查询词典 correlation function

We calculate the correlation energy of poly (para-phenylene-vinylene) chain and the band energy gap value of PPV with taking the long-range electron correlation into account, and we discuss the influence of the correlation energy on the band energy gap.

在考虑电子-电子相互作用情况下，对基态非简并聚合物聚对苯乙炔的长程关联能进行了理论计算，并用长程关联能对带隙进行修正，最后讨论了长程关联能对带隙的影响。

3By the analysis of linear correlation, coefficient correlation r is 0.999, coefficient of determination r~2 is 0.997,(F= 5862.949, P.001), we can think that there are linear correlation between the two adherences, the adherences are similar at different time, with the trend of increase by degress .

3应用直线相关分析考察两组细胞的贴壁率之间的关系，相关系数r=0.999，决定系数r~2=0.997，(F=5862.949，P＜0.001)，可以认为两贴壁率之间有直线相关关系，可以认为在不同的时间点两种细胞的贴壁率相似，并且有共同递增趋势。

The correlation coefficient between the fractal dimension of soil water-stable aggregates in Beibei Karst mountains and organic matter, total N, total K, total P, available N and P and K, total exchangeable base and pH are:-0.617,-0.532, 0.798〓, 0.450,-0.550, 0.724〓, 0.652〓,-0.489, 0.781 (〓: correlation is significant at the 0.01 level,〓: correlation is significant at the 0.05 level) respectively.

北碚岩溶山地表层土壤的水稳性团聚体分形维数与有机质、全N、全K、全P、速效N、速效K、速效P、交换性盐基总量、pH的相关系数分别为-0.617、-0.532、0.798〓、0.450、-0.550、0.724〓、0.652〓、-0.489、0.781（**：α=0.01水平显著；*：α=0.05水平显著）：对26个样地60个样品的水稳性团聚体分形维数与养分指标的相关分析表明，分维值与有机质、速效N、全N的相关系数分别为-0.410、-0.452、-0.522，达到显著水平。

The relation of cerebrovascular disease with general hardness, cadmium and lead in water offer positive correlation but with iron, zinc,etc negative correlation, the cancer of liver with :iron, sulphate, fluoride and the general amount of bacterium positive correlation.

经统计学分析饮用水中与脑血管病呈正相关的是：总硬度、镉、铅，呈负相关的有铁、锌等；与肝癌呈正相关的有铁、硫酸盐、氟化物、细菌总数。

Maar lake are on the chlorophyll content and total phosphorus content of the monthly average for the positive correlation with inorganic nitrogen content are on a negative correlation with total nitrogen, inorganic phosphorus content of the monthly average no significant correlation.

玛珥湖中的叶绿素月均含量与总磷月均含量为正相关性，与无机氮月均含量为负相关性，而与总氮，无机磷月均含量相关性不显著。

After explaining correlation theory and its important features, the rescaled range analysis、modified rescaled range analysis and detrended fluctuation analysis are analysed. As for the drawbacks produced by the rescaled range analysis when faced with short term correlation, a modified rescaled range analysis based on short term correlation model is applied to Shanghai stock market and Shenzhen stock market. The result is explained and compared.

在阐述了分形时间序列的相关理论和重要特征后，对经典重标极差分析法、修正重标极差分析法和趋势消解波动分析法等一维分形分析方法进行了系统分析，针对重标极差分析法对短期相关会产生有偏结果的缺点，给出了一种基于短期相关的改进的重标极差分析法，把各种一维分形分析方法应用于上证综合指数和深圳成分指数序列进行实证分析，并对结果进行了比较和解释。

But there is no significant correlation between the previous SSTA and the onset time of the SCSSM from correlation analysis, only when 4 pentads before onset of SCSSM appears prominent positive correlation over the south of the SCS.

仅在季风爆发前4侯，南海的南部才出现较显著的正相关，这种正相关很可能是一种响应信号，而不具有主导作用。

The fourth part of this paper is the empirical part. Under the guidance of the grey theory, this paper has calculated the correlation coefficient of correlation between exhibition economy and the industries of tourism catering, and so on. Whats more, the author has ordered the size of the correlation: the exhibition economic development has the largest association with tourism industry, followed by retail trade, international tourism, passenger traffic, food service, Post and Telecommunications industry, and aviation passenger traffic.

文章的第四部分是本文的实证部分，根据灰色相关理论，本文计算了旅游、餐饮等行业与会展经济的关联系数和关联度，并对关联度的大小进行了排序，其中与会展经济发展关联度最大的是旅游业，其次是零售业、国际旅游业、客运量、餐饮业、邮政电信业、航空客运量。

The complexity of bodywork decides variety of it's error. The station and primary factor which cause error is inconstant change and using correlation analysis can find out the primary factor. With an project given, the theory of correlation analysis for dimension variation of bodywork is discussed through correlation analysis and the layer structure of the bodywork,the state in which the error happened can be found out. How to use eigenva...

车体装焊的复杂性决定了误差产生的多因素性，车体制造过程中产生误差的工位和主要因素是不断变化的，采用相关性分析方法从众多的误差根源中准确地发现最主要的误差源；结合工程实践，论述了车体尺寸波动的相关性分析方法的原理，根据测量点的相关性分析和车体焊接工艺的层次结构，可准确地找到产生车体尺寸误差的工位；讨论了如何利用相关系数矩阵的特征值和相应的特征向量判断尺寸波动的模式，指出测量数据的波动主要按最大特征值所对应的特征向量方式波动，引起这种波动的原因是车体误差产生的主要原因，应重点采取措施加以控制；提出了应用计算机进行相关性分析的解决方案。

There exists a positive correlation in the analysis of the relationship between the students" proficiency test of self-explanation and academic performances in the correlation reaearch of the students" proficiency test of self-explanation and academic performances: there is a close relationship between academic performances of students and the mastery level of chemical concept study. As for the students with higher level of self-explanation,their quality of learning is higher and their academic performances are relatively better, proving that there is a close positive correlation between the academic performance of the test subjects and their self-explanation ability.

在对自我解释水平与学科成绩方面的相关性的研究中通过对被试学生的自我解释水平测试与学科成绩之间的分析发现了两者之间存在着正相关；学生的化学学科成绩与化学概念学习掌握水平之间存在着密切的关系，自我解释水平较高的学生化学概念学习质量较高，学科成绩也比较好，化学学科成绩与学生自我解释水平的存在着密切的正相关。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。