Results 31 to 40 of about 7,353,639 (302)

Physical simulation and drilling optimization design of hydraulic cavitation and permeability enhancement in Wuhushan Coal Mine

Meikuang Anquan
For the problems that poor gas permeability and strong gas adsorption in the coal seams of Wuhushan Coal Mine leads to poor drilling and extraction efficiency and low extraction rate, physical simulation and on-site testing methods were used to ...
Baoze GU
doaj   +1 more source

Optimization of Drilling Parameters in Natural Fibers Composite Plates Based on Grey Relational Analysis

Journal of Natural Fibers
This study focuses on optimizing drilling parameters to minimize delamination, circularity error, and cylindricity in natural fiber composites through a comprehensive full factorial Design of Experiments (DoE) combined with Grey Relational Analysis (GRA).
Mustapha Arslane, Mohamed Slamani, Abdelmalek Elhadi, Salah Amroune, Ahmed Belaadi, Ibrahim M.H. Alshaikh, Djamel Ghernaout   +6 more
doaj   +1 more source

Main progress and development direction of shale gas drilling and completion technologies in southeastern Chongqing

Youqicang pingjia yu kaifa, 2021
Southeastern Chongqing is the first area to realize commercial development of shale gas in China. According to the main development progress of drilling and completion technologies in this area, 10 key technologies are summarized, which are, casing ...
WANG Yanqi, HE Qing, LONG Zhiping
doaj  

Advanced Optimization of Drilling Parameters in Composite Materials: A Topsis-Based Approach for Enhanced Manufacturing Precision

Journal of Natural Fibers
Drilling natural fiber composite materials is challenging due to their anisotropic and heterogeneous structure, which often leads to delamination, thermal damage, and poor surface finish. The key objective of this study is to optimize drilling parameters
Mustapha Arslane, Mohamed Slamani, Abdelmalek Elhadi, S. Amroune, U. Köklü, Madani Grine, B. Louhichi, S. Ataya   +7 more
semanticscholar   +1 more source

Drill Bit Selection and Drilling Parameter Optimization using Machine Learning

IOP Conference Series: Earth and Environment, 2023
Machine Learning (ML) Algorithms have demonstrated their tremendous application in optimizing and enhancing the performance of various complex operations in the field of science and technology.
A. Nautiyal, A. K. Mishra
semanticscholar   +1 more source

Proceedings of the Integrated Ocean Drilling Program 338: Stage 3: NanTroSEIZE Plate Boundary Deep Riser 2

, 2014
<p>As part of the NanTroSEIZE program, operations during Integrated Ocean Drilling Program (IODP) Expedition 338 were planned to extend and case riser Hole C0002F, begun during IODP Expedition 326 in 2010, from 856 to 3600 meters below seafloor ...
Jurado Rodriguez, Maria, Kameo, Koji, Masuda, Harue, Wu, Hung-Yu, Phillips, Stephen, Strasser, Michael, Fabbri, Olivier, Milliken, Kitty, Webb, Susanna, Schleicher, Anja, Geersen, Jacob, Sanada, Yoshinori, Hayashi, Hiroki, Saffer, Demian, Moe, Kyaw Thu, Hüpers, Andre, Kanamatsu, Toshiya, Shan, Yehua, Kanagawa, Kyuichi, Rashid, Harunur, Toczko, Sean, Tudge, Joanne, Maeda, Lena, Takeshita, Toru, Olcott, Katelyn, Heirman, Katrien, Esteban, Lionel, Motoyama, Isao, Underwood, Michael, Ramirez, Sebastian, Kido, Yukari, Wilson, Dean, Kitajima, Hiroko, Sawyer, Derek, Yamaguchi, Asuka, Song, Insun, Hammerschmidt, Sebastian, Oohashi, Kiyokazu, Toki, Tomohiro, Dugan, Brandon, Moore, Gregory, Mishra, Ravi, Skarbek, Robert   +42 more
core   +1 more source

Purification and preparation of Marchantia polymorpha Auxin Response Factor 2 for phase separation studies

FEBS Open Bio, EarlyView.
We describe detailed protocols for the purification and preparation of Marchantia polymorpha Auxin Response Factor 2 (MpARF2). This protein is fused to an MBP solubility tag and an mNG fluorescent tag and is purified from Escherichia coli. The presented procedures make it possible to study MpARF2 assemblies, which could arise from phase separation ...
Bas Janssen, Robin Romein, Willy A. M. van den Berg, Simon Lindhoud, Jan Willem Borst, Carlo P. M. van Mierlo   +5 more
wiley   +1 more source

Real-Time Measurement of Drilling Fluid Rheological Properties: A Review

Sensors, 2021
The accurate and frequent measurement of the drilling fluid’s rheological properties is essential for proper hydraulic management. It is also important for intelligent drilling, providing drilling fluid data to establish the optimization model of the ...
Naipeng Liu, Di Zhang, Hui Gao, Yule Hu, Longchen Duan   +4 more
doaj   +1 more source

A Review on Drilling of Multilayer Fiber-Reinforced Polymer Composites and Aluminum Stacks: Optimization of Strategies for Improving the Drilling Performance of Aerospace Assemblies

Fibers, 2022
In recent years, the use of hybrid composite stacks, particularly CFRP/Al assemblies, and fiber metal laminates (FMLs) has progressively become a convincing alternative to fiber-reinforced polymers (FRPs) and conventional metal alloys to meet the ...
G. Franz, P. Vantomme, M. H. Hassan
semanticscholar   +1 more source

Comparing the Effect of Semi‐Immersive Virtual Reality, Computerized Cognitive Training, and Traditional Rehabilitation on Cognitive Function in Multiple Sclerosis: A Randomized Clinical Trial

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Cognitive impairment is a common non‐motor symptom in Multiple Sclerosis (MS), negatively affecting autonomy and Quality of Life (QoL). Innovative rehabilitation strategies, such as semi‐immersive virtual reality (VR) and computerized cognitive training (CCT), may offer advantages over traditional cognitive rehabilitation (TCR ...
Maria Grazia Maggio, Desiree Latella, Lilla Bonanno, Paulo Cezar Rocha dos Santos, Marcos Maldonado‐Díaz, Meir Plotnik, Rosaria De Luca, Angelo Quartarone, Rocco Salvatore Calabrò   +8 more
wiley   +1 more source