نتایج جستجو برای: production systems

تعداد نتایج: 1730522  

Majid Rostami, Zahra Movahedi

Aeroponic culture is an alternative method for optimizing growth of different plants in controlled conditions. Aeroponic systems are an efficient tool for the root studies and improving medicinal root production. In order to study the feasibility of valerian (Valeriana officinalis L.) production in aeroponic systems and assessing the effects of different NAA concentrations (0, 0.1, 0.3, and 0.5...

Companies and firms, nowadays, due to mounting competition and product diversity, seek to apply virtual cellular manufacturing systems to reduce production costs and improve quality of the products. In addition, as a result of rapid advancement of technology and the reduction of product life cycle, production systems have turned towards dynamic production environments. Dynamic cellular manufact...

Distribution of distributed generation resources in distribution systems has several advantages, including reducing losses, improving voltage profiles, reducing pollution, and increasing system reliability. However, one of the most important points regarding the placement of these resources in distribution networks is economic issues and the return on investment and the increase in profits from...

Journal: :علوم گیاهان زراعی ایران 0
بابک درویشی دانشجوی دکترا پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج کاظم پوستینی استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج علی احمدی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج رضا توکل افشاری دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج جواد شاطریان استادیار، مؤسسۀ پژوهشی تحقیقات ثبت و گواهی بذر و نهال، کرج، ایران.

controlled environment may be adopted for a rapid multiplication of a large number of potato seed tubers. the controlled environment prevents seed tuber degeneration which may occur under field conditions. the objective of this study was to introduce new mini-tuber production system with high multiplication rate and low production cost. to evaluate the performance of culture systems in terms of...

ژورنال: گلجام 2009
رفیعی دارانی, هادی, شاهنوشی, ناصر, مظهری, محمد,

The main objective of this study is evaluation of the production systems in hand-weaving household. Therefore, we use multiple criteria decision making (Taxonomy, Delphi) whit respect to economic criteria, social criteria, management criteria and qualitative criteria. The results indicate that, based on the performance of production system, employer system in large scale firms was found to be t...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید