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As the rapid development of Electric Vehicles (EV), battery aging phenomenon becomes an emerging and challenging question to EV communities. However, battery degradation in real-life EV use has been discussed little. In this paper, by analyzing a large scale electric taxi GPS and deal data, we make the first attempt to investigate this problem. A case in Shenzhen is analyzed in this paper, where BYD...
As the rapid development of Electric Vehicles (EV), how to strategically deploy charging stations becomes an emerging and challenging question to EV communities. However, the cease operation of charging stations and the consequent impacts have been discussed little. In this paper, by analyzing a large scale electric taxi GPS data, we make the first attempt to investigate this problem. A case in Shenzhen...
In this paper, we investigated the copper futures in SHFE of multiple time scales. Using Multifractal Detrended Fluctuation Analysis (MF-DFA) and Multifractal Spectrum, we found that multifractal spectrums of different time scales (t=1, t=5, t=22) have the similar shape. Time scale just affects the width (??) and the fractal dimensions (?f) of the spectrums. With the time scales, the degree of the...
The major obstacle to the wide acceptance of Electric Vehicles (EV) is the lack of a wide spread charging infrastructure. To solve this, the Chinese government has promoted EVs in public transportation. The operational patterns of EV taxis should be different from Internal Combustion Engine Vehicles (ICEV) taxis: EVs can only travel a limited distance due to the limited capacity of the batteries and...
Developing low-carbon economy is a consensus of all governments in the world, and low-carbon economy has been one of the emerging research focuses also. Logistics has special position in low-carbon economy. The most basic work of researching low-carbon logistics is to measure the carbon emission and low-carbon degree of logistics in quantity. So, the paper introduces the concept and analysis method...
The effects of influent substrate concentration load, hydraulic load and total nitrogen load on total nitrogen removal rate were compared in an up-flow ANAMMOX bio-filter reactor. The deep region division and bacterial distribution in the ANAMMOX bio-film were deduced based on the theory of micro-environment and the existence of substrate transfer gradient. In addition, the composition and distribution...
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