查询词典 refraction coefficient

According to the experience gained in traditional penetrating tests, this thesis has produced a high-pressure clay permeameter and discussed the instruments testing principle, measuring method and derivation of the calculation formula in details. Meanwhile, plenty of testing research has been done by taking an example for the permeability coefficient measuring of plastic concrete and the influencing factors of tests to the permeability coefficient of plastic concrete measured by this instrument have been analyzed.

3本文根据常规渗透试验中积累的经验，自行研制了一种高压土工渗透仪，对该仪器试验原理、测定方法以及计算公式的推导进行了详细的探讨，并以塑性混凝土渗透系数的测定为例进行了试验研究，对使用该仪器测定塑性混凝土渗透系数时影响渗透系数的试验因素进行了分析。

In a system consisting of 20% PEG 400 and 12% magnesium sulfate, the partition coefficient of PGA was less than 0.01, PGA almost completely partitioned into the magnesium sulfate-rich bottom phase. Meanwhile, the partition coefficient of cephalexin was 6.7, the partition coefficients of phenylglycine methyl ester and 7-ADCA were 1.5 and 1.2, respectively.

通过考察头孢氨苄、苯甘氨酸甲酯和7-氨基脱乙酰氧基头孢烷酸(7-ADCA)在ATPS中的分配行为建立了一个含20%PEG 400和12%硫酸镁的ATPS，在此体系中头孢氨苄的分配系数为6.7，苯甘氨酸甲酯的分配系数为1.5，7-ADCA的分配系数为1.2，且青霉素酰化酶的分配系数小於0.01。

Soil bulk density of Z treatment was gradually increased in three years, which was significantly higher than that of C treatment in 0~20cm soil layer. 2.2 Effects of tillage systems on soil moisture content There was significantly positive correlation between soil pondage and rainfall of the same period in R, H and Z treatments, and the correlation coefficient was higher than C, especially the H treatment, its correlation coefficient was 0.70**, which reached a highly significant level, and its soil water retention was better than C.

免耕模式土壤容重在0~20cm均逐渐增高，最终显著高于常规耕作模式。2.2耕作模式对土壤水分的影响 0~20cm土层旋耕、耙耕和免耕模式土壤贮水量与同期降雨量显著正相关，相关系数皆大于常规耕作模式，耙耕相关系数为0.70**，达到极显著水平，土壤保水性好于常规耕作模式。

The parameter of the reliability and the reproducibility of the microarray data were analyzed by correlation coefficient, coefficient of variation and false positive rate etc. Meanwhile, the error resource also had been inspected.

利用相关系数(correlationcoefficient， R)、变异系数(coefficientofvariation， CV)和假阳性率(falsepositiverate， FPR)分析猪瘟病毒cDNA芯片数据的可靠程度，对cDNA芯片实验数据作了整体的评估。

Self-comparison experiments with the same kind of tissue and differential expression experiments with the different kinds of tissue have been done to verify the reproducibility and the accuracy of this technique. The parameter of the reliability and the reproducibility of the micriarray data were analyzed by correlation coefficient, coefficient of variation and false positive rate etc. Meanwhile, the error resource also has been inspected.

通过同种组织RNA自身比较实验及不同组织RNA的差异分析实验对cDNA芯片实验的重复性进行检验，利用相关系数（correlation coefficient，R）、变异系数（coefficient of variation，CV）和假阳性率（false positive rate，FPR）分析cDNA芯片数据的可靠程度，对cDNA芯片实验数据作了整体的评估。

Self-comparison experiments with the same kind of tissue and differential expression experiments with the different kinds of tissue have been done to verify the reproducibility and the accuracy of this technique.The parameter of the reliability and the reproducibility of the microarray data were analyzed by correlation coefficient,coefficient of variation and false positive rate etc.Meanwhile,the error resource also has been inspected.

通过同种组织RNA自身比较实验及不同组织RNA的差异分析实验对cDNA芯片实验的重复性进行检验，利用相关系数（correlation coefficient，R）、变异系数（coefficient of variation，CV）和假阳性率（false positive rate，FPR）分析cDNA芯片数据的可靠程度，对cDNA芯片实验数据作了整体的评估。

The ration of Pd to P is defined as the stressing uniformity coefficient of one steel line. Through com prehensive analysis of test data, the variation of P(reading of preaure metre on tensile jack)with the uniformity coefficient can be deseribed by thefunctional r...

经对试验数据进行整理、分类组合及综合分析，找出了锚索的张拉力P（张拉千斤顶上压力表读值）与均匀性系数的＝A·PB函数关系，再进行回归分析，从显著相关的回归曲线上，可直观地得出单根钢绞线在锚索张拉锚固时各种工况下不同位置上受力的均匀性。

For this reason, the author of the article puts forword a new concept projective vector and coefficient "image" of projective vector. Coefficient of projective vector is put forword by the author for the frist time. It is of high value, both in mathematics and theory.

为此，本文给出了"一个向量在另一个向量方向上的射影向量和射影向量系数"的概念，"射影向量系数"这一概念，为作者本人首次提出，具有重要的教学价值和理论价值。

As a test problem, the steady flow fields and hydrodynamic forces of a 6:1 prolate ellipsoid at different incidence angle are computed. Computed results including surface pressure coefficient, surface friction coefficient, and body hydrodynamic coefficients, are compared with experimental and numerical ones of published papers, the agreement is satisfactory.

作为算例之一，给出了6：1椭球体在不同攻角下定常流场和水动力的数值计算结果，包括物体表面的压强系数、切应力系数的分布及物体所受升力系数、阻力系数和力矩系数随攻角的变化规律，并与国外文献的计算和实验结果进行了比较，符合程度令人满意。

Take the opportunity of this project, theoretical and experimental researches on the high-efficiency evaporator used in a large quick-freeze equipment have been done. The main work of experimental research is as follows:(1) Compare and analyze the influences of structural parameters on the heat transfer coefficient of an evaporator. The calculation results show that, under non-freezing conditions, the structure possessing the highest heat transfer coefficient is the one with circular fins, equilateral-triangle arranged small tubes and varying fin-spacing.

主要做了以下几方面的试验研究工作：(1)对不同翅片形状、管径大小、翅片管排列方式，以及是否带波纹等结构参数对蒸发器传热系数的影响进行了比较分析，得出在不结霜工况下，具有最高传热系数的蒸发器结构是圆翅片小管径正三角形排列等节距结构的结论。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。