脉冲磁场对种子生物效应的研究

本文报道多种频率的脉冲磁场作用于蔬菜种子，提高种子活力，进而研究脉冲磁场的生物效应实验表明：脉冲磁场强度在一定的阈值内，作用一定的时间，种子活力将提高，出现正的生物效应（刺激效应），而超过这一阈值范围．种子将出现负的生物效应（抑制效应）．     

邦德功指数试验的模型化及仿真

本文用数学模型方法和计算机仿真技术,系统地分析、研究了测定邦德功指数的可磨度试验,成功地提出了一种快速、准确的测定邦德功指数的计算机仿真方法。六种标准矿样的对比实验结果表明:这些矿样的功指数的计算机仿真值与实测值非常接近,由计算机打印出的仿真过程与实际可磨度试验过程是一致的。在计算机上完成测定功指数的仿真过程一般为2分钟左右,它不仅提高了测定精度,而且大大减少了测定功指数的试验时间和工作量。     

基于小波局部能量特征的多分辨率图像融合

研究了基于小波变换的多分辨率图像融合的理论和方法,提出了一种以小波局部能量作为融合特征的融合算法,并讨论了融合图像的评价问题.实验表明：所提算法在熵、交叉熵、均方根误差和峰值信噪比等方面都有较好的效果.     

高校公寓人性化管理与和谐校园的构建

论述了加强高校公寓人性化管理和构建和谐校园的重要性,详细分析了现行公寓管理面临的挑战,指出公寓管理必须以人为本、实施人性化管理,提出了具体措施。     

Rational design of glycerol dehydratase： Swapping the genes encoding the subunits of glycerol dehydratase to improve enzymatic properties

1,3-propanediol (1,3-PD) is an important material for chemical industry,and there has been always much interest in the production of 1,3-PD using all possible routes. The genes encoding glyc-erol dehydratase (GDHt) from Citrobacter freundii,Klebsiella pneumoniae and metagenome were cloned and expressed in E. coli. All glycerol dehy-dratases but the one from metagenome could be detected to show enzyme activities. In order to im-prove the enzymatic properties of GDHts,the genes encoding α and β-γ subunits were cloned,and the enzyme characteristics were evolved by rational de-sign based on their 3D structures which were con-structed by homology modeling. Six heteroenzymes were obtained by swapping the α subunit genes of these three different-source-derived GDHts. The pH,thermal stability and Vmax of some heteroenzymes were dramatically improved by 2―5 times compared with the wild one (GDHtKP). The GDHt cloned from metagenome,originally proved to be with no enzyme activity,was converted into active enzyme by swap-ping its subunits with other different GDHts. In addi-tion,the effect of subtle 3D structural changes on the properties of the enzyme was also observed.     

Modeling and Performance Analysis of Dispatching Policies in Dispatcher-Based Web Server Cluster

There are two kinds of dispatching policies in content-aware web server cluster; segregation dispatching policy and mixture dispatching policy. Traditional scheduling algorithms all adopt mixture dispatching policy. They do not consider that dynamic requests＇ serving has the tendency to slow down static requests＇ serving, and that different requests have different resource demands, so they can not use duster＇s resource reasonably and effectively. This paper uses stochastic reward net （SRN） to model and analyze the two dispatching policies, and uses stochastic Petri net package （SPNP） to simulate the models. The simulation results and practical tests both show that segregation dispatching policy is better than mixture dispatching policy. The principle of segregation dispatching policy can guide us to design efficient scheduling algorithm.     

论冉冉诗歌的民族特性

民俗、民情、民调,是每一民族文化弹唱的主曲,也是每一个民族文化精神特性的表现.一个民族作家,他的创作指向应该彰显本民族文化特性,并在自己的地城内部形成自己的文化倾向和审美倾向.冉冉的诗歌在当今多元文化的格局中,擅长言说土家族的民族传统文化和民俗风情,表现了土家族的民族特性.     

基于Matlab的实时模糊控制系统的研发

研制出一种低成本、高可靠性和高稳定性倒立摆硬件系统,同时提出一种专家模糊控制策略以及基于Matlab的实时控制途径。采用模糊组合变量来减少模糊规则数,并根据摆角来选择不同模糊规则库从而提高控制性能。用Matlab实现的控制算法在对倒立摆的实验中表现出很好的实时控制性能。     

应用移动代理技术实现矩阵的并行计算

本文结合移动代理技术给出了一种矩阵并行计算的算法及其在Aglet移动平台中的实现。     

甲醇液相氧化羰化合成碳酸二甲酯动力学研究

研究了不同Schiff碱配合CuCl对甲醇液相氧化羰化合碳酸二甲酯反应的影响，得到了Schiff碱与CuCl复合催化体系的动力学方程，通过对实验数据的处理，得到了相关动力学参数，研究结果表明，当催化剂的浓度为0.2mol/L，Schiff碱与CuCl的量满足cSchiff base/cCuCL=2:1的条件，反应温度为120℃，反应压力为2.4MPa,CO与O2的进气摩尔比为2：1时，phen/CuCl复合催化体系的反应速率最快，其动力学方程为－dpCO/dt=0.216p^1.10PCO,活化能为44．31kJ/mol.