标志中信息容量大小对路名对称结构效应的影响。实验采用延迟匹配任务的方法,共有18名被试参加实验。结果:①当路名容量信息较低,只有4条时,路名呈现不管是不是具有对称结构,被试都有较高的操作绩效;②当路名信息... 本实验研究了道路交通标志中信息容量大小对路名对称结构效应的影响。实验采用延迟匹配任务的方法,共有18名被试参加实验。结果:①当路名容量信息较低,只有4条时,路名呈现不管是不是具有对称结构,被试都有较高的操作绩效;②当路名信息容量为6~10条时,对称结构的信息呈现方式对被试的作业绩效有明显的促进作用;③路名信息容量大于10条时,不管是不是具有对称结构,被试都有较差的操作绩效。结论:道路交通标志中路名对称结构效应的信息容量为6~10条。 展开更多
关键词 道路交通标志 信息容量 对称结构效应
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Floating Body Effect in Partially Depleted SOI nMOSFET with Asymmetric Structure and Ge-Implantation
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作者 刘运龙 刘新宇 +2 位作者 韩郑生 海潮和 钱鹤 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2002年第11期1154-1157,共4页
The floating body effect of an asymmetric and Ge implanted partially depleted 0 8μm SOI nMOSFET is investigated.It is found that the drain breakdown voltage can be improved by about 1V and that the anomalous subthr... The floating body effect of an asymmetric and Ge implanted partially depleted 0 8μm SOI nMOSFET is investigated.It is found that the drain breakdown voltage can be improved by about 1V and that the anomalous subthreshold slope and kink effect are also lessened.It is believed that the shallow junction in the source and defect states introduced by Ge implantation are responsible for the reduction of the floating body effect. 展开更多
关键词 SOI nMOSFET floating body effect Ge implantation
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The Majorana neutrino mass matrix indicated by the current data
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作者 ZHANG XinYi MA BoQiang 《Science China(Physics,Mechanics & Astronomy)》 SCIE EI CAS CSCD 2015年第7期36-48,共13页
The Majorana neutrino mass matrix combines information from the neutrino masses and the leptonic mixing in the flavor basis. Its invariance under some transformation matrices indicates the existence of certain residua... The Majorana neutrino mass matrix combines information from the neutrino masses and the leptonic mixing in the flavor basis. Its invariance under some transformation matrices indicates the existence of certain residual symmetry. We offer an intuitive display of the structure of the Majorana neutrino mass matrix, using the whole set of the oscillation data. The structure is revealed depending on the lightest neutrino mass. We find that there are three regions with distinct characteristics of structure. A group effect and the μ-T exchange symmetry are observed. Six types of texture non-zeros are shown. Implications for flavor models are discussed. 展开更多
关键词 NEUTRINO Majorana mass matrix oscillation data
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