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Stoicea Paula, Tudor Valentina Constan?a, Stoian Elena, Micu Marius Mihai, Soare Elena and Militaru Dan Ciprian
The objective of the analysis is to quantify the impact of subsidies on the activity of two large farms of 600 ha and 3000 ha, respectively. The innovative solution from this analysis is to create a model that can be used at the macroeconomic level, show...
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Jiaoqun Li, Tong Wu, Zengxiang Lu and Saisai Wu
Conducting technical and economic evaluations is important for mining investment and mining operation decision-making. Traditional economic evaluation methods rarely address the issue of evaluation reliability and usually require complex calculations to ...
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Jhonny Alejandro Poveda-Giraldo and Carlos Ariel Cardona Alzate
In the last decade, pretreatment has been considered the core stage in the design of biorefineries. Different schemes could be proposed depending on the design objective, either pretreatments for the feedstock fractionation or pretreatments to obtain a p...
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Mikhail A. Ershov, Nikita A. Klimov, Vsevolod D. Savelenko, Ulyana A. Makhova, Nikita O. Burov, Egor V. Karpunin-Ozherovskiy, David R. Aleksanyan, Elena S. Donskaya, Daria Y. Mukhina, Vladimir M. Kapustin, Kirill A. Ovchinnikov, Ekaterina V. Podlesnova and Andrey V. Kleymenov
Aviation gasoline is a fuel for spark-ignition piston internal combustion engines, which are usually used in light aircraft (small aviation and general aviation). This technique is widely used for regional and interregional transportation, for the initia...
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Elizabeth Delfín-Portela, Luis Carlos Sandoval-Herazo, David Reyes-González, Humberto Mata-Alejandro, María Cristina López-Méndez, Gregorio Fernández-Lambert and Erick Arturo Betanzo-Torres
Tilapia farming is the predominant aquaculture activity, with 4623 aquaculture farms in Mexico alone. It is relevant to apply technological alternatives to mitigate production costs, mainly those associated with supporting energy savings for aeration and...
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Alexandra Sintori, Vasilia Konstantidelli, Penelope Gouta and Irene Tzouramani
Olive groves are an important element of the Mediterranean landscape and heritage and contribute significantly to the area?s rural economies. The primary interest of researchers and policymakers lies in the economic performance of this activity, especial...
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Andrei A. Efremov, Yuri N. Sotskov and Yulia S. Belotzkaya
This article presents a realized application of a model and algorithm to optimize the formation and use of a machine and tractor fleet of an agricultural enterprise in crop farming. The concepts and indicators characterizing the processes of agricultural...
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Aobo Yue and Xupeng Yin
Production efficiency is a critical research topic in the field of construction economics and management. It reflects the developmental potential and competitiveness of the economy or an economic system. An objective and reasonable assessment framework o...
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G. Zh. Moldabayeva, G. M. Efendiyev, A. L. Kozlovskiy, N. S. Buktukov and S. V. Abbasova
This article is devoted to the construction and statistical analysis of models that express the relationship between performance indicators and a large number of geological and technological factors. The volume of additionally produced oil, the volume of...
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Vladimir Ulansky and Ahmed Raza
Maintenance is an essential part of long-term overall equipment effectiveness. Therefore, it is essential to evaluate maintenance policies? effectiveness in addition to planning them. This study provides a classification of technical systems for selectin...
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