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RISS 인기검색어
- 검색키워드
- 저자 : Rohit Pandey (검색결과 4 건)
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Rohit Pandey,Himanshu Shukla,Balendra Bhaskar,Ashish Shrivastava 대한용접접합학회 2024 대한용접·접합학회지 Vol.42 No.4
Friction stir welding (FSW) is a solid-state joining technique that joins two facing workpieces without melting the workpiece material. It makes use of a deceased item. The region surrounding the FSW tool softens due to heat produced by friction between the revolving tool and the workpiece material. We are now working on specialised applications (lap and butt welding) while concentrating on test sorts. In addition to being faster than the state of the art, both provide lap welds that are 190% of the plate thickness, improve weld honesty, and lessen upper plate decline. Friction stir welding, or FSW for short, is a popular solid state joining method for soft materials like aluminium alloys. For stronger alloys like steel and titanium alloys, the FSW process's economic sustainability hinges on the creation of long-lasting, moderately cost equipment that reliably yields welds with outstanding structural integrity. The performance of the tool, weld quality, and cost are all impacted by material design and choice. This research reviews and critically examines many key FSW tool components, including process economics, geometry and load bearing capacity, frequency response analysis, tool degradation mechanisms, and tool material selection. The Finite Element Method (FEM) approach is used to characterise the process and provide a more comprehensive knowledge of the thermal effects and thermal inaccuracies on the tool materials.
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A curious case of a lost capsule: A rare case of small bowel diaphragm disease
Motij Kumar Dalai,Meghraj Anand Ingle,Vikas Pandey,Shamshersingh Gajendra Chauhan,Yogesh Bairwa,Rohit Wagh 소화기인터벤션의학회 2023 International journal of gastrointestinal interven Vol.12 No.4
Diaphragm disease (DD) is a rare condition that is associated with the use of nonsteroidal anti-inflammatory drugs. It is characterized by multiple diaphragm- like septa that cause a narrowing of the small bowel lumen. The diagnosis of this disorder can be challenging due to its rarity and its nonspecific symptoms, which often suggest other, more probable diseases. We report the case of a 16-year-old boy who presented with iron-deficiency anemia that did not respond to iron supplementation. Despite undergoing endoscopy and computed tomography (CT) enterography, the cause of his condition could not be identified. Capsule endoscopy was attempted, but due to technical difficulties, images could not be obtained. Two years later, the patient's symptoms persisted, prompting further investigation. CT enterography revealed a foreign body in the distal ileum, which was identified as the previously administered capsule. Diagnostic laparoscopy with intraoperative endoscopy was performed to retrieve the capsule. This procedure also revealed multiple short-segment strictures causing luminal narrowing and ulcerations. These were confirmed by histopathology to be lesions associated with DD.
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Kaur Harsimarpreet,Chaudhary Shefali,Mohanty Sriloy,Sharma Gautam,Kumaran S Senthil,Ghati Nirmal,Bhatia Rohit,Nehra Ashima,Pandey RM 한국한의학연구원 2022 Integrative Medicine Research Vol.11 No.1
Background: Nature and intensity of physical activity may influence cognition, coping mechanisms and overall personality of an individual. The objective of this cross-sectional study was to compare cognition, coping styles and vedic personality among individuals practicing different lifestyle. Methods: Thirty-nine healthy young adults of both gender (27.63±4.04 years) were recruited and categorized into three groups; i.e. yoga, physical activity or sedentary lifestyle groups. Participants were assessed on cognition, coping styles and Vedic personality inventory (VPI). Verbal-n-back and Stroop tasks were performed using 3 Tesla MRI scanner. Task Based Connectivity (TBC) analysis was done using CONN toolbox in SPM. Results: There were no significant differences in the cognitive domains across the groups. The planning (p=0.03) and acceptance domain (p=0.03) of the Brief COPE scale showed difference across the groups. Post-hoc analysis revealed that planning and acceptance scores were distinctly higher in the physical activity group, however, there was no difference between physical activity group and yoga practitioners. Similarly, in the VPI, Sattva (p=0.003), Rajas (p=0.05) and Tamas (p=0.01) were different across the groups, and the post hoc analysis showed superiority in Sattva scores in Yoga group, meanwhile, both Rajas and Tamas were higher in the physical activity group. Yoga practitioners preferentially recruited left Superior Frontal Gyrus in relation to the physically active group and precuneus in relation to the sedentary lifestyle group. Conclusion: The study revealed that yoga practitioners had a distinct higher sattva guna and preferentially recruited brain areas associated with self-regulation and inhibitory control. Background: Nature and intensity of physical activity may influence cognition, coping mechanisms and overall personality of an individual. The objective of this cross-sectional study was to compare cognition, coping styles and vedic personality among individuals practicing different lifestyle. Methods: Thirty-nine healthy young adults of both gender (27.63±4.04 years) were recruited and categorized into three groups; i.e. yoga, physical activity or sedentary lifestyle groups. Participants were assessed on cognition, coping styles and Vedic personality inventory (VPI). Verbal-n-back and Stroop tasks were performed using 3 Tesla MRI scanner. Task Based Connectivity (TBC) analysis was done using CONN toolbox in SPM. Results: There were no significant differences in the cognitive domains across the groups. The planning (p=0.03) and acceptance domain (p=0.03) of the Brief COPE scale showed difference across the groups. Post-hoc analysis revealed that planning and acceptance scores were distinctly higher in the physical activity group, however, there was no difference between physical activity group and yoga practitioners. Similarly, in the VPI, Sattva (p=0.003), Rajas (p=0.05) and Tamas (p=0.01) were different across the groups, and the post hoc analysis showed superiority in Sattva scores in Yoga group, meanwhile, both Rajas and Tamas were higher in the physical activity group. Yoga practitioners preferentially recruited left Superior Frontal Gyrus in relation to the physically active group and precuneus in relation to the sedentary lifestyle group. Conclusion: The study revealed that yoga practitioners had a distinct higher sattva guna and preferentially recruited brain areas associated with self-regulation and inhibitory control.
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