| 1. | Standard test methods for mechanical properties of lumber and wood - base structural material
木材及木基结构材料机械性能的标准试验方法 |
| 2. | The testing person uses the universal testing machine to make material mechanical testing
化验人员用万能材料试验机做材料机械性能试验 |
| 3. | Mechanical properties of sensitized materials ; determination of the scratch resistance on photographic films
敏感材料机械性能.摄影胶片耐划痕性能的测定 |
| 4. | Industrial pipeworks . forged steel flanges and collars . materials . mechanical properties . fabrication . tests
工业管道.锻制钢法兰和套环.材料机械性能制造和试验 |
| 5. | Testing of mechanical properties of radiation sensitive film materials ; determination of the dimensional change of photographic films and papers
辐射敏感材料机械性能试验.摄影胶片和相纸的尺寸变化 |
| 6. | Calculating and analyzing many calculation modes , the effects of plates " sizes and material mechanical properties on ultimate bearing capacity are discovered
并采用该失效模式对大量计算模型进行了计算和分析，找到了底板几何尺寸和材料机械性能对底板极限承载能力的影响规律。 |
| 7. | It results in great degradation of the properities of spacecraft surface materials such as the solar absorptance increase of thermal control coatings , mechanical properties damage of thin films , et al
它会导致航天器的表面材料性能发生极大的退化,例如热控涂层太阳吸收率上升、薄膜材料机械性能变坏、变脆等等。 |
| 8. | The conclusions obtained as follows : firstly , the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly , the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures
最后，采用ansys程序分析了合金材料、复合材料的板、弹体结构的热振动特性。在不同的热载条件下，取得以下结论：升温导致的材料机械性能下降都会降低结构固有频率，而温度梯度产生的热应力可能降低也可能提高结构的固有频率；金属材料结构的固有频率受温度的影响要比复合材料结构的固有频率受温度的影响要明显。 |
| 9. | The change regularity for performance and microstructure of low carbon steel is summarized . the main characteristic of the process is pearlite spheroidizing , increasing of grain boundary width , element segregation and carbide in grain boundary . the change of those microstructure causes the variance of the merchant performance
通过上述的研究工作，总结了火力发电厂用低碳钢在长期运行期间性能与微观结构的变化规律，提出以珠光体球化、晶界宽化、元素晶界偏聚及碳化物晶界析出为主要特征的低碳钢微结构变化规律，以及由此而引起的材料机械性能的变化。 |
| 10. | This thesis makes a new method to investigate and develop the mechanical properties from biomechanical opinion . the impress modulus which can be acquire from the analysis of nanoidentation load - displacement data could be input to the neural networks and the nine material elastic parameters can be output
本论文主要从生物力学的观点，利用神经网络的优势，研究拓宽获得材料机械性能的途径，通过分析纳米压痕试验的数据得到压痕模量，作为神经网络的输入，输出材料的九个弹性参数。 |
