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临界函数
相关语句
  critical function
     The Bounds of Critical Function for (k,s)-SAT
     关于(k,s)-SAT临界函数上下界的研究
短句来源
     For positive integer r≥3, there exists a critical function f(r) such that all formulas in (r,f(r))-CNF are satisfiable, but (r,f(r)+1)-SAT is already NP-Complete. It is open whether or not the function f is computable.
     对于正整数r≥3,有一个临界函数f(r),使得(r,f(r))-CNF中的公式都是可满足的,而(r,f(r)+1)-SAT却是NP-完全的.
短句来源
     We found experimentally that the CD spectral change induced upon complexation is a critical function of temperature and concentration of modified β-cyclodextrin.
     实验发现结合诱导的CD光谱变化是温度和修饰环糊精浓度的临界函数
短句来源
  “临界函数”译为未确定词的双语例句
     It is known that there exists an exponential function f such that for s ≤ f{k), all (k, s)-SAT instances are satisfiable, but (k, f(k)+1)-SAT is already NP-complete(k> 3). We term f(.)
     已经验明对于正整数k,s,存在一个指数函数f,满足:对任意s≤f(k),所有的(k,s)-SAT例都是可满足的,而(k,f(k)+1)-SAT却是一个NP—完全问题。 于是我们称f(.)为关于(k,s)-SAT的临界函数
短句来源
     The failure function is established by Hill Criterion. The second order moment method and Hasofer Lind method for multiple random variables and nonlinear failure function are used to find the failure point and reliability of the failure model.
     首先利用 Hill准则建立临界函数 (破坏函数 ) ,对于多随机变量及非线性破坏函数利用二阶矩方法及 Hasofer- Lind方法找出破坏点和这种破坏模式的可靠度。
短句来源
     The long- term average daily soil moisture are used as drought determinants. After statis-tical analysis,a method for analyzing severeness of regional drought,specially for plain area,has been given whilea quantitative criterion of drought has been set up the method has been put into test utilization for the HuabeiPlain.
     以多年平均土壤含水量为判断旱情发生的临界函数,经过统计分析后,提出了一种适用于平原地区分析区域旱情严重程度的实用方法和拟定评价旱情的定量标准。
短句来源
  相似匹配句对
     The Bounds of Critical Function for (k,s)-SAT
     关于(k,s)-SAT临界函数上下界的研究
短句来源
     RE-EXAMINATION OF TRANSIENT ENERGY FUNCTIONS AND CRITICAL ENERGY
     再论暂态能量函数临界能量
短句来源
     The icm-sum function
     最小公倍数的和函数
短句来源
     The Lcm-sum Function
     最小公倍数的和函数
短句来源
     (M, H)-Critical Matrices
     (M,H)-临界矩阵
短句来源
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  critical function
In-vitro protein binding assays showed that the mutation severely reduced interaction of the domain with SmB protein and fibrillarin, suggesting that it impairs the critical function of SMN.
      
Cognition is a critical function that might provide a sensitive way to examine this question.
      
In late embryonic pancreas, Id1 co-localized with GATA4, a transcription factor known for its critical function in glucagon cell development.
      
The experimental data are generalized to a critical function.
      
These two mutants provide further evidence for the hypothesis that many genes expressed prior to fertilization also perform a critical function during growth and development of the sporophyte.
      
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This paper is based on stress analysis of directionally solidified turbine blade with the Finite Element Method.The reliability analysis method with a simple failure model is proposed.The failure function is established by Hill Criterion.The second order moment method and Hasofer Lind method for multiple random variables and nonlinear failure function are used to find the failure point and reliability of the failure model.The methods are checked...

This paper is based on stress analysis of directionally solidified turbine blade with the Finite Element Method.The reliability analysis method with a simple failure model is proposed.The failure function is established by Hill Criterion.The second order moment method and Hasofer Lind method for multiple random variables and nonlinear failure function are used to find the failure point and reliability of the failure model.The methods are checked by Monte Carlo method.

本文在正交异性材料定向结晶涡轮叶片的应力有限元分析的基础上 ,以一种简单的破坏模式列出了可靠度的计算方法。首先利用 Hill准则建立临界函数 (破坏函数 ) ,对于多随机变量及非线性破坏函数利用二阶矩方法及 Hasofer- Lind方法找出破坏点和这种破坏模式的可靠度。并用Monte- Carlo方法予以验证。

In this paper ,a soil moisture simulating model is used to provide necessary infomation for ana-lyzing regional drought. The long- term average daily soil moisture are used as drought determinants.After statis-tical analysis,a method for analyzing severeness of regional drought,specially for plain area,has been given whilea quantitative criterion of drought has been set up the method has been put into test utilization for the HuabeiPlain. The results show a coincidence with the historic records,The method...

In this paper ,a soil moisture simulating model is used to provide necessary infomation for ana-lyzing regional drought. The long- term average daily soil moisture are used as drought determinants.After statis-tical analysis,a method for analyzing severeness of regional drought,specially for plain area,has been given whilea quantitative criterion of drought has been set up the method has been put into test utilization for the HuabeiPlain. The results show a coincidence with the historic records,The method proves practical and prospective

旨在应用平原地区土壤水模拟模型,给出区域旱情分析所需的干旱信息。以多年平均土壤含水量为判断旱情发生的临界函数,经过统计分析后,提出了一种适用于平原地区分析区域旱情严重程度的实用方法和拟定评价旱情的定量标准。此方法经在华北平原聊城等地区试用,结果表明,干旱模拟成果与地区历史文献记载的实际旱情基本一致,具有一定的实用价值与推广远景。

A new method for reliability analysis of discs′ LCF life is presented. In the method, a failure critical equation deduced directly from the Manson Coffin LCF life formulae and its derivatives with respect to the random variables are given. By use of probabilistic finite element method, a new formulation for reliability analysis of discs′ LCF life is set up. Finally, several numerical examples are given. The comparison between the results obtained from the present method and those obtained by use of the...

A new method for reliability analysis of discs′ LCF life is presented. In the method, a failure critical equation deduced directly from the Manson Coffin LCF life formulae and its derivatives with respect to the random variables are given. By use of probabilistic finite element method, a new formulation for reliability analysis of discs′ LCF life is set up. Finally, several numerical examples are given. The comparison between the results obtained from the present method and those obtained by use of the method deduced directly from Landgraf′s LCF life formula demonstrates that the present method is more reasonable in the practical strain range of aeroengine discs and safer reliability results of discs′ LCF life can be obtained from it.

从Manson-Cofin公式出发,建立了新的低周疲劳寿命失效临界函数及其对随机变量的导数公式,并结合概率有限元法求得轮盘低周疲劳寿命的可靠度,从而解决了采用Landgraf寿命公式的不足。结果表明,本文所提出的新方法在发动机轮盘应变水平范围更趋合理,且结果偏安全。

 
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