参数曲线

The breakthrough curves for heavy metals of solidification sludge were obtained by flexible-wall permeameter and the hydrodynamic dispersion parameters were acquired by genetic inverse method.

5采用柔性壁渗透仪获得了固化污泥中重金属的穿透曲线，并采用遗传算法反演了固化污泥的水动力弥散参数。

Then, expression of the best exposure is deduced by the parameters of photosensitive material.

从胶片感光特性曲线确定了使胶片获得高分辨率的最佳曝光量，并由感光材料的性能参数推导出最佳曝光量的表达式。

The controller measures and monitors parameters of electric network, then saves preterit data of 60 days which is the evidence of the running status of electric network. And then the running curve of parameters is gained by background data process of computer.

控制器具有历史数据存储功能，能够对电网运行状况进行监测，通过后台软件的分析处理给出各项电网参数的运行曲线，可方便地对控制器性能和电网运行状况作出评估。

On the basis of the nonparametric feature of traffic safety data,principal curve was applied to analyzing the tremendous traffic safety data in this paper.

针对交通安全数据的非参数性，将主曲线方法应用于交通安全数据分析。

On the basis of separation density and probable error or imperfection, the quartile skewness and a parameter K that has the meaning of kurtosis are advanced. With above four characteristic values, a mathematical model called quartile model has been set up.

在分选密度、可能偏差或不完善度的基础上，引入了四分位偏度系数和类峰度系数K，直接用上述四参数构造了一个分配曲线数学模型-四分位模型。

In chapter 3,we dig out two families of invariant quartic curves of a quadratic system.

第五章讨论向量场具有对称中心的二次系统，利用系统的不变双曲线及不变四次曲线，我们确定了一个对应极限环（1.1）分布的二维参数区域，其边界的构成为如下几种常见的极限环分枝：霍夫分析，庞加莱分枝，同宿分枝和异宿分枝。

To do this,a novel quintic spline interpolation and velocity profile algorithm are presented.

为适应高速高精加工，针对传统插补算法和速度控制方式在进给过程中存在柔性冲击的问题，提出了一种五次参数样条曲线插补方法及其速度生成算法。

Then the forging blade body is formed by fitting the data of forging blade to spline and B-surface, calling the rabbet and boss, generating the draft angle. Then the related parameter is calculated.

将锻件型面数据拟合成样条曲线、样条曲面，调入榫头和凸台，作出模锻斜度，生成叶片锻件实体，并计算了锻件的相关参数。

Of which,wet basis ash content is defined by gamma-ray log,and the precondition is the ash mainly argillaceous and contains no radioelement;carbon is defined by density log and artificial gamma log,and moisture calibration for density log ;saturated porosity is defined by density log after ash calibration;gas content is defined by acoustic log and density log compou.

其中以自然伽马测井确定湿灰分，该方法的前提条件是湿分主要是泥质且泥质不具放射性元素；以密度测井与人工伽马测井确定含碳量，并对密度测井作湿分校正；以灰分校正后的密度测井确定饱和水孔隙度；含气量的估算以声波测井和密度测井组成的复合参数ΔT/dDEN来确定，或以视电阻率曲线确定含气量。

The system can get the signal waveform parameters from the harmonic components of radius vector deviation, plot a curve of interpolation error by delivering magnified moiré fringe photoelectric signal to computer with digital acquisition board.

该系统可以利用数据采集卡，将放大后的莫尔条纹光电信号送入计算机，由向径偏差的谐波成分得到信号波形参数，绘出细分误差曲线。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。