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Katarzyna Schmidt
Pág. 7 - 16
Central bank decisions have an impact on the whole economy. Increasing or lowering interest rates as part of a specific policy determines not only changes in macroeconomic aggregates or decisions of financial entities, such as banks, but also has a ...
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Rosario Jiménez-Espinosa, Pilar Hernández-Puentes and Juan Jiménez-Millán
A hydrochemical and mineral study of groundwaters and damaged rocks from the Tíscar and Larva fault zones (Betic Cordillera, Iberian Peninsula) was carried out in order to (a) describe the physical and chemical properties of the groundwaters; (b) recogni...
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Zhu Li, Chengen Qi, Rui Gao, Bin Yu, Yiran Zhu, Hong Zhang and Jingyu Zhang
Fracturing hard roofs by ground hydraulic action is an important control technology for the strong mine pressure in the stope. In this paper, a new simulation method, ?separate + interface,? is proposed, and two physical simulation experiments are conduc...
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Chuanzhe Gao, Shidang Li, Mingsheng Wei, Siyi Duan and Jinsong Xu
With the rapid development of wireless communication networks and Internet of Things technology (IoT), higher requirements have been put forward for spectrum resource utilization and system performance. In order to further improve the utilization of spec...
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Jun Dong, Qingqing Chen, Guangxiang Yuan and Kaiyan Xie
In large-scale water conservancy and hydropower projects, complex rock structures are considered to be the main factor controlling the stability of hydraulic structures. The classification of rock mass structure plays an important role in the safety of a...
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Ming Yan, Zheren Zhang and Zheng Xu
The calculation of the main circuit parameters is the basic part of the engineering design for high voltage direct current (HVDC) transmission systems. Compared to the conventional line commutated converter (LCC), the application of the capacitor commuta...
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Pyounghwa Kim, Whi Seok Han, Jeong Hun Kim, Jeonghwa Lee, Young Jong Kang and Seungjun Kim
High-voltage transmission towers consist of structures that are designed to avoid the risk of electric shock and prevent the risk of collapse. Hence, for efficiency, they are generally designed as high-rise towers. The main tower posts are the primary st...
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Haoran Song and Yingna Li
Transmission lines have the characteristics of being tall tower structures with a large span distribution of transmission lines that are sensitive to external loads such as wind and ice, and belong to strong, nonlinear, complex, rigid-flexible coupling s...
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Astrid Schilmann, Andrés Sánchez-Pájaro, Marbella T. Ovilla-Muñoz, Juan Téllez-Sosa, Sugey Bravo-Romero, Sara Yuvisela Bahena-Reyes, Margarita Lobato, Jesús Martínez-Barnetche, Celia Mercedes Alpuche-Aranda, Héctor Lamadrid-Figueroa and Tonatiuh Barrientos-Gutiérrez
We aimed to estimate the lead time and infection prevalence from SARS-CoV-2 wastewater (WW) monitoring compared with clinical surveillance data in Mexico to generate evidence about the feasibility of a large-scale WW surveillance system. We selected 10 W...
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Xiaoyan Guan, Ying Tang, Baojiang Dong, Guochao Li, Yanling Fu and Chongshun Tian
As the main components of mechanical products and important transmission components of mechanical motion, shaft workpieces (SW) need to undergo high-speed motion while also withstanding high torque motion, which has high processing requirements. At the s...
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