Abstract Background The accelerated development of automated driving technology has raised the expectation that commercially available vehicles will be increasingly become ubiquitous. It been claimed are safer than conventional manual vehicles, leading to fewer accidents. However, people expect not only better but also near-perfect machines. Given accidents involving vehicle do occur and highli...

the goal of the current study is to determine the optimal level of advertising beyond which advertising expenditure will not be justified by revenues. to achieve the goal first different types of media were rated by experts as to the degree of their importance. then data ware collected by interviewing the managers and reviewing different media resources. the collected data were then analyzed us...

Sex differences in navigation have been a topic of investigation for decades and has subjected to various contradictory findings debates. The aim this work was compare the spatial memory men women tested different types tasks, while controlling strategies aging. It is generally thought that outperform higher scores on object location tasks. However, many studies fail control factors may bias on...

land use management policy and method are two important factors in usage of land by human. in this regard, evaluation of environmental capability would serve as a valuable basis for the best use practice of soil and water resources in addition to the reduction in environment consequences of the projects. in the correct study, the environmental capability of birjand plain, located in the south k...

In advance longwall mining, the safety of mine network, production rate, and consequently, economic conditions of a mine are dependent on the stability conditions of gate roadways. The gate roadway stability is a function of two important factors: 1) characteristics of the excavation damaged zone (EDZ) above the gate roadway and 2) loading effect due to the caving zone (CZ) above the longwall w...

background: substance abuse is one of the most complicated social problems. understanding socio-demographic characteristics of those who abuse substances could help deal with this problem more efficiently. the main objective of this study was to determine socio-demographic characteristics associated with alcohol drinking, cigarettes smoking and drug abuse among a sample of male medical universi...

Although traditional access control models and their extensions can be content-aware or dynamically enforced based on predefined rules, they are still less expressive for above active security policies, especially without considering the transaction data and much more attributes with different impact factors. Flexible enforcement: allowing environmental factors to influence how and when securit...