| 1. | When all the gold does not dissolve in the solder brittle failure occurs near the goldsolder interface .
当所有的金不能完全溶解在焊钩中时，就会在金与钩的界面附近发生脆性破坏。 |
| 2. | Numerical simulation of rock progressive failure on samples with a pre - existed weak zone during brittle failure
含预制软弱带的岩石破裂过程的数值模拟 |
| 3. | When the failure taking place , the strength of steel plates has not been fully used , it belongs to brittle failure and must be overcome with reasonably measure
破坏发生时，钢板的受拉强度未得到充分利用，属脆性破坏，必须采取合理的锚固措施予以克服。 |
| 4. | 3 the dog - bone moment connections are considered having excellent performance for seismic resistance in steel frame and can avoid the brittle failure happening to the connections effectively
3狗骨式刚性连接是一种旨在改善梁柱连接变形性能，避免脆性破坏发生的有效连接形式。 |
| 5. | 2 the dog - bone moment connections are considered having excellent performance for seismic resistance in steel frame and can avoid the brittle failure happening to the connections effectively
2研究表明，狗骨式刚性连接是一种旨在改善梁柱连接变形性能，避免脆性破坏发生的有效连接形式。 |
| 6. | Lerr is obtained through tracing the variety of elastic energy density of each element and recording the maximal fluctuation when brittle failure happens during numerical calculation
该指标的实现是通过在数值计算中追踪每个单元弹性能量密度变化的全过程，记录单元发生脆性破坏前后的弹性能密度差值，得到单位体积岩体突然释放的弹性能量。 |
| 7. | In response to the limitation of conventional index for stability and optimal design of underground rockmass engineering with high geostress and the drawbacks of conventional energy release rate ( err ) rockburst index based on linear elastic theory without brittle failure phenomenon , local energy release rate ( lerr ) , a new rockburst index is proposed
摘要针对地下工程稳定性分析与优化的常规指标在高地应力条件下的局限性及传统的能量释放率岩爆指标把岩体看成不发生脆性破坏线弹性体的不足，提出局部能量释放率新指标。 |
| 8. | : 36 < kth < 37 mpa / m3 / 2 , 42 < kih < 44mpa / m3 / 2 , 51 < kc < 52 mpa / m3 / 2 through the sem fractography , it is know that the susceptibility to brittle failure at room temperature is more than below 100 ? . and the susceptibility to brittle failure increase with hydrogen increasing , under the sustained loading , ductile cracking appears . the quantity of brittle cracking is more with crack growth
T44mpa m ‘ q ， sl lt52mpa in ’ ”断口分析表明，该合金充氢后其室温时的氢脆敏感性大于100oc时的氢脆敏感性；且随氢含量升高，氢脆敏感性增加：在恒载荷的作用下，该合金裂二纹开始扩展时显示的是韧性起裂；随裂纹增长，试样脆性断裂的比例增大。 |
| 9. | It is proved that the connection and steel frame with beam flange dog - bone reduced have superior behavior to the frame of conventional design and the brittle failure is avoided in the steel frame . and conditions of stress development in the dog - bone , and the reason of the brittle failure in the rigid connections is obtained
了解了狗骨处应力发展状况；探讨了刚性连接发生脆性破坏的原因；并强调指出梁柱连接处焊缝的焊接质量，对能否发挥狗骨式削弱的作用，达到预期的设计目的是至关重要的，必须予以重视。 |
| 10. | 4 pseudo - static force testing of 1 : 2 scale models including three steel frame two with semi - rigid connection and one with dog - bone connection are first carried out in china in order to obtain elastic - plastic behavior of semi - rigid connections and dog - bone connections steel frames under cyclic loading as well as to analyze collapse characteristic and the coming order of plastic hinges of the structure with different connections after structural ultimate strength has lost and conditions of stress development in the dog - bone , and the reason of the brittle failure in the rigid connections is obtained
同时探讨了连接形式对钢框架性能的影响。 4进行了两榀半刚性连接和一榀狗骨式连接平面钢框架结构的拟静力试验。通过试验考察了半刚性连接和狗骨式连接平面钢框架结构在循环荷载作用下的弹塑性性能；了解了不同连接形式的结构在达到极限承载力后的破坏形态和塑性铰出现的顺序。 |
