s n

A s n curve of structural detail and testing method

结构细节的a-S-N曲线及其试验方法

Small sample test method for s n and p s n curves

SN曲线和PSN曲线小子样测试方法

Several useful statistical methods used for dealing with p s n curve

几种有效的P-S-N曲线的数据处理方法

The simple and convenient method to measuring p s N curve of materials

测定材料pSN曲线的一种简便方法

New method for estimating fatigue life three-parameter p s N curves

估计疲劳寿命三参数PSN曲线的新方法

A Modified P S N Method for Assessing Fatigue Behaviour

一种改进的评估疲劳特性的P-S-N方法

New method for obtaining sonic fatigue S N curves at elevated temperature

一种获得高温声疲劳S&N曲线的新方法

Confidence level of the P S N determined by the maximum likelihood principle

极大似然法测定p-S-N曲线的置信度

An analysis on the test scheme of P S N curve by the use of simulated testing method

用模拟试验法对P-S-N曲线试验方案的分析

Synthesis and Characterization of Iron Carbonyl Clusters Containing P S N Coordination Atoms

含硫磷配位原子的铁羰基簇合物的合成与表征

An optimization method for fitting three parameter equation of constant amplitude P S N curve is presented .

等幅疲劳P-S-N曲线采用三参数幂函数方程形式。

For safety and reliability of fatigue analysis the reliability and confidence of a S N curve are considered .

为了用aSN曲线进行耐久性分析或疲劳分析时的安全可靠，给出了给定置信水平和可靠度下的aSN曲线。

Three segment a S N curve of structural detail , which is described by the characteristic stress of structural detail , and testing method are presented .

给出用结构细节特征应力表征的结构细节的三段aSN曲线及其试验方法。

A modified P S N ( failure probability stress level fatigue life ) method is put forward , resulting in an extension of the application range of this method .

提出一种改进的P－S－N（破坏概率－应力水平－疲劳寿命）方法，从而扩展了这一方法的应用范围。

Then , the S N and p S N curves for the welded specimens were established . The equivalent K t method was proved reasonable .

进而建立电子束焊接件的SN曲线与pSN曲线，并对当量应力集中系数法的合理性进行了检验。

The characteristics of the basin and range province in Southeast China is shown by longitudinal blocks in S N and cross zones in E W.

东南地区的盆岭构造总的面貌呈现南北纵向分块，东西横向分带之特征。

Based on two hypothesis , a new kind of four parameters model was posed that used on S N curve over long and middle life range of composite laminate .

本文提出一种新的基于两个假设条件下，用于复合材料层压板中、长寿命区S-N曲线构造的四参数模型。

Several methods of structure fatigue life prediction , including nominal stress approach ( S N approach ) and local strain approach (ε N approach ), are presented in detail .

名义应力法（SN法）和局部应变法（εN法）的疲劳设计技术在文中得到详细说明。

The results also displayed a configuration similar to the schematic given by Schindler , which may explain the low occurrence frequency of the S N events .

数值结果还展示了与Schindler示意图相类似的磁力线拓扑位形，在一定程度上为南&北事件出现几率低作出了解释；

It is shown that the test data approximately follow the present life distribution . The equations of S N and P S N curves of hydraulic concrete are obtained .

通过分析发现，实验数据能较好地符合该分布，同时得出了该种混凝土的SN曲线和PSN曲线。

Compared with other methods , it allowed for nothing of fatigue principle , but fatigue test data and it determined the S N curve equation with purified mathematical way .

与其它方法相比，此方法不用考虑疲劳机理，只是根据疲劳试验数据，用纯数学方法来确定S-N曲线方程。

This paper researches the S N curves of aluminum alloy LY12 CZ under the constant amplitude loading after the corrosion of different equivalent calendar years .

本文研究了在加速腐蚀当量环境谱作用后，LY12-CZ铝合金材料的S-N曲线随日历年限的变化规律。

S N curves of sorts of metals under general condition have been maturity . But the S N curves considering the effect of corrosive environment are reported .

目前常规条件下各种金属材料的S-N曲线已基本完备，但是考虑腐蚀环境影响的S-N曲线还很少见。

An expression for the stress life relational curve ( S N curve ) of metal is proposed which bears the advantage of simple form and easy access to parameter solution .

提出了一种金属材料应力－寿命关系曲线（S－N曲线）的表达式，该表达式形式简单，参数容易求解。

According to the maximum likelihood method inferred , the fatigue test of the incomplete penetration welded joints was conducted , and the P S N curves were obtained .

按照得到的极大似然方法，进行了含未焊透缺陷接头的疲劳试验，得到了相应的PSN曲线。

The cheapest articles at the sale were quickly s n apped up The shows kick off on October 24th .

大减价中最便宜的物品很快被抢购一空。演出10月24日开始。

On the basis of test data of crack initial life , the factors c p in three parameter formula of crack initial p s N curves for structural details are determined by backward compute method .

依据裂纹萌生寿命试验数据，用计算反推法确定结构细节裂纹萌生psN曲线三参数式的参数cp；

For selecting nuclides to transform slow neutron into gamma photon effectively , the main decisive aspects are analyzed basing on relative cross section data and a specific model is calculated by using S N method .

为选出能有效地实现慢中子γ光子转换的核素，根据有关截面数据分析了主要的决定因素，并结合具体模型用离散纵标法作了计算。

The relationship between the N 0 of S N curves for notched specimens with various degrees of sharpness and the N 0 of S N curves for smooth specimens are studied subsequently .

然后，对不同锐度缺口试样SN曲线的N0值与光滑试样SN曲线的N0值间的关系进行了研究。

Two new equations of the S N curve equation and the E N curve equation are presented in this paper . These equations are with four parameters , therefore they have better physical properties than those with two or three parameters .

首先提出了两个新的复合材料全寿命范围的E-N曲线方程与S-N曲线方程，与过去的双参数和三参数曲线公式相比，此二方程因均有四个参数而具有更好的物理性质；