| 1. | Study on the attenuating model of detonation shock wave in the pmma gap 爆轰冲击波在有机隔板中衰减模型的研究 |
| 2. | Imitating strength increasing model presented before , an experiential strength decreasing model is brought forward 摘要提出评价结构强度衰减过程的经验模型强度衰减模型。 |
| 3. | According to this model , the s - n curve of a material can be measured with much less samples than before 强度衰减模型结合强度增长模型,可以为基于结构强度潜力充分发挥的轻量化设计提供技术指导和评价依据。 |
| 4. | It including the choice of factors and decision of weight value , the calculation of factors of land grading , the choice of calculation models and declining models 具体介绍了各种定级因素的选择及权重的确定,因素作用分的计算,定级因素因子计算模型和衰减模型的选择。 |
| 5. | In this paper , based on resisting force model and load model , the limit state equations of rc bridge are established , thus the time - dependent relationship of rc bridge reliability is analyzed 本文在抗力衰减模型及桥梁荷载模型的基础上,通过建立耐久性极限状态方程,分析计算桥梁可靠度随时间的变化情况。 |
| 6. | In this article , a new theoretical model on diametral growth ( or ballooning ) of coiled tubing ( ct ) under the action of an internal pressure is derived based on fatigue cyclic softening and elasticity and deformation plasticity theories 根据疲劳循环屈服强度衰减模型和弹塑性变形理论,推导了连续油管在内压作用下的直径增长(鼓胀)的理论模型。 |
| 7. | Abstract : in this article , a new theoretical model on diametral growth ( or ballooning ) of coiled tubing ( ct ) under the action of an internal pressure is derived based on fatigue cyclic softening and elasticity and deformation plasticity theories 文摘:根据疲劳循环屈服强度衰减模型和弹塑性变形理论,推导了连续油管在内压作用下的直径增长(鼓胀)的理论模型。 |
| 8. | Based on analyzing the theoretical model of ultrasonic attenuation , the formula was integrated into the ultrasonic attenuation model , and the relation of ultrasonic attenuation to pulp density and particle size was derived 在分析超声衰减基本理论模型的基础上,将不同粒径的筛下累积含量集成到超声波衰减模型中,推导出超声波衰减与矿浆浓度、粒度之间的关系模型。 |
| 9. | Firstly , each single factor ( concrete carbonation , steel bar corrosion materials strength ) related the resisting forces of rc bridges is considered in this paper . then a resisting force model for multiple factors is created based on two types of steel bar corrosion : general and localized corrosion models 本文首先考虑混凝土碳化、钢筋锈蚀、材料强度等单因素对桥梁结构抗力衰减的影响,然后在此基础上建立多因素综合作用下的结构抗力衰减模型。 |
| 10. | Primarily there are two aspects : 1 ) the calculation model of the value of land classifying units - - model of time distance attenuation . in the calculation model of the value of land classifying units , author brings forward the model of time distance attenuation . in this model adopting the network analysis , and by establishing the road network , and proceeding path analysis , computing the time distance , then proceed the exponential attenuation or straight line attenuation on time distance , get the value of influence factor of the land classification unit 主要有两个方面: 1 、定级单元分值计算模型? ?时间距离衰减模型在定级单元分值的求取模块中,提出了时间距离衰减模型,模型中采用网络分析的方法,通过建立道路网络,进行路径分析,求取时间距离,进而按时间距离进行指数衰减或直线衰减,得到定级单元因素因子影响分值。 |