| 1. | Testing concrete - recommendations for the measurement of dynamic modulus of elasticity 混凝土试验.第209部分:动态弹性模量测定的推荐方法 |
| 2. | Testing of carbonaceous materials - determination of dynamic modulus of elasticity by pulse excitation - solid materials 炭素材料试验.采用脉冲激励法测定动态弹性模量.固体 |
| 3. | Methods of test for dynamic modulus of elasticity , rigidity and poisson ' s ratio of concrete by resonance vibration 用共振法测定混凝土的动态弹性模量刚性模量及泊松比的试验方法 |
| 4. | Natural stone test methods - determination of the dynamic elastic modulus of elasticity by measuring the fundamental resonance frequency 天然石材试验方法.弹性的动态弹性模量测定 |
| 5. | Testing of carbonaceous materials - determination of dynamic moduls of elasticity by pulse excitation - solid materials , corrigenda to din 51942 : 2002 - 03 碳素材料试验.采用脉冲激励法测定动态弹性模量.固体材 |
| 6. | With changing the value of every parameter of the model , we can analyse the impact on the dynamic modulus of elasticity " of every parameter 然后,改变模型各参数的值,分析各参数对动态弹性模量的影响。 |
| 7. | Comparing the dynamic modulus of elasticity of the model in each age with the corresponding values of the test data , we can verified the feasibility of the method 将求得的各龄期的动态弹性模量与相应的试验数据相比较,验证方法的可行性。 |
| 8. | The results show that the dynamic elastic modulus , loss modulus and complex viscosity of the nanocomposite are higher than those of pp , while the loss factor is lower , that the complex viscosity of the nanocomposites is more sensitive to temperature , and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp , which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp 结果表明:与纯聚丙烯相比,纳米复合材料具有较高的动态弹性模量、损耗模量和复合粘度,力学损耗因子则降低,纳米复合材料的复合粘度对温度的敏感性略高于聚丙烯;界面改性剂的加入增强了有机蒙脱土与聚丙烯的界面作用,与聚丙烯相比,纳米复合材料的流动活化能提高约15 % ,结晶峰温度提高10k左右。 |
| 9. | The job of this paper was divided into two parts mainly . firstly , the numerical simulation approach for polygonal aggregate was presented . secondly , the space analysis model for dynamic modulus of elasticity of concrete was set up , and a series of theories analysis and calculations to the model were performed 本文的工作主要分为两部分,首先提出了混凝土多边形骨料的数值模拟方法,然后为了研究混凝土的动态弹性模量建立了空间分析模型,并对模型进行了一系列理论分析和计算。 |