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Feng Cheng, Shuchun Jia and Wei Gao
In order to tackle the issue of carbon emissions in logistics and distribution, a vehicle routing model was proposed with the aim of minimizing the overall cost, which includes the vehicle?s fixed cost, transportation costs, and carbon emission costs. An...
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Gricelda Herrera-Franco, Lady Bravo-Montero, Jhon Caicedo-Potosí and Paúl Carrión-Mero
The excessive use of energy from fossil fuels, which corresponds to population, industrialisation, and unsustainable economic growth, is the cause of carbon dioxide production and climate change. The Water?Energy?Food (WEF) nexus is an applicable concept...
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Kiho Nishihara, Kei-ichi Okuyama, Rafael Rodriguez and Isai Fajardo
In this study, we focus on 3D-printed PEEK/CFRTP (Carbon-Fiber-Reinforced Thermoplastic) and PEEK (Polyether Ether Ketone) materials as new space materials. In space, there are intense ultraviolet (UV) rays that are weakened by the atmosphere on Earth, s...
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Jifei Ye, Sibo Wang, Hao Chang, Yanji Hong, Nanlei Li, Weijing Zhou, Baoyu Xing, Bangdeng Du and Chengyin Xie
Laser micro-thrust technology is a type of propulsion that uses a laser beam to ablate a propellant such as a metal or plastic. The ablated material is expelled out the back of the spacecraft, generating thrust. The technology has the advantages of high ...
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Yuyang Liu, Bo Feng and Yu Yao
With the intensification of water pollution problems worldwide, constructed wetlands, as a green, efficient, and energy-saving wastewater treatment technology, have gradually attracted the wide attention of scholars at home and abroad. In order to better...
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