Efficacy of small-diameter core decompression with platelet-rich plasma in early osteonecrosis of the femoral head: a retrospective study by Haiwei Tang, Yahao Lai, Enze Zhao, Kai Zhou, Gang Chen, Zongke Zhou

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Study on the abrasion property of the anvil inside a hydraulic DTH hammer fitted with horizontal oriented sliders by J. He, Q. Yin, K. Yin

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Rockburst prediction based on multi-featured drilling parameters and extreme tree algorithm for full-section excavated tunnel faces by Wenhao Yi, Mingnian Wang, Qinyong Xia, Yongyi He, Hongqiang Sun

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Considerations on the choice of experimental parameters in residual stress measurements by hole-drilling and ESPI by C. Barile, C. Casavola, G. Pappalettera, C. Pappalettere

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Study on the abrasion property of the anvil inside a hydraulic DTH hammer fitted with horizontal oriented sliders by Jiang-fu He, Qi-lei Yin, Kun Yin

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Remarkable improvement in drilling fluid properties with graphitic-carbon nitride for enhanced wellbore stability by Anwar Ahmed, Erum Pervaiz, Iftikhar Ahmed, Tayyaba Noor

Subjects: “…Drilling fluids…”
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Numerical simulation analysis of effect of borehole gas extraction under fluid‐structure interaction by Lin Wang, Ziyao Yang, Xiangjun Chen, Shuailong Feng

Subjects: “…directional drilling…”
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PARAMETER OPTIMIZATION OF DRILL PIPE FOR SPIRAL DRILLING MACHINE BASED ON FINITE ELEMENT METHOD by YU Ning, TIAN LiYong, SUN JuTao

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Outburst mechanism and hazard prevention technique of limestone aquifer under isolated island panels by Wei Wang, Wei Wang, Wei Wang, Yanjun Wu, Yanjun Wu, Yanjun Wu, Yongli Shi, Yongli Shi, Yongli Shi, Jingzhong Zhu

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ADDITIVE MANUFACTURING THROUGH 3D PRINTING FDMFUSED DEPOSIT MODELING OF PRESS BUSH by Sorin Alexandru FICĂ, Andrei DIMITRESCU, Claudiu BABIȘ

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Study on the Vibration Influence Law of Bored Cast-in-place Pile Construction on Existing Strata and Pipe Trenches by NIE Peng

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„WASHING HEAD HOUSING” 3D PRINTING FROM FA 100 DRILLING INSTALLATION, USING PETG FILAMENT by Sorin Alexandru FICĂ, Claudiu BABIȘ, Andrei DIMITRESCU

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DYNAMIC ANALYSIS AND SIMULATION OF FULL ROTARY BUILT-IN STEERING DRILLING TOOLS by ZHANG GuangWei, QIAO Yang, TIAN Fan, GAO SiTu, YIN FuLai

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Hearing Performance and Soft-Tissue Outcomes of Minimally Invasive Ponto Surgery and Local Anesthesia in Children with Unilateral Craniofacial Malformation by Andrea Caruso Leone, Arthur Menino Castilho, Fabiana Danieli, Daniela Bortoloti Calil, Katia de Almeida

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Slope Stability Using Self-Drilling Anchor Rods by Bulko Roman, Mužík Juraj, Cigáň Filip

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Contactless Energy Supply for Medical Drill with Integrated Temperature Sensor by Knott Anna-Lena, Sanders Mark, Prinzen Tom, Klenzner Thomas, Schipper Jörg, Kristin Julia, Schmitt Robert H.

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Repair of Ceramic Ware in the Neolithic and Eneolithic (case study of the extreme North-East of Europe) by Viktor N. Karmanov

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THE LIFE OPTIMIZATION OF THE SEALING SURFACE OF THE ROTATING CONTROL HEAD RUBBER CORE BASED ON THE EXPERIMENT by HE YuHang, HOU ZuoFu, ZHAO JingYing, XIA ChengYu, WU JiWei, HUANG Jian, FANG Yong

Subjects: “…Underbalanced drilling…”
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Collision detection method for anchor digging machine water drilling rig by Zhi-xiang Liu, Shu-tong Yan, Kang Zou, Miao Xie

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Formation of the Figge Maar Seafloor Crater During the 1964 B1 Blowout in the German North Sea by Jens Karstens, Jens Schneider von Deimling, Christian Berndt, Christoph Böttner, Michel Kühn, Benedict T. I. Reinardy, Axel Ehrhardt, Jonas Gros, Bettina Schramm, Dirk Klaeschen, Judith Elger, Matthias Haeckel, Mark Schmidt, Sven Heinrich, Philipp Müller, Frithjof Bense

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