نتایج جستجو برای: zone safety factor
تعداد نتایج: 1195561 فیلتر نتایج به سال:
Lack of detailed and accurate safety records on incidents in Australian work zones prevents a thorough understanding of the relevant risks and hazards. Consequently it is difficult to select appropriate treatments for improving the safety of roadworkers and motorists alike. This paper outlines development of a conceptual framework for making informed decisions about safety treatments by 1) iden...
The ever-expanding power system is developed into an interconnected pattern of grids. Zone partitioning essential technique for the operation and management such system. Owing to transmission capacity limitation, congestion may occur with a regional influence on If considered when decomposed several regions, consumption structure can be optimized planning more reasonable. At same time, resource...
Background and Aims Falling from height is considered one of the most important risks in construction sites and many workers through non-compliance with safety tips lose their lives. This study was conducted in order to survey the relationship between safety climate factors and behavior of workers working in potentially dangerous situations in height among construction workers . Methods For...
سازند کژدمی (اواخر آپتین پیشین – آلبین میانی) یکی از سازند های شیلی مارنی است، که در زون ساختاری زاگرس در جنوب و جنوب غرب ایران قرار گرفته و این سازند بواسطه پتانسیل سنگ منشا بودن مخازن نفت وگاز سازند آسماری در اکثر میادین نفتی، یکی از مهم ترین سازند های زاگرس است. به منظور مطالعات زیست چینه ای و تعیین سن دقیق سازند کژدمی بر اساس فرامینیفرهای پلانکتونیک و تطابق بایوزون های شناسایی شده با بایوزو...
This study aims to validate, using finite element analysis (FEA), the design concept by comparing the fatigue behavior of hip implant stems coated with composite (carbon/PEEK) and polymeric (PEEK) coating materials corresponding to different human activities: standing up, normal walking and climbing stairs under dynamic loadings to find out which of all these models have a better performance in...
Background: Factor VII concentrates are used in patients with congenital or acquired factor VII deficiency or treatment of hemophilia patients with inhibitors. In this research, immunoaffinity chromatography was used to purify factor VII from prothrombin complex (Prothrombin-Proconvertin-Stuart Factor-Antihemophilic Factor B or PPSB) which contains coagulation factors II, VII, IX and X. The a...
failure of the quay walls due to earthquakes results in severe economic loss. because of hazards threatening such inexpensive nodes of national and international transportation networks, seismic design of quay walls is still an evolving topic in marine structural engineering. this study investigates the sensitivity of the gravity-type quay wall stability respect to uncertain soil and seismic pr...
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