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曲线回归

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The results show that the highest yield strength and IGC resistance are obtained by 190 ℃/ 60 min retrogression and reaging. But when the alloy is treated near the lowest value of hardness curve of retrogression, the lowest IGC resistance is gotten by 190 ℃/4 min retrogression treatment.

结果表明:合金经190℃/60min回归和再时效处理,屈服强度最高,抗晶间腐蚀能力最好,具有最佳的综合性能;但合金在接近回归硬度曲线的谷值时,经190℃/4min回归处理,抗晶间腐蚀性能最差。

The average correlative coefficients of linear regression function for isochronous stress- axial strain curve are 3.92% higher than that of average correlative coefficients of linear regression function for isochronous stress- radial strain curve, so nonlinear creep property of the fine sandstone specimen in axial direction is correspondingly weaker than that in radial direction.

应力-轴向应变等时曲线线性回归函数的平均相关系数高出应力-径向应变等时曲线线性回归函数的平均相关系数3.92%,因此其轴向非线性蠕变特性相对于径向非线性蠕变特性更弱。

The eighth chapter begins with discussion and empirical demonstration of Chinese benchmark rate, simulates and regresses the benchmark yield curve of Chinese bond according to the latest data, reviews factors having influence on Chinese benchmark yield curve through principal components analysis, illuminates the inescapability of regulation of Chinese bond yield structure through the comparative study on American bond yield curves with different terms.

第八章开始是对我国的基准利率进行探讨和实证分析,接着根据最新的数据来模拟和回归出我国国债的基准收益曲线,在此基础上运用主成分分析法考察了影响我国基准收益曲线的因素,并通过对美国不同期限国债收益率曲线的比较研究,来说明我国国债收益率结构的调整具有不可避免性。

3D space spiral curve regression analysis; Space sinc curve regression analysis.

空间三维螺旋曲线的回归分析;空间sinc曲线的回归分析。

3D space spiral curve regression analysis; Space sinc curve regression...

空间三维螺旋曲线的回归分析;空间sinc曲线的回归分析。

The regression curve and equation were gain by monadic non-linear regression model.

对两者进行一元非线性回归模型分析得到回归曲线和回归方程,进一步了解两者间的相关性,同时作出产果量的预测。

The Stained pulp curve in different head are described as: elliptical dished head: H=178. 78+0.5926R-0.0141R〓 semispherical head: H=146. 76+0.0093R-0.0071R〓 conical dished head (α=27°): H=118. 2+0.0248R-0.0061R〓 conical dished head (α=23°): H=151. 7-0.1024R-0.0065R〓 If only for the quality and the efficiency of bleach of up-flow reactor, the conical dished head is the best option with the good engineering feasibility.

对实验数据处理回归后得到流经椭圆形封头时纸浆分布曲线方程;流经球形封头时纸浆分布曲线方程;流经锥形封头(半锥角27°)时纸浆分布曲线方程;流经锥形封头(半锥角23°)时纸浆分布曲线方程。

Either in binomial or in trinomial regression, the regression coefficient reached the significant correlation at 0.01 levels, which means the growth ring age has intense influence on the microfibril angle.

枫杨微纤丝角与生长轮年龄的关系无论是进行二项式回归还是三项式回归,回归曲线拟合性都很强,复相关系数都达到0.01的极显著水平,表明微纤丝角受生长轮年龄的影响十分强烈。

Sixthly, research on seismic performance of repaired HSC column after hightemperatures The nonlinear whole process analysis method of reinforced concrete is used.Programs of moment-curvature and shear force-displacement of repaired HSCcolumn are developed after exposed to four sides and two symmetrical sides fire.Seismic performance of repaired reinforced HSC column after fire is studied. Byanalyzing the calculating results, the corresponding formulas of characteristicparameters of their skeleton curves of repaired HSC column after fire are proposed,and it is compared with corresponding curve of unfired columns.

火灾后已修复高强混凝土柱的抗震性能研究利用钢筋混凝土非线性全过程分析方法,编制了火灾后(包括四面受火和双面对称受火)已修复高强混凝土柱截面弯矩一曲率关系和剪力—位移关系的计算程序,对火灾后己修复高强混凝土柱的抗震性能进行了研究,通过对计算结果的分析和整理,给出了火灾后已修复高强混凝土柱M-φ及P-△骨架曲线特征参数的回归计算公式,并将上述曲线与未受火柱的相应曲线进行了比较。

In the long time creep tests, by regressive analyses, the creep curve of glauberite at different stress level is obtained: at 50% of its compressive strength, the creep curve is ε 0.009t0.3265, at 80% of compressive strength, the creep curve is ε=0.0098ln-0.0014. It is clear from the creep curves of the rock mass, that the creep rate at high stress level is higher than that at the lower stress level.

通过长时间的蠕变实验,回归出钙芒硝盐岩蠕变在不同应力水平下随时间变化的曲线,其抗压强度50%时的曲线方程为ε=0.0098ln-0.0014,抗压强度80%时的蠕变曲线方程为ε=0.012ln-0.0056,应力水平高时其蠕变速率高于低应力水平的蠕变速率。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。