查询词典 metric coefficient

The fluid flows and heat coupled calculation method is used. The standards two equations turbulence models, velocity and pressure coupled arithmetic are used.According to the results of numerical simulation analysis the local coefficient distribution changes along the pin fins.Study the effection that its height and shape of the pin fins have on the average Nu and the average number of pressure loss coefficient Eu.The circle-shaped and elliptic-shaped pin fins have different circumcolumnar regional,therefore the mixed conditions are effected.

数值计算中采用标准双方程湍流模型，速度压力耦合算法；根据数值模拟的结果分析沿扰流元的局部换热系数分布变化，研究其扰流柱高度及形状对扰流柱通道平均努赛尔特数Nu和平均压力损失系数Eu的影响，圆形和椭圆形扰流柱的绕流尾涡影响的区域的不同对扰流柱群内流体混合状况的影响。

Then,the methods of associating degree and fuzzy clustering analysis were introduced to delaminate and class the factors.And the rough index system was optimized by effectiveness coefficient judgment and reliability coefficient judgment.In this way,the index system could be acquired.

该方法首先利用德尔菲法，提出影响综合评价的因素；在此基础上，引入贴近度和模糊聚类分析的方法，对影响因素进行分层和分类处理，利用效度判断法和稳定性系数判断法对得到的初步指标体系进行优化，最终得到评价指标体系。

Measuring the moisture diffusion coefficient and floating pressure coefficient by the means of diffusible cup.

确定了试件厚度，绝对压力和压力变化速度对水分扩散系数影响关系的数学表达式。

The temperature affects partition of dipotassium glycyrrhizinat but the effect is minor. On the same time pH has major impact on the partition of dipotassium glycyrrhizinat. The coefficient is eight times higher when pH reaches 2. The improved Diamond-Hsu model can be used to correlate the partition coefficient of dipotassium glycyrrhizinat in the system of water/ethanol/isobutanol. The result of Infrared and TG analysis indicate the extraction product has the same characteristic features with dipotassium glycyrrhizinat.

结果表明：体系的初始点越靠近临界点，甘草酸二钾的分配系数越大；温度对甘草酸二钾的分配有～定的影响，但分配系数随温度变化不大；pH值对甘草酸二钾的分配有较大的影响，在pH=2附近，分配系数高出其他位置达8倍；改进的Diamond-Hsu模型可以用于关联甘草酸二钾在水+乙醇+异丁醇体系中的分配系数；红外和TG分析结果表明萃取产物与甘草酸二钾样品的性质特征相同。

But the reflection factor is in a standard filter important coefficient, but uses the alternative means to be very difficult to guarantee front and the retroreflection coefficient value is smaller than 1, and is unable to obtain its correlation function precisely, especially has this kind of serious problem in linear prediction coding equisignal processing, the BURG algorithm can in then be able to determine from the very beginning its exponent number and the transmittance have then overcome a limit question.

而反射系数是格型滤波器中的一个重要系数，而采用其他方法很难保证前向与后向反射系数的值小于1，并且无法精确得到其相关函数，尤其在线性猜测编码等信号处理中存在着这种严重问题，BURG算法能在一开始便能确定其阶数和传递系数便克服了着一限制问题。

Wake velocities at the propeller disk plane, other than pressure coefficient and skin friction coefficient, are given, and vortices structures shed from the fairwater and four stern appendages are observed from the velocity vectors.

同实测结果进行了对比，相当吻合。

Based on Gray Relevancy Theory and according to rock indexes obtained from Protodyakonove Coefficient Method,Rock Core Quality Index Method and Fissuration Coefficient Method,a model for assessment of rock body quality of mine is established.

根据目前矿山岩体质量评价的基本方法，对采用普氏系数法、岩芯质量指标法以及龟裂系数法等已经取得指标的岩体应用灰色关联理论建立了综合评价模型，以贵州某矿煤层顶底板岩层实测评价指标的数据，对本文建立的模型进行了应用。

A model for predicating friction coefficient of resin-based friction materials based on artificial neural network was established to forecast its friction performance,and the ANN network model was trained by using 30 kinds of frication material's data of friction coefficient,and then fitted.

为了预测不同成分的树脂基摩擦材料的摩擦性能，建立了摩擦材料成分与摩擦因数之间的人工神经网络预测模型。

The spatial distribution of correlation coefficient between hindcast and observation shows that high value areas are different among these methods. So it is hard to say which method is better than others. Thus three predicted results should be considered as well as distribution of correlation coefficient before final extreme high temperature prediction. The predictions by these methods for July, 2007 were generally close to the observation.

并以相关系数为衡量指标，应用交叉检验方法对三种方法的预测效果进行分析，结果表明不同方法高相关区的空间分布存在差异，在进行高温预测时，应综合各方法高相关区的预测结果给出综合预测意见。

Significantly genotypic differences and great variations were detected in grain β-amylase activity,β-glucan and protein fraction contents. The largest variation and highest average value of β-amylase activity were found in Hangzhou 2006-2007, while the trend of coefficient of variation was opposite to the mean content of β-glucan over different environments. Hordein content had the highest correlation coefficient with β-amylase activity among four protein fractions.

研究结果表明：籽粒β-淀粉酶活性、β-葡聚糖和蛋白组分含量均存在显著的基因型差异；杭州2006-2007年度种植条件下的β-淀粉酶活性均值和变异幅度最高，且β-淀粉酶活性和β-葡聚糖含量的变异系数和变化趋势恰好相反；4种蛋白质组分中，醇溶蛋白含量与β-淀粉酶活性呈显著正相关。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。