نتایج جستجو برای: damaged area

تعداد نتایج: 611727  

Asadollah Shahbahrami Hamid Hassanpour Hamidreza Gorgani Firouzjaee,

At present, there is no conventional scientific method to evaluate the area of the burnt regions of forests and in this field, the related organizations use different methods and variables. Also, the speed in performing the processes of area computing and damage evaluation, especially in the extensive damaged forest regions is very slow; consequently, the expression of results takes more ti...

Journal: :Journal of biomechanics 2007
Xiang Wang Daniel B Masse Huijie Leng Kevin P Hess Ryan D Ross Ryan K Roeder Glen L Niebur

Microdamage is an important component of bone quality and affects bone remodeling. Improved techniques to assess microdamage without the need for histological sectioning would provide insight into the role of microdamage in trabecular bone strength by allowing the spatial distribution of damage within the trabecular microstructure to be measured. Nineteen cylindrical trabecular bone specimens w...

ژورنال: مواد پرانرژی 2017

Analysis of penetration in pre-drilled and damaged concrete targets is the main part of anti-structure tandem warhead researches. In this paper the penetration process of the KE projectiles is investigated in pre-drilled and damaged concrete targets by analytical and numerical method. In this research, it has been tried to modify the teland model for achieving an accurate and efficient analytic...

Journal: :محیط شناسی 0
فرزام توانکار دانشگاه آزاد اسلامی، واحد خلخال، استادیار علوم جنگل امیر اسلام بنیاد دانشکدة منابع طبیعی دانشگاه گیلان، صومعه سرا ، دانشیار علوم جنگل باریس مجنونیان دانشکدة منابع طبیعی دانشگاه تهران، استاد مهندسی جنگل

selection cutting using skidding system often causes physical damage to residual stand through felling and skidding resulting decline of bole quality and tree value. this research evaluated logging damage using skidding system on residual trees and stand regeneration in uneven aged hardwood forest of asalem, were selection cutting was practiced. in this regard, systematic sampling method was us...

Journal: :Journal of the Korea Society of Environmental Restoration Technology 2014

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