查询词典 universal coefficient formula

Considering the effects of saturation, pole shape, some important coefficients including the effective pole-arc coefficient, the leakage coefficient, the air-gap coefficient are analyzed by electromagnetic method, and a series of useful curves are given.

考虑磁路饱和、磁极形状等因素的影响，利用电磁场数值解法对电磁计算中的有关系数，包括漏磁系数、计算极弧系数、气隙系数等进行了分析研究，给出了工程实用的曲线。

The plunger stroke loss factor, pump barrel fill coefficient, leakage coefficient and bulk effect coefficient of produced liquid.

有杆抽油系统中抽油泵容积效率的计算一般由柱塞行程损失系数、泵筒的充满系数、漏失系数和抽汲液体的体积效应系数等 4部分构成。

Results An estimate of fixed coefficient, expectation and variance of random coefficient with constraint in the linear model of mixed coefficient is given. At the same time, the nature of the estimate is discussed.

结果 给出了在一定的约束条件下，混合系数线性模型的固定系数，随机系数的数学期望和方差的一种估计，并讨论了该估计的性质。

The content of different nutrient was variated in:change of soil organic matter in the rate of 6.32～35.83 g/kg,the coefficient variation was 29.72%,change of the soil available nutrient content was not the same,to the most obvious avail-P,the rate of change for the 4.00 to 91.60 mg/kg,the coefficient variation 68.81%,avail-N smaller the range, changes in the rate of 40～182 mg/kg,the coefficient of variation was 26.66%.The average of all soil nutrients are in the middle level of the plentiful-lack Index of available nutrient.

涿州市不同元素养分含量变异情况各不相同：土壤有机质变幅不大，变化幅度为6.32～35.83g/kg，变异系数为29.72%；土壤速效养分含量变幅不相同，以速效磷最为明显，变化幅度为4.00～91.60mg/kg，变异系数达68.81%；碱解氮的变幅较小，变化幅度为40～182mg/kg，变异系数达26.66%，各速效养分的平均值均在丰缺指标所划定的中等养分含量水平。

The results showed that the residual yield point stress descended and cushion coefficient increased with the number of vibration and the acceleration increased. Cushion coefficient don't change much in the small stress stage; while in the large stress stage; cushion coefficient increases obviously.

结果表明，随着振动次数、振动加速度的增加，瓦楞纸板剩余屈服应力减小，缓冲系数增大，其中在小应力阶段缓冲系数变化不大，在大应力阶段，缓冲系数显著增大。

The effect of Gurney flap on double delta wing aerodynamics was conducted in low speed wind tunnel,the experimental results indicated that Gurney flap can promote the model s lift coefficient,maximum lift coefficient and lift-to-drag ratio at middle to high lift coefficient.

通过低速风洞实验研究了Gurney襟翼对双三角翼气动特性的影响，结果表明Gurney襟翼可以提高双三角翼的升力系数、最大升力系数以及中高升力系数情况下的升阻比。

Then a model to distinguish skin drag coefficient and form drag coefficient is established based on a floe drag experiment by using a wave-current tank in laboratory, and the quantitative relationship between skin/form drag coefficient and floe geometric parameters is established as a result.

水拖曳系数同海冰几何形态参数的关系才是提高拖曳系数适应性和准确性的最佳途径。

AVO analysis is suggested for solving to solve the difficulty in identification of thin alternating layers in exploration of oilfields. It can improve the current method that has no thickness variable in the formula of reflective and is limited by sampling rates in calculation of the coefficient in the time of domain. Using the relationship of stress and displacement on two interfaces, this paper derives the spectrum of reflective coefficient for any incidence angle and thiekness of thim layer based on the equation of seismic wave propagation in the frequency domain.

针对油气田开发中薄互层认识难的问题，提出从AVO分析解决困难，克服现有方法在反射系数公式中无厚度变量、时间域计算反射系数谱受采样率限制的不足，运用两个界面间位移与应力关系，从频率域地震波传播方程推导了任意入射角和薄层厚度下的反射系数谱。

In this paper, concepts of grey absolute relation coefficient and grey relative relation coefficient are proposed. And a computational formula of grey relation grade is developed, which formes a new theoretical model for analysis of grey relation.

1引言灰色关联分析是灰色系统理论的一个重要内容，它通过参考序列与比较序列各点之间的距离分析来确定各序列之间的差异性和相近性，从而找出各因子之间的影响关系及影响系统行为的主要因子。

New concepts of grey absolute relation coefficient and grey relative relation coefficient are proposed and a new computational formula of grey relation grade is developed, which forms a new theoretical model for analysis of grey relation.

第二章，简述了目前几种常见的灰关联分析模型，指出了这些分析模型存在的不足及其导致不足的原因，然后给出了灰色绝对关联系数及相对关联系数的定义，进而建立了灰色关联分析的新的理论模型。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。