Fracture mechanics parameters of new brands of cemented carbide are studied.
对两种国产新牌号硬质合金的断裂力学参数进行了研究。
The notch blasting mechanism is expounded by the fracture mechanics principle, the cutting tool parameters for notch presplitting blasting is put forward.
利用断裂力学原理阐明了切槽爆破机理，提出了切槽预裂爆破的刀具参数，依据现场初步试验成果指出了下一步应改进的切槽刀具参数。
We did studies about the correlation of logging data and mechanics parameters of stratum by doing experiments so that the theory of fracture pressure and collapse pressure can become practical.
为了使坍塌压力和破裂压力理论变成一项可操作的技术，我们通过室内实验进行了测井参数与地层力学参数相关性研究。
We did studies about the correlation of logging data and mechanics parameters of stratum by doing experiments so that the theory of fracture pressure and collapse pressure can become practical.
为了使坍塌压力和破裂压力理论变成一项可操作的技术，我们通过室内实验进行了测井参数与地层力学参数相关性研究。
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