نتایج جستجو برای: highways and railways
تعداد نتایج: 16828260 فیلتر نتایج به سال:
For the Round Table participants, the idea implicit in the separation between infrastructure manager and providers of transport services in the rail sector is actually to end another form of separation, namely that between the railways and the transport market. Many experts think that a single national railway undertaking is far too rigid to be able to develop a full range of products capable o...
The occurrence of transgenic herbicide-resistant oilseed rape (Brassica napus) in ruderal (non-crop disturbed) areas has not been investigated previously in Canada. The primary objective of this study was to document their occurrence in two main ruderal areas (along railways and roads) in the province of Saskatchewan, where half of all oilseed rape is grown, and at the port of Vancouver, Britis...
The China-Pakistan Economic Corridor (CPEC) is a massive in-progress construction project in Pakistan that connects more than 70 countries via multiple trade channels such as highways, railways, roads, and fiber optics. This also involves the development of local infrastructure industrial zones Pakistan, which demands discovery new resources aggregate to facilitate construction. Therefore, phys...
This paper reports some results of a long-term work in application of AI techniques whose ultimate goal is the development of tools for resource scheduling. Most of the efforts so far have been devoted to crew scheduling in railways and the resulting tool is called CREWS. CREWS contains the basic knowledge for crew scheduling, remains constant across companies, and only needs to be extended wit...
Sustainable development is a scientific requirement for economic, social, and ecological particularly important less developed areas to achieve high quality development. Among them, the traffic flow network key contributor economic activity an inclusive society, as well influencing regional ecology, way reflect connection structure of cities towns. Based on literature related sustainable develo...
Abstract Intangible cultural heritage of music (ICHM) is an important part intangible (ICH), and research on ICHM has extremely theoretical value practical significance. In this study, we aimed to analyze the spatial distribution characteristics ICHMs explore main factors affecting their in Xiangxi, Central China. Methods such as nearest neighbor index, kernel density estimation, buffer analysi...
The article examines the role and influence of Russian Federation in integration processes Central Asian region between five countries: Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan Uzbekistan. It is worth emphasizing that state all its hypostases (the Empire USSR) from first days conquest territories Asia was guided by a strategy aimed at uniting entire into single political administrative ...
In India, 486,476 crashes are reported and 137,572 fatalities during 2013. Major share of crashes (28.8% of total crashes) are on National Highways. Considering high importance of NHs in overall road network with respect to its connectivity to state capitals and business centres, and cater to high share of traffic (40%), there is an urgent need to investigate factors contributing to crashes on ...
We exploit historical data on planned highways, railroads, and exploration routes as sources of exogenous variation in order to estimate the effect of interstate highways on regional innovation: a 10% increase in a region’s stock of highways causes a 1.7% increase in regional patenting over a five-year period. In terms of the mechanism, we report evidence that roads facilitate local knowledge f...
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