查询词典 mathematic

Experimental research on semi liquid lubricant used on worm wheel;2. The Design and the Development of the Calorimeter for Measuring Thermal Conductivity of Liquids;3. Based on the analysis of the flowing liquid it puts forward the mathematic model of Underground Coal Gasification and gives advice to every equation.

依据有关文献和调研资料，对国内外煤炭地下气化的发展历史及现状进行了介绍，阐述了煤炭地下气化的原理，分析了煤炭地下气化"三带"特征，在对煤炭地下气化流体流动分析的基础上，提出了煤炭地下气化场的数学模型并对其中各项的确定提出了建议。

Theoretically, the width of the scanning line is equal to the width of melting zone and a mathematic model is set up.

扫描线宽理论上应等于熔融区的宽度，并在此基础上建立了一个数学模型。

The acquirability of the data is the condition for applying it. With a mathematic index system of business analysis based on multi-criteria evaluation,the modle of designing business analysis GIS data base is drawn out involving multi-criteria evaluation,establishing indexes,standardizing and diffusing index value. The paper finds the feasibility of applying the business analysis GIS data base in to Xuzhou City.

基于GIS多准则评价法对商业分析活动进行数学抽象，建立基础数据指标体系，对指标值标准化、指标值空间扩散方法以及商业分析的算法流程进行研究，形成了构建商业分析GIS基础数据平台的模式，以徐州市商业分析GIS基础数据平台的构建为例，实证该模式的可行性。

The drum water level is an important variable to be controlled, it is hard to get the mathematic model of the water level with adjustive process, it is characteristic of nonlinearity, instability and time lag.

而模糊控制不要求知道被控对象的精确数学模型，只需要操作人员的经验知识及操作数据，鲁棒性强，非常适合用于非线性、滞后系统的控制。

Evaluating three fracture models and the result of electrical analogy. electrical analogy to the production potential of vertical fractured wells is a kind of analogy between mechanism modeling and scale modeling, the result of it is approximative and the shape of the curve is relatively good, but it is relatively bad in quantification, it can be replaced by the result of mathematic simulation.

对三种裂缝模型以及电模拟结果进行了理论评价，认为对垂直裂缝井产能的电模拟是一种介于机理模拟和比例模拟之间的模拟，其给出的模拟结果是近似的，曲线形状比较好，但定量结果比较差，可以通过建立数学模型，用数学模拟结果取而代之。

But the mathematic relation between the negative pore water pressure and the aquiferous rate of soil hasn't a conclusion internationally.

对测得的负压力和土壤含水率之间的数学关系探讨，目前国内、外还处于空白。

Secondly, the paper set out the methodology and basic principals for evaluating the sustainable transport development in accordance with the implications of sustainable transport development. The paper aimed at researching the index systems, methodology, and modes of sustainable road transport development evaluation, and established the mathematic modes with several practical indexes such as transport concinnity, road transport resource saving, road environmental and bionomical protection indexes, with which the sustainable development statuses of road development in China are able to individually or comprehensively evaluated.

本文重点研究提出了定量评价公路交通可持续发展能力的指标体系、理论方法和具体模型，提出了实用的交通适应能力分指数、公路交通资源节约能力分指数、公路交通环境生态保护能力分指数、公路交通经济财务发展能力分指数、公路交通安全控制能力分指数等指标计算模型，从这几个角度能够逐项和综合评价我国交通可持续发展状况。

In the end,the mathematic correlative formula was proposed and experimental result was agreed with calculational result.

最后提出了脱硫效率数学关联式，计算值和实验值吻合较好。

The technique of CAE about injection molding is based on polymer processing rheology and conductive calorifics. It simulates the actual process of melt filling, packing and cooling by setting up mathematic and physical models about melt flowing and heat transmitting in the mold cavity, and working out the results by the theory of numerical value analysis. It can also list the processing parameters quantificationally such as pressure, time, temperature, speed, etc, and reflect the results visually by computer figures.

注塑模CAE技术是根据塑料加工流变学和传热学的基本理论，建立塑料熔体在模具型腔中的流动、传热的数学物理模型，利用数值分析理论构造其求解方法，模拟出实际成型中熔体的动态填充、保压、冷却过程，定量地给出成型过程的状态参数(压力、时间、温度、速度等)，并利用计算机图形学的技术，可形象而直观地反映出分析的结果。

This article referred to the classificational idea to discuss, and combined plenty of cases to explained the importance of the classificational idea when we solve some mathematical questions,also raised the principles and criterions of implement mathematical thoughts, with more and more useful ideas apply in the education practises,primary school students will set their mathemetical consciousness,train their quality in mathematic.

本文专门讨论分类思想，结合大量实例系统地阐述了分类思想在解决数学问题中的重要性，并提出了在课堂中渗透分类思想的原则和标准，以期这种数学思想能够更多地，更有效地运用到教学实践中去，从而树立小学生的数学意识，培养他们的数学品质。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。