双金属机用锯条热处理工艺研究

研究了Ｗ９Ｍｏ３Ｃｒ４Ｎ和５０ＣｒＶＡ钢制成的双金属机用锯条的热处理工艺。结果表明，双金属机用锯条采用低高温回火比常规回火具有更优良的性能。其主要原因是，采用低温回火主要析出ε及Ｍ３Ｃ型碳化物，使马氏体中合金子数与碳原子数的比值升高，从而有利于高温回火时Ｍ２Ｃ型碳化物弥散均匀析出。     

酒质状态的模糊优化评估模型及算法

提出了一种基于模糊理论的交互式优化评估模型及算法，并将该模型及算法用于白酒质量的评判。     

Banach空间的一致极光滑性与平均一致凸性

给出了 Banach 空间的很极光滑性、一致极光滑性和平均一致凸 Banach 空间之间的关系.     

任意区域等值线图的绘制

本文提出了任意二维区域的描述方法及求取链在环图所表示区域内部部份的算法．从而圆满解决了呈任意区域分布的二维场等值线图的绘制问题。     

电离放电特征参量时空演变规律及其除尘应用的基础研究

本文详细介绍了电除尘技术的研究现状、现存问题及其研究趋势。认为目前电除尘技术的理论尚不完备,基本上还处于20世纪60年代的水平,属于经验工程的学科。并为此,本文深入研究了大气压电场电离放电特征参量的时空演变规律、电离放电通道中的带电粒子复合及其输运特性等,以便解决目前除尘电场的电离占空比、带电粒子输运项甚低等问题。进而强化了烟尘的荷电、凝聚物理过程,这将大幅度提高烟尘的驱进速度和除尘效率。     

Experimental study to confirm the existence of hydrocarbon under high pressure and temperature of deep lithosphere

Previous studies indicated that the existence of over- pressure in sedimentary basins not only affects the as- sessment of oil and gas resources, but also closely re- lates to the accumulation and preservation of petroleumin deep reservoirs[1,2]. It is well known that there are more than 180 overpressure basins in the world. Be- cause fluid pressure is transient in sedimentary basin over geologic time, the effect of increasing pressure on organic matter metamorphism is difficult to determine, …     

Numerical investigation on the self-excited oscillation of wet steam flow in a supersonic turbine cascade

The self-excited flow oscillation due to supercritical heat addition during the condensation process in wet steam turbine is an important issue. With an Eulerian/Eulerian model, the self-excited oscillation of wet steam flow in a supersonic turbine cascade is investigated. A proper inlet supercooling results in the transition from steady flow to self-excited oscillating flow in the cascade of steam turbine. The frequency dependency on the inlet supercooling is not monotonic. The flow oscillation leads to non-synchronous periodical variation of the inlet and outlet mass flow rate. The aerodynamic force on the blade varies periodically due to the self-excited flow oscillation. With the frequency lies between 18.1?80.64 Hz, the oscillating flow is apt to act with the periodical variation of the inlet supercooling due to stator rotor interaction in a syntonic pattern, and results in larger aerodynamic force on the blade. The loss in the oscillating flow increases 20.64% compared with that in the steady flow.     

论家族企业的文化建设

从制度经济学和演化经济学的视角对当前家族企业的文化建设问题进行分析和评价,概括了家族企业在文化建设过程中存在的各种现实问题,以促进家族企业价值的提升。     

金属电磁带隙波导特性分析

利用有限差分(FDTD)法分析了两维金属电磁带隙(EBG)波导带隙、耦合频率和模场分布,确定了EBG结构参数和对应的频率范围;利用HFSS建立了金属电磁带隙结构分析模型,设计了带有矩形波导转换的EBG波导.基于HFSS分析该波导,得到了这两种结构的传输谱线,对比说明矩形波导接口适用于窄带应用,而圆形波导接口适用于宽带应用.实验测试结果与数值分析符合较好.     

ERP与电子商务系统的集成研究

该文不仅阐述了企业资源计划与电子商务的内涵,而且论述了两者之间的联系,并在此基础上说明了实现电子商务运作与实施ERP系统是密切相关的,而且ERP系统与电子商务的集成是必要的。