1) relative surface
相对曲面
2) relative surface fitting
相对曲面拟合
3) Relative area under disease progress curve
相对病程曲线下面积
4) relative curvature
相对曲率
1.
It is also analyzed that the parameters of initial pressure angle and its increment may influence the relative curvature at the meshing point to become zero.
介绍了微段渐开线齿条齿廓形成原理及形成过程,建立了微段渐开线齿条齿廓的直角坐标方程,证明了影响齿廓弯曲程度的参数是基圆半径,影响啮合点相对曲率为零的参数是初始压力角和压力角增量,提出了需对这些参数进行优化设计并给出了优化计算结果。
2.
If the relative curvature of a certain curve on the first control point and the direction angle of the first port’s tangent vector is given,here can get the whole curve by using the character of the port of quadratic uniform B-spline curve.
提出了一种二次均匀B样条插值曲线的构造方法,首先给定某一段曲线首点的相对曲率和该段曲线的首端切矢量的方向角,利用二次均匀B样条曲线的端点性质,求出其余各段曲线控制顶点,来生成整条插值曲线。
3.
In this article the authors first put forward a few simpler and easier methods for calculation the evolute equation, the formula of relative curvature; then, discuss the methods for calculating the equations of the tangent line, the normal plane, the osculating plane, the binormal, and the rectifying plane; and finally popu.
文中给出了有关渐缩线方程 ,相对曲率计算公式的更简便的推导 ;讨论了如何才能很快地做出切线 ,法面 ,密切平面 ,副法线和从切平面方程的方法 ;还对有的习题进行了推广 。
5) local inclination
相对弯曲
1.
With an analysis of the settlement, local inclination and internal force of the elastic foundation board on the non_uniform ground, the paper gives a description of the deformation feature of the elastic foundation board on the non_uniform ground.
通过分析非均匀地基上弹性地基板的沉降、相对弯曲及内力情况 ,提出了非均匀地基上弹性地基板变形和内力的变化特
6) symmetric curved surface
对称曲面
1.
By means of discussing plane symmetry that relates to point, curved surface and curve in a three-dimensional space, this paper gives a method to study point?curved surface?plane symmetric point on a curve?symmetric curved surface and symmetric curve equation.
讨论了三维空间中,点、曲面、曲线关于平面的对称问题,从而给出了求点、曲面、曲线关于平面对称的对称点、对称曲面、对称曲线方程的方法。
补充资料:曲线下面积
分子式:
CAS号:
性质:给药后以血药浓度为纵坐标,以时间为横坐标所得曲线下的面积。通常可用积分法或梯形法求得。AUC的单位是药物质浓度×时间(如)。对于具有线性动力学特点的药物,AUC值与剂量成正比,因而有AUC可能 表示服用某一剂量药物后一定时间内吸收入血的相对分量。还可通过比较血管外途径与静脉注射给药的AUC来确定该药的吸收分数。
CAS号:
性质:给药后以血药浓度为纵坐标,以时间为横坐标所得曲线下的面积。通常可用积分法或梯形法求得。AUC的单位是药物质浓度×时间(如)。对于具有线性动力学特点的药物,AUC值与剂量成正比,因而有AUC可能 表示服用某一剂量药物后一定时间内吸收入血的相对分量。还可通过比较血管外途径与静脉注射给药的AUC来确定该药的吸收分数。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条