查询词典 mathematical analysis

It can provide verisimilar shift load for propulsive motor, and simulate the stable and dynamic property of the marine propeller that works under different conditions well and truly.Firstly this paper introduces the character of propeller and the effect between propeller and ship. Secondly provides a design of this simulating apparatus and selects some important parts according to the request of lab. Thirdly develops the simulating systems mathematical model to make engineering design and analysis.

本文首先分析了船用螺旋桨的工作特性以及与船体的相互作用；其次根据其特性制定了仿真装置的设计方案，并根据电力推进实验室的要求对仿真装置的主要部件进行了选择：然后建立了仿真系统的数学模型并对其进行工程设计及分析；最后详细介绍了仿真装置的DSP控制系统与主回路系统，并针对各部分的具体要求提供了相应的解决方案。

The paper analyzes the fundamental characteristics of walking beam reheating furnace"s velocity control system in theory, and exactly builds the mathematical model of walking-beam-type reheating furnace"s velocity control system by mechanics analysis. It analyzes capacity speed governing systems dynamic characteristic and anti-interference performance in load. It also simulinks the system.

本文从理论上分析了步进梁加热炉速度控制系统的基本特性，并通过力学分析比较精确的建立了步进梁加热炉速度控制系统的数学模型，分析了泵控容积调速系统的动态性能和抗负载干扰特性，并进行了仿真。

Percussive drilling ; rotary drilling ; penetration rate ; wave theory ; rock mechanics ; mathematical model ; force analysis

冲击钻井；旋转钻井；机械钻速；波动理论；岩石力学；数学模型；受力分析

The features of the fractured medium and the rock matrix in the fractal composite reservoirs are describes with the fractal dimension (which describes the geometric features) and the fractal index (which depicts the connectivity of the fractal fluid flow network); An analysis mathematical model of well testing is proposed for inconstant flow rate with the closed outer boundary and the wellborn storage and the skin effects.

分形是研究自然和社会中广泛存在的零碎而复杂、无序、不规则、非线性、不光滑，具有自相似、自仿射和标度不变性的复杂系统、图形、构造、功能、性质和复杂现象，及隐藏在这些复杂现象背后的，具有精细结构、内在随机性，局部与整体本质联系的，被传统线性科学排斥在外的不规则"病态"，不可微的事体，形体。

A regression analysis of Agaricus blazei by those as keep fresh was used and a mathematical model was obtained.

此外，还对该处理的状态参数进行了分析和优化。

The variograni of No.100 ore-body in three directions have been calculated, and the variogram curves were formulated. All these curves are leap type. The mathematical models of grade variability of Sn. Pb.. Zn.. Sb and Ag have been established respectively, the structural analysis of No.100 ore-body indicates the ore-body varies band anisotropically.

计算并拟合了100号矿体三个方向的变异函数，各变异函数曲线均为跃迁型，分别建立了Sn、Pb、Zn、Sb、Ag五元素的品位变化的数学模型，结构分析表明100号矿体呈带状各向异性变化。

This article rests on the BANT network-based planning techniques the research results, elaborated from the network curve model and the mathematical model and the network system function three aspects the network hierarchical structure theory and with the structure-symbol circuit analysis inner link, pointed out it is the basic theory which the project management software develops; Based on the BANT-BCWP1.0 software, is recognized from two aspects of the project management software development platform and the network ccommodating identification and is introduced the network hierarchical structure theory in the BANT project management software development practice.

本文依据BANT网络计划技术的研究成果，从网络曲线模型和数学模型及网络系统功能三个方面阐述了网络层次结构理论及其与结构符号网络理论的内在联系，指出它是项目管理软件开发的基础理论；依据BANT BCWP1.0软件，从项目管理软件的开发平台和网络相容辨识两个方面介绍了网络层次结构理论在BANT项目管理软件开发实践中的应用。

This article rests on the BANT network-based planning techniques the research results, elaborated from the network curve model and the mathematical model and the network system function three aspects the network hierarchical structure theory and with the structure-symbol circuit analysis inner link, pointed out it is the basic theory which the project management software develops; Based on the BANT-BCWP1.0 software, is recognized from two aspects of the project management software development platform and the network ccommodating identification and is introduced the network hierarchical structure theory in the BANT project management software development practice.

贵州省电子计算机软件开发中心，贵阳 550002）本文依据BANT网络计划技术的研究成果，从网络曲线模型和数学模型及网络系统功能三个方面阐述了网络层次结构理论及其与结构符号网络理论的内在联系，指出它是项目管理软件开发的基础理论；依据BANT BCWP1.0软件，从项目管理软件的开发平台和网络相容辨识两个方面介绍了网络层次结构理论在BANT项目管理软件开发实践中的应用。

In this thesis, by the means of calefactive oxidation test of coal samples, the characteristics of different samples spontaneous combustion are analyzed; the infrared spectrum is assimilated to review the rule that coal function corps change in the process of coal low-temperature oxidation ; by the means of thermal analysis by differential scanning calorimeter, thermogravimeter, the kinetic function of coal low-temperature oxidation in spontaneous combustion process are analyzed , depend on the device, the mathematical model of coal spontaneous combustion is developed, the model are dealt with, Finally, the temperature field and the velocity field with velocity of the entry flow is got.

论文通过煤的低温氧化和自燃过程，实验研究了煤的低温氧化气体产物特征和变化规律，研究得出了煤的低温氧化过程中气体生成量与氧气消耗量与煤温之间的指数关系式；在煤的低温自热氧化过程中，对煤的官能团等化学结构的变化研究，揭示了煤炭低温自热氧化化学基团变化规律；采用非等温TG和DSC法研究了烟煤低温氧化动力学，得出了煤低温氧化分布活化能及煤低温氧化机理函数的变化规律；建立了煤低温氧化自热数学模型，并对该模型进行数值解算，可得煤样的温度场与速度场随入口风量变化情况。

Through simple correlation and progressive regression analysis, with circs of leaves growth, sets up the mathematical simulation model between diameter, height growth of Calophyllum inophyllum L. and meteorological conditions, educes the appropriate meteorological conditions indexes of Calophyllum inophyllum L..

通过简单相关及逐步回归分析，建立了红厚壳的围径、株高生长量与气象条件间的数学模拟模型，结合红厚壳叶片的生长情况，得出了红厚壳生长适宜的气象条件指标。

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。