نتایج جستجو برای: in recent decades
تعداد نتایج: 17012080 فیلتر نتایج به سال:
Contemporary global economy is known as modern economy, digital economy or knowledge-based economy. Extraordinary promotion of the knowledge role in recent decades as the main factor of production (particularly regarding modern and knowledge-based industries) and also effective factor in improvement of total productivity of production factors, have been important in theorizing knowledge-based...
Climate change and human activities significantly affected environmental changes in drylands. However, the relative roles remain unclear regarding these factors’ effects on environment Herein, we analyzed vegetation trends using remote-sensing datasets to determine interactions of vegetation, climate, anthropogenic an arid region China, Kubuqi Desert. Our study showed that 67.64% pixels fractio...
In recent decades, urban planning has tended to humanist urbanism. In this regard foot travels and bicycle use are the two strategies that urban planners and transportation engineers are using them as adequate alternatives for making cities more people friendly. Using bicycle is known as a strategy that has a great role in decreasing traffic among developing countries in recent decades. These c...
The use of polymer in hot mix asphalt production has remarkably in recent decades. Destruction due to moisture in hot mix asphalt is of basic matters about flexible pavement durability. In recent decades different ways have been used to evaluate moisture Sensitivity of HMA which some of them are simple with low cost and some are complicated with more reliable results. In this research the effec...
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