نتایج جستجو برای: high safety
تعداد نتایج: 2278563 فیلتر نتایج به سال:
In this study, dynamic behavior of safety mechanism of a mechanical controller is investigated using 3D-FE simulation. This paper is concentrated on controller of a high acceleration projectile. The controller is located in the top of the projectile. Safety mechanism is divided to deformable and rigid parts. Deformable and rigid parts are simulated in Abaqus and Adams commercial soft wares; res...
Safety case development is not a post-development activity, rather it should occur throughout the system development lifecycle. The key components in a safety case are safety arguments. Too often, safety arguments are constructed without proper reasoning. Inappropriate reasoning in safety arguments could undermine a system’s safety claims, which in turn contributes to safety-related failures of...
High Energy Density Materials (HEDMs) are a new generation of high-energetic materials with high-performance and safety and consist of several different types with different properties. One category of this kind of HEDMs explosives are high energy metal organic frameworks (HE-MOFs) that have more appropriate performance and safety compared to conventional explosives (HEMs) and even other HEDMs....
Background: The safety of rehabilitation centers is of great importance to ensure the well-being of patients. The present study aimed to determine non-structural and functional vulnerability of state rehabilitation centers of Tehran City welfare organization in disasters using national standard instruments in 2014. Materials and Methods: This study has a descriptive and cross-se...
For any software system upon which lives depend, the most important question one can ask about it is, ‘How do we know the system is safe?’ Despite the critical importance of this question, no widely accepted, generally applicable answer exists. Instead, debate continues to rage over the question, with theorists and practitioners quarrelling with each other and amongst themselves. This paper sug...
Introduction: previous studies have shown approximately 90% of accidents in the workplace are due to unsafe behavior and human errors. Identifying predictors of unsafe behaviors would be unsafe in accidents prevention. The purpose of this study was to investigate personality characteristics, cognitive and organizational variables of line workers in an industrial company in bojnurd. .Material ...
Introduction: Despite the advances in occupational safety, many accidents occur in the workplace. The most of these accidents caused by poor workers safety performance. Knowing the factors that affect safety performance is a suitable guide to planning for occupational accident prevention. This study was conducted to assess workers safety performance and determine its associated demographic fact...
background: blood transfusion plays a great role in public health and the blood safety still has remained a main concern. hbv has been considered as one of the most prevalent blood borne infections. it is estimated that chronic hbv affects 350-400 million people worldwide. comprehensive knowledge about hbv has high importance in iran due to high number of blood dependent patients. material and ...
a pedestrian is every person who is walking, especially along or the width of a street or other place used by cars. growth, development and industrialization of societies, threatens the safety of pedestrians. increase and acceleration of vehicles and traffic, lack of road and street standards, weakness of laws or inappropriate executive guarantees, causing to insecurity and incidence of physica...
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