release rate

Two parameters of the crack dynamic propagation driving force, energy release rate and crack tip opening angle, are calculated by establishing a finite element model of the crack dynamic propagation in gas pipelines and considering the attenuation of the crack propagation velocity.

通过建立输气管道裂纹动态扩展的有限元模型，并在模拟计算中考虑裂纹扩展速度的衰减，分别计算了表征动态裂纹扩展驱动力的两项参数&能量释放率和裂纹尖端张开角；

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Systematic study is done for the strain energy density factor criterion, distortional strain energy density factor criterion, dilatational strain energy density factor criterion, circumferential tensile stress criterion, energy release rate criterion and twin shear stress criterion.

对应变能密度因子准则、形状改变能密度因子准则、体积改变能密度因子准则、能量释放率准则以及最大周向拉应力准则和双剪应力准则进行了系统地研究。

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Acrylic acid resin ⅱ, ⅲ was the main thin film coating material, the coating pellet rate of finished products was high, finished produce can achieve at the intestines department release request by dissolve determination in vitro.

以丙烯酸树树脂Ⅱ号、Ⅲ号为主要薄膜包衣物料，所制得包衣微丸成品率高，体外溶出度实验表明，药物能够达到在小肠定位释放的要求。

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Results: Drug release rate of the tablets did not change with the change of medium.

结果: 渗透泵的释药不随释药环境的改变而改变.

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The high temperature treatment increased the release rate of ethylene from grains.

高温处理增加了籽粒乙烯释放速率，抽穗灌浆早期高温处理乙烯释放速率增加的幅度大于灌浆中期，弱势粒乙烯释放增加速度要高于强势粒。

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Objective To prepare nicotinic acid micropellet and to research the release rate.

目的制备烟酸微丸并考察其溶出度.

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Analysis to the Attack Speed of the Attack after Receive between the Chinese Men's Volleyball Team and Powerful Teams in the World CFC release rate

中国男排与世界高水平男排一攻进攻速度分析氯氟碳化合物的排放速度

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According to the heat release rate, the reaction pathway to ignition of sample alkane is analyzed.

利用新型的绝热量热仪研究了两种典型烷烃的自加热过程,采取了增大样品容器体积和加压的方法,得到了正庚烷和正十六烷的初始反应温度 、 大升温速率和最大升温速率对应的温度.

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