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硫氧化碳OCS是线性三原子分子,这类小分子的激发态、离子态能级结构、能级之间的相互作用及电离过程,是研究中所关心的问题.Tanaka等[1]和Kopp[2]测量了OCS的VUV吸收光谱,Frey和Schlag等[3]以同步辐射光源,用光电离共振(PIR)谱方法、Kovac[4]和Wang,Shirley等[5]以Hel为电离光源,分别采用传统的光电子能谱和高分辨光电子能谱技术研究了CO2、CS2和OCS分子从电子振动基态吸收单个光子而电离的过程.Yang和Anderson等问为了作选态的离子一分子反应利用可调谐激光rt光子吸收将OCS选择激发到某一中间态,OCS再吸收光子后… 相似文献
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The muonic component of the extensive air showers (EAS) is of great importance for the astroparticle physics. It carries the information about the properties of primary cosmic ray (CR) particles, such as their mass, and electromagnetic and hadronic nature. It provides a sensitive test for the hadronic interaction models, which are inevitable for describing the cascade shower development of cosmic rays in EAS experiments. The YangBaJing Hybrid Array (YBJ-HA) experiment has been in operation since the end of 2016. Surface detectors are used for the measurements of primary energy, angular direction and core position of a shower event, while underground muon detectors are used for measuring the density of muons at various locations. Using the data obtained by the YBJ-HA experiment,this work reports the first measurement of the lateral muon distribution for the primary cosmic ray energy in the 100TeV region. The punch-through effect is evaluated via MC simulation. 相似文献
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卫校的物理课是一门基础课.学生普遍不重视物理;认为物理难学.这些问题的存在无疑对物理教学是个障碍.物理学家爱因斯坦说过:“兴趣是最好的老师”.因此,要提高物理教学质量,必须从培养学生学习物理兴趣入手.下面结合自己的教学实践谈几点看法.1用生动事例、形... 相似文献
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本文以三角多项式类作为工具讨论了偶数个结点情况下的带重结点的具有最大三角精度的三角求积公式,由拟正交三角多项式的性质给出了求积公式系数的迭代构造。 相似文献
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