نتایج جستجو برای: access roads
تعداد نتایج: 340368 فیلتر نتایج به سال:
In order to satisfy the rising energy demands of global consumption, a new cleaner and renewable power source needs to be explored, conceptualized and developed. This paper intends to introduce an alternative source of energy by using piezoelectric material -a class of smart material. A piezoelectric road that will produce electricity from the stress experienced by the roads due to the movement...
Iran’s security is affected by a broad region that includes the Caspian Basin, Central Asia, Afghanistan, the Persian Gulf states, Pakistan, Turkey, and the Middle East. However, an increased focus on the countries of the Economic Cooperation Organization (ECO), as well as Iraq, on the one hand, and with members of the Gulf Cooperation Council (GCC) (including Yemen) on the other, provides a na...
introduction: hospital portals, as the first virtual entry, play an important role in connecting people with hospital and also presenting hospital virtual services. the main purpose of this article was to suggest a conceptual model to improve tehran private hospital portals. the suggested model can be used by all the health portals that are in the same circumstances and all the health portals w...
The ground conditions of Nepal, road transport is not possible in all places. Without roads, development cannot accelerate and economic social changes occur. Construction bridges to connect roads has become a very important issue. After the bridge built on road, access settlements those remote places becomes easier. It plays role making daily life people living that place easier as well includi...
Development of roads can have deleterious effects on natural habitats containing species of conservation concern. Fragmentation of habitat into small, non-contiguous patches may result in dramatic population declines. Thus appropriate studies quantifying ecological impacts of roads at landscape scale are essential. In this study, the Spatial Road Disturbance Index (SPROADI) was applied for the ...
Here we propose design of ‘Pothole detection System’ which assists the driver in avoiding pot-holes on the roads, by giving him prior warnings. Warnings can be like buzzer if the driver is approaching a pothole, or driver may be warned in advanced regarding what road has how many potholes. This system is divided into three subsystems. First is sensing subsystem which senses the potholes encount...
We present a one dimensional model for the development of cor-rugations in roads subjected to compressive forces from a flux of cars. The cars are modeled as damped harmonic oscillators translating with constant horizontal velocity across the surface, and the road surface is subject to diffusive relaxation. We derive dimensionless coupled equations of motion for the positions of the cars and th...
In this paper, we propose an automatic method for generating roads based on a weighted anisotropic shortest path algorithm. Given an input scene, we automatically create a path connecting an initial and a final point. The trajectory of the road minimizes a cost function that takes into account the different parameters of the scene including the slope of the terrain, natural obstacles such as ri...
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