Then, on the basis of the expression for notch strength of brittle material and the fundamental principle of probability theory, correlations between the statistical characteristic parameters o.

进而根据脆性材料切口强度表达式和概率论一般原理，求得了切口强度和弯曲强度统计特征参量间的相互关系表达式，并进行了验证。

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Compared with the forging die steel, casting forging die steel although toughness is low, but high strength, red hardness is good, with low notch sensitivity and high resistance to thermal fatigue.

与锻造模具钢相比，铸造热锻模具钢虽然韧性低，但强度高、红硬性好，具有较低的缺口敏感性和较高的抗热疲劳性。

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The effects of testing temperature on notch impact strength, fractographic features and fracture surface roughness of PVC have been studied.

研究了温度对聚氯乙烯PVC缺口冲击强度、断口形貌特征及断面粗糙度的影响。

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Stocks that have exhibited consistently high relative strength over the past several months and weeks continue to notch new highs.

FORBES