薪酬管理系统设计与实现

用PowerBuilder8．0中的OLE技术对Excel表格中的工资、奖金数据进行验证并导入数据库,对薪酬数据进行汇总、分析,为领导的决策提供依据,使薪酬制度更加合理规范,从而调动员工的积极性与创造性。     

基于Cosserat理论的微观结构对非均质材料有效性能的影响分析

为更有效地研究具有周期性微观结构的非均质材料平面应变问题,用基于Cosserat理论的渐进均匀化方法得到微观结构对非均质材料有效性能的影响情况．计算结果表明,单胞内夹杂体的形状对有效杨氏弹性模量、有效泊松比、有效Cosserat弹性常数和有效材料特征长度有影响,并且随着夹杂体与单胞体积比的增大而影响明显．     

悬臂梁大变形的向量式有限元分析

为分析悬臂梁的几何非线性行为,用向量式有限元法将结构离散成质点系以及质点间的连接单元.根据牛顿第二定律得到每个质点在内力和外载荷作用下的运动方程以及悬臂梁在每个时刻的变形用该时刻质点系的运动表示.结合刚架元的节点内力和等效质量得出质点位移的迭代计算公式,采用FORTRAN编制计算程序,对悬臂梁分别承受集中载荷和弯矩下的大变形进行算例分析.计算结果与理论解吻合较好,表明该方法能很好地模拟分析悬臂梁的大变形.     

VB实现数字小写转大写算法

在开发一些财经类管理信息系统时,常常遇到人民币阿拉伯数字按照汉语习惯和规定自动转换成大写格式的问题。本文提供了一种简洁明了的算法,并在VB环境下完整实现。     

化学和化工深层网信息挖掘技术的研究与应用

针对化学和化工领域深层网信息量大、专业性强,但是难于检索的问题,本文研究了深层网信息挖掘的相关技术及化学和化工深层网的特点,并将其综合应用于对化学和化工深层网信息资源的挖掘系统中。该系统通过提取表单标签并结合化工物性词典种子合成绝对URL地址的方式,实现了对深层网入口表单的自动填写和提交功能,采用结合了XPath文档定位语言和XSLT数据逻辑处理模式初步实现了对返回的结果页面中化学和化工数据的提取。     

Mixed self-assembled lipopolymers with spacer lipids enhancing sensitivity of lipid-derivative QCMs for odor sensors

An odor sensing system using a quartz crystal microbalance (QCM) sensor array and pattern recognition technique has been for years a main research topic in our group. For the general field of artificial olfaction using acoustic-wave based sensors such as QCMs it is vital to search for novel sensing materials. Here we present recent results of our ongoing study on application of pegylated lipids as coatings for QCM odor-sensors. The method presented herein is based on self-assembling of lipids and lipid-derivatives on the QCM surfaces. The disulphide-terminated lipids and lipopolymers are co-chemisorbed onto gold electrodes of QCM sensors by simple immersion in ethanolic solutions. This creates porous supports onto which additional layers of lipopolymers are physisorbed. The method allows for fabrication of lipopolymeric QCM odor-sensors with enhanced sensitivity to odorants, capable of very good discrimination among odorant samples—according to the functional group of an odorant.     

An atomistic-continuum inhomogeneous material model for the elastic bending of metal nanocantilevers

The equivalent elastic modulus of nanocantilever can be obtained using atomistic simulation. However, the use of this modulus to predict the bending of nanocantilever results in significant error compared with direct atomistic simulation. The error originates from the surface effect. In our current work, the nanocantilever is considered as an inhomogeneous continuum material. The distributions of materials parameters at the cross-section, such as atomistic elastic constants, are calculated from atomistic simulations. These atomistic-information-based materials parameters are used as inputs to continuum model. A numerical example case validates the presented model and methodology. To correctly predict the structure-property relations of elemental nano-structures are very important for the design of nano-devices. Our continuum model includes nano-effects and provides another way to study nanomechanics.     

Design of BOM configuration for reducing spare parts logistic costs

This paper proposes an approach to reduce the total operational cost of a spare part logistic system by appropriately designing the BOM (bill of material) configuration. A spare part may have several vendors. Parts supplied by different vendors may vary in failure rates and prices – the higher the failure rate, the lower the price. Selecting vendors for spare parts is therefore a trade-off decision. Consider a machine where the BOM is composed of s critical parts and each part has k vendors. The number of possible BOM configurations for the machine is then k^s. For each BOM configuration, we can use OPUS10 (proprietary software) to calculate an optimum inventory policy and its associated total logistic cost. Exhaustively searching the solution space by OPUS10 can yield an optimal BOM configuration; however, it may be formidably time-consuming. To remedy the time-consuming problem, this research proposes a GA-neural network approach to solve the BOM configuration design problem. A neural network is developed to efficiently emulate the function of OPUS10 and a GA (genetic algorithm) is developed to quickly find a near-optimal BOM configuration. Experiment results indicate that the approach can obtain an effective BOM configuration efficiently.     

表格型票据中框线检测与去除算法

字符笔画与表格线的粘连或交叠是表格型票据中普遍存在的现象,严重影响了后期票据自动识别处理的性能.现有方法大多基于二值图像,未能充分利用灰度图中的框线特征.基于票据图像中的框线特征,提出一种表格型票据预处理中的框线检测与去除算法,首先充分利用票据灰度图像的特点准确地检测出框线,再采用一种连通链结构描述叠加后的框线区域,然后对交叠进行判断和标记,根据标记保留字符笔划去除框线干扰.经过实际银行支票图像测试证明了算法的有效性和鲁棒性.     

基于C/S体系结构的网络多媒体教室管理系统

多媒体教室管理系统是典型的信息管理系统(MIS),其开发主要包括后台数据库的建立和维护以及前端应用程序的开发两个方面。该系统采用了面向对象的程序设计语言Delphi6.0实现。