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Research on intelligent decision support systems for oil and gas exploration based on machine learning.
PLoS One
December 2024
Shandong Institute of Petroleum and Chemical Technology, Dongying, Shandong, China.
The process of extracting oil and gas via borehole drilling is largely dependent on subsurface structures, and thus, well log analysis is a major concern for economic feasibility. Well logs are essential for understanding the geology below the earth's surface, which allows for the estimation of the available hydrocarbon resources. The incompleteness of these logs, on the other hand, is a major hindrance to downstream analysis success.
View Article and Find Full Text PDFDual-Method Characterization and Optimization of Drilling Parameters for Picosecond Laser Drilling Quality in CFRP.
Polymers (Basel)
September 2024
Jilin Key Laboratory of Solid-State Laser Technology and Application, Changchun University of Science and Technology, Changchun 130022, China.
Carbon fiber-reinforced polymer (CFRP), known for its light weight, high strength, and corrosion-resistant properties, is extensively used in the lightweight design of satellite components, the optimization of electronic device casings, and the processing of high-performance composite materials in the defense sector. This study employs picosecond laser drilling technology for the precision machining of CFRP, demonstrating its advantages over traditional mechanical drilling and other unconventional methods in significantly reducing the heat-affected zone (HAZ) and enhancing hole wall quality. The optimization of laser power, scanning speed, and fill times via response surface methodology (RSM) significantly reduced the hole wall taper to 4.
View Article and Find Full Text PDFTripod Fixation of Periacetabular Metastatic Lesions Using the IlluminOss Device.
JBJS Essent Surg Tech
September 2024
Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina.
Background: Percutaneous tripod fixation of periacetabular lesions is performed at our institution for patients with metastatic bone disease and a need for quick return to systemic therapy. We have begun to use the IlluminOss Photodynamic Bone Stabilization System instead of the metal implants previously described in the literature because of the success of the IlluminOss implant in fixing fragility fractures about the pelvis.
Description: At our institution, the procedure is performed in the interventional radiology suite in order to allow for the use of 3D radiographic imaging and vector guidance systems.
The Role of Drill Instructors and Gender Integration at Recruit Training: Examining Intersections of Gender and Integration in the Recruit Training Environment.
Mil Med
June 2024
Insight Policy Research, Arlington, VA 22201, USA.
Introduction: Drill instructors (DIs) are responsible for executing their Services' recruit training programs and for training recruits. DIs assume a variety of roles, including teaching and developing practical skills and knowledge, mentoring, modeling appropriate behavior and attitudes, motivating recruits for success during and after recruit training, applying and instilling discipline, and ensuring the safety and welfare of recruits. This article examines two major research questions at the intersection of gender, gender-integrated training, and the DI role: (1) What differences exist in how DIs experience their role by gender? and (2) how does gender-integrated recruit training affect DIs' approach to training?
Materials And Methods: This article draws from 87 semistructured interviews conducted with Service leaders, training cadre, and DIs in service of a broader Marine Corps interdisciplinary study on gender integration at recruit training.
'Drill and fill' or crown it? Unveiling the disconnect in management of primary molars.
Br Dent J
June 2024
Medical Student, Newcastle University Medicine Malaysia, Malaysia.
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