查询词典 entropy

By means of the Miedema formation energy model for binary system with the Tanaka modification by excess entropy and the Chou geometric model for ternary system, the interaction relation between rare earth element La and the constituent elements of Sn Pb alloy system was analyzed.

传统的Sn60 Pb4 0软钎料合金中添加微量稀土元素La( 0 0 2 4 %)，显著抑制了其显微组织中围绕先析出富Pb相的粗大的富Sn相晕圈的形成，实现了金属学组织的均匀化，并进而提高软钎料合金的高温拉伸强度 70 % [1] 。

By using the transfer matrix method of multibody system, the hard problem of computation of the vibration characteristics of LRMLRS coupled with rigid bodies and elastic bodies is solved which is very difficult to the ordinary dynamic methods, and the vibration characteristics of LRMLRS which is varied when the number of rockets in the launch device is varied, is obtained conveniently. By developing augmented eigenvectors of the LRMLRS and its orthogonality conditions, the nonorthogonality problem of the multibody system including rigid bodies and elastic bodies is solved and the exact analysis of the dynamics response of the LRMLRS including rigid bodies and elastic bodies is realized. By using the random integer programming method, the hard optimization problem which contains continuous variables, discrete variables and random variables at the same time is solved. This method provides a technology for optimum design with random variables and discrete variables. The dynamic optimum design is realized to decrease the number of rockets consumption in the LRMLRS test. The simulation system of dispersion of fire is established by using the maximum entropy method to estimate dispersion of fire.

通过应用多体系统传递矩阵法，解决了刚弹耦合远程多管火箭多体系统振动特性这一通常力学方法不便于解决的计算难题，方便地获得了远程多管火箭振动特性及其随发射架上火箭弹个数变化而变化的情况；通过构造增广特征矢量及其正交性条件，解决了刚弹耦合多体系统特征矢量不具有通常意义下的正交性的难题，实现了对刚弹耦合远程多管火箭动力响应的精确分析；应用随机整数规划法，解决了同时考虑连续、离散和随机变量等多种设计变量的优化设计难题，为含随机和离散变量的优化设计提供了手段，实现了减少远程多管火箭试验用弹量的动态优化设计；建立了应用最大熵法估计的密集度仿真系统，优化射序和射击间隔，实现了提高远程多管火箭射击密集度的动态优化。

Modeled with maximum entropy spectrum analysis and prominent period stacking, the historical earthquake activity in Guanting reservoir and its surrounding area is studied. The earthquake risk of the area in the next fifty years is predicted with the prominent periods that we obtained.

利用最大熵谱分析与显著周期叠加建模的方法，首先对官厅水库及邻区的历史地震活动进行最大熵谱分析，然后利用所得到的显著周期进行建模，最后对未来50年内官厅水库及邻区的地震危险性进行了分析和预测。

Burg maximum entropy spectral estimation theory of modern spectral estimation is introduced in this paper, and the PSD is simulated by VC ++.

介绍了现代功率谱估计中的Burg算法最大熵谱估计的基本原理，并采用VC++语言对功率谱密度进行了仿真。

After adding up and processing the acquried data, a optimized fuzzy entropy model of human resource structure is constructed on the basis of relevant theory, and reasonable proportions of its human resource are calculated.

在相关理论的基础上对获取的数据进行统计和处理，构建出人力资源结构优化的模糊熵模型，并通过模型计算得出人力资源各子结构的合理比例。

Secondly we reseach the prediction theory of chaotic time series,by combining fractal geometry theory and the maximum entropy principle,a new mathod of pridicting chaotic time serise is proposed based on phase space reconstruction.

其次，研究混沌预测的理论，在重构混沌时间序列的基础上，运用分形理论和最大熵原理，推导出一种新的混沌预测方法。

The dualityo of p and T characterizing thermodynamic peresure and temperature as well as the space distribution of density and negative entropy is proved.

证明了p和T具有特征压力和温度以及密度和有序度的空间分布的两重性。

There are action of exchanging electron and energy in square 4L loop which is made of neighboring 4 iron ions in dilute gold-iron and copper-iron alloy By means of this action, thermoelectrical potential of alloy, magnetic moment of iron ion, Curie temperature, maximal value and minimal value temperature of resistance, specific heat increase and decrease entropy of conduction electron and negative magneto-resistance effect are calculated in this paper and the results are equal to testing value.

利用稀释的金铁和铜铁合金中相邻4个铁离子构成的正方形4L回路上的铁离子间存在交换电子和能量的作用过程计算了合金的热电势、铁离子磁矩和居里温度、电阻极大值温度和极小值温度、传导电子的比热增加和熵值减少、负磁阻效应等，与测量值相符。

In this paper, a method of entropy has been used to investigate vortex tube, throttle valve and expansion turbine.

本文利用熵法对涡流管、透平膨胀机及节流阀三种装置进行了研究。

Fuzzy analysis hierarchy process of torpedo system based on entropy weight is presented in this paper .

给出了一种基于熵权的鱼雷系统模糊层次分析与评判方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。