نتایج جستجو برای: pests and diseases problems

تعداد نتایج: 16930741  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

این پایان نامه مشتمل بر سه فصل است که در فصل اول به معرفی مفاهیم مورد نیاز از جمله نگاشت های kkm (kenastere-kuratowski-mazurkiewicz) و نگاشت های kkm تعمیم یافته که ابزاری برای حل مسائل تعادل هستند پرداخته ایم . در فصل دوم قضایای نقطه ثابت را برای توابع مجموعه مقدار در فضاهای فاقد ساختار جبری ( g-convex ) با استفاده از قضایای فصل اول مورد مطالعه قرار داده ایم . و بالاخره در فصل سوم مسئله تعادل ب...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده فنی و مهندسی 1387

abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...

2004
Preetha Rajan

Pest detection and identification of diseases in agricultural crops is essential to ensure good productivity. The productivity of plants will reduce due to diseases and presence of pests. Image processing can be used to identify the pests and thereby can reduce the use of pesticides. Image processing involves capturing the image and applying various preprocessing techniques and detect the pest ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی و اجتماعی 1388

the present study set out (a) to examine the categories of pedagogical knowledge related to the act of teaching of novice and experienced teachers as gleaned from their verbal report of what they were thinking about while teaching and (b) to compare the categories of pedagogical knowledge of novice and experienced teachers. the aim of comparing these two groups of teachers was to see whether di...

Journal: :Sustainability 2022

Country bean (Lablab purpureus L.), a popular vegetable in Bangladesh, is severely affected by insect pests and diseases. Farmers’ perceptions of pests, diseases, their management are critical constraints to the establishment an effective sustainable pest approach for this crop. A comprehensive survey was conducted with 300 country farmers from six districts Bangladesh assess farmers’ knowledge...

Journal: :Journal of Agriculture and Environment 2015

2010
Wei Zhang Junfeng Zhang Feng Yu Jichun Zhao Ru-peng Luan

Experts diagnose plant diseases and insect pests via long-distance video is a new and effective way for prevention and cure. Jabber based on XMPP. So there are good communication, standardization and expansibility in Jabber. This thesis gave a method which was long-distance video diagnosis based on Jabber. First, VFW was used to capture video of diseases and insect pests. Second, H.264 compress...

Journal: :Emerging Infectious Diseases 2008

Journal: :Sustainability in Food and Agriculture 2020

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