应用数学

Considering the characteristics that the effect of education for economic is unseen, lasting period and multi-sided and the fact of the multi-sided and reciprocal complication, it is a challenge that measuring the education contribution for economic system which is a complicated, large, fuzzy and unstable system.

该项目试图科学地衡量教育对经济的贡献以及将神经网络和模糊系统等先进数学工具引入到社会科学领域应用之中。

The pseudostatic method, Newmark method,numerical simulation and method of comprehensive evaluation combined with post-seismic-hazards survey ,experimental research ,probability analysis ,reliability mathematics, and other methods are included.

包括拟静力法、Newmark法、数值模拟法、模型试验研究方法以及概率分析、可靠性数学分析等其他研究方法的应用及特点。

The research results show that as a meta-synthesis method for determining weights of region water resources allocation with distinct concept of mathematics and physics. MRIEM is handy and universal, its computation result is objective and reasonable, so it can widely be applied to theory and practice of different systems engineering.

结果表明：用MRIEM确定各子区域水资源分配权重，数学物理概念明确，方法简明、通用，计算结果客观、合理；MRIEM是一种从定性到定量综合集成的组合赋权方法，在系统工程理论与实践中具有一定的推广应用价值。

By soluting each level respectively, which makecomplex of construcing heat pump distillation process to be a better solution. By analyzing the thermodynamic properties of conventional distillation and heatpump distillation, mathematical model and computational method is established. Byoptimizing method of designing various structures, the most costeffective isdetermined.

通过分析常规和热泵精馏系统的热力学特性，建立了热泵精馏流程数学模型及优化设计方法，针对不同的热泵精馏流程结构采用不同的优化设计方法以获得最大的经济效益；为验证热泵精馏流程的可行性提供有利依据，建立了用于确定热泵精馏热集成方案的经济评价标准；将策略与优化设计算法相结合应用于热泵精馏流程，以实现构建较优热泵精馏流程。

Generally,construction projects are affected by uncertain factors,some of which are of fuzziness and can not be dealt with by CPM and PERT directly.

关键线路法是在数学上可以描述确定性、有向图和最长路线的网络模型，是确定工程项目进度的有效方法，也是工程实施阶段索赔分析与处理的必要工具，但是关键线路法无法直接应用到模糊系统。

A method to drive dipe by using inertial navigation is discussed in this paper. The mathermetic model ofinclination survey system, wnich codsis of three accelerometers and three magnetometers, and an approachto realize it are presented.

本文根据飞机定向的方法，讨论了惯性导航系统在确定油井姿态中的应用，并且推导出了由三个加速度计和三个磁通门构成的测斜系统的数学模型以及测斜系统的实现方法。

To meet the requirements for high performance of medium frequency inverter in special applications,a hybrid control scheme based on repetitive control and PI control is proposed.

针对中频逆变电源的特殊应用领域和对其较高的性能要求，提出了一种基于重复控制和PI控制的复合控制策略，并建立了中频逆变电源的数学模型，详细分析了重复控制系统的原理和结构，重点阐述了重复控制系统中的重复控制发生器和补偿器的设计方法，最后建立了该复合控制的系统框图。

The mechanism is expatiated about the generation and dissipation of charged particle in burned gas plasma, and a mathematical model of the spark plug ion current in SI engine is founded, based on the chemistry kinetics, thermodynamics and plasma physics. It founds a theoretic foundation for extensive application of the spark plug ion current signal.

基于这一基本思想，对燃气等离子体中带电粒子的产生和消失机理进行了研究和阐述，进而综合运用化学动力学、热力学和等离子体物理学的有关知识建立了点燃式发动机火花塞离子电流的数学模型，为离子电流的广泛应用奠定了理论基础。

Among them, it is even to move with revolve the teaching to learn in modern mathematics, physics, engineering, space material construction and geologies probe into, the house moves and detective etc. all contain extensive application.

其中，平移与旋转教学在现代数学、物理学、工程学、空间物质结构及地质探测，房屋移动及侦探等方面都有广泛的应用。

Firstly, on the basis of defining the characteristics of project and reviewing the mathematical models for RCPSP, we constructed the mathematical model for RCPSP under the condition that there is non-fixed duration and splittable tasks in project; In order to solve above model, we emphatically discussed the basic principle of the swarm intelligence algorithm--the particle swarm optimization algorithm as well as improvement research for current algorithm, and then proposed a new improved particle swarm optimization algorithm and analyzed its application process in the resource-constrained project scheduling problem; Lastly, in order to confirm the validity of the model and the algorithm, we took an experiment based on 108 instances that produced by problem instance generator which was developed by our team.

首先，在对RCPSP项目特征进行界定以及对项目进度优化模型回顾的基础之上，构建了基于活动工期不固定、任务可拆分特征的RCPSP的数学模型；为了求解上述模型，本文详细阐述粒子群优化算法(Particle Swarm Optimization，PSO)的基本原理以及当前对其改进的研究成果，提出了一种新的改进PSO算法，并对其在RCPSP的应用过程进行了设计；最后，为了检验模型的有效性及算法的优越性，基于梯队内部开发的案例生成器生成的108个算例，进行了仿真试验。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。