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The separation and reconstructions of charged hadron and neutral hadron from their overlapped showers in an electromagnetic calorimeter is very important for the reconstructions of some particles with hadronic decays, for example the tau reconstruction in the searches for the Standard Model and supersymmetric Higgs bosons at the LHC. In this paper, a method combining the shower cluster in an electromagnetic calorimeter and the parametric formula for hadron showers, was developed to separate the overlapped showers between charged hadron and neutral hadron. Taking the hadronic decay containing one charged pion and one neutral pion in the final status of tau for example, satisfied results of the separation of the overlapped showers, the reconstructions of the energy and positions of the hadrons were obtained. An improved result for the tau reconstruction with this decay model can be also achieved after the application of the proposed method. 相似文献
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用海藻酸钠(SA)水凝胶将细胞色素c(cyt-c)固定在棱面热解石墨电极(EPPGE)表面,形成稳定的SA-cyt-c/EPPGE电极,采用蛋白膜伏安法(PFV)研究了cyt-c与电极之间的直接电化学和离子强度、pH、外加金属离子对其电化学行为的影响及其电催化性能。结果表明:cyt-c中血红素辅基Fe(Ⅲ)/Fe(Ⅱ)电对表现出准可逆行为,pH7.0、NaCl浓度为0.1 mol/L时电化学活性最高,外加金属离子则有抑制作用,SA-cyt-c/EPPGE可催化还原O2,有可能发展成为一种溶解氧的生物传感器。 相似文献
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To study the local regularity of solutions to second order elliptic partial differential equations, Morrey in [1] introduced some function spaces, which are called the Morrey spaces todaySince then, many mathematicians have studied regularities of solutions to some kinds of secondorder elliptic equations in Morrey spaces.We give the deceptions of Morrey space and weak Morrey space first.Definition 1 Let TheThesubset of those functions of Lp for which will be called the Morrey space LpDefi… 相似文献
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作为一种半结品性的聚烯烃材料.全同立构聚丁烯-1(iPB-1)的结晶存在Ⅰ,Ⅱ.Ⅲ和Ⅰ’4种品型,其中,晶型Ⅰ和Ⅰ’是由3/1螺旋链堆砌的六方晶胞结构,晶型Ⅱ是由11/3螺旋构象链堆砌的四方晶胞结构,晶型Ⅱ则是由4/1螺旋链堆砌而成的正交品胞结构.通常溶液结晶得到品型Ⅲ和晶型Ⅰ’,在高压条件下从本体结品也可得到晶型. 相似文献
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用透射电子显微镜和X射线衍射等方法研究了等规立构聚丙烯和无规立构聚丙烯共混物溶液浇铸膜的形态结构,结果表明,aPP的加入对iPP的形态结构有很大的影响。 相似文献
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应用Banzhaf指数探讨了阿里合伙人模式中股东持有股权与投票权之间的非对等关系.首先依据该模式建立了包含合伙人集团和股东大会的加权投票博弈系统,然后运用Banzhaf指数构建了合伙人集团和各股东的权力指数测度公式.最后根据2017年阿里巴巴公司的合伙人成员数和各股东持有股权比例,进行了实际权力指数测算分析,展示了方法的可行性,最后给出了该模式的优化建议. 相似文献
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用示差扫描量热仪(DSC)、偏光显微镜(PLM)和场发射扫描电镜(FESEM)对高抗冲共聚聚丙烯(HIPP)的非等温结晶行为、等温结晶动力学及结晶形态进行了系统研究, 并与均聚聚丙烯(iPP)进行了对比. 非等温热分析结果表明, HIPP的结晶和熔融温度均低于iPP. 等温结晶动力学分析结果表明, HIPP的半结晶时间、结晶活化能及分子链折叠端表面自由能均高于iPP. 研究结果表明, HIPP中的共聚组分与基体存在部分相容性, 并阻碍其结晶. PLM和FESEM研究结果表明, HIPP中存在大量均匀分散的橡胶粒子, 其直径约1~2 μm, 并具有核-壳结构. 增韧相在基体相中的良好分散与粘结, 以及有效核-壳增韧结构的形成是实现HIPP良好刚-韧平衡性能的关键. 这与HIPP的组成及聚合工艺密切相关. 相似文献