查询词典 mathematical analysis

The measures for reducing thermal conductivity were shown in the thesis through the analysis of the mathematical model of thermal conductivity, including: addition of dopant atoms, increasing porosity and minishing coating thickness.

通过分析导热系数的数学模型，分别从添加掺杂物、孔隙率和涂层厚度的角度提出了降低导热系数的方法。

In this paper a method for calculating risk of exceeding criterionin river was put forward on the basis of mathematical simulation analysis for toxicants'leaking behaviour.

在对有毒物质河流泄漏行为进行数学模拟分析的基础上，提出了一种计算河流断面超标风险的方法。为进一步确保饮用水水质的安全提供了可靠保证

This article through to the small leaf oak branch moisture contentdetermination and the analysis, take the small leaf oak's bough highlyas an independent variable, take the corresponding high branchmoisture content as the dependent variable,Uses the linear theory to construct the bough moisture contentestimation mathematical model, studies the small leaf oak boughmoisture content the distributed rule.

本文通过对小叶青冈主干含水率的测定和分析，以小叶青冈的树干高度为自变量，以相应高度的主干含水率为因变量，采用线性理论构建树干含水率估测数学模型，研究小叶青冈树干含水率的分布规律。

Based on the analysis of the green properties of oil treatment equipment, the mathematical model of the assessment of the green properties is established.

通过对油处理设备的绿色性分析，建立了其绿色性评价的数学模型，并对两种类型的油处理设备进行了绿色性综合评价。

Based on an analysis on their principles and basic structures, this paper proposes a dynamic mathematical model of thermal system of moisture separators.

对汽水分离器的基本结构和原理进行分析，建立了热力系统的动态数学模型。

Methods This sample consists of 73 male Chinese han individuals whose ages have been known. Eight positions were selected from their radiograms which have been divided into three or six grade and then set up a mathematical model to deduce age by multiple linear regression analysis.

方法对73例已知年龄的中国汉族男性甲状软骨进行软X线摄片和X线摄片，从摄片上选择8个与年龄变化关系较为密切的观察部位，每个部位又划分成3至6个等级，然后采用多元线性回归方法，建立其推算年龄的数学模型。

Trp and lac operons were usedsas the research object in this paper and two extended mathematical models were proposed on the basis of previous works. The parameters of the model were determined and the results were analyzed. A steady-state optimization model of tryptophan biosynthesis was established based on indirect optimization method. The network analysis was used to lac operon system.

本文以色氨酸操纵子和乳糖操纵子为主要研究对象，在前人的研究基础上建立了较为全面的新的数学模型，确定了模型参数，并对计算结果进行了分析，建立了稳态的优化模型，并利用间接优化法对色氨酸生产过程进行优化；利用网络分析法对乳糖操纵子系统进行分析。

As the analysis and measurement of yarn evenness occupies special importance to the quality controlling of many textile products, three main problems on the topic, which are: the mathematical modelling of the ideal slivers and yarns, the digital algorithms for measuring variance-length curves, spectrograms and imperfections, and the system design of the yarn evenness tester of a digital type, are studied in the dissertation mainly from the viewpoint of the subject of signal processing with the applications of the theory of stochastic processes and the technique of wavelet analyses.

纱线条干均匀度的分析和测量对纺织品质量的控制和提高具有重要的意义。本论文从信号处理的角度出发，应用随机过程理论和小波分析方法，着重研究了条干均匀度分析和测量中的二个主要问题，即理想纱条的数学建模问题和变异曲线、波谱图及疵点的数字测量问题，并进行了数字型条干均匀度测试仪的设计和研制工作。

In this thesis, on the basis of theoretical analysis, numerical simulation and test study, the working principle and working process of central tube explosive ejection device and combustion gas ejection device equipped with star-shaped frame are analysed, the mathematical model of the inner ballstics of ejection devices and dynamical ejection model of submunition are established.

本文在理论分析、数值模拟与试验研究三者相结合的基础上，分析了中心管式爆炸抛撒装置与星形框式燃气抛撒装置的作用原理和作用过程，建立了抛撒装置内弹道的数学物理模型以及子弹抛撒动力学模型。

Based on the analysis of formation process of enami wood flour,and the geometry of cell wall thickness will be quantitative calculate by mathematical parameter of changes in cell of enami wood fiber under the low-power formation process.

在不同位置的细胞体形成的纳米木纤维，其物理力学性能是不一样的，亚纳米木粉(木材粉碎到1 000~20 000nm之间)为典型的天然多孔材料，将广泛地应用于建筑、家具、复合材、胶粘剂、填料等方面[2]。

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。