二次方程

这是关于vt的，二次方程。

Well , this is a quadratic equation in v of t.

通过2种方法对GFR进行估算：肾脏疾病饮食修正方程和梅约医疗中心二次方程。

GFR was estimated by2 methods : the Modification of Diet in Renal Disease and the Mayo Clinic quadratic equation .

结论一元二次方程可以很好反映淋巴细胞DNA断片迁移长度与γ射线照射剂量之间的量效曲线。

Conclusions The quadratic model is fit for the curvilinear relationship of the migration length to radiation dose .

这是一个x的二次方程，也是一个抛物线方程式，抛物线都长这样。

It 's a second-order equation in x , and is a parabola and a parabola has this shape .

然后基于支路潮流分析，由电压的二次方程有解条件提出了一种电压稳定指标&LSI（LineStabilityIndex）。

After that , the dissertation proposed a new voltage stability index LSI ( Line Stability Index ) based on branch power flow . It is proposed by using the discriminant of the quadratic of voltage .

针对多变量二次方程组的求解问题，对XL算法的冗余性进行分析与改进。

Aiming at problems of solving multiple quadratic equation systems , the redundancy of extending equations by Extended Linearization ( XL ) algorithm is analyzed .

樱桃光合作用对光照强度、CO2浓度和温度等单一生态因子水平变化的响应行为均可以用二次方程来描述；响应曲线的具体形状因品种和生态因子种类而异。

The responsive curves of photosynthesis in mature cherry leaves to the change of photosynthetic active radiation , CO2 concentration and air temperature can be described with quadratic equations , the specific shape of the curves varied with cherry varieties and the ecological factors concened .

通过研究混合泥质砂岩有效介质通用HB电阻率模型的求解方法，表明模型导出的关于S（wt）的方程是一个一元二次方程，可用求根公式求解，解法非常简单。

After deriving Swt from the model , we find out that the water saturation equation is a quadratic equation about Swt , so its solution is very simple and obtained by using the standard quadratic-root formula .

交换代数中二次方程的求根公式

Real Coefficient Quadratic Equations Formula of Root on Real Commutative Algebra

利用解二次方程法的故障测距仿真计算

Analogue Computation of Cable Fault Location Based on Quadratic Equation Method

得到两个解；，这是二次方程。

You will get two solutions ; it 's a quadratic equation .

基于二次方程组的邻近圆轨道四冲量最优交会

Quadratic-Based Computation of Four-Impulse Optimal Rendezvous between Near Circular Orbits

一类平面二次方程的极限环存在性

The existence of limit cycles for a class of planar quadratic equations

含参数一元二次方程根的性质

The Properties of the Real Root of Equation of One-place 2-th Order

我看上去像知道二次方程的人吗？

Do I look like someone who knows quadratic equations ?

有关一元二次方程问题的误解剖析

Analysis on Some Common Errors in Solving Quadratic Equations

具有边界摄动的二次方程奇摄动问题

A Class of Singularly Perturbed Problems of Second Degree Equations with Boundary Perturbation

烃源岩排烃系数的一元二次方程及其应用

One Variable Quadratic Equation of Expulsion Coefficient from Source Rocks and Its Application

某些二次方程没有实数根。

Some quadratic equations have no real roots .

古算中的一类二次方程问题

Problems on Quadric Equations in Chinese Ancient Mathematics

它们又引出待解的双二次方程。双杀：用一次投球使二人同时出局。

Double kill : A play in which two outs are made with one pitch .

文章通过对一元二次方程的演绎，展示教学过程中教师如何引导学生研究数学问题的变化与发展过程。

This paper demonstrates how teachers instruct students to study the change and processing of mathematics problems .

在求交点时避免了解算二次方程，最后提出了这种高效的、快速的基于六角网格的圆形窗口的裁剪算法。

A high-efficient and fast line-clipping algorithm for circle clip window based on hexagonal grid is given .

这个程序能用非常普通和简单的算法来计算一个二次方程的根。

This program calculates the root ( s ) of the quadratic equation with very common and simple algorithms .

用旋转坐标轴的方法证明中值定理二次方程化简中坐标轴旋转角的确定问题

The methods of determining a spinning angle of the coordinate axes for standardizing a general quadratic equation elliptic revolution

采用砻糠载体法施药，在粮食内残留消解动态呈二次方程反应。

When the pesticides were applied with rice-hull carrier the dynamics of residual degradation exprespse as two exponential equation reaction .

这位求知欲旺盛的学生，4岁时已经学习代数和二次方程了，她的数学天赋崭露无疑。

By four , her natural aptitude for maths had seen the eager student move on to algebra and quadratic equations .

镉累积释放量与淋溶量的关系可用一元二次方程描述。

The relation between the cumulative release amount of cadmium with the leaching amount could be described with mono basic quadratic equation .

本文用四次方程代替常用的几个二次方程曲线的回转体，来描述对称裂交的大形变过程。

In the paper , large deformation of symmetry fission has been described by a biquadratic surface revolution instead of several quadratic equations .

结果表明：油层孔隙度、渗透率与净覆压的关系以一元二次方程最为密切；

The research shows that the relationship between formation porosity , permeability and net overburden pressure is closely related to univariate quadratic equation ;