نتایج جستجو برای: amount of traffic
تعداد نتایج: 21174932 فیلتر نتایج به سال:
today, the number of drivers and traffic users is increasing. so, it is necessary to know that the human factor has the most important factor in the traffic. thus, any behavior change or fault that arises from human factor (for example drivers) can have inappropriate impacts on the traffic. so, it is important that traffic users be trained about the effectiveness and attention to the traffic si...
Some spans b are always very critical in any network. These spans may be; i) Most heavily loaded spans in the network, ii) Spans with small MTTF (mean time to failure), iii) Spans with high MTTR (mean time to repair), iv) Spans having large amount of premium traffic etc. In this paper a new scheme is proposed to provide protection to these critical spans using p-cycles. Fully distributed method...
An accurate estimation of network performance is critical for the success of optical networks design. Traffic modeling and availability modeling for optical network are at heart of optical network design. Traffic models and availability models need to be accurate and able to capture the statistical characteristics of the actual traffic and the ability of a network to sustain failures. However, ...
Background and aims: More than 40 percent of deaths of pedestrians in traffic accidents happen in Tehran. The aim of this study was to determine the impact of human factors was associated with an increased intensity of pedestrian traffic. Methods: In this cross-sectional study, 6323 traffic injuries and 99 traffic deaths resulted from traffic accidents in pedestrian during 2013 in Tehr...
With the expansion of the Internet and the Web, communication and information gathering between individual has distracted from its traditional form and into web sites. The World Wide Web also offers a great opportunity for businesses to improve their relationship with the client and expand their marketplace in online world. Businesses use a criterion called traffic ranking to determine their si...
objectives this study aimed to measure road traffic fatality rates and years of lost life, and also to depict a view of trends in road traffic deaths from 2004 to 2010 in yazd city, a province in central iran. materials and methods this retrospective case study analyzed road traffic deaths that were classified under the v01 - v99 codes of the icd-10 in yazd province from march 2004 to march 201...
Background and aims: This study aimed to evaluate the effect of enforcement of new traffic laws on the fatal and non- fatal injury rates in Iran. Methods: In a longitudinal, interventional controlled trial study, all subjects with history of fatal and non-fatal injuries were studied. Their injuries were caused by six risky violations (unauthorized speed, illegal overtaking, red traffic light c...
Iran has had incremental incidence of traffic accident mortality since introduction of mechanization about a century ago. But the newest data from Iran show decrease in the absolute number of deaths, death per 10,000 vehicles and death per 100, 000 populations. Despite its huge impact on health and economy, research in the field of traffic crashes is still scant and there are still deficienci...
Introduction: One of the main causes of urban noise pollution is traffic noise, which causes a variety of physical and mental effects, sleep disorders, hearing loss, and quality of life. The purpose of this study was to assess the noise pollution caused by traffic and its effects on sleep disorders and the people’s quality of life in Shiraz city. Methods: This descriptive and analytic ...
introduction: health care providers and health policy managers need updated and valid information regarding causes of death (cod) for development the health care facilities, directing primary prevention, assigning funds, and promoting public health. the major causes of death and its burden have not been yet appropriately identified in iran. although several studies had been carried out in this ...
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