نتایج جستجو برای: heavy loads handling
تعداد نتایج: 235341 فیلتر نتایج به سال:
Wool handling is an important rural occupation where workers process 200 or more fleeces daily, separating them into various quality components. Loads and postures they experience carry substantial risk of low back pain (LBP). Although a formal skill training structure exists, interaction with loads and LBP is unknown. We examined whether skill and LBP influenced trunk postures and loads of 60 ...
Incidence rates of lost time back and shoulder injuries in the airline industry are some of the highest in all of private industry. Commonly, risk factors associated with such injuries include overexertion, repetitive lifting, and awkward postures. These factors are found in combination in the airline baggage handler job. Twelve male subjects performed a simulated baggage handling task in a kne...
Introduction: work related musculoskeletal disorders are the most wide spread type of occupational diseases among workers. Awkward body postures during work and manual material handling are among the most important risk factors of musculoskeletal disorders in different jobs. Due to importance of recognizing these factors prevalence and risk factor of work related musculoskeletal disorders, th...
The actual road diesel emissions of heavy-duty vehicle is very high, which has been a concern around the world. In 2018, Chinese government promulgated "China VI" regulations containing real-driving emission test requirements and limits, requiring manufacturers to effectively control meet China VI. This article takes tractor equipped with engine as research object, performs tests after loading ...
Purpose. Development of a mathematical model heavy loaded gear transmission with self-aligning drive gear; evaluation the dynamic load on in alignment process. Methodology. The calculation schematic and equations relative motion are formed using methods rigid body dynamics. Analytical expressions for self-alignment time, collision velocity during factor obtained by integrating an ordinary diffe...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید