نتایج جستجو برای: pollutions
تعداد نتایج: 778 فیلتر نتایج به سال:
In few years autonomous vehicles will be nothing special in many countries. These vehicles will noticeably change the worldwide transport market. One of the noteworthy changes will be the leaving behind of rail systems, because of a number of essential rationales. The most significant rationales are: (a) Autonomous vehicles are much safer than trains and the chances for a car accident will be v...
Analysis of U.S. Custom Service records for 2001-2003 indicates that nearly 1.7 billion pounds of pesticide products were exported from U.S. ports, a rate >32 tons/hour. Exports included >27 million pounds of pesticides whose use is forbidden in the United States. WHO Class 1a and 1b pesticides were exported at an average rate of >16 tons/day. Pesticide exports included >500,000 pounds of known...
The application of agro-industrial waste in Aluminum Metal Matrix Composites has been getting more attention as they can reinforce particles in metal matrix which enhance the strength properties of the composites. In addition, by applying these agroindustrial wastes in useful way not only save the manufacturing cost of products but also reduce the pollutions on environment. This paper represent...
A dependency of the world on electrical energy has been increasing according to development of industry. To meet increasing power demand, existing generators have been expanded or new generators have been installed continually. But currently, the social acceptance for installing a new plant is difficult due to electromagnetic effects on human body, environmental pollutions, and so on. Therefore...
Noise pollution is one of the four major pollutions in the world. In order to implement adequate strategies for noise control, assessment of traffic-generated noise is essential in city planning and management. The aim of this study was to determine whether space syntax could improve the predictive power of noise simulation. This paper reports a record linkage study which combined a documentary...
Heavy metal pollutions of soil is one of the serious problems in the mining tailing areas, therefore, it is significant to estimate heavy metal of soil in the mining tailing areas. This research take Jinduicheng Mo mining tailings, Huaxian, Shaanxi Province as the study area. A total number of 288 soil samples collected at the mining tailing areas. And the heavy metal concentrations of Pb in so...
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