نتایج جستجو برای: safety assessment

تعداد نتایج: 800644  

Journal: :Natural and Engineering Sciences 2018

Journal: : 2021

The article is the second in a series of articles, united by single theme improving organization country’s security management system. completely based on previous “Formalization safety assessment and management” continuation it. Accordingly, uses unified approach to system, same terminology notation. It has been determined that significantly depends operating conditions control object. formati...

Journal: :PhotonicsViews 2023

Vertical-cavity surface-emitting lasers (VCSELs) are perfectly suited to fulfill the requirements of present and future 3D-sensing applications. However, prior operating VCSEL-based devices in public, manufacturers must ensure safe operation compliant with IEC 60825-1 standard or corresponding national equivalents.

2008
Stephen O. Clark Steven T. Shorrock Nic Turley

The significant contribution of human error to overall system risk for air traffic management systems has been recognised for some time. It therefore follows that when changes are being made to an ATM system, an important part of the safety assurance for that system is the risk assessment and mitigation for the human element. NATS are in the process of making a number of significant changes to ...

2018
Qingwei Xu Kaili Xu

Mine safety assessment is a precondition for ensuring orderly and safety in production. The main purpose of this study was to prevent mine accidents more effectively by proposing a composite risk analysis model. First, the weights of the assessment indicators were determined by the revised integrated weight method, in which the objective weights were determined by a variation coefficient method...

Journal: Journal of Herbal Drugs 2010
Maedeh Moheb Nasab Majid Avijgan,

In countries having traditional medicine (TM), one of the main challenges for any researcher is research methodology. Current methodologies are different with what was in past. The main purpose of this article is to present the steps (herbs, claims and methodology) of research in TM fields. 1. Assessment of herbs History, method of study, quality assessment, efficacy, safety, toxicity and the...

Journal: :journal of solid mechanics 0
p zamani department of mechanical engineering, ferdowsi university of mashhad, mashhad, iran a jaamialahmadi department of mechanical engineering, ferdowsi university of mashhad, mashhad, iran m shariati department of mechanical engineering, ferdowsi university of mashhad, mashhad, iran

safety and failure in gas pipelines are very important in gas and petroleum industry. for this reason, it is important to study the effect of different parameters in order to reach the maximum safety in design and application. in this paper, a three dimensional finite element analysis is carried out to study the effect of crack length, crack depth, crack position, internal pressure and pipe thi...

2014
Vyacheslav Kharchenko Oleg Illiashenko Eugene Brezhnev Artem Boyarchuk Vladimir Golovanevskiy

The strong interconnection and interrelation of safety and security properties of industrial system which are based on programmable logic (field programmable gate arrays, FPGA) is reviewed. Information security, i.e. system's ability to protect the information and data from unauthorized access and modification, is a subordinate property with respect to safety of many instrumentation and control...

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