查询词典 angle of reflection

The article bases on the traditional graphical method,and applies design principle in the references[1],derives the optimizing design methods which under the condition of meeting the fixed slider stroke and the coefficient of variety of stroke velocity,makes the minimum transmission angle of the eccentric crank slider mechanism to maximum(that is the best transmission angle).

曲柄滑块机构在工程上应用十分广泛，传动角的大小是衡量机构传力性能好坏的一个重要指标。通常求解最佳传动角的方法是建立数学模型，在计算机上进行数值求解，本文在传统图解法的基础上，运用文献[1]中的设计原理，推导出在满足给定的滑块行程S和行程速度变化系数K的条件下，使传动

Because of the small-angle approximationof the parabolic system,we say the result of the elliptic system is relatively reliablein the interval of large ray angle.

由于抛物方程的小角度近似，我们认为在大掠射角区间内，椭圆方程的考察结果是比较可靠的。

The experimental results indicated that the light-induced MR molecular reorientation effect, the so-called twisted angle, caused by the adsorbed MR, decreased with increasing ellipticity of the elliptically polarized green light. Notably, zero pre-tilt angle of LC alignment was achieved in this experiment.

再利用不同光强度的圆偏振绿光雷射激发MR，观察并探讨MR吸附的结果，实验结果显示在圆偏振光各方向能量均等的情况之下，不会有扭转角跟倾角产生，且在吸附面上有不均匀的成核现象发生。

A new algorithm of target classification was presented based on the ellipticity angle and the orientation angle.

基于新方法获得的目标最佳极化，提出了一种目标分类算法。

In the third part, the theory of thrust angle and unbalanced forces is studied andapplied to Xiluodu arch dam. some conclusions are obtained :(1) The thrust angle issmaller by elaso-plastic computation than elastic computation. For the non-linearcomputation, the thrust angles at different elevations all increase during overloading,which reveals the internal mechanism of good performance of arch dam in conditionof overloading;(2) The elaso-plastic theory always minimizes the actual unbalancedforces in the sense of a condition number in the norm ofcomplementary energy.

第三部分，通过对溪洛渡拱坝拱端推力角及不平衡力的研究，得出如下结论：(1)非线性计算较弹性计算的推力角大；对于非线性计算而言，拱坝超载过程中各高程段的推力角均有所增加，这反映了拱坝具有较高超载能力的内在机制；(2)在总余能范数的意义上，按弹塑性本构关系确定的不平衡力或加固力是最小的，弹塑性计算确定的加固力和真解相比偏于安全。

If the wrap angle of a bearing pad is 80°, and the wrap angle from entrance edge to pivot is 40°, the geometric parameters of the pad are ,, and .

瓦块包角为80°，入口边到支点的包角为40°，因此瓦块几何参数：，，。

Speckle is also the fundamental uncertainty factor in this kind of sensors. The analytic expression of centroid uncertainty limit is derived from the statistic of laser speckle, and it is shown that the uncertainty limit in RST, and also in anamorphic triangulation, is dependent on the solid angle subtended by entrance pupil as seen from the illuminated laser spot, the triangulation angle, as well as the laser wavelength. The influence of aberration of optical system and surface roughness are also discussed.(4) A method of getting the 3D edge characters based on the integrated vision system is studied.

重点研究了RST中的激光散斑现象，从散斑统计学的角度，首次推导了激光散斑引起的旋转对称三角法位移测量不确定度的极限，结果表明在光学粗糙表面上，该极限由投射激光波长，光学系统入瞳对投射光斑所张的立体角，以及光学系统主光轴与旋转轴的夹角确定；这一结论同样适用于其他变形成像的激光三角法。4基于RST的工作方式，研究了利用集成视觉系统的扫描移动来获得被测物体的低分辨率三维信息的方法。

Calculation of teeth profile of disc cutter for arc-gear;2. The formulas for setting angle and entrance angle of disc cutter s are derived by using the contact condition of space curve.

利用空间曲线相切条件导出了用于计算盘形刀具安装角和切入角的条件；该方法具有以下优点：无需知道工件齿形，可同时获得刀具宽度、半径等参数。

The discharge coefficient increases rapidly as the increase of the pressure ratio in the small blade entrance angle while change smoothly in the big blade entrance angle.

在较小几何进气角时，流量系数随压比增大而增大，在较大几何进气角时，流量系数随压比变化不大。

A cat's eye with its holder construction has been designed and applied to the system. Through defining the acceptance angle and the entrance angle of the cat's eye, its reflective characteristic has been analyzed under the condition of practical application.

偏振分光镜、猫眼、波片及调整误差是引起光能损失、导致干涉光强下降的重要原因，通过选用高精度石英λ/4波片、光信号采样用平板玻璃分光镜及镀增透膜等措施，使光能损失大大减小。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。