查询词典 mathematical analysis

Application of partially discontinuous fitting function in analysis and display of geological curve surface, advancement of chinese mathematical geology.beijing: press of geology,

局部间断拟合函数在地质曲面分析和显示中的应用，中国数学地质进展。北京：地质出版社，1995，14-23

The limit analysis of 3-D structures is formulated as a discrete nonlinear mathematical programming problem with equality constraints by means of finite element technique.

当前极限与安定性研究的一个重要课题是研究应用的策略，寻找切实可行的计算方法，使极限与安定性理论得以在工程实际中应用。

This paper introduces the food refrigerated theory and the basis of the current industry refrigerated developments in the situation; And then in the long cylindrical-shaped food heat conduction process and the mathematical model using the method of differential thermal conduction equations for discrete, Programming come through long cylindrical-shaped food cooling process numerical solution; After further analysis of numerical solution of the test results; Finally, the impact of the cooling process food all relevant factors, such as moisture content, wind speed and temperature of the cooling medium for in-depth research, while comparing the different shapes of food to food cooling process.

本文首先介绍了有关食品冷冻冷藏的基础理论和目前冷冻冷藏行业的发展的发展概况；然后研究了长圆柱状食品热传导过程的数学模型并利用差分的方法对热传导方程进行离散，通过编程得出长圆柱状食品冷却过程的数值解；之后再分析解对数值解的结果进行验证；最后对影响食品冷却过程的各相关因素，如含水率、风速和冷却介质温度等进行了深入的研究，同时又对比了不同形状的食品对食品冷却过程的影响。

Indicating the main characteristics of production technology in mail process center. Knowing in detail of the computer model and simulation method of discrete event system; investigation of computer simulation software; comparison and analysis the advantage and disdvantage of the simulation software. Modeling and simulating the package sorting production line in Xinjiang Newspapers and Periodicals Emitting Office and analyzing the simulation result. Modeling and simulating the hanging sorting -production line in Urmqi Mail Processing Center and analyzing the simulationresultProposes a simulation design method for the mail center auto product line, and made a simulation design for package emitting auto product line in Xinjiang Newspapers and Periodicals Emitting Office. Modeling a mathematical model and simulate for the construction of the sorting table of package sorting machine, and proposes a scheme of discriminatingly setting the buffers of sorting table.

本文的主要工作如下：针对邮政业务，特别是邮件处理中心的邮政业务作详细的调查分析，指出邮件处理中心生产工艺的主要特征；通过详细的了解离散事件系统计算机仿真技术的研究方法，并对计算机仿真软件作了周密的调查，借鉴、分析比较其功能特性的优缺点后，根据实际情况选购了本论文所需的仿真软件工具；对报刊发行局包件分拣生产线作计算机建模和仿真，将仿真结果作分析总结；对邮件处理中心转运中心的推推分拣生产线作计算机建模和仿真，得到仿真结果并作总结分析；提出邮件处理中心自动生产线的仿真设计方法，对报刊发行局期刊发行自动化生产线作仿真设计；最后对包件分拣机上包台结构建立数学模型和计算机仿真，提出多级上包台区别设置缓冲区的方案。

Results To construct several combining multiple regression mathematical models that use the arrested extent of epiphysis of sternal end of clavical and six joints to assess the chronological age of living subjects in Chinese Han female teenagers, and establish some Fisher's discriminatory analysis equations which are used to determine whether the chronological age of Chinese Han female teenagers has been to 14, 16 and 18 years old or not.

结果 建立了我国汉族女性青少年利用锁骨胸骨端及6大关节骨骺闭合程度联合推断活体年龄的多元回归数学模型，推导出判定我国汉族女性青少年是否已满14、16和18周岁的Fisher's两类判别分析方程。

At present, the management and analysis of statistical data in the statistical departments of our country is based on the traditional mathematical methods and 2-D table, which are difficult to reflect the spatial distribution and the rule of the social economic phenomena.

目前，我国统计部门对统计数据的管理与分析是基于传统的数理统计方法和二维表格进行的，这种单一的表现形式难以反映出社会经济现象在空间上的分布情况与规律。

Based on the analysis of the key components of disc ditcher, the maximum lift height of the rotary blade shaft and the minimum size of the elevating device as the objective functions were introduced to establish a nonlinear mathematical model satisfiable to multiple constraint conditions of mechanical structure and agronomic demands.

为了解决圆盘开沟机在下地、过梗、爬坡过程中出现的旋耕刀易破损、刀盘支架易变形等问题，通过对其关键部件的分析研究，以刀盘轴最大提升高度和升降装置最小尺寸为目标函数建立数学模型；用Matlab软件对其结构尺寸进行参数优化。

In this paper, we focus on such aspect as mathematic expression in DNA and protein sequences, similarity analysis and phylogenetic tree structure. Mainly include:After summarization mathematical methods of DNA and protein sequences in detail, the paper presents a 2D graphical representation of DNA sequences based on dual nucleotide, and graphical representation of the distribution curve of sequences with nucleotide sequences of the classification.

论文在DNA和蛋白质序列的数学表示、相似性分析和进化树的构造等方面进行研究，主要工作包括：在对DNA和蛋白质序列的数学表示方法进行较为详细的综述后，提出了一种基于双核苷酸的DNA序列2D图形表示方法，利用核苷酸的分类给出了序列的分布曲线图形表示。

Nonlinear analysis of ecological system is an important part of Mathematical ecology.

生态系统的非线性分析是数学生态理论的一个重要组成部分。

The mathematical model and analysis concerned in eddy current of kicker's core in the designing is presented.

文章介绍了铁氧体冲击磁铁设计过程中建立的涡流问题的数学模型及关于涡流问题分析。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。