曲线的曲率

In chapter 5, we present the analytic spectrum and light curve of these synchrotron radiating electrons, applying a treatment more reansonable and stricter than methods in the literature and convenient for calculating those of synchrocurvature to reveal physical nature of the magnetic field formation and acceleration of particles in shock.

在第五章，我们给出了这些电子能谱的解析同步辐射谱和光变曲线。我们的处理方法比文献中的方法更合理且更严格。它也更方便我们下面利用同步曲率机制去计算余辉的辐射谱和光变曲线，以期揭示激波中磁场形成及粒子加速过程的物理内涵。

Easement curve was introduced, whereby curvature changes steadily form a straight line to the desired radius.

缓和曲线推出，即曲率变化，稳步形成一条直线，以达到预期的半径。

RESULTS The trend of dynamic frequency response of piezoelectric coagulation corresponded with the inverse S curve F =（f0-△f）＋△f/1＋e^（t-t0）/dtderived from theory according to the change regularity of the viscosity and density in the reaction system.

结果 根据反应体系黏度密度变化规律，理论推导出体外凝血反应过程，中压电频率动态响应规律符合F=（f0-△f）＋△f/1＋e^（t-t0）/dt等‰模型；根据该模型建立了新的反S拟合曲线法；与既有的最大拟合曲率法相比，前者检测速度更快（P〈0.01），重复性更好（P〈0.01）。

The line of curvature isn't only a curve of space, but a special and a very important curve of surface.

曲率线不仅是一条空间曲线，而且是曲面上定义的一种特殊而重要的曲线。

The results show that the seismic response of curved beam bridge and the influence of curvature radius can be reduced by using lead rubber bearing.

结果表明：铅芯橡胶支座不仅可以有效地降低曲线梁桥的地震响应，还有助于减少曲率半径对曲线梁桥地震响应的影响。

Endowed with a Riemannian metric derived from the gray scale information of a given image, the image space became a Riemannian manifold. On this Riemannian manifold, we evolved a curve by the mean curvature flow using the level set methods.

在图像空间上直接赋予一种由图像灰度信息导出的黎曼度量，使之成为黎曼流形，然后在此黎曼流形上利用水平集方法对曲线以平均曲率流进行演化。

This measurement system not only can measure superelevation of railway, but also curvature of curves, from which the unbalanced centrifugal acceleration can be computed to provide the instruction information for tilting control.

基于单轴陀螺平台的摆式列车线路信息检测系统，利用安装在头车车体地板上的单轴陀螺平台和车体与悬挂系统之间的两个位移传感器建立测量的水平基准线，不仅可测量出列车通过曲线时线路的超高值，而且可测量出曲线曲率值。

The p-elastica, the critical point for the total polynomial curvature functional on those curves with a fixed length satisfying given boundary conditions, is discussed.

主要研究了在具有固定长度、且满足给定边界条件的曲线上定义的总多项式曲率泛函的临界点，即所谓p-弹性曲线。

First, the cross section of a boxlike girder is discretized into stiffened elements and corner elements, then the FEM program is compiled to calculate the curve between stress and strain of every stiffened element.

加筋板单元是船舶与海洋工程等箱型梁结构的主要组成构件，首先将箱型梁剖面离散成若干加筋板单元和角单元，利用非线性有限元方法逐一计算加筋板单元的应力—应变关系曲线，然后再用逐步破坏分析法得到整个结构的弯矩—曲率曲线，从而求得其极限弯矩。

For loading along curved strain path,it is found that the delay anglenot only depends on the curvature of the path but also on the rate of the curvature re-spected to the path are length.Therefore,we can conclude that Lensky's hypothesisof local determinability for delay angle is not hold for this material.

对沿曲线应变路径加载的情形，实验发现，滞迟角的变化规律不仅与路径曲率有关，而且与曲率的变化率密切相关，表明Lensky的&局部确定性&假设不再成立。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。