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- The homological quadratic form 同调二次型
- The total input power flow is expressed in an equation of Hermitian quadratic form as the objective function. 将构造结构总的输入功率流为二次型函数作为控制目标函数,利用哈密尔顿二次型最小值理论给出最优控制力前馈控制表达式。
- This paper proves some Hadamard inequalities from the qualities of positive definite quadratic form. 摘要利用正定二次型的性质,给出阿达马不等式的证明。
- By means of the condition of positive semidefinite of a quadratic form, the location of the tool-axis can be acquired. 传统的数控加工均采用球头刀具,由于刀具与被加工曲面间为点接触,加工精度和效率都较低。
- Given a response surface equation in quadratic form, the Six Sigma Black Belt will be able to compute the stationary point. 给出一个二次方程式形式的响应曲面公式,6西格玛黑带应能计算出驻点。
- We can customize products according to users'requirements: disk, cylinder, quadratic form, ring, sector and some other special shaped magnets. 各种材料制成的圆片、圆柱、方、环、扇、异等形状系列永磁元件。
- The absolute stability of a class of indirect control systems by applying the theory of Hermitian quadratic form and Jordan normal form was studied. 利用厄米特二次型和若当标准形理论研究了一般间接控制系统的绝对稳定性问题,给出了绝对稳定性的代数形式的判别准则。
- With the theory of quadratic form, this essay gives out another way to solve the extremum problems of multi-variable functions. 摘要文章以二次型理论为依据,提出了解决多元函数极值问题的另一种方法。
- Using the singular value decomposition of matrix,the authors give several results on the extremum for matrix quadratic form,which corrects and generalizes some results in [1]. 本文利用矩阵的奇异值分解,给出矩阵二次型极值的若干结果,这些结果修正并推广了文献[1]中的一些结论。
- The ORF-1 gene only esisted among PrV and EHV-1 Ab4 strain, that the homolog of the two strain was 35%. ORF-1基因只存在于PrV和EHV-1 Ab4株中,二者氨基酸同源性为35%25。
- The concavity and convexity of the pluralistic quadratic function is discussed with quadratic form and simple methods are given to recognize concavity and convexity. 利用二次型理论讨论了多元二次函数的凹凸性,并给出了判别凹凸性的简便方法。
- Abstract: In this paper we generalize the theory of local duality and discuss the homological dimension of modules of finite length. 文摘:本文推广了局部对偶理论并讨论了长度为有限的模的同调维数.
- In this paper we generalize the theory of local duality and discuss the homological dimension of modules of finite length. 本文推广了局部对偶理论并讨论了长度为有限的模的同调维数.
- Abstract: The absolute stability of a class of indirect control systems by applying the theory of Hermitian quadratic form and Jordan normal form was studied. 文摘:利用厄米特二次型和若当标准形理论研究了一般间接控制系统的绝对稳定性问题,给出了绝对稳定性的代数形式的判别准则。
- Objective To study the homological nerve s reflex of No.3 vertebra transverse process syndrome in order to understand it better. 目的探讨第三腰椎横突综合征中的同根神经反射现象。更进一步认识第三腰椎横突综合征。
- The paint is sold in powdered form. 该油漆以粉制品形式出售。
- The homolog of the PPO gene among different chestnut plants was 98%-99% in nucleotide acid and 86%-99% in amino acid respectively. 板栗不同材料间PPO基因核苷酸序列和氨基酸序列同源性分别为98%25-99%25和97%25-99%25;
- Abstract : Abstract In this paper, we investigate the difference between PS-ring and nonsingular ring, and obtain a formula of the homological dimensions. 摘要 : 本文刻划了PS-环与非奇异环的差距;给出了一个计算同调维数的公式.
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- Abstract: Using the singular value decomposition of matrix,the authors give several results on the extremum for matrix quadratic form,which corrects and generalizes some results in [1]. 文摘:本文利用矩阵的奇异值分解,给出矩阵二次型极值的若干结果,这些结果修正并推广了文献[1]中的一些结论。