An elastic energy criterion of rock burst was obtained.
探讨了处于弹塑性变形状态下井巷和采场围岩体弹性比能的计算方法,提出了用有限元法分析计算处于弹塑性变形状态受力煤岩体的弹性比能分布的理论与方法,以及产生冲击地压的弹性能判据。
Characterization & EIB testing of the bulkiness property of yarn:1.the notion and the testing of bulkiness;
纱线膨松性能的表征与EIB测试:1.膨松度的概念与测试
Study on the preparation and property of nano SiO_2 generated in-situ/rubber composite materials;
原位生成纳米SiO_2/橡胶复合材料的制备及性能研究
Effect of La on microstructure and property of Sn3.5Ag0.5Cu solder;
镧对Sn3.5Ag0.5Cu钎料组织性能影响
DS-627 high-temperature resistant acid foam agent:preparation and performance evaluation;
DS-627耐高温酸液起泡剂的研制与性能评价
The influence of nano-level powder addition on the microstructure and performance of P/M ferrous-base materials;
添加纳米粉体对铁基粉末烧结件组织与性能的影响
The performance and spinning practice of extro-early ripe and short-quarter cotton "546";
超早熟短季棉“546”的纤维性能及纺纱实践
The effect of different coagulation methods on the mechanical properties of skin rubber;
凝固方法对胶清橡胶力学性能的影响
The effect on structure and properties of mohair treated with plasma;
等离子体处理对马海毛结构性能的影响
Effect of treatment techniques on enamel′s properties;
钢板处理工艺对搪瓷性能的影响