拟合曲线

According to this process, the key technology which including the characteristic measurement of surface, the pretreatment of data getting by line scan, the character expression and fitting of curve and surface, the characteristic identify of surface and translation from the model of surface to CAD.

对实物反求过程中的各关键技术作了研究，包括：曲面的特征测量、逐行扫描测量数据的预处理、曲线曲面的特征表示及其拟合、曲面的特征识别以及曲面模型向CAD模型的转化。

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。

The continuum thermodynamic theory is employed to deduce the formula of the relationship between the unfrozen water content and soil temperature.

实验证明，所求得的公式可以很好地拟合冻土中未冻水含量与负温绝对值的关系曲线。

Design the Route Fitting Program based on Cubic Spline and, output viewdata, interface with AUTOCAD program, built up vary layers with different color, directly plot the fig of route ichnography, slope and curvature.

运用VB设计开发基于三次样条曲线的路线拟合小程序，可视化输出上述数据结果，并与AUTOCAD程序接口，建立不同的图层及颜色，直接输出路线平面图、斜率图、曲率图。

It is demonstrated in this paper that the P-V-T relation below the melting temperature 1 336.4 K can be described by the universal equation of state for solids proposed by Vinet et al,while for temperatures higher than the melting point,we proposed a new equation of state for solid Au,taking the melting curve as the reference state,for the description of the high pressure and hig...

结果表明，在熔点1 336.4 K以下，压强-体积-温度关系可以用Vinet普适状态方程来描述，而对于在熔点温度以上，本文提出了一个以熔化曲线作基准的高温高压下固态Au的状态方程。数据拟合结果说明了提出的固体状态方程对固态Au是适用的。

The molecular weight and molecular weight distribution of polyethylene were determined by GPC and Viscometry.

对GPC曲线的高斯函数拟合分峰，计算在双组分茂金属催化体系中每种催化剂得到的聚乙烯的重量之比；根据各催化剂的催化活性和按所加的催化剂的摩尔比例假定进行独立反应时，可以计算在双组分催化体系中每种催化剂得到的聚乙烯的重量之比；根据两种重量之比的比较结果和对双组分茂金属催化体系得到的聚乙烯的平均分子量和平均分子量分布的分析结果，可以推测在催化体系CatZr〓/CatZr〓中两种催化剂基本上不存在相互作用；而在CatZr〓／CatZr〓体系中两种催化剂之间可能有相互作用存在。

By derivation according to Darcy's law, the transfusion formula of chemical grouting in the sand was achieved. And then, the capillary viscosimeter was adapted to measurement the viscosity of seriflux. Finally, the change law of seriflux kinetic viscosity varying with time by fitting curve was deduced.

首先在达西定律的基础上推导出化学浆液在砂土中的渗流公式，然后采用品氏毛细管粘度计对浆液的粘度进行测定，通过曲线拟合回归总结出浆液粘度随时间变化规律，最终得出浆液在砂土中的渗流规律。

Along with the increase of the velocity of whisk, the velocity of extraction and the quantity of extraction increase too.

最后，本文对提取率的特性曲线拟合方法进行了深入研究，引进了小波作为一种新的分析工具。

Targeting the biomass rice stalk,we use linestone as catalyst and cracking catalyse the tar which was pyrolysised from the target.We build the rice straw biomass gasification tar removal catalytic cracking process model by the least squares support vector machine model and optimize the model parameters through genetic algorithm.We also has gotten the best catalytic cracking temperature and gas residence time, making the highest rate of catalytic cracking tar.We made wood biomass as a target analysis so that we can thermally crack tar,and we can use genetic algorithms to optimize the model parameters that is based on the wood biomass gasification pyrolysis tar removal process model through the least-squares fitting method,then we got the best pyrolysis temperature and equivalence ratio,so that it is possible to make the tar content reach the minianum.Based on the least squares support vector machine model,we had established the model of the biomass sawdust Compression molding process and fit the Optimization Parameters objective function of the molding process .

以生物质稻秆为对象，采用石灰石作为催化剂对稻秆热解焦油进行催化裂解，由最小二乘支持向量机模型建立了生物质稻秆气化焦油催化裂解脱除过程的模型，并用遗传算法对模型参数进行了优化，得到了最佳的催化裂解温度和气相停留时间，使得焦油催化裂解率达到最高；以生物质木屑作为分析对象，对其进行热裂解脱焦，并依据最小二乘曲线拟合方法建立了生物质木屑气化焦油热裂解脱除过程的模型，用遗传算法对模型参数进行了优化，得到了最佳的热裂解温度和当量比，使得焦油含量达到最小。

The aim of this study was to reveal the adaptation response of limestone plants to light and water. The light response curves of limestone plants Alchornea trewioides, Bauhinia championii, Pteroceltis tatarinowii, Sapium rotundi folium were measured with Licor-6400 Photosynthesis Analyzer in Karst area, and parameters of photosynthesis were simulated by non-rectangle hyperbolae function.

为阐明石山植物对光与水分的适应能力，采用Li-6400光合作用测定系统，对岩溶区石山植物红背山麻杆、九龙藤、青檀和圆叶乌柏生长盛期的光响应曲线进行了测定，并利用非直角双曲线模型对4种植物光合作用生理参数进行拟合。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。