نتایج جستجو برای: composed by shkir al
تعداد نتایج: 7253478 فیلتر نتایج به سال:
Background & Objective: Road traffic injuries (RTIs) are the leading cause of burden of disease in Iran. Determination of road safety situation as a complex issue can reduce injury and death rates on roads. This study aimed to determine the effective indicators of road safety and introduce approaches to combine different indicators for implementation index to assess the road safety situation of...
Badi' al-Zaman al-Jazari is a scientist, designer and engineer of Islamic civilization in the sixth century AH who lived in the Diyarbakir (South east of turkey), and has 50 new machines in his book “Al-Jami' bayn al-‘ilm wa 'l-‘amal al-nafi' fi sina'at al-hiyal (A Compendium on the Theory and Useful Practice of the Mechanical Arts)” has described and illustrated. This book, which is a document...
The study area is located in northwest of Birjand, northern part of the Sistan suture zone in eastern Iran. There is well preserved outcrops of an ophiolite mélange in this area. This complex is composed of harzburgite, layered gabbro and spilitic basalt with flysch type rocks. Microprobe analyses of olivine, clinopyroxene, orthopyroxene and spinel in harzburgites show that olivine is forsterit...
Recently, some studies linked the computational power of abstract computing systems based on multiset rewriting to models of Petri nets and the computation power of these nets to their topology. In turn, the computational power of these abstract computing devices can be understood by just looking at their topology, that is, information flow. Here we continue this line of research introducing J ...
The basic building blocks of Design by Contract are Boolean assertions, which are used to express preconditions, postconditions and invariants. For composed commands, i.e. for commands whose effect is realized using other commands, the expressiveness of such contracts appears to be insufficient. In this paper, we propose an extension of the Design by Contract methodology that enables us to expr...
This thesis proposal addresses the challenge of developing self-adaptive systems, when they are built from several adaptive components. The proposed approach to construct such systems is implemented for two case studies: micro protocol stacks and dynamic websites. This work contributions are several techniques that facilitate the design and implementation of such systems.
A failure of the non-structural component can cause significant damages in critical facilities such as nuclear power plants and hospitals. Historically, it was reported that the damage from the leakage of sprinkler systems, resulted in the shutdown of hospitals for several weeks by the 1971 San Fernando and 1994 North Ridge earthquakes. In most cases, water leakages were observed at the cross j...
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
Introduction: Iran's plateau, especially in different regions of Iran, is composed of different climates, while in its southern areas summer temperatures reach 50 degrees above zero, the Caspian Mediterranean region is running wet weather. One of the most important indicators of climate difference is the issue of water. Today, water supply is one of the most important concerns to realize the go...
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