نتایج جستجو برای: threshing efficiency

تعداد نتایج: 388213  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1392

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

Journal: :British journal of anaesthesia 1983
H H Dash G R Gode

A case of closed injury to the cervical portion of the trachea, caused by a wheat-threshing machine, is reported. The patient presented with extensive subcutaneous emphysema, but without any respiratory distress. The unique problem faced during the management of an anterolateral tear of the trachea is highlighted.

Journal: :مهندسی بیوسیستم ایران 0
محسن خدابخشی پور کارشناسی ارشد، دانشگاه رامین اهواز محمدرضا علیزاده کارشناس ارشد، دانشگاه رامین اهواز محمدصادق بلوکی عضو هیات علمی موسسه تحقیقات برنج کشور علی قاسمی کارشناسی ارشد، دانشگاه تهران

since threshing is one of the most sensitive rice post-harvest processing operations, this study was conducted to evaluate the threshing performance in axial - flow paddy thresher. independent variables consisted of: drum speed at five levels (550, 650, 750 and 850 rpm), equivalent to peripheral velocities of: 14.67, 17.35, 20.01 and 22.37 m/s, respectively, paddy moisture content at two levels...

Journal: :Agriculture 2023

Corn is a crucial crop and has vital application value in many aspects of our lives. Mechanical grain harvesting the developing direction corn technology, with threshing as its most imperative procedure. The quality device harvester major influence on damage rate, loss other parameters. Therefore, it great significance to effectively lower rate process threshing. This review presents research p...

Journal: :Jurnal Teknik Pertanian 2021

Mini combine harvester is a modern machine used for cutting rice, threshing and cleaning grain while walking in the field. This helps farmers where, time energy to harvest more efficiently does not require large amount of labor like traditional (manual) harvesting. study aimed calculate determine working capacity mini calculated work efficiency machine. The method this research was experimental...

Journal: :Journal of Poverty, Investment and Development 2022

With the aim of circumventing challenges faced farmers in soya bean threshing operation a demonstration new thresher was conducted Guto Gida and Ayana woredas total four kebeles. The demonstrated at farmer training center as well on farmers’ field evaluated for its performance against existing practices by sixty participating both sexes who were members farmer’s research groups. All valuable da...

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