sustainable road transportation requires integration with economic, social and environmental aspects of transportation. it depends on term and condition of each society. in the recent decades, transportation is growing fast in iran and isfahan follows this scenario. the aim of this study is to study the traffic, parking road properties of isfahan metropolitan area who are actively implementing ...

the genetics and mechanism of malathion resistance in the adults of an. stephensi (ban-s), was studied. nine successive generations of malathion selection in the adults resulted in an increase in ltso of about 3-fold. the crossing experiments indicated that the resistance is inherited as partially dominant character with no indication of sex linkage. the results of back-crosses suggested that p...

Track Maintenance is crucial for the safe and efficient of railway transportation. After analysis of foreign management techniques for high-speed railway track maintenance, combined with the characteristic of passenger dedicated line in China, this paper has explored new ideas of the information system of passenger dedicated line track maintenance and at the same time researched on the theory a...

The development of transportation infrastructure can ensure the strong recovery and reconstruction function a city, it is an important way to build resilient city. Studying impact level on urban resilience related future Based panel data for China’s three major agglomerations from 2008 2019, this paper uses spatial econometric model explore spillover effect resilience. results show that, due it...

The literature on the New Economic Geography (NEG) suggests that transport cost is a major driving factor for emergence of core–periphery patterns within country. However, very few studies have tested this theoretical explanation in context infrastructure networks developing countries. This paper takes closer look at Nepal and tests four expectations are drawn from NEG, which highlight differen...

models of living in cities needs planning for land use. those who have planned for the cities have studied land use to present a model for the construction of cities. change of land use, is the main concern today. the factors which affect the change in land use can be divided into three main groups: legal factors, economical factors and population. out of these three factors, population has bee...

This paper analyzes the link between rising city crime rates and urban  ight. Each additional reported crime is associated with a roughly one-person decline in city population. Almost all of the crime-related population decline is attributable to increased out-migration rather than a decrease in new arrivals. Households that leave the city because of crime are much more likely to remain within...