1089 documents found, page 1 of 109

Perceived organizational exploitation and employee health: An examination of pr...

Recent research has argued that exploitative working relationships can be present in any context and experienced by any employee, and their forms can range from extreme to subtle. Drawing on the Conservation of Resources theory, we argue that, through the depletion of resources, employees' perceived organizational exploitation is likely to affect their emotions, cognition and motivation, with subsequent effects...

Effect of coolant flow rate and depth of cut on grinding temperature using stru...

Effective control of heat and debris removal during grinding operations are crucial for process optimization. Various approaches are being studied to distribute adequately and efficiently the grinding fluid in the contact zone. This study evaluates an innovative methodology using grinding wheels with an internal network of “cooling channels” designed to deliver the grinding fluid directly from the wheel's core ...

Experimental and CFD simulation analysis of 3D cooling channels to improve the ...

Efficient heat and debris removal is essential to optimize the grinding process. A promising approach is the incorporation of three-dimensional channels in the grinding wheel to improve cutting fluid distribution. This study evaluates two types of grooved abrasive discs with spiral and hexagonal geometries, comparing them to a non-structured disc. In addition to experimental tests, Computational Fluid Dynamics ...

Perceived internal corporate social responsibility and employees' proactive beh...

This study deepens our understanding of the micro-level processes underlying the relationship between employees' internal corporate social responsibility (CSR) perceptions (perceived internal CSR) and their proactive behavior. Drawing on the self-regulation and social information processing perspectives, we propose that perceived internal CSR enacts employees' intentions to start personal projects within the or...

Biomonitoring of wildfire emissions exposure among firefighters during active f...

The aim of this study was to conduct a multidisciplinary biomonitoring assessment of the exposure and health impacts of wildfire emissions on firefighters from the Northern Portugal, one of the regions most affected by wildfires. Firefighters from fourteen fire stations participated in pre- and post-exposure sampling campaigns during two consecutive years. Self-reporting biometric characteristics, lifestyle, cl...

Enhancing lubrication efficiency in grinding wheels through internal channels s...

Effective control of heat and debris removal during grinding operations is critical for process optimization. The distribution of grinding fluids in the contact zone is being studied using different approaches (structured surfaces…). This study proposes an innovative methodology employing grinding wheels with an internal network of cooling channels designed to deliver grinding fluid directly from the wheel's ce...

Design of an experimental grinding machine for testing abrasive wheels with a 3...

Precision manufacturing often utilizes grinding as a method to fabricate components with accuracy, enhanced surface quality, and desirable forming tolerances. The working conditions of a grinding machine and the attributes of the abrasive wheel play a crucial role in influencing the grinding process. Main challenges in grinding are related to heat dissipation, resulting in issues such as tool wear, increased fo...

International Symposium on Occupational Safety and Hygiene: Proceedings Book of...

International symposium on occupational safety and hygiene: Abstracts book of t...

External return-to-work programs impact on women relauching their careers

Women have higher drop-out rates during their professional careers, mainly due to family, child, or elderly care; furthermore, they have more difficulty returning to the workforce even if they are highly qualified, making the future of gender equality in the workplace a continuing challenge. Thus, encouraging women to re-enter the workforce after a career break makes sense from a gender perspective and, at the ...