نتایج جستجو برای: due to old machinery

تعداد نتایج: 10692856  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1389

one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...

Journal: :Jiban Kogaku Janaru (Japanese Geotechnical Journal) 2010

مرتضی الماسی, , نعیم لویمی, ,

This study aims to evaluate mechanization quality and quantity for improvement purposes. Northern Ahwaz including five districts with a total area of 286,800 hectares was selected for evaluation. The current potentials for scientific mechanization and suitable production methods in the study area were identified within the framework of a field study. In addition to a holistic study of the area ...

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: :International Journal of Pediatric Endocrinology 2009

Journal: :Revista Española de Enfermedades Digestivas 2018

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