This cross-sectional descriptive type of study was conducted to explore the level of stress and depression and to find out the various socio-demographic, academic factors which act as barriers to study among undergraduate medical students of Bangladesh. The study was conducted at Dhaka Medical College during the period of April 2009 to June 2009. The students of 1st year to 5th year were the study population. A total of 425 students participated in the study. After taking proper approval from the concerned authority adopting convenient sampling technique data were collected through a self administered questionnaire with validated Kessler 10 psychological distress scale. The study revealed that only (1%) respondents were free from any sorts of psychological stress. Over one third (34.6%) had mild stress, (39.8%) moderate stress and about one fourth (24.9%) was suffering from severe stress according to Kessler 10 Psychological distress scale. A significant proportion of male respondents (73%) had moderate to severe psychological distress compared to the female respondents (56%) p<0.001. A significant higher proportion (56%) of those experiencing study pressure had moderate to severe stress as well (p<0.001). Having political affiliation, higher proportion of students (66%) reported no or mild stress. It is researchers opinion that politically affiliated students usually maintain good relationship with their teachers which help them to pass or they influence their teachers to bring result in their favor or teachers favor them to keep their position undisturbed. Lower proportion (34%) reported to have moderate to severe stress. The differences between politically affiliated and not politically affiliated groups are statistically significant p<0.001.This study demonstrates that factors which are responsible for students stress and depression are not similar in all countries. Sources of stress of our students should be checked out for the betterment of our students. The study recommended that need for intervention like social and psychological support to improve the quality of life of medical students. Students advisors should be provided who will train students about stress management. DOI: http://dx.doi.org/10.3329/bjme.v2i1.18130 Bangladesh Journal of Medical Education Vol.2(1) 2011: 6-9
A novel rotary applicator has been designed to feed high-pressure coolant jets while maintaining the tool's strength in order to improve the Ti-6Al-4V alloy's poor machinability. Average cutting temperature, principal cutting force, mean surface roughness, and tool wear were all taken into account when evaluating the machinability of various speed-feed combinations. Dry milling produced the worst results for all of the investigated reactions, with excessive tool wear and poor machinability happening due to the lack of cooling and lubrication. HPC and RHPC both outperformed dry, but RHPC was the clear winner in all investigations. HPC is distinguished by the rotational supply of high pressurized coolant jets delivered through several nozzles rather than the typical nozzle. This results in effective cooling and lubricating during RHPC. The higher forced convection heat transfer mechanism of high-pressure cutting fluids controls cutting temperatures amazing along with its protective film formation. Cutting forces and surface roughness are reduced roughly 14% and 17.44% in RHPC compared to HPC. Similarly, as a result of better temperature management by RHPC, flank wear is greatly reduced while tool life is increased ( 9 min).
Background: The medical internship of Bangladesh is designed supervised training programme for newly graduate medical doctors to gain necessary knowledge, skills, attitudes, ethics necessary to identify, analyze and manage clinical problems in order to provide effective, efficient and competent patient care independently in future. Methods: This cross-sectional descriptive study was conducted from 01 July 2021 to 30 June 2022 upon 400 intern doctors to get their views administering a self-administered structured questionnaire about current practice of the logbook-based internship programme in undergraduate medical education of Bangladesh. Results: The study found that mean sores of interns by their agreement about initiation of their internship, the process of their internship, achievement of competency during their internship and methods of the training during their internship were above 4 out of 5 point Liker scale. Conclusion: The logbook-based internship programme in undergraduate medical education of Bangladesh were going very satisfactory. Bangladesh Journal of Medical Education Vol.14(1) January 2023: 35-42
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