نتایج جستجو برای: vehicle parts and equipment

تعداد نتایج: 16857540  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...

Journal: : 2022

The deterioration of the plunger working surfaces and sleeve worsens economic environmental performance diesel engine. Therefore, restoring worn pairs with an increase in their wear resistance is economically feasible. problem proposed to be solved by method diffusion metallization obtain hardening coatings based on iron carbides, nitrides borides alloying elements. ( Research purpose) To evalua...

2012
Nicky Guenther Holger Salow

There is no doubt that vehicle operators of heavy equipment have to accomplish difficult tasks. The increase in mine productivity has led to a proportional increase in equipment size. Most vehicles have considerable blind spots, due to scale alone. Combine normal variations in environmental conditions, in-vehicle management systems, navigation systems and radio communications; the most experien...

Journal: :Journal of safety research 2003
Todd M Ruff Thomas P Holden

PROBLEM An average of three workers a year are killed in surface mining operations when a piece of haulage equipment collides with another smaller vehicle or a worker on foot. Another three workers are killed each year when haulage equipment backs over the edge of a dump point or stockpile. Devices to monitor the blind areas of mining equipment are needed to provide a warning to operators when ...

2009
Michael Maile Luca Delgrossi

Intersection crashes account for 1.72 million crashes per year in the United States. In 2004 stop-sign and traffic signal violations accounted for approximately 302,000 crashes resulting in 163,000 functional lifeyears lost and $7.9 billion of economic loss [1]. The objective of the Cooperative Intersection Collision Avoidance System for Violations (CICAS-V) project was to design, develop, and ...

Journal: :international journal of automotive engineering 0
kazemi jooshani

the suspension system of a vehicle is one of the most important parts which is involved in the process of vehicle designing. when a vehicle suspension system is designed, the evaluation of its performance against the road disturbances such as shocks and bumps are very important. the most commonly used systems consist of four hydraulic jacks with mobility in vertical line with low speed and low ...

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