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A convolution integral factor method is introduced to eliminate the checkboard pattern and porous material in the topology optimization. 通过数值计算验证了理论和算法的有效性;
integrating factor method 积分因子法
Keywords track irregularity;track spectrum;general track spectrum;fitting track spectrum;track irregularity prediction;integrating factor method;time-frequency analysis;wavelet;HHT;synthesized assess; 轨道不平顺;轨道谱;通用轨道谱;拟合轨道谱;时频分忻;小波;HHT;轨道不平顺预测;综合因子法;综合评定;
Based on total heat exchange factor method,the online control process for reheating furnace was studied by simulation. 以总括热吸收率法为基础,对连续加热炉在线控制过程进行了软件仿真研究。
The basic principle and its application of chronological loop curve method, later water level method, adjusting factor method and fluctuating ratio method were analyzed here. 介绍连时序绳套曲线法，水位后移法，校正因数法，涨落比例法的基本原理及其在梧州水文站的应用分析。
The water quality of East Lake was evaluated with area weighting factor method (AWFM) based on the latest two years' monitoring data. 根据近两年的监测数据,采用面积加权法对东湖水质状况进行了评价,评价方法科学合理,评价结果客观可信。
From Duhamel integral, the fuzzy-stochastic dynamic response is derived by using fuzzy factor method combined with mode superposition method. 同时考虑结构参数模糊性和外载荷幅值的模糊随机性，利用模糊因子法和振型迭加法求出了动力响应模糊随机变量；
In the simplex method of linear programming,there is a big M method(the penalty factor method) for finding an initial feasible basis. 在线性规划的单纯形法中,为求初始的可行基有著名的大M法,即惩罚因子法。
Integrating factor of Bernoulli equation is found, and the formula of its integral from is presented in the paper. 文章找出了贝努利(Bernoulli)方程的积分因子,给出了其积分形式的通解公式。
Through theoretical research combined with simulation results of peak miss distance method and influence factor method gave assessment standards to the precision of TADS. 通过理论研究并结合脱靶量峰值分析法和影响因子分析法的仿真结果，给出了稳瞄系统照射精度的评定标准。
The MPSO employs local version constriction factor method and global version inertia weight method simultaneously to achieve relatively high performance. MPSO同时采用局部模式压缩因子方法和全局模式惯性权重方法以获得相对较高的性能。
Given that product life follows lognormal distribution, fatigue life scatter factor method (LSF) is applied to evaluating the reliability of product with 1 or 2 samples. 在假设产品寿命服从对数正态分布情况下，提出了用分散系数法评估极小子样产品的可靠性。
Through analyzing the surveying data of shallow groundwater quality of Datong Basin,we can known that these integrating factors have reflected ground water quality. 通过对盆地浅层地下水水质实测资料的分析,了解了这些因素综合影响着地下水水质。
Given that product life follows lognormal distribution,fatigue life scatter factor method (LSF) is applied to evaluating the reliability of product with 1 or 2 samples. 在假设产品寿命服从对数正态分布情况下,提出了用分散系数法评估极小子样产品的可靠性。
The existential theorem of types of integral factor and calculating formual are given in this paper, which amplifies the conclusions in the reference. 摘要本文给出了几类积分因子的存在定理和计算公式，所得结论是对相关文献问题的推广。
variate separated type integrating factor 变量分离型积分因子
Methods The releasing behaviors of dipyridamole sustained-release tablets were investigated with single factor method. 方法采用单因素方法考察不同辅料对双嘧达莫缓释片释放度的影响,并通过正交实验设计,优化处方工艺。
Results The reliability allocation method of integrated factors in a series system is proposed and elucidated with engineering product. 结果提出了综合因子分配方法，结合工程实例进行了说明。
In order to give reference to the government, with factor method the relationship of COD(subscript MN), BOD5, DO, NH4N, NO2, NO3, TP,TN and PO4 is analyzed in. eleven stations of Tai Lake. 摘要采用多元统计因子分析方法，对太湖11个监测站COD(下标MN)、BOD5、DO、NH4N、NO2、NO3、TP、TN、PO4等9个水质指标进行因子分析计算，探索其相关关系，为水资源规划、水环境治理提供参考。
Suppose + is an arbitrary constant, try to derive the integral factor of a shape + of a class of differential equations ,such as + (+ is a constant), and its general solution. 设+是任意常数,+，试求出一类微分方程+的一个形如+ ( +是常数)的积分因子，并进而求出其通解。