The effective flaw model is developed to describe the S-N curves of composite materials. The two fitted parameters in the model have certain physical meaning.
本文建立了复合材料疲劳寿命曲线的“有效缺陷模型”,阐明了模型中两个参数的物理意义。
The features of isocyanate trimer and physical properties of tri-n-butyl-phosphine for isocyanate trimer catalyzer were introduced.
简要介绍了多异氰酸酯三聚体的特点,以及多异氰酸酯三聚催化剂三正丁基膦的物理性质。
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