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- apolar quadrics 从配极二次曲面
- We call this surface the stress quadric. 我们称这个曲面为应力二次曲面。
- Conic sections and quadric surfaces. 二次曲线与二次曲面。
- For the apolar compounds, the derivatization was not necessary. 非极性化合物则不需要衍生化。
- How to prove the problems of inequality by quadric form is discussed. 讨论了利用二次型证明不等式的问题.
- Moreover, the results of IR spectrum and apolar component of surface free energy showed that the alkyl chains of OTS tilted on the surface of PTW after the modification. IR分析和色散分量测定表明,改性后OTS的烷基链倾斜在PTW表面。
- Dendrimers are hyperbranched,monodisperse and three dimensional macromolecules,which consist of an apolar core and polar shell have been referred to as "unimolecular micelles". 树状大分子是一类高度枝化的单分散性大分子,其内部结构呈疏水性,外表面呈亲水性,可称为"单分子胶束"。
- The results show that high-efficient apolar and weak polar glass capillary columns can be coated only if this modified surface is treated with deactivation. 研究表明,只要对这种改性表面进行钝化处理,即可涂渍出高效弱极性和非极性毛细管柱。
- A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form. 给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。
- It has appeared many results about regularity for weak solutions of quadric jncreasing parabolic equations. 得到了一类二阶散度型椭圆方程很弱解的一个正则性结果。
- The key idea of SSVM is to transform the standard model of SVM into an unconstraint quadric convex programming problem. SSVM模型的基本思想是将标准的支撑向量机模型转化成一个无约束二次凸规划模型进行求解。
- Extracting quadric surface from measured data is an important problem in reverse engineering of mechanical parts. 摘要在机械产品的逆向工程中,针对测量数据提取常用二次曲面是非常重要的。
- Based on the principle of polar transformation in projective geometry, the authorproposes and proves that two conics on any quadrics are perspective corresponding to each other. 根据射影几何学中的配极对应原理,提出并证明了任意一个二次曲面上的两条二次曲线为透视对应。
- This paper proposes for the first time to use genetic algorithm based on real-number-coding to extract quadric surface. 首次提出利用基于实数编码的遗传算法针对离散数据点进行二次曲面提取。
- The inverse dynamic method of manipulator and the Linear Quadrics (LQ) optimum control method are employed to investigate the problems of trajectory tracking and elimi... 通过数值仿真计算,表明文中方法的有效性。
- On the area of actual process, It is often seen that one surface of the part is quadric surface. 在实际生产中,如果某一加工表面是二次曲面,对于这类曲面轮廓的加工常采用数控加工方法。
- Optimum retention of diazepam on the MIP columns was achieed using an apolar solent, and the binding capacity of the polymer toward diazepam was found to be 110 ng of diazepam/mg of polymer. 在分子印迹聚合物柱上,使用非极性溶剂后,地西泮的保留良好可以实现,并且发现地西泮聚合物的结合容量是110ng地西泮/毫克聚合物。
- At last, the commonly methods and steps for represention quadric surfaces using NURBS was find. 最后总结出了二次曲面进行NURBS表示的一般方法和步骤。
- Based on the research in the medium and strong polar glass capillary column, the coating on the barium sulfate micro crystal modified surface with apolar and weak polar liquid phase is investigated. 本文在中等极性和强极性玻璃毛细管柱研究的基础上,对弱极性和非极性固定液在硫酸钡微晶改性表面上的涂渍情况作了详细的研究。
- Technology parameters were optimized by quadric regression orthogonal rotary design experiments. 结果表明,多糖得率的主要影响因素及其顺序为浸提温度、浸提时间、液固比;