نتایج جستجو برای: variable structure

تعداد نتایج: 1788911  

Journal: :زمین شناسی اقتصادی 0
مصطفی دهقانی احمدآباد سید حسین مجتهدزاده علیرضا یاراحمدی بافقی

determining the promising area for ore deposits is one of the most important steps of prospecting in regional scales. there are many different methods for identifying these areas including geochemical and geophysical methods, remote sensing and sophisticated statistical methods. based on the theory of spatial relations between the dispersion pattern of ore deposits and metallogenic provinces, m...

ژورنال: مهندسی دریا 2011
شفیعی فر, مهدی, هادیان, سید مجتبی,

Simultaneous effects of mooring characteristics and waves heading on mooring forces of a multi-rows floating pier which is composed of pontoons have been investigated in this paper. The investigated variable parameters include the moorings array, number of mooring lines and their pretensions. A floating structure consisting of 12 pontoons connected together with rigid connectors and is located ...

Journal: :international journal of advanced design and manufacturing technology 0
mohammadreza derakhshesh hossein sina hamid nazemi

aluminum base composite materials with variable properties which have been strengthened by alb 2 particles have been widely used. in this study, composites with variable properties of al-5%b and al-2%mg-2%b which are produced through centrifugal casting are investigated as far as their microstructure and hardness are concerned. the microstructure of these composite were studied by using metallo...

Journal: :Proceedings of the Karelian Research Centre of the Russian Academy of Sciences 2019

Journal: :Transactions of the Society of Instrument and Control Engineers 1989

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