19 results on '"Xia, Chengyu"'
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2. Numerical study of rock-breaking mechanism in hard rock with full PDC bit model in compound impact drilling
3. Retractorless Surgery for Tuberculum Sellae Meningiomas via the Frontolateral Approach: A Single Institution's Experience
4. Failure analysis and structural optimization of rubber core and support rib of full-size spherical blowout preventer
5. Study on failure mechanism and sealing performance optimization of compression packer
6. Design and experimental study on a novel sealing structure of rotary control head for coalbed methane underbalanced drilling
7. Fatigue optimization of rotary control head rubber core based on steady sealing
8. The performance optimization of the stripper rubber for the rotating blowout preventer based on experiments and simulation
9. Fatigue optimization of rotary control head rubber core based on steady sealing
10. Individualized Perioperative Blood Pressure Management for Adult Moyamoya Disease: Experience from 186 Consecutive Procedures
11. Fatigue life optimization towards rubber core sealing surface of under-balanced drilling rotating blowout preventer
12. Fracture failure analysis and research on drive shaft of positive displacement motor
13. Retractorless Surgery for Giant Vestibular Schwannomas via the Retrosigmoid Approach
14. Fracture failure analysis and research on special taper thread of cardan shaft Shell of PDM
15. Optimization of fatigue life distribution model and establishment of probabilistic S–N curves for a 165 ksi grade super high strength drill pipe steel
16. Response of the buried steel pipeline caused by perilous rock impact: Parametric study
17. Failure analysis of directional crossing pipeline and design of a protective device
18. Design of continuous circulation sub for gas drilling and the mechanical analysis on the sub body
19. Primary intrinsic optic chiasm germinoma
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