directional felling of trees plays a key role in reducing of damages to forest residual trees and can also facilitate skidding. the aim of this study was presents a practical linear model for estimation of tree falling direction error in an uneven-aged mixed stand in northern forests of iran. to conduct the study a number of 95 trees of four species fagus orientalis lipsky, carpinus betulus l.,...

this paper develops a model for distribution network expansion planning (dnep) considering reliability issues. with simultaneous switch placement and dnep, the proposed model tries to adequately consider the reliability issues in the planning stage in a way that the designed network has suitable performance from the reliability viewpoint. the reinforcement or installation of mv feeders and hv/m...

introduction and aims: occupational burnout is a syndrome including emotional exhaustion, depersonalization, self-efficacy and involvement. medical staff are susceptible to occupational burnout due to physical, mental and emotional stress. the present research aims to investigate the operation room staff’s burnout in shahid mohammadi hospital of bandar abbas. methods: in this descriptive/analyt...

the human facial recognition is the base for all facial processing systems. in this work a basicmethod is presented for the reduction of detection time in fixed image with different color levels.the proposed method is the simplest approach in face spatial localization, since it doesn’trequire the dynamics of images and information of the color of skin in image background. inaddition, to do face...

operation karbala-5 is one the important and valuable experiences of irgc during the eight-year holy defense. studying and assessing this important and extensive operation from the various strategic, com manding, tactical, and combat angles is very important and valuable as well. in the new copy of negin magazine no. 45, this article (distracted from an archived tape numbered 2666 in the center...

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The aim of this paper is to define the productoperation on a family of interval valued events and the notion ofjoint interval valued observable. We show the connection betweenproduct operations for interval valued events and intuitionisticfuzzy events, too. We display the relation between joint intervalvalued observable and joint intuitionistic fuzzy observable. We...