Results 161 to 170 of about 972,039 (207)

The Adherence Paradox in Uncontrolled Moderate-To-Severe Asthma: A Qualitative Study of Patient Experiences and Unmet Needs. [PDF]

Res Nurs Health
Hu Y, Huang H, Chen M, Gong Z, Yang L, Lan Y, Ouyang W, Zhao W, Zhao H, Cai S.   +9 more
europepmc   +1 more source

Let There Be Light: Photo-Induced Reaction Synthesis-Advancing Manufacturing Horizons. [PDF]

Materials (Basel)
Brachtl S, Rodriguez R, Fujimoto K.
europepmc   +1 more source

Insights into enhanced, divergent, and additive responses to single and combined hypoxia-salt stress. [PDF]

BMC Plant Biol
Jordine A, Alt J, Bonn C, Nolte P, van Dongen JT, Fürtauer L.   +5 more
europepmc   +1 more source

Vibration failure and anti-vibration analysis of an annular-grooved PDC bit

Engineering Failure Analysis, 2020
To extend the service life of drill bits through reducing various drilling vibrations, this paper presents a fundamental analysis of the root cause of failure for polycrystalline diamond compact (PDC) bits during the drill-based process of vortex ...
Kuilin Huang
exaly   +7 more sources

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Experimental and numerical study on the dynamic characteristics of full-size PDC bit

Mechanical Systems and Signal Processing, 2023
Mingjie Cai, Leichuan Tan
exaly   +2 more sources

Research on expression method of PDC bit wear uncertainty and influence of lateral force

Geoenergy Science and Engineering, 2023
Ya-Chao Ma, Lei Tao, Zhun Rong, Kehao Tang, Zhi-Qiang Huang, Chen Ke, Guang-Cheng Wang   +6 more
exaly   +2 more sources

Study on dynamic wear law of PDC bit under temperature effect

Geoenergy Science and Engineering, 2023
Zhiqiang Huang, Xiaofeng Xie
exaly   +2 more sources

Hydraulic parameters optimization of two-stage PDC bit in deep formation applications

Geoenergy Science and Engineering, 2023
Bo Zhang, Heqian Zhao, Zhongwei Huang
exaly   +2 more sources

Study and Application of Rock Breaking by PDC Bit in Ultra Deep In-Situ High-Temperature and High-Pressure Environment

All Days, 2023
The finite element model of the cutting tooth rock system based on ABAQUS is established by using the grid adaptive method. The average stress of each node of the cutting tooth is solved by using the secondary development of PYTHON language, and the ...
Chang-Chang Chen, Guo-Dong Ji, Hongyuan Zhang, Yuqi Sun, Qiang Wu, Haichao Jiang   +5 more
semanticscholar   +1 more source

PDC Bit Wear Condition Judgment Based on Object Detection and Computer Vision

All Days, 2023
In recent years, due to the remarkable advantage of increasing speed and reducing cost, PDC bits has occupied a dominant position in the drilling bits market, becoming the important drilling tools in the petroleum markets.
Donghan Yang, Xian-Zhi Song, Donglei Liu, Zirui Guan, T. Pan, Lin Zhu, Zhao-Peng Zhu   +6 more
semanticscholar   +1 more source