Theoretical study on stereodynamics of H + NeH+ (v = 0, j = 0) → H2 + + Ne reaction

Stereodynamics of reaction H + NeH+(v = 0,j = 0) → H2+ + Ne is investigated by quasi-classical trajectory method using a new potential energy surface constructed by Lv et al.The distributions of P(r),P(r) and PDDCSs are calculated at four different collision energies.The rotational polarization of product H2+ presents different characters at different collision energies.The product rotational angular momentum vector j’ is not only aligned,but also oriented along the direction perpendicular to the scattering plane.With the increase of collision energy,the rotation of product molecule has a preference of changing from the "in-plane" mechanism to the "out-of-plane" mechanism.Although the title reaction is mainly dominated by the direct reaction mechanism,the indirect mechanism plays a role when the collision energies are low.     

索赔数据的广义Pareto分布拟合

通过对尾部分布何时服从广义Pareto分布（GPD）进行检验，得到了精确的门限值。然后，将谊方法应用于保险数据进行实证分析，得到了GPD模型的参数、高分位数和可能的最大损失的估计值。     

约束滚动控制序列的预测控制器在船舶驾驶控制中的仿真研究

本文通过约束预测控制器的滚动优化序列，在控制律的计算中避免了矩阵求逆运算，大大地减少了计算量，有利于控制器的在线实现。仿真结果表明了该控制器的快速性及优良性能。     

带梁式转换层框支剪力墙结构抗连续倒塌分析

为研究带梁式转换层框支剪力墙结构的抗连续倒塌能力及变形程度,通过有限元软件建立本结构的三维模型,基于备用荷载路径法,以某带梁式转换层的框支剪力墙结构为研究对象,选取不同失效工况分别进行非线性分析,研究初始破坏后剩余结构的节点位移、内力机制及内力重分布过程.结果表明:根据各个工况下对失效点变形情况可得底层位移大于转换层位移;同层不同位置柱的对应位移大小依次为角柱、内柱、长边中柱、短边中柱;承重柱失效后其相邻构件的不平衡内力分担情况遵循"就近原则".     

乳腺X线机检定方法研究

乳腺X线机是临床医疗常用仪器,其性能直接关系到病人的生命安全。本文介绍了乳腺X线机的原理和相关参数的检定方法。     

用煤矸石生产净水剂工艺研究

以煤矸石为原料 ,经焙烧、酸浸后 ,滤液经聚合、干燥 ,制得固体复合型碱式聚合氯化铝铁净水剂     

Western-blot方法分析人甲状腺及其肿瘤组织中bFGFs

目的：研究人甲状腺瘤的发生分期ｂＦＧＦｓ（ｂａｓｃ Ｆａｂｒｏｂｌａｓｔ Ｇｒｏｗｔｈ Ｆａｃｔｏｒｓ）基因异常表达的关系。方法：采用Ｗｅｓｔｅｒｎ－ｂｌｏｔ方法对人甲状腺及其肿瘤组织来源的ｂＦＧＦｓ进行分析研究。结果：人正常甲状腺组织来源的ｂＦＧＦｓ分子量为１７ＫＤ和１８ＫＤ,而人甲状腺肿瘤组织来源的ｂＦＧＦｓ为１４ＫＤ、１７ＫＤ和１８ＫＤ。结论：１４ＫＤｂＦＧＦｓ的出现提示人甲状腺肿瘤的发生和发展可能与ｂＦＧＦｓ的基因异常表达有关。     

SDS-PAGE法检测人甲状腺及其肿瘤组织中bFGFs条件的选择

目的：探讨SDS－PAGE法检测人甲状腺及其肿瘤组织中bFGFs（basicFibroblastGrowthFactors）的条件。方法：采用SDS-PAGE电泳法检测人甲状腺及其肿瘤组织中的bFGFs．结果：分离胶浓度为12．5％,胶厚为0．5cm,电流强度为30mA,样品量为5－6ul,标准bFGFs上样量为20ul较适全人甲状腺及其肿瘤组织中各种分子量的bFGFs的分离及鉴定。结论：人甲状腺及其肿瘤组织中各种分子量的bFGFs的分离及鉴定与SDS－PAGE电泳时条件的选择密切相关。     

Preparation of zeolite NaA for CO2 capture from nickel laterite residue

Zeolite NaA was successfully prepared from nickel laterite residue for the first time via a fusion-hydrothermal procedure. The structure and morphology of the as-synthesized zeolite NaA were characterized with a range of experimental techniques, such as X-ray diffraction, scanning electronic microscopy, and infrared spectroscopy. It was revealed that the structures of the produced zeolites were dependent on the molar ratios of the reactants and hydrothermal reaction conditions, so the synthesis conditions were optimized to obtain pure zeolite NaA. Adsorption of nitrogen and carbon dioxide on the prepared zeolite NaA was also measured and analyzed. The results showed that zeolite NaA could be prepared with reasonable purity, it had physicochemical properties comparable with zeolite NaA made from other methods, and it had excellent gas adsorption properties, thus demonstrating that zeolite NaA could be prepared from nickel laterite residue.     

探述联系实际的实验教学与新实现办法

联系实际是发展的重要要求,在大学实验教学中联系实际对于学生的成长有着不可替代的作用。怎么联系实际,以什么方式联系实际,一直是大学教育探索的课题。文中针对大学实验教学的实际情况阐述了联系实际对学生的激励,分析了现有大学联系实际的课程体制以及大学中联系实际的发展与矛盾。在此基础上,探述了学校为满足大学生联系社会实际进行电子科学技术运用的内生需求,并提出了一些改进措施与可行的实现方法。