查询词典 measure of dispersion

The conductance method used to measure the rate of HCl escaped from chlorinated natural rubber has the characteristics of high measuring accuracy and repetitiveness, which can be used to measure the rate of HCl escaped from CNR continuously and is an effective method to study the thermal degradation of CNR at low temperature.

电导法测定氯化天然橡胶的脱HCl速率，具有测试精度高、再现性好的特点，可连续测定CNR脱氯化氢的速率，是研究CNR在低温下热降解行为的有效方法。

Check method of residual error was used to judge data error, as if sum of front K residual error was unlikeness with sum of back n-K residual error in measure row, it shown that exist linear system error in measure row.

使用残余误差校核法，若测量列中前K个残余误差之和与后个残余误差之和不相等，则测量列存在线性系统误差。

For the shape and size of the measure antenna array affect on measure precision and the resolving power.

形状与尺寸选择的合理与否，将直接影响测向的精度与测向分辨率。

Five ways on comparing covariance matrix are applied to the Shanghai 50 Indexes Stock Exchange, which are sample covariance matrix, scalar matrix, two-parameter covariance matrix, single index matrix, constant correlation matrix. We adopt principal components method and Markowitz portfolio method to measure stock market risk using VaR, getting the effect of measuring market risk. The result shows that sample covariance matrix and two-parameter covariance matrix could measure market risk more effectively.

本文以上证50指数数据为样本，采用样本协方差矩阵、数量矩阵、两参数模型矩阵、单指数模型矩阵、常量相关矩阵作为与股票相关的协方差矩阵，结合投资策略选择的主成分方法和Markowitz最优投资组合方法，计算VaR以度量市场风险，并比较了五种协方差矩阵度量市场风险的效果，结果表明，在主成分方法中，样本协方差矩阵和两参数矩阵方法能有效的度量市场风险。

Estimation of parameters for general liner functional model with singular covariance. First, the Rao decomposition of the sample variance and the known singular measure error variance are presented and then the square measure error with singular variance and the standardized condition are got.

首先讨论了样本协方差与已知的奇异度量误差方差的Rao分解，给出了含有奇异方差广义逆的二次度量误差和模型的标准化条件，证明了二次度量误差与广义逆的选取无关。

To measure fatty acid's formation with gas chromatographic method and to measure the saponification value.

方法皂化值的测定，利用气相色谱法测脂肪酸组分。

The exact expressions of minimal martingale measure and the minimal entropy martingale measure for jump diffusion semimartingale are gained,with the specific changes of intensity and density function processes in these measures.

在跳扩散半鞅模型中，引进了跳的强度过程与跳的概率密度函数过程，研究了测度变换对跳的强度与密度函数过程引起的变化、研究了跳扩散半鞅的最小鞅测度与最小熵鞅测度。

We research fuzzy complex measure and the relation on convergence of measurable functions sequence on fuzzy complex measure space.

研究模糊复测度及模糊复测度空间上可测函数列几种收敛性之间的关系。

The measure method of the tax capacity is single and ordinary, the few types of tax are measured, and the use of the measure results is limited to the tax administration.

为数不多的文献也大都以学术论文形式散见于各类学术期刊中，更有相当一部分文献是作为其他研究对象的辅助部分而存在的，因此对税收收入能力的研究缺乏系统性。

By using the measure and research of the emulating two-port network parameters of using direct-current analysis and figure value output function of sinusoidal steady state circuit in circuit emulating sofeware PSPICE8.0,the measune and reseavch have solved the problem of the measuring purely resistive network of simple and odd one in traditional experimient,and also brought about the analysis of alternating current and direct-current for two-port network of any one complex and measure and research of Y、Z、T、...

利用电路仿真软件PSPICE8.0中直流分析及正弦稳态电路的数值输出功能仿真二端口网络参数的测量与研究，解决了传统实验中只能测量简单、单一的纯电阻网络问题，实现了对任一复杂二端口网络交、直流的分析及Y、Z、T、H等参数的测量与研究，为更多的不易完成的传统实验以及复杂电路的分析研究开辟了一条新路。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。