Based on kohler ' s ternary solution model and miedema ' s model for calculating the heat of formation of binary solution , the integral equation has been established for calculating activity coefficients in ternary alloys and intermetallics 根据korler和miedema模型，推导了三元合金各组元活度系数的对称计算公式，确定了经验常数a的值。
The results indicate that the fiber radius , infiltration pressure , liquid metal viscosity coefficient and the volume fraction of perform affect the infiltration velocity of liquid metal and the infiltration process 对模拟结果分析研究表明，纤维半径、浸渗压力、液态金属粘度系数和纤维预制体的体积分数等影响液态金属的浸渗速度及浸渗过程。
The response calculation of labyrinth gas seals with damping sleeve is done by the time - frequency transition method , which includes of the merits of harmonic balance method , dynamic softness method and tracking motion method 采用一种将柔度系数法、谐波平衡法与求解摩擦力的数值跟踪法相结合的时频转换方法，对带阻尼套筒的蓖齿封严结构的响应进行计算。
By using of simulated annealing algorithm , attribute weights of hierarchy clustering model were optimized in terms of weights allocation quotas , which was used to improve the case retrieval efficiency and quality 基于模拟退火算法对特征属性的权重值进行优化，通过在相似度检索模型中加入权值分配的指导信息，防止检索出的相似度系数最大的事例并非最佳事例，提高了检索的质量。
Abstract : the more precise equation of r - k was used to calculate the real gases . based on the generolized measurement of fugacity , the equation of substance ' s fugacity coefficient of mixed gqses was derived , and the results of the application was discussed 文摘:对实际气体选择较精确的r - k方程，根据逸度计算的普遍化公式，导出了混合气中物质逸度系数表达式，并对其应用结果进行了讨论
We evaluate the statistical visibility of information hiding algorithms based on the coefficient of kurtosis , differential entropy , goodness of fit test and kullback entropy . on these bases some methodologies are suggested to defend against statistical steganalysis 重点研究了含密序列统计可见性的定量评估，提出了基于峰度系数和微分墒的偏态评估、基于拟和优度检验的统计可见性评估和基于鉴别信息的统计可见性评估。
Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle . in chapter 5 , the effects of time - variant factors in the new active damping suspension system on reduction are investigated 第五章研究了主动阻尼系统中的时变因数对减振系统的减振效果的影响(包括路况、车速、载重阻尼油的粘度系数随油温变化而引起的变化，油液的弹性模量等) ，并分析了模型简化时一些被忽略的非线性因数对系统性能的影响。
Conclusions show the post and telecommunications " inductivity is least which means this industry is most likely a bottleneck to nation economy ; analysis of the production inducing coefficient shows that the post and telecommunications is a consumption - relying industry ; the change of production value of post and telecommunications spreads most to the second industry , then the tertiary industry , the primary industry ; the change of price of post and telecommunications spread most to the tertiary industry , then the secondary industry , the primary industry 得出邮电业感应度系数最小，其瓶颈地位最突出；对生产诱发系数的分析得出邮电业是消费依赖型产业；邮电业的产值增长，对第二产业的产值波及程度最强，其次是第三产业，第一产业；邮电业价格的变化对第三产业的价格波及程度最大，其次是第二产业，第一产业。见第五章。
To research the impact of tourism quantitatively , the writer uses more than one index or method , such as studying the income impact by method of scl , studying the industry linkage impact from the angles of in - put structure , sales structure , intermediate - requirement rate and intermediate - input rate ; calculating the influence index and be influenced index to study the industry affect impact 采用回归分析法,考察重庆旅游业的收入效应;通过旅游外汇收入状况,研究重庆旅游业的创汇效应;计算综合就业系数,衡量重庆旅游业的就业效应;运用投入产出法,从投入结构、销路结构、中间投入率及中间需求率四个角度,分析重庆旅游业的产业关联效应;选取感应度系数和影响力系数,评价重庆旅游业的产业波及效应。
Ngyc is capable of mass production of smco permanent materials of the highest level in china and products quality has reached the world s advanced level . the independently developed low temperature coefficient 1 : 5 and 2 : 17 smco permanent magnets have been widely used in fields such as aeronautics and space , national defense and sensors . the company can also manufacture all serial elements products of different shapes and specifications 宁港永磁ngyc能批量生产中国最高水平的钐钴永磁材料，产品质量均达到世界先进水平，自主研发的低温度系数1 ： 5 ， 2 ： 17钐钴永磁被广泛应用在航空航天国防军事，传感器等领域，并能生产不同形状，不同性能的全系列元件产品。
