查询词典 empirical

Empirical evidence in this paper shows that the price of A shares in Shanghai and Shenzhen Stock market is inconstant with the random walk model, and that low-dimension deterministic chaos process are found in the time series of Shanghai A shares index with a Correlation Dimension of 1.4, which means that the degree of randomness is lower than that of grown-up capital markets, and so the lower of the efficiency degree to some extent.

本论文所做的实证研究表明，沪深A股市场价格并不呈随机行走状态，而是存在非线性结构；上海A股市场指数收益率序列存在低维确定性混沌过程，其维数大约为1.4，这一数值远低于成熟资本市场的指标，这表明上海股票市场指数收益率序列随机性低于成熟资本市场。

A semi-analytical and semi-empirical method is used to formulate a displacement solution for the circular disc with a pair of flattened areas under diametral compression.

摘要用半解析半经验的方法推出圆盘对径压缩的一个位移解，该公式可以估算力作用点有微小平台时直径的压缩位移。

Then the finite element software ANSYS is used to simulate the orthotropic flattened Brazilian disc specimen subjected to diametrical compression, the accuracy of the approximate formula of compression displacement is checked. The formula is further modified with a semi-empirical and semi-analytical approach, and it is shown to have better accuracy than the original formula covering the whole range of orthotropic anisotropic index of rock, the error is less than 6%.

用有限元分析软件ANSYS模拟正交异性岩石的巴西圆盘试样的对径压缩实验；利用有限元分析结果对正交异性平台位移压缩公式进行精度检验，并用半经验半解析的方法，对该公式进行局部的修改，修改后的公式在岩石材料的正交异性指数的整个范围的总体评价上，误差小于6%，具有更好的计算精度。

And then taking the whole fuel cell unit as a subject, builds up the PEMFC unit empirical model, combining certain thermodynamic theory as mass transfer, diathermancy, etc.

然后以整个燃料电池单池为研究对象，结合一定的传质、传热等热力学原理建立了PEM燃料电池单池的经验模型。

During the process of learning, a new kind of empirical risk function is proposed which is differentiable and can be minimized by gradient descent strategy.

对于参数的学习，提出了一种适用于分类器的可微经验风险函数，该函数能够有效地利用梯度下降法进行最小化。

An empirical formula, r~x~-~y=0.618λ/sinθ, has been applied to carry out qualitatively structural analysis of the diffraction curve, and another r~x~-~y=7. 766/s to calculate the interatomic distance of some strong peaks from the reduced intensity curve.

用经验公式r~x~-~y=0.618λ/sinθ进行溶液衍射曲线I-θ定性结构的分析，而用另一经验公式r~x~-~y=7.766/s计算加权结构函数曲线s·i-s上某些强峰的原子间距。

Based on the experimental results and dimensional analysis ,the empirical equations for horizontal and vertical Penetration depths are obtained respectively .

在实验基础上，通过量纲分析，分别得出了气体无量纲水平和垂直穿透深度的经验表达式。

The empirical analysis based on China's data shows that the ratio of research funds from enterprises and its sum is direct proportional to university's teaching quality but inverse proportional to university's research level, and university's teaching quality and research level are very important for university to attract funds from enterprises.

基于中国数据的实证分析表明：高校横向科研经费占科研经费总和的比例与高校教学质量成正向变动的关系，与高校科研水平成反向变动的关系；高校教学质量和科研水平是影响其吸引横向资金的能力的重要因素。

In this paper, both quantitative method and logical discursion are applied. After analyzing the influence of tax-burden on banks' operating in an all-round way, based on the data(1996-2007)of seven commercial banks that have been listed. The paper makes an empirical study on the correlation between the tax-burden and the profitability of commercial banks.

本文采用理论与实证结合的方法，在对我国现行银行税负对银行经营影响的一般分析基础上，利用我国七家已上市商业银行1996-2007年的数据对银行税收负担与银行盈利能力的关系进行了实证检验。

It makes empirical description of the insider trading in the follows : the effect of insider trading on the stock price , the abnormal return or disgorgement of insider traders , the impact of insider trading on the information asymmetry in trading .

本文首先以我国股票市场发生过内幕交易的股票为样本，分析了我国股票市场内幕交易的特征，从内幕交易对股票价格的影响，内幕交易者的超常收益，内幕交易对交易过程中信息不对称的影响等几个方面对内幕交易进行了实证分析。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。