拟合曲线

Results Dry matter accumulation of single root tuber accorded with logistic curve under the conditions of four treatments.

结果4种栽培密度下白首乌个体块根干物质积累动态的拟合均呈Logistic曲线变化。

A kind of method adopting polynomial approaches to match the nonlinear curve of looper tension moment is put forward on the base of analyses of the curve characteristic and project practice.

通过对带钢张力矩计算理论公式的分析并结合工程实际，提出了一种采用多项式逼近来拟合活套张力矩非线性曲线的方法。

Moreover, according to triaxial creep test of rock samples, authors fit the curve of ε-t of the gray-yellow miliolite from fault of Zhaogezhuang Coal Mine respectively by visco-elastoplastic model and Burgers model and obtain their rheological parameters by least squares procedure.

此外，利用三轴压缩蠕变试验结果，分别利用伯格斯模型及西原模型，运用最小二乘法对赵各庄煤矿断层破碎带灰黄色糜棱岩的流变曲线进行了拟合，并求取了流变参数。

A model of temperature field in surface layers during sliding was set up based on the law of heat conduction. And, a computer simulation for thermometric data which were real-time recorded by a thermal video system was carried out by using a mini-computer according to the model. There was an ideal fit between the measured data and the calculated curve.

在热传导方程的基础上建立了摩擦磨损表面层的温度场模型，并用该模型在微机上对红外热象测温结果进行了计算机模拟，测量数据与计算曲线拟合理想。

The theoretical plasma concentration versus time was calculated for all patients on the basis of the pharmacokinetic models described by Sheiner et al. Predicted effect versus time was calculated by following the pharmacokinetic-pharmacodynamic link model. The Ke0 was estimated by fitting a sigmoid cure. Group B was given the drug in a bolus of 2 mg.kg-1 and the Ke0 was calculated according to the method reported by Minto et al.

22例ASA ⅠⅡ级择期手术患者，A组(n=11)持续输注罗库溴铵0.03 mg·kg-1·min-1直至4个成串刺激降至20% 30%，B组(n=11)单次注射罗库溴铵2 mg·kg-1.A组血浆药物浓度用Sheiner等报道的药代动力学参数模拟计算，预测效应根据药代动力学-药效学关系公式换算，Ke0通过S型曲线拟合计算。B组采用Minto等提出的方法计算。

Its nicety and utility is validated through analysis. It can be applied to fit other kinds of characteristic curves.

通过分析说明了此方法的精确性和实用性，并且可以用于拟合其它类型的性能曲线。

Compared with the normal coordinates calculation way, our method was easy and fast.(6) According to the above methods, programs were carried out to simulate.

用圆弧和直线拟合织物的二维悬垂曲线，使弧长等分的座标算法相对于一般的弧长等分的座标算法极大地降低了计算的复杂性，从而极大地提高了计算速度。

OBJECTIVE: Study the fitting about S model dose-effect curve with the accumulation normal distribution function.

目的：研究S型剂量效应曲线的累积正态分布函数拟合。

This paper studies on the ground settlement due to the deformation of the supporting structure. The normal distribution and parabola function are used to fit the curve of ground settlement and the estimating formula is deduced gradually.

本文主要对由于支护结构变位而引起的地表沉降进行了相关研究，利用正态分布及抛物线函数拟合了地表沉降曲线，并推导出沉降的估算公式。

Especially, the Hill coefficient is considered not any physiological meanings in the mathematics model usually used in fitting pharmacodynamics S dose-effect curve, but the analogous parameter in the accumulation normal distribution function has definite physiological meanings, and indicate the relationship between pharmacology and pharmacodynamics.

特别地，在常用于药效学S型剂量效应曲线拟合的数学模型中，其Hill系数被认为没有任何生理学含义，而累积正态分布函数中的相应参数却有明确的生理学含义，从数学上体现了药理与药效的内在联系。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。