|
|
|
|
|
Piotr Lis
Pág. 2 - 6
Dear Readers,I have the pleasure of presenting to you the first issue of our research journal entitled ?Research Papers in Economics and Finance? (REF), published by the Faculty of Economics at Poznan University of Economics and Business. Caring about th...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xuyuan Zhang, Yingqing Guo, Haoran Luo, Tao Liu and Yijun Bao
The rapid identification of the amount and characteristics of chemical oxygen demand (COD) in influent water is critical to the operation of wastewater treatment plants (WWTPs), especially for WWTPs in the face of influent water with a low carbon/nitroge...
ver más
|
|
|
|
|
|
|
|
|
|
|
Adam Szabo, Daniel Karoly Doba, Szilard Aradi and Peter Kiss
The number of highly automated machines in the agricultural sector has increased rapidly in recent years. To reduce their fuel consumption, and thus their emission and operational cost, the performance of such machines must be optimized. The running gear...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wojciech Frydlewicz, Lukasz Michalec, Pawel Kostyla, Dominika Kaczorowska and Tomasz Sikorski
In normal operating conditions, the mains voltage level provided by low-voltage distribution networks follows time-varying patterns within permissible limits. The statistical characterisation of disturbances inserted into the power grid by nonlinear elec...
ver más
|
|
|
|
|
|
|
|
|
|
|
Seda Sahin and Ayse Torun
This study was primarily conducted to investigate the potential use of pumpkin seed oil in biodiesel production. Initially, the fatty acid composition of oils extracted from discarded pumpkin seeds was determined. Then, biodiesel produced from discarded ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Diogo da Fonseca-Soares, Sayonara Andrade Eliziário, Josicleda Domiciano Galvincio and Angel Fermin Ramos-Ridao
Rail transportation plays a crucial role in reducing carbon emissions from the transportation system, making a significant contribution to environmental impact mitigation due to the efficiency of passenger and freight rail transportation. Accurate assess...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yuanyuan Xiang, Ruiyin Cheng, Mingyu Wang and Yimin Ding
The synchronicity of rain and heat in the summer of China?s monsoon region provides sufficient water and heat resources for maize growth. However, the intra-annual distribution of precipitation and the probability of extreme precipitation have been inevi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sergios Villette, Dimitris Adam, Alexios Alexiou, Nikolaos Aretakis and Konstantinos Mathioudakis
In a time when low emission solutions and technologies are of utmost importance regarding the sustainability of the aviation sector, this publication introduces a reduced-order physics-based model for combustion chambers of aeroengines, which is capable ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Haiying Tang, Yao Huang, Jiaxin Yuan, Muhammad Umair Hassan, Ning Liu and Binjuan Yang
In response to the limitations of traditional double rice cropping models, this study constructed five typical rice planting models in the middle reaches of the Yangtze River, namely ?Chinese milk vetch-early rice-late rice (CK/CRR), Chinese milk vetch?e...
ver más
|
|
|
|
|
|