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From the burden increased aspect clarify set up the necessity of station, then pass to drew up to set up generalize of transformer substation and line direction to consider, and pass to analysis of carry the data, safety, economic and dependable consider and made sure the 110 kV, 35 kV, 10 kV and station use electricity of lord connect line, then again through burden calculation and power supply scope made sure main number, capacity and model number of the transformer set, also in the meantime make sure the station uses capacity and model number of transformer, end, according to biggest keep on work electric current and short circuit calculating of calculation result, to the high pressure Rong break a machine, insulate a switch, female line, insulate son and wear a wall set tube, electric voltage with each other feeling machine, electric current with each other the feeling machine carried on choose a type, thus completed a 110 kV electricity a part of design.
本文首先根据任务书上所给系统与线路及所有负荷的参数,分析负荷发展趋势。从负荷增长方面阐明了建站的必要性,然后通过对拟建变电站的概括以及出线方向来考虑,并通过对负荷资料的分析,安全,经济及可靠性方面考虑,确定了110kV ,35kV ,10kV 以及站用电的主接线,然后又通过负荷计算及供电范围确定了主变压器台数,容量及型号,同时也确定了站用变压器的容量及型号,最后,根据最大持续工作电流及短路计算的计算结果,对高压熔断器,隔离开关,母线,绝缘子和穿墙套管,电压互感器,电流互感器进行了选型,然后进行配电装置和平面布置的设计以及防雷的设计,从而完成了110kV 电气一次部分的设计。
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Theretore the finite element method of calculating the temperature field of rolling tire and the computer programs presented by the paper is reliable. Further work to study and improve the calculation to make error smaller should be done to get a faster, more precise and more reliable calculation program of temperature field for tire structure design.
因此,论文给出的滚动轮胎温度场的有限元计算方法及其计算程序是可靠的,研究和改进计算中产生误差的原因,使之更完善,必将可为轮胎结构设计等提供快速、精确、可靠的滚动轮胎温度场的计算软件。
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The application of calculating machine is not confined to the scientific calculation again, And even more used in control, Non- numerical calculation such as administration along with data handling and so on.
自1946年第一台计算机问世以来,计算机产业的飞速发展已远远超出了人们对它的预料,而随着Internet应用在全球范围内的日益普及,计算机的应用已不再局限于科学计算,而更多地用于控制、管理以及数据处理等非数值计算的处理工作。
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Bsed on real circumstances of TV transmitting station,the artiele presents a methodof calculation of field strength in case the radiowave is affected by ground objectsand meteorological conditions,and that of approximate calculation of field strengthIn penumbra areas,and so on,A method of calculating field strength in city is alsopresented with int...
文章从电视发射台的实际情况出发,介绍了电波受地物、气象等影响时的场强计算方法和半阴影区的近似场强计算方法等。还介绍了在城市的电波计算中,引入"建筑物密集度"参数的场强计算方法。
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In modern physics research, the calculus of variations has a broad application of law. As a solid mechanics, structural mechanics and computational mechanics of the theoretical foundation, it has important value in theory and practice on the mechanics; Variation method ruled out the perturbation of the restrictions can be widely used in many state-level and the state function in the calculation in the optical; Calculus of variations can be calculated with the parameters, we can guarantee the reliability of the results, can effectively reduce the workload of calculation, It can be said that the applications of calculus of variations are very broad.
在现代的物理学研究中,变分法有着广泛的应用:在力学上,变分法作为固体力学、结构力学及计算力学的理论基础,在理论上和实践上都有重要的价值;在光学上,变分法排除了微扰法的限制,可以广泛应用于诸多定态能级和态函数的计算中;在量子力学的应用中,具有可算出系统的参数,既可以保证计算结果的可靠性,又能有效地减少计算的工作量等的优点,可以说变分法的应用领域十分广阔。
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Regular Fractal Dimension Calculation is discussed by using Koch Curve and Cantor Ternary Set.Additivity of regular fractal dimension is discussed by continuation of Koch Curve with line and Cantor Ternary Set in vertical direction.CircumferenceArea,Variation,Grid and Radius methods of calculation statistical fractal dimension are introduced.
本文以科赫曲线与康托尔三分点集为例,讨论了有规分形维数的计算;以科赫曲线在垂直方向的两种拓展为例,讨论了有规分形维数的加和性;以周长—面积法、变量法、网络法与半径法为例,介绍了无规分形维数的计算方法。
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By discussing the position hypothesis of fractional-dimension derivative about general function and the formula form the hypothesis of fractional-dimension derivative about power function, the concrete equation formulas of fractional-dimension derivative, differential and integral are described distinctly further, and the difference between the fractional-dimension derivative and the fractional-order derivative are given too. Subsequently, the concrete forms of measure calculation equations of self-similar fractal obtaining by based on the definition of form in fractional-dimension calculus about general fractal measure are discussed again, and the differences with Hausdorff measure method or the covering method at present are given. By applying the measure calculation equations, the measure of self-similar fractals which include middle-third Cantor set, Koch curve, Sierpinski gasket and orthogonal cross star are calculated and analyzed.
通过讨论一般函数的分维导数的位置假设及幂函数的分维导数的形式假设,进一步明晰了幂函数的分维导数、分维微分及分维积分的具体方程形式,给出分维导数与分数阶导数的区别,随后讨论了基于一般分形测度的分维微积分形式定义导出的自相似分形的测度计算方程具体形式,给出了其与目前 Hausdorff 测度方法的区别,并对包括三分 Cantor 集合、 Koch 曲线、 Sierpinski 垫片及正交十字星形等自相似分形在内的测度进行了计算分析。
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Secondly,traditional calculation theory on configuration of main cable of cable suspension bridge was introduced such as parabola theory,segmental catenary curve method,segmental parabola method and segmental line method.At last,two calculation theories on the stability of bridge was put forth.
具体内容如下:(1)首先分析了影响自锚式悬索桥非线性的几种因素,然后介绍了悬索桥的传统线形计算理论——抛物线理论、悬索桥主缆线形计算的精确方法——分段悬链线方法以及分段抛物线法和分段直线法,最后介绍了桥梁稳定性计算的两种计算理论。
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Then the boundary element integral equation of interior and exterior form is deduced in detail, also the form with corner coefficient. The significance for numerical calculation and principle of the singular integral is analyzed, and a non-isoparametric transformation method is presented to calculate weak singular integral and Cauchy integral, the method presented provides us a very simple way to computer the two kinds of singular integral of Helmholtz boundary integral equation, and it is easy to program in computer. After the difficulty of the calculation for multi-frequency of Helmholtz boundary element is explained, a method named SECHIEF (Series Expansion Combined Helmholtz Integral Equation Formulation), which is focused on the computational efficiency, is presented.
对结构声辐射的边界积分方程的内部形式与外部形式进行了详细的推导,给出了角点系数的计算方法与边界积分方程的形式,在此基础上,分析了奇异积分产生的原理及其对数值计算的重要性,提出了一种计算奇异积分的非等参(来源:Ae8a8BC论文网www.abclunwen.com)单元的变换方法,该方法给Helmholtz 声学边界积分方程中的弱奇异积分与Cauchy 奇异积分的计算以及编程提供了极大便利。
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And design, introduced the nesting parts map, location design, the calculation of punching force and the calculation of center of pressure.
并在设计中,介绍了零件的排样图、定位设计、冲裁力的计算和压力中心的计算。
- 相关中文对照歌词
- Calculation Theme
- The Calculation
- 推荐网络例句
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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.
采用不同浓度K2CrO4(0,0.4,0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗,测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。
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By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.
通过分析数学形态学在图像中的理论基础,研究二值图像的形态分析算法,探讨最小结构元素的两种基本形态:膨胀和腐蚀;分析了数学形态学复杂算法的基本原理,把数学形态学的部分并行处理理念引入到家实际应用中。
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Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.
有一个良好的政策环境,房地产,二级和三级市场的发展更加迅速改善。