نتایج جستجو برای: machinery maintenance

تعداد نتایج: 176331  

Journal: :ماشین های کشاورزی 0
عباس روحانی حسین غفاری رضا فعله گری خسرو محمدی قرمز گلی حسن مسعودی

farm machinery managers often need to make complex economic decisions on machinery replacement. repair and maintenance costs can have significant impacts on this economic decision. the farm manager must be able to predict farm machinery repair and maintenance costs. this study aimed to identify a regression model that can adequately represent the repair and maintenance costs in terms of machine...

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Journal: :International Journal of Mechanical Engineering 2014

Journal: :Japanese Journal of Farm Work Research 1976

Journal: :Open Journal of Social Sciences 2021

This paper took the MOOC construction of general mechanical equipment maintenance as an example to study its construction. Aspects on course foundation, objectives, knowledge reconstruction, content, implementation effect, existing problems and improvement measures were studied so provide reference for in higher vocational colleges.

Journal: :International Journal of Rotating Machinery 2000

Journal: :Studies in Engineering and Technology 2019

2001

Earnings Median annual earnings, including commission, of home appliance repairers were $28,860 in 2000. The middle 50 percent earned between $21,840 and $38,040 a year. The lowest 10 percent earned less than $17,300, and the highest 10 percent earned more than $45,750 a year. Median annual earnings in the two industries employing the largest numbers of home appliance repairers in 2000 were $27...

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