نتایج جستجو برای: roll forming

تعداد نتایج: 127679  

Journal: :The Journal of general virology 1970
D G Walkey M J Webb

Tubular inclusion bodies containing single rows of virus particles were observed by electron microscopy in hosts infected with three NEPO viruses. When Nicotiana rustica L. plants were inoculated with cherry leaf roll virus tubules were found in axillary buds 4 days later and reached a maximum concentration after 2 to 3 weeks. Tubules were also found in root tips, pollen, ovules and mature seed...

Journal: :journal of applied and computational mechanics 2014
javad meshkatifar mohsen esfahanian

in this paper, the effects of roll center height of mcpherson suspension mechanism on dynamic behaviour of a vehicle is studied first and then the optimum location of roll center of this suspension system is determined for a conceptual class a vehicle. adams/car software was used for analysis of vehicle dynamic behaviour in different positions of suspension roll center, then optimization proces...

Journal: :The International Journal of Advanced Manufacturing Technology 2021

Abstract Roll forming is a continuous process in which moving metal sheet passes through numerous pairs of opposing rolls. The shafts the roll mill are equipped with these rolls and must be set up aligned to achieve required final profile sheet. practically relevant task predicting geometry this incremental rolling varying characteristics entering requires an accurate description stiffness beha...

Journal: :IOP Conference Series: Materials Science and Engineering 2019

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