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The stress analysis and the fatigue life loss calculation of steam drum are carried out in this article. A simplification formula is proponed to calculate the main stress and is used in configuration of DCS. The rain-flow method is used to count the fatigue cycle, which can satisfy the need of on-line monitoring.

本文对其进行了应力分析和疲劳寿命损耗的计算，并提出主应力计算的简化公式用于DCS组态，采用雨流法作为在线计算的疲劳计数方法，满足了寿命损耗在线监测的要求。

At first, setting up the arith relation between the signal input and the signal output of the generalized multi-carrier system of the Discrete Fourier Test spread-spectrum; then setting equilibria parameters of the frequency field equilibria subcarrier of the generalized multi-carrier system of the DFT spread-spectrum according to channel frequency response, channel noise variance and equilibria method; then calculating average power of useful signal, interferential average power between signals as well as noise variance of the generalized multi-carrier system receiving terminal of the DFT spread-spectrum according to the arith relation as well as the frequency field equilibria parameter, and recomputing available signal information noise ratio, so as to calculate the available signal information noise ratio of the generalized multi-carrier transmission system accurately, the method for estimating the available signal information noise ratio can be used for link self-adapting transmission solution of the generalized multi-carrier system based on Discrete Fourier Test spread-spectrum and radio material management.

一种DFT扩频的广义多载波系统的SINR估计方法，其通过首先建立所述离散傅立叶变换扩频的广义多载波传输系统的信号输入输出之间的数学关系，然后根据信道频率响应、信道噪声方差和均衡方法，设定所述DFT扩频的广义多载波传输系统的频域均衡子载波的均衡系数，再根据所述数学关系及所述频域均衡系数分别计算所述DFT扩频的广义多载波传输系统接收端有用信号的平均功率、信号间干扰的平均功率以及噪声方差，再计算有效信干噪比，如此以实现对广义多载波传输系统的有效信干噪比的准确计算，该有效信干噪比估计方法可用于基于离散傅立叶变换扩频的广义多载波传输系统的链路自适应传输方案和无线资源管理方面。

This thesis collects 21 refurnishing work samples, using SPSS program and by means of regression analysis to estimate the generation coefficient for refurnishing waste, it's 0.139t/m2 or 0.231m3/m2 (assume the density of waste is 0.6t/m3), based on the building area. We can also use the coefficient mentioned above to calculate the theory quantity for refurnishing works.

有关装修工程营建废弃物产生量的推估模式，本研究经访谈业者，汇整筛选21笔装修工程样本数据，利用SPSS统计套装软体，以建物面积为基底，经回归分析得到装修工程营建废弃物产生系数为0.139 或0.231 （设废弃物密度为0.6 ），此系数可作为估算装修废弃物之「理论数量」的参考数据。

4Basing on research findings of indoor experiment, Improved Convert Permeability Coefficients Method considering of crossed karst and cranny was put forward, FEM program KARSTCNPM used to calculate seepage in saturation and non-steady karst was reprogramed.

根据室内试验研究成果，提出了考虑岩溶与裂隙交叉局部水头损失的改进折算渗透系数法，改编了饱和非稳定岩溶渗流场有限元计算程序KARSTCNPM。

Based on the extended UNIQUAC equation which is commonly used to calculate the liquid activity coefficients of volatile electrolyte system, the 揼roups of species?was proposed to replace the real species and it makes the number of interaction parameters used in the equation for the multicomponent volatile electrolyte system obviously reduced.

尽管尿素工业的发展历史较长且技术也日趋成熟，但能源的危机和日益严重的环境污染促使人们不能停留在现有的技术水平，而应不断提出新理论，探索新方法，使这个基础工业能得到更新更完善的发展。

State the centerline starts to calculate, up, next, left and right, each side is 4, the type of 16 tooths on the side 3002

申中线算起，上、下、左、右，每边 4颗， 16 颗牙齿的类侧面3002

Since Wolf put up the trajectory algorithm to Lyapunov exponent in 1985, how to calculate the Lyapunov exponent with accuracy has become a very important question. Based on the theoretical algorithm of Zuo Binwu, the matric algorithm of Lyapunov exponent is given, and the results with the results of Wolfs algorithm are compared.

Lyapunov指数l是定量描述混沌吸引子的重要指标，自从1985年Wolf提出Lyapunov指数l的轨线算法以来，如何准确、快速地计算正的、最大的Lyapunov指数lmax便成为人们关注的问题，虽有不少成功计算的报导，但一般并不公开交流。

So, to get the change in logical coordinates that occurs from moving the mouse from the last point to the current point, we simply calculate them by finding the deltafrom the previous position to the current position on both the x- and y-axes.

因此获取到鼠标从前一个位置移动到当前位置的逻辑坐标的变化值。我们可以很容易的计算得到鼠标移到在x和y方向上的变化值。

At first FEM is used to calculate the deformation of the right abutment of the Danjiang arch dam; and the influence of the fault F1 on the deformation of the abutment is analyzed emphatically.

用有限元计算了单江拱坝右坝肩岩体的变形，着重分析了断层 F1 对于坝肩岩体变形的影响。

And the modified method based on activity coefficient and the EOS combined with associated theory were used to calculate the experimental data.

同时，还分别使用改进的活度系数法和缔合理论对实验数据进行了计算。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。