查询词典 coefficient

The recovery rate of added water samples was from 85% to 115%. The range of the lowest detection limit was 0.08-0.21 μg/L. The correlation coefficient was more than 0.999 4. The relative standard deviations (n=6) were generally lower than 8.0% for 2 μg/L standard solution of benzene series through 6 repetitions of determination.

结果表明，水样的加标回收率在85%～115%，最低检测限在0.08～0.21 μg/L，相关系数大于0.999 4，浓度2 μg/L的苯系物标准溶液经重复6次测定，其相对标准偏差基本小于8.0%。

Recovery of emamectin benzoate ranged from 98% to 102%, with a coefficient of variation 4.39%.

甲维盐分析的回收率为98%～102%，变异系数为4.39%。

This paper tries to deduct rigorously the equation for the flow rate by using the Bernoulli equation,and to provide the expression of flow rate coefficient.

在孔板流量计中，流体流过孔板，孔板前后的流道面积收缩，其静压能转化为动能，从而出现压差，压差的大小反映流量的大小。

This paper presents the superdefinite equations coefficient matrix can be decomposed in QR form using modified Gram-Schmidt orthogonal and the accurate passive macromodel in time domain can be constructed based on Bernoulli polynomial root finding method and the formulae for stability and passivity.

该文提出利用修正Gram-Schmidt正交化处理对超定方程组系数矩阵进行正交三角分解，结合Bernoulli多项式求根方法及稳定、无源性准则可以精确构建无源时域宏模型。

Based on the theory of mechanical energy conservation,a compressible non-Newton fluid flowing ordinary differential equation on pressure is found by deducing and simplifying the academic formulas with considering the pressure gradient of acceleration,consummating the state equation of foam by using Berthelot second virial coefficient,and logical assumptions.

基于机械能守恒原理，考虑加速度压力梯度项，以Berthelot第二维里系数完善了泡沫流体的状态方程，结合了合理的假设，通过对理论公式推导和化简，得到了非牛顿流体可压缩流动的关于压力的常微分方程。

The formula stated that side heat exchange coefficient was a determinant factor of Bessel function's eigenvalue.

给出材料在调制光辐照下温度起伏量的理论公式，表明侧面热交换系数直接影响贝塞耳函数本征值的确定是一个必须考虑的因素。

In the fifth chapter, we propose the conditional generalized ridge-type estimator of regression coefficient in restricted linear regression model, and prove that it is superior to the restricted best linear unbiased estimator in terms of mean squares error and mean squares error matrix, we also give the choice of parameters matrix K.

第五章给出了约束线性回归模型中回归系数的条件广义岭估计，讨论了它的优良性，证明了它在均方误差及均方误差矩阵下都优于约束最小二乘估计，并给出了参数矩阵K的选择。

It is demonstrated that when the surface tension coefficient varies between (-0.15- 0.3) 10-8N/m the radius of the apex of the biconcave shape can shift toward to the center depending on the increase of the osmotic pressure, and vice verse.

发现当表面弹性系数在(-0.15～0.3)×10~(-8)N／m中取值时，随着渗透压的增加，红血球的峰值位置朝细胞中心移动，反之亦然。

Coefficient distribution of the APIDCSF is similar to that of circular quincunx Neville filter and its interpolating performance outperforms the Neville filters with high orders vanishing moments.The aim of bidimensional interpolating is to diminish the error between the true value and the estimated one.

二维内插的质量是以预测值与真值之间的误差来衡量的，按照最小均方误差的准则，利用二维自相关函数模型和环形内插滤波器的系数分布特点构造了最小均方误差意义上的环形最优内插器，实验证明了全相位离散反余弦内插器近似于最优内插器。

This paper gives an accurate inversion of matrix of coefficient which is derived fromsolving the boundary-value problem of biharmonic equation in rectangular region by meansof difference method.

将一个n阶电导矩阵实现为具有n+1节点的网络是一很重要的问题，并且引起了广泛的研究，本文扼要地介绍了有关电导矩阵的性质和一些己有的实现方法。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。