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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9842452 | PMC |
| http://dx.doi.org/10.1055/a-1996-0223 | DOI Listing |
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Study on material removal of double abrasive grains in ultrasonic assisted abrasive cloth wheel of GH4169 alloy blade.
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College of Mechanical and Electrical Engineering, Wenzhou University, Wenzhou, 325035, China.
As a critical component of aero-engines, the processing quality of the blade has a significant impact on the engine's overall performance and service life. First, from the perspective of double abrasive grains, two finite element models-simultaneous and sequential scratches-are established. The interaction between the two abrasive grains affects not only the polishing force and chip formation but also the surface morphology of the processed workpiece.
View Article and Find Full Text PDFComparative study of the removal of urea by electrocoagulation and electrocoagulation combined with chemical coagulation in aqueous effluents.
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Civil Engineering Department, Benha Faculty of Engineering, Benha, 13512, Egypt.
Urea is a major issue in human wastewater because it may be easily broken down by the urease enzyme produced by bacteria, leading to ammonia production. Due to its ability to increase soil pH and eutrophicate streams, ammonia-containing effluent emissions pose environmental and health risks. This study aimed to evaluate the effectiveness of various treatment approaches in reducing urea concentrations by comparing the removal rates of conducting electrocoagulation (EC), EC followed by chemical coagulation (EC-CC), and CC followed by electrocoagulation (EC-CC).
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View Article and Find Full Text PDFThe double plate technique combined with the cable technique for treating sternoclavicular joint dislocation: a case report.
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Department of Trauma Orthopaedics and Hand Surgery, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.
Background: Sternoclavicular joint dislocation (SJD) is rare, and joint instability after dislocation easily leads to deformity, pain, and limitations in performing activities, often requiring surgical treatment. Currently, there is no ideal internal fixation method for SJD.
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